Merge pull request #26630 from peppy/s-rank-change

Change S rank to require no miss
Merge pull request #26674 from peppy/use-better-enumerator
2026-05-18 17:30:00 +08:00 · 2024-01-24 13:27:40 +09:00 · 2024-01-23 16:31:17 +01:00 · 2024-01-23 16:17:34 +01:00 · 2024-01-23 12:59:36 +01:00 · 2024-01-23 12:53:16 +01:00
525 changed files with 12240 additions and 3683 deletions
@@ -11,6 +11,10 @@ body:
        - Current open `priority:0` issues, filterable [here](https://github.com/ppy/osu/issues?q=is%3Aissue+is%3Aopen+sort%3Aupdated-desc+label%3Apriority%3A0).
        - And most importantly, search for your issue both in the [issue listing](https://github.com/ppy/osu/issues) and the [Q&A discussion listing](https://github.com/ppy/osu/discussions/categories/q-a). If you find that it already exists, respond with a reaction or add any further information that may be helpful.

+        # ATTENTION LINUX USERS
+
+        If you are having an issue and it is hardware related, **please open a [q&a discussion](https://github.com/ppy/osu/discussions/categories/q-a)** instead of an issue. There's a high chance your issue is due to your system configuration, and not our software.
+
  - type: dropdown
    attributes:
      label: Type
@@ -38,7 +42,7 @@ body:
  - type: input
    attributes:
      label: Version
-      description: The version you encountered this bug on. This is shown at the bottom of the main menu and also at the end of the settings screen.
+      description: The version you encountered this bug on. This is shown at the end of the settings overlay.
    validations:
      required: true
  - type: markdown
@@ -46,22 +50,16 @@ body:
      value: |
        ## Logs

-        Attaching log files is required for every reported bug. See instructions below on how to find them.
-
-        **Logs are reset when you reopen the game.** If the game crashed or has been closed since you found the bug, retrieve the logs using the file explorer instead.
+        Attaching log files is required for **every** issue, regardless of whether you deem them required or not. See instructions below on how to find them.

        ### Desktop platforms

        If the game has not yet been closed since you found the bug:
-          1. Head on to game settings and click on "Open osu! folder"
-          2. Then open the `logs` folder located there
+          1. Head on to game settings and click on "Export logs"
+          2. Click the notification to locate the file
+          3. Drag the generated `.zip` files into the github issue window

-        The default places to find the logs on desktop platforms are as follows:
-          - `%AppData%/osu/logs` *on Windows*
-          - `~/.local/share/osu/logs` *on Linux*
-          - `~/Library/Application Support/osu/logs` *on macOS*
-
-        If you have selected a custom location for the game files, you can find the `logs` folder there.
+        ![export logs button](https://github.com/ppy/osu/assets/191335/cbfa5550-b7ed-4c5c-8dd0-8b87cc90ad9b)

        ### Mobile platforms

@@ -69,10 +67,6 @@ body:
          - *On Android*, navigate to `Android/data/sh.ppy.osulazer/files/logs` using a file browser app.
          - *On iOS*, connect your device to a PC and copy the `logs` directory from the app's document storage using iTunes. (https://support.apple.com/en-us/HT201301#copy-to-computer)

-        ---
-
-        After locating the `logs` folder, select all log files inside and drag them into the "Logs" box below.
-
  - type: textarea
    attributes:
      label: Logs
@@ -13,7 +13,7 @@ namespace osu.Game.Rulesets.EmptyFreeform.Tests
        [STAThread]
        public static int Main(string[] args)
        {
-            using (DesktopGameHost host = Host.GetSuitableDesktopHost(@"osu", new HostOptions { BindIPC = true }))
+            using (DesktopGameHost host = Host.GetSuitableDesktopHost(@"osu"))
            {
                host.Run(new OsuTestBrowser());
                return 0;
@@ -10,7 +10,7 @@
    </PropertyGroup>
  <ItemGroup Label="Package References">
    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.2" />
-    <PackageReference Include="NUnit" Version="3.13.3" />
+    <PackageReference Include="NUnit" Version="3.14.0" />
    <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
  </ItemGroup>
  <ItemGroup>
@@ -13,7 +13,7 @@ namespace osu.Game.Rulesets.Pippidon.Tests
        [STAThread]
        public static int Main(string[] args)
        {
-            using (DesktopGameHost host = Host.GetSuitableDesktopHost(@"osu", new HostOptions { BindIPC = true }))
+            using (DesktopGameHost host = Host.GetSuitableDesktopHost(@"osu"))
            {
                host.Run(new OsuTestBrowser());
                return 0;
@@ -10,7 +10,7 @@
  </PropertyGroup>
  <ItemGroup Label="Package References">
    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.2" />
-    <PackageReference Include="NUnit" Version="3.13.3" />
+    <PackageReference Include="NUnit" Version="3.14.0" />
    <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
  </ItemGroup>
  <ItemGroup>
@@ -13,7 +13,7 @@ namespace osu.Game.Rulesets.EmptyScrolling.Tests
        [STAThread]
        public static int Main(string[] args)
        {
-            using (DesktopGameHost host = Host.GetSuitableDesktopHost(@"osu", new HostOptions { BindIPC = true }))
+            using (DesktopGameHost host = Host.GetSuitableDesktopHost(@"osu"))
            {
                host.Run(new OsuTestBrowser());
                return 0;
@@ -10,7 +10,7 @@
  </PropertyGroup>
  <ItemGroup Label="Package References">
    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.2" />
-    <PackageReference Include="NUnit" Version="3.13.3" />
+    <PackageReference Include="NUnit" Version="3.14.0" />
    <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
  </ItemGroup>
  <ItemGroup>
@@ -13,7 +13,7 @@ namespace osu.Game.Rulesets.Pippidon.Tests
        [STAThread]
        public static int Main(string[] args)
        {
-            using (DesktopGameHost host = Host.GetSuitableDesktopHost(@"osu", new HostOptions { BindIPC = true }))
+            using (DesktopGameHost host = Host.GetSuitableDesktopHost(@"osu"))
            {
                host.Run(new OsuTestBrowser());
                return 0;
@@ -10,7 +10,7 @@
  </PropertyGroup>
  <ItemGroup Label="Package References">
    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.2" />
-    <PackageReference Include="NUnit" Version="3.13.3" />
+    <PackageReference Include="NUnit" Version="3.14.0" />
    <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
  </ItemGroup>
  <ItemGroup>
@@ -10,7 +10,7 @@
    <EmbedAssembliesIntoApk>true</EmbedAssembliesIntoApk>
  </PropertyGroup>
  <ItemGroup>
-    <PackageReference Include="ppy.osu.Framework.Android" Version="2023.1213.0" />
+    <PackageReference Include="ppy.osu.Framework.Android" Version="2024.114.0" />
  </ItemGroup>
  <PropertyGroup>
    <!-- Fody does not handle Android build well, and warns when unchanged.
@@ -16,15 +16,14 @@
      "osu.Game.Tournament.Tests\\osu.Game.Tournament.Tests.csproj",
      "osu.Game.Tournament\\osu.Game.Tournament.csproj",
      "osu.Game\\osu.Game.csproj",
-
-      "Templates\\Rulesets\\ruleset-empty\\osu.Game.Rulesets.EmptyFreeform\\osu.Game.Rulesets.EmptyFreeform.csproj",
      "Templates\\Rulesets\\ruleset-empty\\osu.Game.Rulesets.EmptyFreeform.Tests\\osu.Game.Rulesets.EmptyFreeform.Tests.csproj",
-      "Templates\\Rulesets\\ruleset-example\\osu.Game.Rulesets.Pippidon\\osu.Game.Rulesets.Pippidon.csproj",
+      "Templates\\Rulesets\\ruleset-empty\\osu.Game.Rulesets.EmptyFreeform\\osu.Game.Rulesets.EmptyFreeform.csproj",
      "Templates\\Rulesets\\ruleset-example\\osu.Game.Rulesets.Pippidon.Tests\\osu.Game.Rulesets.Pippidon.Tests.csproj",
-      "Templates\\Rulesets\\ruleset-scrolling-empty\\osu.Game.Rulesets.EmptyScrolling\\osu.Game.Rulesets.EmptyScrolling.csproj",
+      "Templates\\Rulesets\\ruleset-example\\osu.Game.Rulesets.Pippidon\\osu.Game.Rulesets.Pippidon.csproj",
      "Templates\\Rulesets\\ruleset-scrolling-empty\\osu.Game.Rulesets.EmptyScrolling.Tests\\osu.Game.Rulesets.EmptyScrolling.Tests.csproj",
-      "Templates\\Rulesets\\ruleset-scrolling-example\\osu.Game.Rulesets.Pippidon\\osu.Game.Rulesets.Pippidon.csproj",
-      "Templates\\Rulesets\\ruleset-scrolling-example\\osu.Game.Rulesets.Pippidon.Tests\\osu.Game.Rulesets.Pippidon.Tests.csproj"
+      "Templates\\Rulesets\\ruleset-scrolling-empty\\osu.Game.Rulesets.EmptyScrolling\\osu.Game.Rulesets.EmptyScrolling.csproj",
+      "Templates\\Rulesets\\ruleset-scrolling-example\\osu.Game.Rulesets.Pippidon.Tests\\osu.Game.Rulesets.Pippidon.Tests.csproj",
+      "Templates\\Rulesets\\ruleset-scrolling-example\\osu.Game.Rulesets.Pippidon\\osu.Game.Rulesets.Pippidon.csproj"
    ]
  }
-}
+}
@@ -0,0 +1,739 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+#nullable disable
+
+#pragma warning disable IDE1006 // Naming rule violation
+
+using System;
+using System.Diagnostics.CodeAnalysis;
+using System.Runtime.InteropServices;
+using osu.Framework.Logging;
+
+namespace osu.Desktop
+{
+    [SuppressMessage("ReSharper", "InconsistentNaming")]
+    internal static class NVAPI
+    {
+        private const string osu_filename = "osu!.exe";
+
+        // This is a good reference:
+        // https://github.com/errollw/Warp-and-Blend-Quadros/blob/master/WarpBlend-Quadros/UnwarpAll-Quadros/include/nvapi.h
+        // Note our Stride == their VERSION (e.g. NVDRS_SETTING_VER)
+
+        public const int MAX_PHYSICAL_GPUS = 64;
+        public const int UNICODE_STRING_MAX = 2048;
+
+        public const string APPLICATION_NAME = @"osu!";
+        public const string PROFILE_NAME = @"osu!";
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        public delegate NvStatus EnumPhysicalGPUsDelegate([Out] IntPtr[] gpuHandles, out int gpuCount);
+
+        public static readonly EnumPhysicalGPUsDelegate EnumPhysicalGPUs;
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        public delegate NvStatus EnumLogicalGPUsDelegate([Out] IntPtr[] gpuHandles, out int gpuCount);
+
+        public static readonly EnumLogicalGPUsDelegate EnumLogicalGPUs;
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        public delegate NvStatus GetSystemTypeDelegate(IntPtr gpuHandle, out NvSystemType systemType);
+
+        public static readonly GetSystemTypeDelegate GetSystemType;
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        public delegate NvStatus GetGPUTypeDelegate(IntPtr gpuHandle, out NvGpuType gpuType);
+
+        public static readonly GetGPUTypeDelegate GetGPUType;
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        public delegate NvStatus CreateSessionDelegate(out IntPtr sessionHandle);
+
+        public static CreateSessionDelegate CreateSession;
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        public delegate NvStatus LoadSettingsDelegate(IntPtr sessionHandle);
+
+        public static LoadSettingsDelegate LoadSettings;
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        public delegate NvStatus FindApplicationByNameDelegate(IntPtr sessionHandle, [MarshalAs(UnmanagedType.BStr)] string appName, out IntPtr profileHandle, ref NvApplication application);
+
+        public static FindApplicationByNameDelegate FindApplicationByName;
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        public delegate NvStatus GetCurrentGlobalProfileDelegate(IntPtr sessionHandle, out IntPtr profileHandle);
+
+        public static GetCurrentGlobalProfileDelegate GetCurrentGlobalProfile;
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        public delegate NvStatus GetProfileInfoDelegate(IntPtr sessionHandle, IntPtr profileHandle, ref NvProfile profile);
+
+        public static GetProfileInfoDelegate GetProfileInfo;
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        public delegate NvStatus GetSettingDelegate(IntPtr sessionHandle, IntPtr profileHandle, NvSettingID settingID, ref NvSetting setting);
+
+        public static GetSettingDelegate GetSetting;
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        private delegate NvStatus CreateProfileDelegate(IntPtr sessionHandle, ref NvProfile profile, out IntPtr profileHandle);
+
+        private static readonly CreateProfileDelegate CreateProfile;
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        private delegate NvStatus SetSettingDelegate(IntPtr sessionHandle, IntPtr profileHandle, ref NvSetting setting);
+
+        private static readonly SetSettingDelegate SetSetting;
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        private delegate NvStatus EnumApplicationsDelegate(IntPtr sessionHandle, IntPtr profileHandle, uint startIndex, ref uint appCount, [In, Out, MarshalAs(UnmanagedType.LPArray)] NvApplication[] applications);
+
+        private static readonly EnumApplicationsDelegate EnumApplications;
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        private delegate NvStatus CreateApplicationDelegate(IntPtr sessionHandle, IntPtr profileHandle, ref NvApplication application);
+
+        private static readonly CreateApplicationDelegate CreateApplication;
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        private delegate NvStatus SaveSettingsDelegate(IntPtr sessionHandle);
+
+        private static readonly SaveSettingsDelegate SaveSettings;
+
+        public static NvStatus Status { get; private set; } = NvStatus.OK;
+        public static bool Available { get; private set; }
+
+        private static IntPtr sessionHandle;
+
+        public static bool IsUsingOptimusDedicatedGpu
+        {
+            get
+            {
+                if (!Available)
+                    return false;
+
+                if (!IsLaptop)
+                    return false;
+
+                IntPtr profileHandle;
+                if (!getProfile(out profileHandle, out _, out bool _))
+                    return false;
+
+                // Get the optimus setting
+                NvSetting setting;
+                if (!getSetting(NvSettingID.SHIM_RENDERING_MODE_ID, profileHandle, out setting))
+                    return false;
+
+                return (setting.U32CurrentValue & (uint)NvShimSetting.SHIM_RENDERING_MODE_ENABLE) > 0;
+            }
+        }
+
+        public static bool IsLaptop
+        {
+            get
+            {
+                if (!Available)
+                    return false;
+
+                // Make sure that this is a laptop.
+                var gpus = new IntPtr[64];
+                if (checkError(EnumPhysicalGPUs(gpus, out int gpuCount)))
+                    return false;
+
+                for (int i = 0; i < gpuCount; i++)
+                {
+                    if (checkError(GetSystemType(gpus[i], out var type)))
+                        return false;
+
+                    if (type == NvSystemType.LAPTOP)
+                        return true;
+                }
+
+                return false;
+            }
+        }
+
+        public static NvThreadControlSetting ThreadedOptimisations
+        {
+            get
+            {
+                if (!Available)
+                    return NvThreadControlSetting.OGL_THREAD_CONTROL_DEFAULT;
+
+                IntPtr profileHandle;
+                if (!getProfile(out profileHandle, out _, out bool _))
+                    return NvThreadControlSetting.OGL_THREAD_CONTROL_DEFAULT;
+
+                // Get the threaded optimisations setting
+                NvSetting setting;
+                if (!getSetting(NvSettingID.OGL_THREAD_CONTROL_ID, profileHandle, out setting))
+                    return NvThreadControlSetting.OGL_THREAD_CONTROL_DEFAULT;
+
+                return (NvThreadControlSetting)setting.U32CurrentValue;
+            }
+            set
+            {
+                if (!Available)
+                    return;
+
+                bool success = setSetting(NvSettingID.OGL_THREAD_CONTROL_ID, (uint)value);
+
+                Logger.Log(success ? $"Threaded optimizations set to \"{value}\"!" : "Threaded optimizations set failed!");
+            }
+        }
+
+        /// <summary>
+        /// Checks if the profile contains the current application.
+        /// </summary>
+        /// <returns>If the profile contains the current application.</returns>
+        private static bool containsApplication(IntPtr profileHandle, NvProfile profile, out NvApplication application)
+        {
+            application = new NvApplication
+            {
+                Version = NvApplication.Stride
+            };
+
+            if (profile.NumOfApps == 0)
+                return false;
+
+            NvApplication[] applications = new NvApplication[profile.NumOfApps];
+            applications[0].Version = NvApplication.Stride;
+
+            uint numApps = profile.NumOfApps;
+
+            if (checkError(EnumApplications(sessionHandle, profileHandle, 0, ref numApps, applications)))
+                return false;
+
+            for (uint i = 0; i < numApps; i++)
+            {
+                if (applications[i].AppName == osu_filename)
+                {
+                    application = applications[i];
+                    return true;
+                }
+            }
+
+            return false;
+        }
+
+        /// <summary>
+        /// Retrieves the profile of the current application.
+        /// </summary>
+        /// <param name="profileHandle">The profile handle.</param>
+        /// <param name="application">The current application description.</param>
+        /// <param name="isApplicationSpecific">If this profile is not a global (default) profile.</param>
+        /// <returns>If the operation succeeded.</returns>
+        private static bool getProfile(out IntPtr profileHandle, out NvApplication application, out bool isApplicationSpecific)
+        {
+            application = new NvApplication
+            {
+                Version = NvApplication.Stride
+            };
+
+            isApplicationSpecific = true;
+
+            if (checkError(FindApplicationByName(sessionHandle, osu_filename, out profileHandle, ref application)))
+            {
+                isApplicationSpecific = false;
+                if (checkError(GetCurrentGlobalProfile(sessionHandle, out profileHandle)))
+                    return false;
+            }
+
+            return true;
+        }
+
+        /// <summary>
+        /// Creates a profile.
+        /// </summary>
+        /// <param name="profileHandle">The profile handle.</param>
+        /// <returns>If the operation succeeded.</returns>
+        private static bool createProfile(out IntPtr profileHandle)
+        {
+            NvProfile newProfile = new NvProfile
+            {
+                Version = NvProfile.Stride,
+                IsPredefined = 0,
+                ProfileName = PROFILE_NAME,
+                GPUSupport = new uint[32]
+            };
+
+            newProfile.GPUSupport[0] = 1;
+
+            if (checkError(CreateProfile(sessionHandle, ref newProfile, out profileHandle)))
+                return false;
+
+            return true;
+        }
+
+        /// <summary>
+        /// Retrieves a setting from the profile.
+        /// </summary>
+        /// <param name="settingId">The setting to retrieve.</param>
+        /// <param name="profileHandle">The profile handle to retrieve the setting from.</param>
+        /// <param name="setting">The setting.</param>
+        /// <returns>If the operation succeeded.</returns>
+        private static bool getSetting(NvSettingID settingId, IntPtr profileHandle, out NvSetting setting)
+        {
+            setting = new NvSetting
+            {
+                Version = NvSetting.Stride,
+                SettingID = settingId
+            };
+
+            if (checkError(GetSetting(sessionHandle, profileHandle, settingId, ref setting)))
+                return false;
+
+            return true;
+        }
+
+        private static bool setSetting(NvSettingID settingId, uint settingValue)
+        {
+            NvApplication application;
+            IntPtr profileHandle;
+            bool isApplicationSpecific;
+            if (!getProfile(out profileHandle, out application, out isApplicationSpecific))
+                return false;
+
+            if (!isApplicationSpecific)
+            {
+                // We don't want to interfere with the user's other settings, so let's create a separate config for osu!
+                if (!createProfile(out profileHandle))
+                    return false;
+            }
+
+            NvSetting newSetting = new NvSetting
+            {
+                Version = NvSetting.Stride,
+                SettingID = settingId,
+                U32CurrentValue = settingValue
+            };
+
+            // Set the thread state
+            if (checkError(SetSetting(sessionHandle, profileHandle, ref newSetting)))
+                return false;
+
+            // Get the profile (needed to check app count)
+            NvProfile profile = new NvProfile
+            {
+                Version = NvProfile.Stride
+            };
+            if (checkError(GetProfileInfo(sessionHandle, profileHandle, ref profile)))
+                return false;
+
+            if (!containsApplication(profileHandle, profile, out application))
+            {
+                // Need to add the current application to the profile
+                application.IsPredefined = 0;
+
+                application.AppName = osu_filename;
+                application.UserFriendlyName = APPLICATION_NAME;
+
+                if (checkError(CreateApplication(sessionHandle, profileHandle, ref application)))
+                    return false;
+            }
+
+            // Save!
+            return !checkError(SaveSettings(sessionHandle));
+        }
+
+        /// <summary>
+        /// Creates a session to access the driver configuration.
+        /// </summary>
+        /// <returns>If the operation succeeded.</returns>
+        private static bool createSession()
+        {
+            if (checkError(CreateSession(out sessionHandle)))
+                return false;
+
+            // Load settings into session
+            if (checkError(LoadSettings(sessionHandle)))
+                return false;
+
+            return true;
+        }
+
+        private static bool checkError(NvStatus status)
+        {
+            Status = status;
+            return status != NvStatus.OK;
+        }
+
+        static NVAPI()
+        {
+            // TODO: check whether gpu vendor contains NVIDIA before attempting load?
+
+            try
+            {
+                // Try to load NVAPI
+                if ((IntPtr.Size == 4 && loadLibrary(@"nvapi.dll") == IntPtr.Zero)
+                    || (IntPtr.Size == 8 && loadLibrary(@"nvapi64.dll") == IntPtr.Zero))
+                {
+                    return;
+                }
+
+                InitializeDelegate initialize;
+                getDelegate(0x0150E828, out initialize);
+
+                if (initialize?.Invoke() == NvStatus.OK)
+                {
+                    // IDs can be found here: https://github.com/jNizM/AHK_NVIDIA_NvAPI/blob/master/info/NvAPI_IDs.txt
+
+                    getDelegate(0xE5AC921F, out EnumPhysicalGPUs);
+                    getDelegate(0x48B3EA59, out EnumLogicalGPUs);
+                    getDelegate(0xBAAABFCC, out GetSystemType);
+                    getDelegate(0xC33BAEB1, out GetGPUType);
+                    getDelegate(0x0694D52E, out CreateSession);
+                    getDelegate(0x375DBD6B, out LoadSettings);
+                    getDelegate(0xEEE566B2, out FindApplicationByName);
+                    getDelegate(0x617BFF9F, out GetCurrentGlobalProfile);
+                    getDelegate(0x577DD202, out SetSetting);
+                    getDelegate(0x61CD6FD6, out GetProfileInfo);
+                    getDelegate(0x73BF8338, out GetSetting);
+                    getDelegate(0xCC176068, out CreateProfile);
+                    getDelegate(0x7FA2173A, out EnumApplications);
+                    getDelegate(0x4347A9DE, out CreateApplication);
+                    getDelegate(0xFCBC7E14, out SaveSettings);
+                }
+
+                if (createSession())
+                    Available = true;
+            }
+            catch { }
+        }
+
+        private static void getDelegate<T>(uint id, out T newDelegate) where T : class
+        {
+            IntPtr ptr = IntPtr.Size == 4 ? queryInterface32(id) : queryInterface64(id);
+            newDelegate = ptr == IntPtr.Zero ? null : Marshal.GetDelegateForFunctionPointer(ptr, typeof(T)) as T;
+        }
+
+        [DllImport("kernel32.dll", EntryPoint = "LoadLibrary")]
+        private static extern IntPtr loadLibrary(string dllToLoad);
+
+        [DllImport(@"nvapi.dll", EntryPoint = "nvapi_QueryInterface", CallingConvention = CallingConvention.Cdecl)]
+        private static extern IntPtr queryInterface32(uint id);
+
+        [DllImport(@"nvapi64.dll", EntryPoint = "nvapi_QueryInterface", CallingConvention = CallingConvention.Cdecl)]
+        private static extern IntPtr queryInterface64(uint id);
+
+        private delegate NvStatus InitializeDelegate();
+    }
+
+    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
+    internal struct NvSetting
+    {
+        public uint Version;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NVAPI.UNICODE_STRING_MAX)]
+        public string SettingName;
+
+        public NvSettingID SettingID;
+        public uint SettingType;
+        public uint SettingLocation;
+        public uint IsCurrentPredefined;
+        public uint IsPredefinedValid;
+
+        public uint U32PredefinedValue;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NVAPI.UNICODE_STRING_MAX)]
+        public string StringPredefinedValue;
+
+        public uint U32CurrentValue;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NVAPI.UNICODE_STRING_MAX)]
+        public string StringCurrentValue;
+
+        public static uint Stride => (uint)Marshal.SizeOf(typeof(NvSetting)) | (1 << 16);
+    }
+
+    [StructLayout(LayoutKind.Sequential, Pack = 8, CharSet = CharSet.Unicode)]
+    internal struct NvProfile
+    {
+        public uint Version;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NVAPI.UNICODE_STRING_MAX)]
+        public string ProfileName;
+
+        [MarshalAs(UnmanagedType.ByValArray)]
+        public uint[] GPUSupport;
+
+        public uint IsPredefined;
+        public uint NumOfApps;
+        public uint NumOfSettings;
+
+        public static uint Stride => (uint)Marshal.SizeOf(typeof(NvProfile)) | (1 << 16);
+    }
+
+    [StructLayout(LayoutKind.Sequential, Pack = 8, CharSet = CharSet.Unicode)]
+    internal struct NvApplication
+    {
+        public uint Version;
+        public uint IsPredefined;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NVAPI.UNICODE_STRING_MAX)]
+        public string AppName;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NVAPI.UNICODE_STRING_MAX)]
+        public string UserFriendlyName;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NVAPI.UNICODE_STRING_MAX)]
+        public string Launcher;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NVAPI.UNICODE_STRING_MAX)]
+        public string FileInFolder;
+
+        public static uint Stride => (uint)Marshal.SizeOf(typeof(NvApplication)) | (2 << 16);
+    }
+
+    internal enum NvStatus
+    {
+        OK = 0, // Success. Request is completed.
+        ERROR = -1, // Generic error
+        LIBRARY_NOT_FOUND = -2, // NVAPI support library cannot be loaded.
+        NO_IMPLEMENTATION = -3, // not implemented in current driver installation
+        API_NOT_INITIALIZED = -4, // Initialize has not been called (successfully)
+        INVALID_ARGUMENT = -5, // The argument/parameter value is not valid or NULL.
+        NVIDIA_DEVICE_NOT_FOUND = -6, // No NVIDIA display driver, or NVIDIA GPU driving a display, was found.
+        END_ENUMERATION = -7, // No more items to enumerate
+        INVALID_HANDLE = -8, // Invalid handle
+        INCOMPATIBLE_STRUCT_VERSION = -9, // An argument's structure version is not supported
+        HANDLE_INVALIDATED = -10, // The handle is no longer valid (likely due to GPU or display re-configuration)
+        OPENGL_CONTEXT_NOT_CURRENT = -11, // No NVIDIA OpenGL context is current (but needs to be)
+        INVALID_POINTER = -14, // An invalid pointer, usually NULL, was passed as a parameter
+        NO_GL_EXPERT = -12, // OpenGL Expert is not supported by the current drivers
+        INSTRUMENTATION_DISABLED = -13, // OpenGL Expert is supported, but driver instrumentation is currently disabled
+        NO_GL_NSIGHT = -15, // OpenGL does not support Nsight
+
+        EXPECTED_LOGICAL_GPU_HANDLE = -100, // Expected a logical GPU handle for one or more parameters
+        EXPECTED_PHYSICAL_GPU_HANDLE = -101, // Expected a physical GPU handle for one or more parameters
+        EXPECTED_DISPLAY_HANDLE = -102, // Expected an NV display handle for one or more parameters
+        INVALID_COMBINATION = -103, // The combination of parameters is not valid.
+        NOT_SUPPORTED = -104, // Requested feature is not supported in the selected GPU
+        PORTID_NOT_FOUND = -105, // No port ID was found for the I2C transaction
+        EXPECTED_UNATTACHED_DISPLAY_HANDLE = -106, // Expected an unattached display handle as one of the input parameters.
+        INVALID_PERF_LEVEL = -107, // Invalid perf level
+        DEVICE_BUSY = -108, // Device is busy; request not fulfilled
+        NV_PERSIST_FILE_NOT_FOUND = -109, // NV persist file is not found
+        PERSIST_DATA_NOT_FOUND = -110, // NV persist data is not found
+        EXPECTED_TV_DISPLAY = -111, // Expected a TV output display
+        EXPECTED_TV_DISPLAY_ON_DCONNECTOR = -112, // Expected a TV output on the D Connector - HDTV_EIAJ4120.
+        NO_ACTIVE_SLI_TOPOLOGY = -113, // SLI is not active on this device.
+        SLI_RENDERING_MODE_NOTALLOWED = -114, // Setup of SLI rendering mode is not possible right now.
+        EXPECTED_DIGITAL_FLAT_PANEL = -115, // Expected a digital flat panel.
+        ARGUMENT_EXCEED_MAX_SIZE = -116, // Argument exceeds the expected size.
+        DEVICE_SWITCHING_NOT_ALLOWED = -117, // Inhibit is ON due to one of the flags in NV_GPU_DISPLAY_CHANGE_INHIBIT or SLI active.
+        TESTING_CLOCKS_NOT_SUPPORTED = -118, // Testing of clocks is not supported.
+        UNKNOWN_UNDERSCAN_CONFIG = -119, // The specified underscan config is from an unknown source (e.g. INF)
+        TIMEOUT_RECONFIGURING_GPU_TOPO = -120, // Timeout while reconfiguring GPUs
+        DATA_NOT_FOUND = -121, // Requested data was not found
+        EXPECTED_ANALOG_DISPLAY = -122, // Expected an analog display
+        NO_VIDLINK = -123, // No SLI video bridge is present
+        REQUIRES_REBOOT = -124, // NVAPI requires a reboot for the settings to take effect
+        INVALID_HYBRID_MODE = -125, // The function is not supported with the current Hybrid mode.
+        MIXED_TARGET_TYPES = -126, // The target types are not all the same
+        SYSWOW64_NOT_SUPPORTED = -127, // The function is not supported from 32-bit on a 64-bit system.
+        IMPLICIT_SET_GPU_TOPOLOGY_CHANGE_NOT_ALLOWED = -128, // There is no implicit GPU topology active. Use SetHybridMode to change topology.
+        REQUEST_USER_TO_CLOSE_NON_MIGRATABLE_APPS = -129, // Prompt the user to close all non-migratable applications.
+        OUT_OF_MEMORY = -130, // Could not allocate sufficient memory to complete the call.
+        WAS_STILL_DRAWING = -131, // The previous operation that is transferring information to or from this surface is incomplete.
+        FILE_NOT_FOUND = -132, // The file was not found.
+        TOO_MANY_UNIQUE_STATE_OBJECTS = -133, // There are too many unique instances of a particular type of state object.
+        INVALID_CALL = -134, // The method call is invalid. For example, a method's parameter may not be a valid pointer.
+        D3D10_1_LIBRARY_NOT_FOUND = -135, // d3d10_1.dll cannot be loaded.
+        FUNCTION_NOT_FOUND = -136, // Couldn't find the function in the loaded DLL.
+        INVALID_USER_PRIVILEGE = -137, // Current User is not Admin.
+        EXPECTED_NON_PRIMARY_DISPLAY_HANDLE = -138, // The handle corresponds to GDIPrimary.
+        EXPECTED_COMPUTE_GPU_HANDLE = -139, // Setting Physx GPU requires that the GPU is compute-capable.
+        STEREO_NOT_INITIALIZED = -140, // The Stereo part of NVAPI failed to initialize completely. Check if the stereo driver is installed.
+        STEREO_REGISTRY_ACCESS_FAILED = -141, // Access to stereo-related registry keys or values has failed.
+        STEREO_REGISTRY_PROFILE_TYPE_NOT_SUPPORTED = -142, // The given registry profile type is not supported.
+        STEREO_REGISTRY_VALUE_NOT_SUPPORTED = -143, // The given registry value is not supported.
+        STEREO_NOT_ENABLED = -144, // Stereo is not enabled and the function needed it to execute completely.
+        STEREO_NOT_TURNED_ON = -145, // Stereo is not turned on and the function needed it to execute completely.
+        STEREO_INVALID_DEVICE_INTERFACE = -146, // Invalid device interface.
+        STEREO_PARAMETER_OUT_OF_RANGE = -147, // Separation percentage or JPEG image capture quality is out of [0-100] range.
+        STEREO_FRUSTUM_ADJUST_MODE_NOT_SUPPORTED = -148, // The given frustum adjust mode is not supported.
+        TOPO_NOT_POSSIBLE = -149, // The mosaic topology is not possible given the current state of the hardware.
+        MODE_CHANGE_FAILED = -150, // An attempt to do a display resolution mode change has failed.
+        D3D11_LIBRARY_NOT_FOUND = -151, // d3d11.dll/d3d11_beta.dll cannot be loaded.
+        INVALID_ADDRESS = -152, // Address is outside of valid range.
+        STRING_TOO_SMALL = -153, // The pre-allocated string is too small to hold the result.
+        MATCHING_DEVICE_NOT_FOUND = -154, // The input does not match any of the available devices.
+        DRIVER_RUNNING = -155, // Driver is running.
+        DRIVER_NOTRUNNING = -156, // Driver is not running.
+        ERROR_DRIVER_RELOAD_REQUIRED = -157, // A driver reload is required to apply these settings.
+        SET_NOT_ALLOWED = -158, // Intended setting is not allowed.
+        ADVANCED_DISPLAY_TOPOLOGY_REQUIRED = -159, // Information can't be returned due to "advanced display topology".
+        SETTING_NOT_FOUND = -160, // Setting is not found.
+        SETTING_SIZE_TOO_LARGE = -161, // Setting size is too large.
+        TOO_MANY_SETTINGS_IN_PROFILE = -162, // There are too many settings for a profile.
+        PROFILE_NOT_FOUND = -163, // Profile is not found.
+        PROFILE_NAME_IN_USE = -164, // Profile name is duplicated.
+        PROFILE_NAME_EMPTY = -165, // Profile name is empty.
+        EXECUTABLE_NOT_FOUND = -166, // Application not found in the Profile.
+        EXECUTABLE_ALREADY_IN_USE = -167, // Application already exists in the other profile.
+        DATATYPE_MISMATCH = -168, // Data Type mismatch
+        PROFILE_REMOVED = -169, // The profile passed as parameter has been removed and is no longer valid.
+        UNREGISTERED_RESOURCE = -170, // An unregistered resource was passed as a parameter.
+        ID_OUT_OF_RANGE = -171, // The DisplayId corresponds to a display which is not within the normal outputId range.
+        DISPLAYCONFIG_VALIDATION_FAILED = -172, // Display topology is not valid so the driver cannot do a mode set on this configuration.
+        DPMST_CHANGED = -173, // Display Port Multi-Stream topology has been changed.
+        INSUFFICIENT_BUFFER = -174, // Input buffer is insufficient to hold the contents.
+        ACCESS_DENIED = -175, // No access to the caller.
+        MOSAIC_NOT_ACTIVE = -176, // The requested action cannot be performed without Mosaic being enabled.
+        SHARE_RESOURCE_RELOCATED = -177, // The surface is relocated away from video memory.
+        REQUEST_USER_TO_DISABLE_DWM = -178, // The user should disable DWM before calling NvAPI.
+        D3D_DEVICE_LOST = -179, // D3D device status is D3DERR_DEVICELOST or D3DERR_DEVICENOTRESET - the user has to reset the device.
+        INVALID_CONFIGURATION = -180, // The requested action cannot be performed in the current state.
+        STEREO_HANDSHAKE_NOT_DONE = -181, // Call failed as stereo handshake not completed.
+        EXECUTABLE_PATH_IS_AMBIGUOUS = -182, // The path provided was too short to determine the correct NVDRS_APPLICATION
+        DEFAULT_STEREO_PROFILE_IS_NOT_DEFINED = -183, // Default stereo profile is not currently defined
+        DEFAULT_STEREO_PROFILE_DOES_NOT_EXIST = -184, // Default stereo profile does not exist
+        CLUSTER_ALREADY_EXISTS = -185, // A cluster is already defined with the given configuration.
+        DPMST_DISPLAY_ID_EXPECTED = -186, // The input display id is not that of a multi stream enabled connector or a display device in a multi stream topology
+        INVALID_DISPLAY_ID = -187, // The input display id is not valid or the monitor associated to it does not support the current operation
+        STREAM_IS_OUT_OF_SYNC = -188, // While playing secure audio stream, stream goes out of sync
+        INCOMPATIBLE_AUDIO_DRIVER = -189, // Older audio driver version than required
+        VALUE_ALREADY_SET = -190, // Value already set, setting again not allowed.
+        TIMEOUT = -191, // Requested operation timed out
+        GPU_WORKSTATION_FEATURE_INCOMPLETE = -192, // The requested workstation feature set has incomplete driver internal allocation resources
+        STEREO_INIT_ACTIVATION_NOT_DONE = -193, // Call failed because InitActivation was not called.
+        SYNC_NOT_ACTIVE = -194, // The requested action cannot be performed without Sync being enabled.
+        SYNC_MASTER_NOT_FOUND = -195, // The requested action cannot be performed without Sync Master being enabled.
+        INVALID_SYNC_TOPOLOGY = -196, // Invalid displays passed in the NV_GSYNC_DISPLAY pointer.
+        ECID_SIGN_ALGO_UNSUPPORTED = -197, // The specified signing algorithm is not supported. Either an incorrect value was entered or the current installed driver/hardware does not support the input value.
+        ECID_KEY_VERIFICATION_FAILED = -198, // The encrypted public key verification has failed.
+        FIRMWARE_OUT_OF_DATE = -199, // The device's firmware is out of date.
+        FIRMWARE_REVISION_NOT_SUPPORTED = -200, // The device's firmware is not supported.
+    }
+
+    internal enum NvSystemType
+    {
+        UNKNOWN = 0,
+        LAPTOP = 1,
+        DESKTOP = 2
+    }
+
+    internal enum NvGpuType
+    {
+        UNKNOWN = 0,
+        IGPU = 1, // Integrated
+        DGPU = 2, // Discrete
+    }
+
+    internal enum NvSettingID : uint
+    {
+        OGL_AA_LINE_GAMMA_ID = 0x2089BF6C,
+        OGL_DEEP_COLOR_SCANOUT_ID = 0x2097C2F6,
+        OGL_DEFAULT_SWAP_INTERVAL_ID = 0x206A6582,
+        OGL_DEFAULT_SWAP_INTERVAL_FRACTIONAL_ID = 0x206C4581,
+        OGL_DEFAULT_SWAP_INTERVAL_SIGN_ID = 0x20655CFA,
+        OGL_EVENT_LOG_SEVERITY_THRESHOLD_ID = 0x209DF23E,
+        OGL_EXTENSION_STRING_VERSION_ID = 0x20FF7493,
+        OGL_FORCE_BLIT_ID = 0x201F619F,
+        OGL_FORCE_STEREO_ID = 0x204D9A0C,
+        OGL_IMPLICIT_GPU_AFFINITY_ID = 0x20D0F3E6,
+        OGL_MAX_FRAMES_ALLOWED_ID = 0x208E55E3,
+        OGL_MULTIMON_ID = 0x200AEBFC,
+        OGL_OVERLAY_PIXEL_TYPE_ID = 0x209AE66F,
+        OGL_OVERLAY_SUPPORT_ID = 0x206C28C4,
+        OGL_QUALITY_ENHANCEMENTS_ID = 0x20797D6C,
+        OGL_SINGLE_BACKDEPTH_BUFFER_ID = 0x20A29055,
+        OGL_THREAD_CONTROL_ID = 0x20C1221E,
+        OGL_TRIPLE_BUFFER_ID = 0x20FDD1F9,
+        OGL_VIDEO_EDITING_MODE_ID = 0x20EE02B4,
+        AA_BEHAVIOR_FLAGS_ID = 0x10ECDB82,
+        AA_MODE_ALPHATOCOVERAGE_ID = 0x10FC2D9C,
+        AA_MODE_GAMMACORRECTION_ID = 0x107D639D,
+        AA_MODE_METHOD_ID = 0x10D773D2,
+        AA_MODE_REPLAY_ID = 0x10D48A85,
+        AA_MODE_SELECTOR_ID = 0x107EFC5B,
+        AA_MODE_SELECTOR_SLIAA_ID = 0x107AFC5B,
+        ANISO_MODE_LEVEL_ID = 0x101E61A9,
+        ANISO_MODE_SELECTOR_ID = 0x10D2BB16,
+        APPLICATION_PROFILE_NOTIFICATION_TIMEOUT_ID = 0x104554B6,
+        APPLICATION_STEAM_ID_ID = 0x107CDDBC,
+        CPL_HIDDEN_PROFILE_ID = 0x106D5CFF,
+        CUDA_EXCLUDED_GPUS_ID = 0x10354FF8,
+        D3DOGL_GPU_MAX_POWER_ID = 0x10D1EF29,
+        EXPORT_PERF_COUNTERS_ID = 0x108F0841,
+        FXAA_ALLOW_ID = 0x1034CB89,
+        FXAA_ENABLE_ID = 0x1074C972,
+        FXAA_INDICATOR_ENABLE_ID = 0x1068FB9C,
+        MCSFRSHOWSPLIT_ID = 0x10287051,
+        OPTIMUS_MAXAA_ID = 0x10F9DC83,
+        PHYSXINDICATOR_ID = 0x1094F16F,
+        PREFERRED_PSTATE_ID = 0x1057EB71,
+        PREVENT_UI_AF_OVERRIDE_ID = 0x103BCCB5,
+        PS_FRAMERATE_LIMITER_ID = 0x10834FEE,
+        PS_FRAMERATE_LIMITER_GPS_CTRL_ID = 0x10834F01,
+        SHIM_MAXRES_ID = 0x10F9DC82,
+        SHIM_MCCOMPAT_ID = 0x10F9DC80,
+        SHIM_RENDERING_MODE_ID = 0x10F9DC81,
+        SHIM_RENDERING_OPTIONS_ID = 0x10F9DC84,
+        SLI_GPU_COUNT_ID = 0x1033DCD1,
+        SLI_PREDEFINED_GPU_COUNT_ID = 0x1033DCD2,
+        SLI_PREDEFINED_GPU_COUNT_DX10_ID = 0x1033DCD3,
+        SLI_PREDEFINED_MODE_ID = 0x1033CEC1,
+        SLI_PREDEFINED_MODE_DX10_ID = 0x1033CEC2,
+        SLI_RENDERING_MODE_ID = 0x1033CED1,
+        VRRFEATUREINDICATOR_ID = 0x1094F157,
+        VRROVERLAYINDICATOR_ID = 0x1095F16F,
+        VRRREQUESTSTATE_ID = 0x1094F1F7,
+        VSYNCSMOOTHAFR_ID = 0x101AE763,
+        VSYNCVRRCONTROL_ID = 0x10A879CE,
+        VSYNC_BEHAVIOR_FLAGS_ID = 0x10FDEC23,
+        WKS_API_STEREO_EYES_EXCHANGE_ID = 0x11AE435C,
+        WKS_API_STEREO_MODE_ID = 0x11E91A61,
+        WKS_MEMORY_ALLOCATION_POLICY_ID = 0x11112233,
+        WKS_STEREO_DONGLE_SUPPORT_ID = 0x112493BD,
+        WKS_STEREO_SUPPORT_ID = 0x11AA9E99,
+        WKS_STEREO_SWAP_MODE_ID = 0x11333333,
+        AO_MODE_ID = 0x00667329,
+        AO_MODE_ACTIVE_ID = 0x00664339,
+        AUTO_LODBIASADJUST_ID = 0x00638E8F,
+        ICAFE_LOGO_CONFIG_ID = 0x00DB1337,
+        LODBIASADJUST_ID = 0x00738E8F,
+        PRERENDERLIMIT_ID = 0x007BA09E,
+        PS_DYNAMIC_TILING_ID = 0x00E5C6C0,
+        PS_SHADERDISKCACHE_ID = 0x00198FFF,
+        PS_TEXFILTER_ANISO_OPTS2_ID = 0x00E73211,
+        PS_TEXFILTER_BILINEAR_IN_ANISO_ID = 0x0084CD70,
+        PS_TEXFILTER_DISABLE_TRILIN_SLOPE_ID = 0x002ECAF2,
+        PS_TEXFILTER_NO_NEG_LODBIAS_ID = 0x0019BB68,
+        QUALITY_ENHANCEMENTS_ID = 0x00CE2691,
+        REFRESH_RATE_OVERRIDE_ID = 0x0064B541,
+        SET_POWER_THROTTLE_FOR_PCIe_COMPLIANCE_ID = 0x00AE785C,
+        SET_VAB_DATA_ID = 0x00AB8687,
+        VSYNCMODE_ID = 0x00A879CF,
+        VSYNCTEARCONTROL_ID = 0x005A375C,
+        TOTAL_DWORD_SETTING_NUM = 80,
+        TOTAL_WSTRING_SETTING_NUM = 4,
+        TOTAL_SETTING_NUM = 84,
+        INVALID_SETTING_ID = 0xFFFFFFFF
+    }
+
+    internal enum NvShimSetting : uint
+    {
+        SHIM_RENDERING_MODE_INTEGRATED = 0x00000000,
+        SHIM_RENDERING_MODE_ENABLE = 0x00000001,
+        SHIM_RENDERING_MODE_USER_EDITABLE = 0x00000002,
+        SHIM_RENDERING_MODE_MASK = 0x00000003,
+        SHIM_RENDERING_MODE_VIDEO_MASK = 0x00000004,
+        SHIM_RENDERING_MODE_VARYING_BIT = 0x00000008,
+        SHIM_RENDERING_MODE_AUTO_SELECT = 0x00000010,
+        SHIM_RENDERING_MODE_OVERRIDE_BIT = 0x80000000,
+        SHIM_RENDERING_MODE_NUM_VALUES = 8,
+        SHIM_RENDERING_MODE_DEFAULT = SHIM_RENDERING_MODE_AUTO_SELECT
+    }
+
+    internal enum NvThreadControlSetting : uint
+    {
+        OGL_THREAD_CONTROL_ENABLE = 0x00000001,
+        OGL_THREAD_CONTROL_DISABLE = 0x00000002,
+        OGL_THREAD_CONTROL_NUM_VALUES = 2,
+        OGL_THREAD_CONTROL_DEFAULT = 0
+    }
+}
@@ -30,7 +30,19 @@ namespace osu.Desktop
        [STAThread]
        public static void Main(string[] args)
        {
-            // run Squirrel first, as the app may exit after these run
+            /*
+             * WARNING: DO NOT PLACE **ANY** CODE ABOVE THE FOLLOWING BLOCK!
+             *
+             * Logic handling Squirrel MUST run before EVERYTHING if you do not want to break it.
+             * To be more precise: Squirrel is internally using a rather... crude method to determine whether it is running under NUnit,
+             * namely by checking loaded assemblies:
+             * https://github.com/clowd/Clowd.Squirrel/blob/24427217482deeeb9f2cacac555525edfc7bd9ac/src/Squirrel/SimpleSplat/PlatformModeDetector.cs#L17-L32
+             *
+             * If it finds ANY assembly from the ones listed above - REGARDLESS of the reason why it is loaded -
+             * the app will then do completely broken things like:
+             * - not creating system shortcuts (as the logic is if'd out if "running tests")
+             * - not exiting after the install / first-update / uninstall hooks are ran (as the `Environment.Exit()` calls are if'd out if "running tests")
+             */
            if (OperatingSystem.IsWindows())
            {
                var windowsVersion = Environment.OSVersion.Version;
@@ -54,6 +66,11 @@ namespace osu.Desktop
                setupSquirrel();
            }

+            // NVIDIA profiles are based on the executable name of a process.
+            // Lazer and stable share the same executable name.
+            // Stable sets this setting to "Off", which may not be what we want, so let's force it back to the default "Auto" on startup.
+            NVAPI.ThreadedOptimisations = NvThreadControlSetting.OGL_THREAD_CONTROL_DEFAULT;
+
            // Back up the cwd before DesktopGameHost changes it
            string cwd = Environment.CurrentDirectory;

@@ -85,7 +102,7 @@ namespace osu.Desktop
                }
            }

-            using (DesktopGameHost host = Host.GetSuitableDesktopHost(gameName, new HostOptions { BindIPC = !tournamentClient }))
+            using (DesktopGameHost host = Host.GetSuitableDesktopHost(gameName, new HostOptions { IPCPort = !tournamentClient ? OsuGame.IPC_PORT : null }))
            {
                if (!host.IsPrimaryInstance)
                {
@@ -23,9 +23,9 @@
    <ProjectReference Include="..\osu.Game.Rulesets.Taiko\osu.Game.Rulesets.Taiko.csproj" />
  </ItemGroup>
  <ItemGroup Label="Package References">
-    <PackageReference Include="Clowd.Squirrel" Version="2.10.2" />
+    <PackageReference Include="Clowd.Squirrel" Version="2.11.1" />
    <PackageReference Include="Mono.Posix.NETStandard" Version="1.0.0" />
-    <PackageReference Include="System.IO.Packaging" Version="7.0.0" />
+    <PackageReference Include="System.IO.Packaging" Version="8.0.0" />
    <PackageReference Include="DiscordRichPresence" Version="1.2.1.24" />
  </ItemGroup>
  <ItemGroup Label="Resources">
@@ -8,7 +8,7 @@

  <ItemGroup>
    <PackageReference Include="BenchmarkDotNet" Version="0.13.9" />
-    <PackageReference Include="nunit" Version="3.13.3" />
+    <PackageReference Include="nunit" Version="3.14.0" />
    <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
  </ItemGroup>

@@ -52,6 +52,7 @@ namespace osu.Game.Rulesets.Catch.Tests
        [TestCase("3644427", new[] { typeof(CatchModEasy), typeof(CatchModFlashlight) })]
        [TestCase("3689906", new[] { typeof(CatchModDoubleTime), typeof(CatchModEasy) })]
        [TestCase("3949367", new[] { typeof(CatchModDoubleTime), typeof(CatchModEasy) })]
+        [TestCase("112643")]
        public new void Test(string name, params Type[] mods) => base.Test(name, mods);

        protected override IEnumerable<ConvertValue> CreateConvertValue(HitObject hitObject)
@@ -0,0 +1,52 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System.Collections.Generic;
+using NUnit.Framework;
+using osu.Game.Beatmaps;
+
+namespace osu.Game.Rulesets.Catch.Tests
+{
+    [TestFixture]
+    public class CatchRateAdjustedDisplayDifficultyTest
+    {
+        private static IEnumerable<float> difficultyValuesToTest()
+        {
+            for (float i = 0; i <= 10; i += 0.5f)
+                yield return i;
+        }
+
+        [TestCaseSource(nameof(difficultyValuesToTest))]
+        public void TestApproachRateIsUnchangedWithRateEqualToOne(float originalApproachRate)
+        {
+            var ruleset = new CatchRuleset();
+            var difficulty = new BeatmapDifficulty { ApproachRate = originalApproachRate };
+
+            var adjustedDifficulty = ruleset.GetRateAdjustedDisplayDifficulty(difficulty, 1);
+
+            Assert.That(adjustedDifficulty.ApproachRate, Is.EqualTo(originalApproachRate));
+        }
+
+        [Test]
+        public void TestRateBelowOne()
+        {
+            var ruleset = new CatchRuleset();
+            var difficulty = new BeatmapDifficulty();
+
+            var adjustedDifficulty = ruleset.GetRateAdjustedDisplayDifficulty(difficulty, 0.75);
+
+            Assert.That(adjustedDifficulty.ApproachRate, Is.EqualTo(1.67).Within(0.01));
+        }
+
+        [Test]
+        public void TestRateAboveOne()
+        {
+            var ruleset = new CatchRuleset();
+            var difficulty = new BeatmapDifficulty();
+
+            var adjustedDifficulty = ruleset.GetRateAdjustedDisplayDifficulty(difficulty, 1.5);
+
+            Assert.That(adjustedDifficulty.ApproachRate, Is.EqualTo(7.67).Within(0.01));
+        }
+    }
+}
@@ -11,7 +11,7 @@ using osuTK;

 namespace osu.Game.Rulesets.Catch.Tests.Mods
 {
-    public partial class TestSceneCatchModPerfect : ModPerfectTestScene
+    public partial class TestSceneCatchModPerfect : ModFailConditionTestScene
    {
        protected override Ruleset CreatePlayerRuleset() => new CatchRuleset();

@@ -0,0 +1,582 @@
+osu file format v9
+
+[General]
+StackLeniency: 0.7
+Mode: 0
+
+[Difficulty]
+HPDrainRate:7
+CircleSize:5
+OverallDifficulty:8
+ApproachRate:8
+SliderMultiplier:3.2
+SliderTickRate:2
+
+[Events]
+//Background and Video events
+//Break Periods
+2,16325,17625
+2,32325,33875
+2,66325,67375
+2,120135,127375
+//Storyboard Layer 0 (Background)
+//Storyboard Layer 1 (Fail)
+//Storyboard Layer 2 (Pass)
+//Storyboard Layer 3 (Foreground)
+//Storyboard Sound Samples
+//Background Colour Transformations
+3,100,163,162,255
+
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+
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+256,192,153125,2,0,B|256:100,1,80,2|0
+256,192,153375,2,0,B|256:368,2,160,2|8|0
+360,60,154125,5,0
+360,60,154250,1,0
+360,60,154375,1,2
+256,12,154625,1,0
+256,12,154750,1,0
+256,12,154875,1,2
+154,64,155125,1,0
+154,64,155250,1,2
+155,63,155375,2,0,B|87:119|115:191|179:211|227:179,2,160,0|8|0
+163,74,156000,5,0
+163,74,156125,1,0
+163,74,156250,2,2,B|174:151|299:265|445:180|473:106,1,400,2|0
+320,80,157125,2,2,B|224:88|184:188|224:288|320:295,1,320
+348,292,157750,1,0
+380,280,157875,1,0
+404,260,158000,1,0
+412,236,158125,1,0
+412,208,158250,1,0
+404,180,158375,1,0
+264,68,158625,2,0,B|184:104,2,80,2|0|2
+164,216,159125,2,0,B|244:180,2,80,2|0|2
+56,144,159625,5,8
+64,276,159875,1,8
+64,276,160000,1,8
+64,276,160125,2,0,B|24:352,2,80,2|0|0
+128,288,160500,2,0,B|136:188,2,80,2|0|0
+192,300,160875,2,0,B|200:400,2,80,2|0|0
+240,256,161250,2,0,B|304:176,2,80,2|0|0
+284,304,161625,2,0,B|356:380,2,80,2|0|0
+328,256,162000,6,0,B|456:236,2,80,0|2|0
+308,192,162375,2,0,B|180:172,2,80,0|2|0
+340,136,162750,2,0,B|468:116,2,80,0|2|0
+284,100,163125,2,0,B|264:-28,2,80,0|2|0
+224,128,163500,2,0,B|204:256,2,80,0|2|0
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+236,252,165750,1,0
+236,252,165875,1,2
+364,276,166125,6,2,B|408:176|360:156|320:168|296:176|268:132|264:112|272:76|304:52|328:40,1,240,2|0
+264,24,166625,2,2,B|308:124|260:144|220:132|196:124|168:168|164:188|172:224|204:248|228:260,1,240,2|0
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+184,240,187625,2,0,B|216:68,1,160,2|0
+256,192,188125,1,6
+256,192,188250,12,2,189625
+464,188,190125,6,2,B|416:108|256:108|256:192|256:276|96:276|48:196,1,480,2|0
+184,144,191125,2,0,B|216:316,1,160,2|0
+328,240,191625,2,0,B|296:68,1,160,2|0
+164,32,192125,5,6
+28,84,192375,1,0
+28,228,192625,1,8
+128,332,192875,2,2,B|160:224|300:172|408:244,2,320,2|2|0
+276,356,194125,2,2,B|384:324|436:184|364:76,1,320
+236,28,194875,2,2,B|128:60|76:200|148:308,1,320,2|0
+280,268,195625,2,0,B|232:116,1,160,2|0
+104,52,196125,5,6
+136,192,196375,1,0
+116,344,196625,1,8
+256,312,196875,1,0
+332,312,197000,1,0
+408,332,197125,1,6
+392,264,197250,1,0
+376,192,197375,1,0
+396,40,197625,1,8
+256,72,197875,5,0
+256,72,198000,1,0
+256,72,198125,1,6
+136,192,198625,1,6
+256,312,199125,1,6
+376,192,199625,1,6
+256,192,200125,1,6
@@ -39,7 +39,7 @@ namespace osu.Game.Rulesets.Catch.Tests
                Mod = new CatchModHidden(),
                PassCondition = () => Player.Results.Count > 0
                                      && Player.ChildrenOfType<DrawableJuiceStream>().Single().Alpha > 0
-                                      && Player.ChildrenOfType<DrawableFruit>().Last().Alpha > 0
+                                      && Player.ChildrenOfType<DrawableFruit>().First().Alpha > 0
            });
        }

@@ -0,0 +1,72 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System.Collections.Generic;
+using System.Linq;
+using NUnit.Framework;
+using osu.Framework.Testing;
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Catch.Objects;
+using osu.Game.Rulesets.Catch.Objects.Drawables;
+using osu.Game.Rulesets.Catch.UI;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Objects.Types;
+using osuTK;
+
+namespace osu.Game.Rulesets.Catch.Tests
+{
+    public partial class TestSceneOutOfBoundsObjects : TestSceneCatchPlayer
+    {
+        protected override bool Autoplay => true;
+
+        [Test]
+        public void TestNoOutOfBoundsObjects()
+        {
+            bool anyObjectOutOfBounds = false;
+
+            AddStep("reset flag", () => anyObjectOutOfBounds = false);
+
+            AddUntilStep("check for out-of-bounds objects",
+                () =>
+                {
+                    anyObjectOutOfBounds |= Player.ChildrenOfType<DrawableCatchHitObject>().Any(dho => dho.X < 0 || dho.X > CatchPlayfield.WIDTH);
+                    return Player.ScoreProcessor.HasCompleted.Value;
+                });
+
+            AddAssert("no out of bound objects found", () => !anyObjectOutOfBounds);
+        }
+
+        protected override IBeatmap CreateBeatmap(RulesetInfo ruleset) => new Beatmap
+        {
+            BeatmapInfo = new BeatmapInfo
+            {
+                Ruleset = ruleset,
+            },
+            HitObjects = new List<HitObject>
+            {
+                new Fruit { StartTime = 1000, X = -50 },
+                new Fruit { StartTime = 1200, X = CatchPlayfield.WIDTH + 50 },
+                new JuiceStream
+                {
+                    StartTime = 1500,
+                    X = 10,
+                    Path = new SliderPath(PathType.LINEAR, new[]
+                    {
+                        Vector2.Zero,
+                        new Vector2(-200, 0)
+                    })
+                },
+                new JuiceStream
+                {
+                    StartTime = 3000,
+                    X = CatchPlayfield.WIDTH - 10,
+                    Path = new SliderPath(PathType.LINEAR, new[]
+                    {
+                        Vector2.Zero,
+                        new Vector2(200, 0)
+                    })
+                },
+            }
+        };
+    }
+}
@@ -2,7 +2,7 @@
  <Import Project="..\osu.TestProject.props" />
  <ItemGroup Label="Package References">
    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.2" />
-    <PackageReference Include="NUnit" Version="3.13.3" />
+    <PackageReference Include="NUnit" Version="3.14.0" />
    <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
  </ItemGroup>
  <PropertyGroup Label="Project">
@@ -15,6 +15,7 @@ using osu.Game.Rulesets.Catch.Beatmaps;
 using osu.Game.Rulesets.Catch.Difficulty;
 using osu.Game.Rulesets.Catch.Edit;
 using osu.Game.Rulesets.Catch.Mods;
+using osu.Game.Rulesets.Catch.Objects;
 using osu.Game.Rulesets.Catch.Replays;
 using osu.Game.Rulesets.Catch.Scoring;
 using osu.Game.Rulesets.Catch.Skinning.Argon;
@@ -235,5 +236,17 @@ namespace osu.Game.Rulesets.Catch
                }),
            };
        }
+
+        /// <seealso cref="CatchHitObject.ApplyDefaultsToSelf"/>
+        public override BeatmapDifficulty GetRateAdjustedDisplayDifficulty(IBeatmapDifficultyInfo difficulty, double rate)
+        {
+            BeatmapDifficulty adjustedDifficulty = new BeatmapDifficulty(difficulty);
+
+            double preempt = IBeatmapDifficultyInfo.DifficultyRange(adjustedDifficulty.ApproachRate, CatchHitObject.PREEMPT_MAX, CatchHitObject.PREEMPT_MID, CatchHitObject.PREEMPT_MIN);
+            preempt /= rate;
+            adjustedDifficulty.ApproachRate = (float)IBeatmapDifficultyInfo.InverseDifficultyRange(preempt, CatchHitObject.PREEMPT_MAX, CatchHitObject.PREEMPT_MID, CatchHitObject.PREEMPT_MIN);
+
+            return adjustedDifficulty;
+        }
    }
 }
@@ -7,9 +7,10 @@ using System.Linq;
 using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Catch.Mods;
 using osu.Game.Rulesets.Catch.Objects;
-using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Catch.Scoring;
 using osu.Game.Rulesets.Mods;
 using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Objects.Legacy;
 using osu.Game.Rulesets.Objects.Types;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Rulesets.Scoring.Legacy;
@@ -18,6 +19,8 @@ namespace osu.Game.Rulesets.Catch.Difficulty
 {
    internal class CatchLegacyScoreSimulator : ILegacyScoreSimulator
    {
+        private readonly ScoreProcessor scoreProcessor = new CatchScoreProcessor();
+
        private int legacyBonusScore;
        private int standardisedBonusScore;
        private int combo;
@@ -60,13 +63,7 @@ namespace osu.Game.Rulesets.Catch.Difficulty
                drainLength = ((int)Math.Round(baseBeatmap.HitObjects[^1].StartTime) - (int)Math.Round(baseBeatmap.HitObjects[0].StartTime) - breakLength) / 1000;
            }

-            int difficultyPeppyStars = (int)Math.Round(
-                (baseBeatmap.Difficulty.DrainRate
-                 + baseBeatmap.Difficulty.OverallDifficulty
-                 + baseBeatmap.Difficulty.CircleSize
-                 + Math.Clamp((float)objectCount / drainLength * 8, 0, 16)) / 38 * 5);
-
-            scoreMultiplier = difficultyPeppyStars;
+            scoreMultiplier = LegacyRulesetExtensions.CalculateDifficultyPeppyStars(baseBeatmap.Difficulty, objectCount, drainLength);

            LegacyScoreAttributes attributes = new LegacyScoreAttributes();

@@ -75,6 +72,7 @@ namespace osu.Game.Rulesets.Catch.Difficulty

            attributes.BonusScoreRatio = legacyBonusScore == 0 ? 0 : (double)standardisedBonusScore / legacyBonusScore;
            attributes.BonusScore = legacyBonusScore;
+            attributes.MaxCombo = combo;

            return attributes;
        }
@@ -133,7 +131,7 @@ namespace osu.Game.Rulesets.Catch.Difficulty
            if (isBonus)
            {
                legacyBonusScore += scoreIncrease;
-                standardisedBonusScore += Judgement.ToNumericResult(bonusResult);
+                standardisedBonusScore += scoreProcessor.GetBaseScoreForResult(bonusResult);
            }
            else
                attributes.AccuracyScore += scoreIncrease;
@@ -3,6 +3,7 @@

 using System;
 using osu.Framework.Input.Events;
+using osu.Framework.Utils;
 using osu.Game.Rulesets.Catch.Edit.Blueprints.Components;
 using osu.Game.Rulesets.Catch.Objects;
 using osu.Game.Rulesets.Edit;
@@ -17,7 +18,7 @@ namespace osu.Game.Rulesets.Catch.Edit.Blueprints
        private double placementStartTime;
        private double placementEndTime;

-        protected override bool IsValidForPlacement => HitObject.Duration > 0;
+        protected override bool IsValidForPlacement => Precision.DefinitelyBigger(HitObject.Duration, 0);

        public BananaShowerPlacementBlueprint()
        {
@@ -4,6 +4,7 @@
 using osu.Framework.Graphics;
 using osu.Framework.Input;
 using osu.Framework.Input.Events;
+using osu.Framework.Utils;
 using osu.Game.Rulesets.Catch.Edit.Blueprints.Components;
 using osu.Game.Rulesets.Catch.Objects;
 using osu.Game.Rulesets.Edit;
@@ -24,7 +25,7 @@ namespace osu.Game.Rulesets.Catch.Edit.Blueprints

        private InputManager inputManager = null!;

-        protected override bool IsValidForPlacement => HitObject.Duration > 0;
+        protected override bool IsValidForPlacement => Precision.DefinitelyBigger(HitObject.Duration, 0);

        public JuiceStreamPlacementBlueprint()
        {
@@ -150,7 +150,7 @@ namespace osu.Game.Rulesets.Catch.Objects
        {
            base.ApplyDefaultsToSelf(controlPointInfo, difficulty);

-            TimePreempt = (float)IBeatmapDifficultyInfo.DifficultyRange(difficulty.ApproachRate, 1800, 1200, 450);
+            TimePreempt = (float)IBeatmapDifficultyInfo.DifficultyRange(difficulty.ApproachRate, PREEMPT_MAX, PREEMPT_MID, PREEMPT_MIN);

            Scale = LegacyRulesetExtensions.CalculateScaleFromCircleSize(difficulty.CircleSize);
        }
@@ -189,6 +189,21 @@ namespace osu.Game.Rulesets.Catch.Objects
        // The half of the height of the osu! playfield.
        public const float DEFAULT_LEGACY_CONVERT_Y = 192;

+        /// <summary>
+        /// Minimum preempt time at AR=10.
+        /// </summary>
+        public const double PREEMPT_MIN = 450;
+
+        /// <summary>
+        /// Median preempt time at AR=5.
+        /// </summary>
+        public const double PREEMPT_MID = 1200;
+
+        /// <summary>
+        /// Maximum preempt time at AR=0.
+        /// </summary>
+        public const double PREEMPT_MAX = 1800;
+
        /// <summary>
        /// The Y position of the hit object is not used in the normal osu!catch gameplay.
        /// It is preserved to maximize the backward compatibility with the legacy editor, in which the mappers use the Y position to organize the patterns.
@@ -22,7 +22,7 @@ namespace osu.Game.Rulesets.Catch.Objects.Drawables
            RelativeSizeAxes = Axes.X;
            Origin = Anchor.BottomLeft;

-            AddInternal(bananaContainer = new Container { RelativeSizeAxes = Axes.Both });
+            AddInternal(bananaContainer = new NestedFruitContainer { RelativeSizeAxes = Axes.Both });
        }

        protected override void AddNestedHitObject(DrawableHitObject hitObject)
@@ -22,7 +22,7 @@ namespace osu.Game.Rulesets.Catch.Objects.Drawables
            RelativeSizeAxes = Axes.X;
            Origin = Anchor.BottomLeft;

-            AddInternal(dropletContainer = new Container { RelativeSizeAxes = Axes.Both, });
+            AddInternal(dropletContainer = new NestedFruitContainer { RelativeSizeAxes = Axes.Both, });
        }

        protected override void AddNestedHitObject(DrawableHitObject hitObject)
@@ -1,10 +1,12 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.

+using System;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
+using osu.Game.Rulesets.Catch.UI;
 using osuTK;
 using osuTK.Graphics;

@@ -70,7 +72,10 @@ namespace osu.Game.Rulesets.Catch.Objects.Drawables

        private void updateXPosition(ValueChangedEvent<float> _)
        {
-            X = OriginalXBindable.Value + XOffsetBindable.Value;
+            // same as `CatchHitObject.EffectiveX`.
+            // not using that property directly to support scenarios where `HitObject` may not necessarily be present
+            // for this pooled drawable.
+            X = Math.Clamp(OriginalXBindable.Value + XOffsetBindable.Value, 0, CatchPlayfield.WIDTH);
        }

        protected override void OnApply()
@@ -0,0 +1,26 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Game.Rulesets.UI;
+
+namespace osu.Game.Rulesets.Catch.Objects.Drawables
+{
+    public partial class NestedFruitContainer : Container
+    {
+        /// <remarks>
+        /// This comparison logic is a copy of <see cref="HitObjectContainer"/> comparison logic,
+        /// which can't be easily extracted to a more common place.
+        /// </remarks>
+        /// <seealso cref="HitObjectContainer.Compare"/>
+        protected override int Compare(Drawable x, Drawable y)
+        {
+            if (x is not DrawableCatchHitObject xObj || y is not DrawableCatchHitObject yObj)
+                return base.Compare(x, y);
+
+            int result = yObj.HitObject.StartTime.CompareTo(xObj.HitObject.StartTime);
+            return result == 0 ? CompareReverseChildID(x, y) : result;
+        }
+    }
+}
@@ -10,7 +10,6 @@ using osu.Framework.Bindables;
 using osu.Game.Audio;
 using osu.Game.Beatmaps;
 using osu.Game.Beatmaps.ControlPoints;
-using osu.Game.Rulesets.Catch.UI;
 using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Objects.Types;
@@ -103,8 +102,7 @@ namespace osu.Game.Rulesets.Catch.Objects
                            AddNested(new TinyDroplet
                            {
                                StartTime = t + lastEvent.Value.Time,
-                                X = ClampToPlayfield(EffectiveX + Path.PositionAt(
-                                    lastEvent.Value.PathProgress + (t / sinceLastTick) * (e.PathProgress - lastEvent.Value.PathProgress)).X),
+                                X = EffectiveX + Path.PositionAt(lastEvent.Value.PathProgress + (t / sinceLastTick) * (e.PathProgress - lastEvent.Value.PathProgress)).X,
                            });
                        }
                    }
@@ -121,7 +119,7 @@ namespace osu.Game.Rulesets.Catch.Objects
                        {
                            Samples = dropletSamples,
                            StartTime = e.Time,
-                            X = ClampToPlayfield(EffectiveX + Path.PositionAt(e.PathProgress).X),
+                            X = EffectiveX + Path.PositionAt(e.PathProgress).X,
                        });
                        break;

@@ -132,16 +130,14 @@ namespace osu.Game.Rulesets.Catch.Objects
                        {
                            Samples = this.GetNodeSamples(nodeIndex++),
                            StartTime = e.Time,
-                            X = ClampToPlayfield(EffectiveX + Path.PositionAt(e.PathProgress).X),
+                            X = EffectiveX + Path.PositionAt(e.PathProgress).X,
                        });
                        break;
                }
            }
        }

-        public float EndX => ClampToPlayfield(EffectiveX + this.CurvePositionAt(1).X);
-
-        public float ClampToPlayfield(float value) => Math.Clamp(value, 0, CatchPlayfield.WIDTH);
+        public float EndX => EffectiveX + this.CurvePositionAt(1).X;

        [JsonIgnore]
        public double Duration
@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.

 using System;
+using System.Collections.Generic;
 using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Scoring;
@@ -20,22 +21,75 @@ namespace osu.Game.Rulesets.Catch.Scoring
        private const int combo_cap = 200;
        private const double combo_base = 4;

+        private double fruitTinyScale;
+
        public CatchScoreProcessor()
            : base(new CatchRuleset())
        {
        }

+        protected override void Reset(bool storeResults)
+        {
+            base.Reset(storeResults);
+
+            // large ticks are *purposefully* not counted to match stable
+            int fruitTinyScaleDivisor = MaximumResultCounts.GetValueOrDefault(HitResult.SmallTickHit) + MaximumResultCounts.GetValueOrDefault(HitResult.Great);
+            fruitTinyScale = fruitTinyScaleDivisor == 0
+                ? 0
+                : (double)MaximumResultCounts.GetValueOrDefault(HitResult.SmallTickHit) / fruitTinyScaleDivisor;
+        }
+
        protected override double ComputeTotalScore(double comboProgress, double accuracyProgress, double bonusPortion)
        {
-            return 600000 * comboProgress
-                   + 400000 * Accuracy.Value * accuracyProgress
+            const int max_tiny_droplets_portion = 400000;
+
+            double comboPortion = 1000000 - max_tiny_droplets_portion + max_tiny_droplets_portion * (1 - fruitTinyScale);
+            double dropletsPortion = max_tiny_droplets_portion * fruitTinyScale;
+            double dropletsHit = MaximumResultCounts.GetValueOrDefault(HitResult.SmallTickHit) == 0
+                ? 0
+                : (double)ScoreResultCounts.GetValueOrDefault(HitResult.SmallTickHit) / MaximumResultCounts.GetValueOrDefault(HitResult.SmallTickHit);
+
+            return comboPortion * comboProgress
+                   + dropletsPortion * dropletsHit
                   + bonusPortion;
        }

-        protected override double GetComboScoreChange(JudgementResult result)
-            => Judgement.ToNumericResult(result.Type) * Math.Min(Math.Max(0.5, Math.Log(result.ComboAfterJudgement, combo_base)), Math.Log(combo_cap, combo_base));
+        public override int GetBaseScoreForResult(HitResult result)
+        {
+            switch (result)
+            {
+                // dirty hack to emulate accuracy on stable weighting every object equally in accuracy portion
+                case HitResult.Great:
+                case HitResult.LargeTickHit:
+                case HitResult.SmallTickHit:
+                    return 300;

-        public override ScoreRank RankFromAccuracy(double accuracy)
+                case HitResult.LargeBonus:
+                    return 200;
+            }
+
+            return base.GetBaseScoreForResult(result);
+        }
+
+        protected override double GetComboScoreChange(JudgementResult result)
+        {
+            double baseIncrease = 0;
+
+            switch (result.Type)
+            {
+                case HitResult.Great:
+                    baseIncrease = 300;
+                    break;
+
+                case HitResult.LargeTickHit:
+                    baseIncrease = 100;
+                    break;
+            }
+
+            return baseIncrease * Math.Min(Math.Max(0.5, Math.Log(result.ComboAfterJudgement, combo_base)), Math.Log(combo_cap, combo_base));
+        }
+
+        public override ScoreRank RankFromScore(double accuracy, IReadOnlyDictionary<HitResult, int> results)
        {
            if (accuracy == accuracy_cutoff_x)
                return ScoreRank.X;
@@ -3,6 +3,7 @@

 using System.Collections.Generic;
 using NUnit.Framework;
+using osu.Framework.Utils;
 using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Mania.Mods;
 using osu.Game.Rulesets.Mania.Objects;
@@ -25,8 +26,8 @@ namespace osu.Game.Rulesets.Mania.Tests.Mods
        public void TestHitWindowWithoutDoubleTime() => CreateModTest(new ModTestData
        {
            PassCondition = () => Player.ScoreProcessor.JudgedHits > 0
-                                  && Player.ScoreProcessor.Accuracy.Value == 1
-                                  && Player.ScoreProcessor.TotalScore.Value == 1_000_000,
+                                  && Precision.AlmostEquals(Player.ScoreProcessor.Accuracy.Value, 0.9836, 0.01)
+                                  && Player.ScoreProcessor.TotalScore.Value == 946_049,
            Autoplay = false,
            Beatmap = new Beatmap
            {
@@ -53,7 +54,7 @@ namespace osu.Game.Rulesets.Mania.Tests.Mods
                Mod = doubleTime,
                PassCondition = () => Player.ScoreProcessor.JudgedHits > 0
                                      && Player.ScoreProcessor.Accuracy.Value == 1
-                                      && Player.ScoreProcessor.TotalScore.Value == (long)(1_000_010 * doubleTime.ScoreMultiplier),
+                                      && Player.ScoreProcessor.TotalScore.Value == (long)(1_000_000 * doubleTime.ScoreMultiplier),
                Autoplay = false,
                Beatmap = new Beatmap
                {
@@ -1,14 +1,19 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.

+using System.Collections.Generic;
 using NUnit.Framework;
+using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Mania.Mods;
 using osu.Game.Rulesets.Mania.Objects;
+using osu.Game.Rulesets.Mania.Replays;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Replays;
 using osu.Game.Tests.Visual;

 namespace osu.Game.Rulesets.Mania.Tests.Mods
 {
-    public partial class TestSceneManiaModPerfect : ModPerfectTestScene
+    public partial class TestSceneManiaModPerfect : ModFailConditionTestScene
    {
        protected override Ruleset CreatePlayerRuleset() => new ManiaRuleset();

@@ -24,5 +29,52 @@ namespace osu.Game.Rulesets.Mania.Tests.Mods
        [TestCase(false)]
        [TestCase(true)]
        public void TestHoldNote(bool shouldMiss) => CreateHitObjectTest(new HitObjectTestData(new HoldNote { StartTime = 1000, EndTime = 3000 }), shouldMiss);
+
+        [Test]
+        public void TestGreatHit() => CreateModTest(new ModTestData
+        {
+            Mod = new ManiaModPerfect(),
+            PassCondition = () => ((ModFailConditionTestPlayer)Player).CheckFailed(false),
+            Autoplay = false,
+            Beatmap = new Beatmap
+            {
+                HitObjects = new List<HitObject>
+                {
+                    new Note
+                    {
+                        StartTime = 1000,
+                    }
+                },
+            },
+            ReplayFrames = new List<ReplayFrame>
+            {
+                new ManiaReplayFrame(1020, ManiaAction.Key1),
+                new ManiaReplayFrame(2000)
+            }
+        });
+
+        [Test]
+        public void TestBreakOnHoldNote() => CreateModTest(new ModTestData
+        {
+            Mod = new ManiaModPerfect(),
+            PassCondition = () => ((ModFailConditionTestPlayer)Player).CheckFailed(true) && Player.Results.Count == 2,
+            Autoplay = false,
+            Beatmap = new Beatmap
+            {
+                HitObjects = new List<HitObject>
+                {
+                    new HoldNote
+                    {
+                        StartTime = 1000,
+                        EndTime = 3000,
+                    },
+                },
+            },
+            ReplayFrames = new List<ReplayFrame>
+            {
+                new ManiaReplayFrame(1000, ManiaAction.Key1),
+                new ManiaReplayFrame(2000)
+            }
+        });
    }
 }
@@ -0,0 +1,72 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System.Collections.Generic;
+using NUnit.Framework;
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Mania.Mods;
+using osu.Game.Rulesets.Mania.Objects;
+using osu.Game.Rulesets.Mania.Replays;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Replays;
+using osu.Game.Tests.Visual;
+
+namespace osu.Game.Rulesets.Mania.Tests.Mods
+{
+    public partial class TestSceneManiaModSuddenDeath : ModFailConditionTestScene
+    {
+        protected override Ruleset CreatePlayerRuleset() => new ManiaRuleset();
+
+        public TestSceneManiaModSuddenDeath()
+            : base(new ManiaModSuddenDeath())
+        {
+        }
+
+        [Test]
+        public void TestGreatHit() => CreateModTest(new ModTestData
+        {
+            Mod = new ManiaModSuddenDeath(),
+            PassCondition = () => ((ModFailConditionTestPlayer)Player).CheckFailed(false),
+            Autoplay = false,
+            Beatmap = new Beatmap
+            {
+                HitObjects = new List<HitObject>
+                {
+                    new Note
+                    {
+                        StartTime = 1000,
+                    }
+                },
+            },
+            ReplayFrames = new List<ReplayFrame>
+            {
+                new ManiaReplayFrame(1020, ManiaAction.Key1),
+                new ManiaReplayFrame(2000)
+            }
+        });
+
+        [Test]
+        public void TestBreakOnHoldNote() => CreateModTest(new ModTestData
+        {
+            Mod = new ManiaModSuddenDeath(),
+            PassCondition = () => ((ModFailConditionTestPlayer)Player).CheckFailed(true) && Player.Results.Count == 2,
+            Autoplay = false,
+            Beatmap = new Beatmap
+            {
+                HitObjects = new List<HitObject>
+                {
+                    new HoldNote
+                    {
+                        StartTime = 1000,
+                        EndTime = 3000,
+                    },
+                },
+            },
+            ReplayFrames = new List<ReplayFrame>
+            {
+                new ManiaReplayFrame(1000, ManiaAction.Key1),
+                new ManiaReplayFrame(2000)
+            }
+        });
+    }
+}
@@ -1,10 +1,8 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.

-using System;
 using System.Collections.Generic;
 using NUnit.Framework;
-using osu.Framework.Graphics;
 using osu.Game.Rulesets.Mania.Beatmaps;
 using osu.Game.Rulesets.Mania.Objects;
 using osu.Game.Rulesets.Mania.UI;
@@ -16,37 +14,35 @@ namespace osu.Game.Rulesets.Mania.Tests.Skinning
        [Test]
        public void TestMinor()
        {
-            AddStep("Create barlines", () => recreate());
+            AddStep("Create barlines", recreate);
        }

-        private void recreate(Func<IEnumerable<BarLine>>? createBarLines = null)
+        private void recreate()
        {
            var stageDefinitions = new List<StageDefinition>
            {
                new StageDefinition(4),
            };

-            SetContents(_ => new ManiaPlayfield(stageDefinitions).With(s =>
+            SetContents(_ =>
            {
-                if (createBarLines != null)
+                var maniaPlayfield = new ManiaPlayfield(stageDefinitions);
+
+                // Must be scheduled so the pool is loaded before we try and retrieve from it.
+                Schedule(() =>
                {
-                    var barLines = createBarLines();
-
-                    foreach (var b in barLines)
-                        s.Add(b);
-
-                    return;
-                }
-
-                for (int i = 0; i < 64; i++)
-                {
-                    s.Add(new BarLine
+                    for (int i = 0; i < 64; i++)
                    {
-                        StartTime = Time.Current + i * 500,
-                        Major = i % 4 == 0,
-                    });
-                }
-            }));
+                        maniaPlayfield.Add(new BarLine
+                        {
+                            StartTime = Time.Current + i * 500,
+                            Major = i % 4 == 0,
+                        });
+                    }
+                });
+
+                return maniaPlayfield;
+            });
        }
    }
 }
@@ -200,12 +200,10 @@ namespace osu.Game.Rulesets.Mania.Tests
            });

            assertHeadJudgement(HitResult.Perfect);
-            // judgement combo offset by perfect bonus judgement. see logic in DrawableNote.CheckForResult.
-            assertComboAtJudgement(1, 1);
+            assertComboAtJudgement(0, 1);
            assertTailJudgement(HitResult.Meh);
-            assertComboAtJudgement(2, 0);
-            // judgement combo offset by perfect bonus judgement. see logic in DrawableNote.CheckForResult.
-            assertComboAtJudgement(4, 1);
+            assertComboAtJudgement(1, 0);
+            assertComboAtJudgement(3, 1);
        }

        /// <summary>
@@ -54,7 +54,7 @@ namespace osu.Game.Rulesets.Mania.Tests
            AddAssert("all objects perfectly judged",
                () => judgementResults.Select(result => result.Type),
                () => Is.EquivalentTo(judgementResults.Select(result => result.Judgement.MaxResult)));
-            AddAssert("score is correct", () => currentPlayer.ScoreProcessor.TotalScore.Value, () => Is.EqualTo(1_000_030));
+            AddAssert("score is correct", () => currentPlayer.ScoreProcessor.TotalScore.Value, () => Is.EqualTo(1_000_000));
        }

        [Test]
@@ -87,7 +87,7 @@ namespace osu.Game.Rulesets.Mania.Tests
            AddAssert("all objects perfectly judged",
                () => judgementResults.Select(result => result.Type),
                () => Is.EquivalentTo(judgementResults.Select(result => result.Judgement.MaxResult)));
-            AddAssert("score is correct", () => currentPlayer.ScoreProcessor.TotalScore.Value, () => Is.EqualTo(1_000_040));
+            AddAssert("score is correct", () => currentPlayer.ScoreProcessor.TotalScore.Value, () => Is.EqualTo(1_000_000));
        }

        private void performTest(List<ManiaHitObject> hitObjects, List<ReplayFrame> frames)
@@ -2,7 +2,7 @@
  <Import Project="..\osu.TestProject.props" />
  <ItemGroup Label="Package References">
    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.2" />
-    <PackageReference Include="NUnit" Version="3.13.3" />
+    <PackageReference Include="NUnit" Version="3.14.0" />
    <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
  </ItemGroup>
  <PropertyGroup Label="Project">
@@ -59,23 +59,26 @@ namespace osu.Game.Rulesets.Mania.Beatmaps
        {
            double roundedCircleSize = Math.Round(difficulty.CircleSize);

-            if (new ManiaRuleset().RulesetInfo.Equals(difficulty.SourceRuleset))
+            if (difficulty.SourceRuleset.ShortName == ManiaRuleset.SHORT_NAME)
                return (int)Math.Max(1, roundedCircleSize);

            double roundedOverallDifficulty = Math.Round(difficulty.OverallDifficulty);

-            int countSliderOrSpinner = difficulty.EndTimeObjectCount;
+            if (difficulty.TotalObjectCount > 0 && difficulty.EndTimeObjectCount >= 0)
+            {
+                int countSliderOrSpinner = difficulty.EndTimeObjectCount;

-            // In osu!stable, this division appears as if it happens on floats, but due to release-mode
-            // optimisations, it actually ends up happening on doubles.
-            double percentSpecialObjects = (double)countSliderOrSpinner / difficulty.TotalObjectCount;
+                // In osu!stable, this division appears as if it happens on floats, but due to release-mode
+                // optimisations, it actually ends up happening on doubles.
+                double percentSpecialObjects = (double)countSliderOrSpinner / difficulty.TotalObjectCount;

-            if (percentSpecialObjects < 0.2)
-                return 7;
-            if (percentSpecialObjects < 0.3 || roundedCircleSize >= 5)
-                return roundedOverallDifficulty > 5 ? 7 : 6;
-            if (percentSpecialObjects > 0.6)
-                return roundedOverallDifficulty > 4 ? 5 : 4;
+                if (percentSpecialObjects < 0.2)
+                    return 7;
+                if (percentSpecialObjects < 0.3 || roundedCircleSize >= 5)
+                    return roundedOverallDifficulty > 5 ? 7 : 6;
+                if (percentSpecialObjects > 0.6)
+                    return roundedOverallDifficulty > 4 ? 5 : 4;
+            }

            return Math.Max(4, Math.Min((int)roundedOverallDifficulty + 1, 7));
        }
@@ -15,7 +15,11 @@ namespace osu.Game.Rulesets.Mania.Difficulty
    {
        public LegacyScoreAttributes Simulate(IWorkingBeatmap workingBeatmap, IBeatmap playableBeatmap)
        {
-            return new LegacyScoreAttributes { ComboScore = 1000000 };
+            return new LegacyScoreAttributes
+            {
+                ComboScore = 1000000,
+                MaxCombo = 0 // Max combo is mod-dependent, so any value here is insufficient.
+            };
        }

        public double GetLegacyScoreMultiplier(IReadOnlyList<Mod> mods, LegacyBeatmapConversionDifficultyInfo difficulty)
@@ -5,6 +5,7 @@ using System;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Input.Events;
+using osu.Framework.Utils;
 using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Mania.Edit.Blueprints.Components;
 using osu.Game.Rulesets.Mania.Objects;
@@ -23,7 +24,7 @@ namespace osu.Game.Rulesets.Mania.Edit.Blueprints
        [Resolved]
        private IScrollingInfo scrollingInfo { get; set; } = null!;

-        protected override bool IsValidForPlacement => HitObject.Duration > 0;
+        protected override bool IsValidForPlacement => Precision.DefinitelyBigger(HitObject.Duration, 0);

        public HoldNotePlacementBlueprint()
            : base(new HoldNote())
@@ -10,5 +10,10 @@ namespace osu.Game.Rulesets.Mania.Mods
    public class ManiaModDoubleTime : ModDoubleTime, IManiaRateAdjustmentMod
    {
        public HitWindows HitWindows { get; set; } = new ManiaHitWindows();
+
+        // For now, all rate-increasing mods should be given a 1x multiplier in mania because it doesn't always
+        // make the map harder and is more of a personal preference.
+        // In the future, we can consider adjusting this by experimenting with not applying the hitwindow leniency.
+        public override double ScoreMultiplier => 1;
    }
 }
@@ -11,5 +11,10 @@ namespace osu.Game.Rulesets.Mania.Mods
    public class ManiaModNightcore : ModNightcore<ManiaHitObject>, IManiaRateAdjustmentMod
    {
        public HitWindows HitWindows { get; set; } = new ManiaHitWindows();
+
+        // For now, all rate-increasing mods should be given a 1x multiplier in mania because it doesn't always
+        // make the map any harder and is more of a personal preference.
+        // In the future, we can consider adjusting this by experimenting with not applying the hitwindow leniency.
+        public override double ScoreMultiplier => 1;
    }
 }
@@ -1,11 +1,26 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.

+using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Mods;
+using osu.Game.Rulesets.Scoring;

 namespace osu.Game.Rulesets.Mania.Mods
 {
    public class ManiaModPerfect : ModPerfect
    {
+        protected override bool FailCondition(HealthProcessor healthProcessor, JudgementResult result)
+        {
+            if (!isRelevantResult(result.Judgement.MinResult) && !isRelevantResult(result.Judgement.MaxResult) && !isRelevantResult(result.Type))
+                return false;
+
+            // Mania allows imperfect "Great" hits without failing.
+            if (result.Judgement.MaxResult == HitResult.Perfect)
+                return result.Type < HitResult.Great;
+
+            return result.Type != result.Judgement.MaxResult;
+        }
+
+        private bool isRelevantResult(HitResult result) => result.AffectsAccuracy() || result.AffectsCombo();
    }
 }
@@ -13,8 +13,6 @@ using osu.Game.Beatmaps;
 using osu.Game.Graphics;
 using osu.Game.Rulesets.Mania.Configuration;
 using osu.Game.Rulesets.Mania.Skinning.Default;
-using osu.Game.Rulesets.Objects;
-using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Rulesets.UI.Scrolling;
 using osu.Game.Screens.Edit;
@@ -40,8 +38,6 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables

        private Drawable headPiece;

-        private DrawableNotePerfectBonus perfectBonus;
-
        public DrawableNote()
            : this(null)
        {
@@ -93,10 +89,7 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
            if (!userTriggered)
            {
                if (!HitObject.HitWindows.CanBeHit(timeOffset))
-                {
-                    perfectBonus.TriggerResult(false);
                    ApplyResult(r => r.Type = r.Judgement.MinResult);
-                }

                return;
            }
@@ -107,16 +100,9 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables

            result = GetCappedResult(result);

-            perfectBonus.TriggerResult(result == HitResult.Perfect);
            ApplyResult(r => r.Type = result);
        }

-        public override void MissForcefully()
-        {
-            perfectBonus.TriggerResult(false);
-            base.MissForcefully();
-        }
-
        /// <summary>
        /// Some objects in mania may want to limit the max result.
        /// </summary>
@@ -137,32 +123,6 @@ namespace osu.Game.Rulesets.Mania.Objects.Drawables
        {
        }

-        protected override void AddNestedHitObject(DrawableHitObject hitObject)
-        {
-            switch (hitObject)
-            {
-                case DrawableNotePerfectBonus bonus:
-                    AddInternal(perfectBonus = bonus);
-                    break;
-            }
-        }
-
-        protected override void ClearNestedHitObjects()
-        {
-            RemoveInternal(perfectBonus, false);
-        }
-
-        protected override DrawableHitObject CreateNestedHitObject(HitObject hitObject)
-        {
-            switch (hitObject)
-            {
-                case NotePerfectBonus bonus:
-                    return new DrawableNotePerfectBonus(bonus);
-            }
-
-            return base.CreateNestedHitObject(hitObject);
-        }
-
        private void updateSnapColour()
        {
            if (beatmap == null || HitObject == null) return;
@@ -1,26 +0,0 @@
-// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
-// See the LICENCE file in the repository root for full licence text.
-
-namespace osu.Game.Rulesets.Mania.Objects.Drawables
-{
-    public partial class DrawableNotePerfectBonus : DrawableManiaHitObject<NotePerfectBonus>
-    {
-        public override bool DisplayResult => false;
-
-        public DrawableNotePerfectBonus()
-            : this(null!)
-        {
-        }
-
-        public DrawableNotePerfectBonus(NotePerfectBonus hitObject)
-            : base(hitObject)
-        {
-        }
-
-        /// <summary>
-        /// Apply a judgement result.
-        /// </summary>
-        /// <param name="hit">Whether this tick was reached.</param>
-        internal void TriggerResult(bool hit) => ApplyResult(r => r.Type = hit ? r.Judgement.MaxResult : r.Judgement.MinResult);
-    }
-}
@@ -1,7 +1,6 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.

-using System.Threading;
 using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Mania.Judgements;

@@ -13,12 +12,5 @@ namespace osu.Game.Rulesets.Mania.Objects
    public class Note : ManiaHitObject
    {
        public override Judgement CreateJudgement() => new ManiaJudgement();
-
-        protected override void CreateNestedHitObjects(CancellationToken cancellationToken)
-        {
-            base.CreateNestedHitObjects(cancellationToken);
-
-            AddNested(new NotePerfectBonus { StartTime = StartTime });
-        }
    }
 }
@@ -1,20 +0,0 @@
-// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
-// See the LICENCE file in the repository root for full licence text.
-
-using osu.Game.Rulesets.Judgements;
-using osu.Game.Rulesets.Mania.Judgements;
-using osu.Game.Rulesets.Scoring;
-
-namespace osu.Game.Rulesets.Mania.Objects
-{
-    public class NotePerfectBonus : ManiaHitObject
-    {
-        public override Judgement CreateJudgement() => new NotePerfectBonusJudgement();
-        protected override HitWindows CreateHitWindows() => HitWindows.Empty;
-
-        public class NotePerfectBonusJudgement : ManiaJudgement
-        {
-            public override HitResult MaxResult => HitResult.SmallBonus;
-        }
-    }
-}
@@ -26,13 +26,37 @@ namespace osu.Game.Rulesets.Mania.Scoring

        protected override double ComputeTotalScore(double comboProgress, double accuracyProgress, double bonusPortion)
        {
-            return 10000 * comboProgress
-                   + 990000 * Math.Pow(Accuracy.Value, 2 + 2 * Accuracy.Value) * accuracyProgress
+            return 150000 * comboProgress
+                   + 850000 * Math.Pow(Accuracy.Value, 2 + 2 * Accuracy.Value) * accuracyProgress
                   + bonusPortion;
        }

        protected override double GetComboScoreChange(JudgementResult result)
-            => Judgement.ToNumericResult(result.Type) * Math.Min(Math.Max(0.5, Math.Log(result.ComboAfterJudgement, combo_base)), Math.Log(400, combo_base));
+        {
+            return getBaseComboScoreForResult(result.Type) * Math.Min(Math.Max(0.5, Math.Log(result.ComboAfterJudgement, combo_base)), Math.Log(400, combo_base));
+        }
+
+        public override int GetBaseScoreForResult(HitResult result)
+        {
+            switch (result)
+            {
+                case HitResult.Perfect:
+                    return 305;
+            }
+
+            return base.GetBaseScoreForResult(result);
+        }
+
+        private int getBaseComboScoreForResult(HitResult result)
+        {
+            switch (result)
+            {
+                case HitResult.Perfect:
+                    return 300;
+            }
+
+            return GetBaseScoreForResult(result);
+        }

        private class JudgementOrderComparer : IComparer<HitObject>
        {
@@ -19,6 +19,8 @@ namespace osu.Game.Rulesets.Mania.Skinning.Argon
 {
    public partial class ArgonJudgementPiece : JudgementPiece, IAnimatableJudgement
    {
+        private const float judgement_y_position = 160;
+
        private RingExplosion? ringExplosion;

        [Resolved]
@@ -30,7 +32,7 @@ namespace osu.Game.Rulesets.Mania.Skinning.Argon
            AutoSizeAxes = Axes.Both;

            Origin = Anchor.Centre;
-            Y = 160;
+            Y = judgement_y_position;
        }

        [BackgroundDependencyLoader]
@@ -76,7 +78,7 @@ namespace osu.Game.Rulesets.Mania.Skinning.Argon
                    this.ScaleTo(1.6f);
                    this.ScaleTo(1, 100, Easing.In);

-                    this.MoveTo(Vector2.Zero);
+                    this.MoveToY(judgement_y_position);
                    this.MoveToOffset(new Vector2(0, 100), 800, Easing.InQuint);

                    this.RotateTo(0);
@@ -2,7 +2,6 @@
 // See the LICENCE file in the repository root for full licence text.

 using System;
-using osu.Framework;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics;
 using osu.Game.Beatmaps;
@@ -100,16 +99,9 @@ namespace osu.Game.Rulesets.Mania.Skinning.Argon
                        return SkinUtils.As<TValue>(new Bindable<float>(30));

                    case LegacyManiaSkinConfigurationLookups.ColumnWidth:
-
-                        float width;
-
                        bool isSpecialColumn = stage.IsSpecialColumn(columnIndex);

-                        // Best effort until we have better mobile support.
-                        if (RuntimeInfo.IsMobile)
-                            width = 170 * Math.Min(1, 7f / beatmap.TotalColumns) * (isSpecialColumn ? 1.8f : 1);
-                        else
-                            width = 60 * (isSpecialColumn ? 2 : 1);
+                        float width = 60 * (isSpecialColumn ? 2 : 1);

                        return SkinUtils.As<TValue>(new Bindable<float>(width));

@@ -34,7 +34,9 @@ namespace osu.Game.Rulesets.Mania.Skinning.Legacy
                FallbackColumnIndex = "S";
            else
            {
-                int distanceToEdge = Math.Min(Column.Index, (stage.Columns - 1) - Column.Index);
+                // Account for cases like dual-stage (assume that all stages have the same column count for now).
+                int columnInStage = Column.Index % stage.Columns;
+                int distanceToEdge = Math.Min(columnInStage, (stage.Columns - 1) - columnInStage);
                FallbackColumnIndex = distanceToEdge % 2 == 0 ? "1" : "2";
            }
        }
@@ -109,7 +109,6 @@ namespace osu.Game.Rulesets.Mania.UI
            TopLevelContainer.Add(HitObjectArea.Explosions.CreateProxy());

            RegisterPool<Note, DrawableNote>(10, 50);
-            RegisterPool<NotePerfectBonus, DrawableNotePerfectBonus>(10, 50);
            RegisterPool<HoldNote, DrawableHoldNote>(10, 50);
            RegisterPool<HeadNote, DrawableHoldNoteHead>(10, 50);
            RegisterPool<TailNote, DrawableHoldNoteTail>(10, 50);
@@ -3,14 +3,17 @@

 #nullable disable

+using System;
 using System.Collections.Generic;
 using System.Linq;
+using osu.Framework;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Game.Rulesets.Mania.Beatmaps;
 using osu.Game.Rulesets.Mania.Skinning;
 using osu.Game.Skinning;
+using osuTK;

 namespace osu.Game.Rulesets.Mania.UI
 {
@@ -60,6 +63,12 @@ namespace osu.Game.Rulesets.Mania.UI
            onSkinChanged();
        }

+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+            updateMobileSizing();
+        }
+
        private void onSkinChanged()
        {
            for (int i = 0; i < stageDefinition.Columns; i++)
@@ -77,12 +86,15 @@ namespace osu.Game.Rulesets.Mania.UI
                                              new ManiaSkinConfigurationLookup(LegacyManiaSkinConfigurationLookups.ColumnWidth, i))
                                          ?.Value;

-                if (width == null)
-                    // only used by default skin (legacy skins get defaults set in LegacyManiaSkinConfiguration)
-                    columns[i].Width = stageDefinition.IsSpecialColumn(i) ? Column.SPECIAL_COLUMN_WIDTH : Column.COLUMN_WIDTH;
-                else
-                    columns[i].Width = width.Value;
+                bool isSpecialColumn = stageDefinition.IsSpecialColumn(i);
+
+                // only used by default skin (legacy skins get defaults set in LegacyManiaSkinConfiguration)
+                width ??= isSpecialColumn ? Column.SPECIAL_COLUMN_WIDTH : Column.COLUMN_WIDTH;
+
+                columns[i].Width = width.Value;
            }
+
+            updateMobileSizing();
        }

        /// <summary>
@@ -92,10 +104,29 @@ namespace osu.Game.Rulesets.Mania.UI
        /// <param name="content">The content.</param>
        public void SetContentForColumn(int column, TContent content) => columns[column].Child = content;

-        public new MarginPadding Padding
+        private void updateMobileSizing()
        {
-            get => base.Padding;
-            set => base.Padding = value;
+            if (!IsLoaded || !RuntimeInfo.IsMobile)
+                return;
+
+            // GridContainer+CellContainer containing this stage (gets split up for dual stages).
+            Vector2? containingCell = this.FindClosestParent<Stage>()?.Parent?.DrawSize;
+
+            // Will be null in tests.
+            if (containingCell == null)
+                return;
+
+            float aspectRatio = containingCell.Value.X / containingCell.Value.Y;
+
+            // 2.83 is a mostly arbitrary scale-up (170 / 60, based on original implementation for argon)
+            float mobileAdjust = 2.83f * Math.Min(1, 7f / stageDefinition.Columns);
+            // 1.92 is a "reference" mobile screen aspect ratio for phones.
+            // We should scale it back for cases like tablets which aren't so extreme.
+            mobileAdjust *= aspectRatio / 1.92f;
+
+            // Best effort until we have better mobile support.
+            for (int i = 0; i < stageDefinition.Columns; i++)
+                columns[i].Width *= mobileAdjust;
        }

        protected override void Dispose(bool isDisposing)
@@ -19,12 +19,14 @@ using osu.Game.Rulesets.Mania.Beatmaps;
 using osu.Game.Rulesets.Mania.Configuration;
 using osu.Game.Rulesets.Mania.Objects;
 using osu.Game.Rulesets.Mania.Replays;
+using osu.Game.Rulesets.Mania.Skinning;
 using osu.Game.Rulesets.Mods;
 using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.UI;
 using osu.Game.Rulesets.UI.Scrolling;
 using osu.Game.Scoring;
+using osu.Game.Skinning;

 namespace osu.Game.Rulesets.Mania.UI
 {
@@ -57,6 +59,9 @@ namespace osu.Game.Rulesets.Mania.UI
        // Stores the current speed adjustment active in gameplay.
        private readonly Track speedAdjustmentTrack = new TrackVirtual(0);

+        [Resolved]
+        private ISkinSource skin { get; set; }
+
        public DrawableManiaRuleset(Ruleset ruleset, IBeatmap beatmap, IReadOnlyList<Mod> mods = null)
            : base(ruleset, beatmap, mods)
        {
@@ -104,7 +109,20 @@ namespace osu.Game.Rulesets.Mania.UI
            updateTimeRange();
        }

-        private void updateTimeRange() => TimeRange.Value = smoothTimeRange * speedAdjustmentTrack.AggregateTempo.Value * speedAdjustmentTrack.AggregateFrequency.Value;
+        private void updateTimeRange()
+        {
+            float hitPosition = skin.GetConfig<ManiaSkinConfigurationLookup, float>(
+                                    new ManiaSkinConfigurationLookup(LegacyManiaSkinConfigurationLookups.HitPosition))?.Value
+                                ?? Stage.HIT_TARGET_POSITION;
+
+            const float length_to_default_hit_position = 768 - LegacyManiaSkinConfiguration.DEFAULT_HIT_POSITION;
+            float lengthToHitPosition = 768 - hitPosition;
+
+            // This scaling factor preserves the scroll speed as the scroll length varies from changes to the hit position.
+            float scale = lengthToHitPosition / length_to_default_hit_position;
+
+            TimeRange.Value = smoothTimeRange * speedAdjustmentTrack.AggregateTempo.Value * speedAdjustmentTrack.AggregateFrequency.Value * scale;
+        }

        /// <summary>
        /// Computes a scroll time (in milliseconds) from a scroll speed in the range of 1-40.
@@ -1,22 +1,23 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.

-#nullable disable
-
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using osu.Framework.Allocation;
+using osu.Framework.Extensions.ObjectExtensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
-using osu.Framework.Graphics.Pooling;
 using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Mania.Beatmaps;
 using osu.Game.Rulesets.Mania.Objects;
 using osu.Game.Rulesets.Mania.Objects.Drawables;
+using osu.Game.Rulesets.Mania.Scoring;
 using osu.Game.Rulesets.Mania.Skinning;
 using osu.Game.Rulesets.Mania.UI.Components;
 using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Objects.Drawables;
+using osu.Game.Rulesets.Scoring;
 using osu.Game.Rulesets.UI;
 using osu.Game.Rulesets.UI.Scrolling;
 using osu.Game.Skinning;
@@ -40,7 +41,7 @@ namespace osu.Game.Rulesets.Mania.UI
        private readonly ColumnFlow<Column> columnFlow;

        private readonly JudgementContainer<DrawableManiaJudgement> judgements;
-        private readonly DrawablePool<DrawableManiaJudgement> judgementPool;
+        private readonly JudgementPooler<DrawableManiaJudgement> judgementPooler;

        private readonly Drawable barLineContainer;

@@ -48,6 +49,8 @@ namespace osu.Game.Rulesets.Mania.UI

        private readonly int firstColumnIndex;

+        private ISkinSource currentSkin = null!;
+
        public Stage(int firstColumnIndex, StageDefinition definition, ref ManiaAction normalColumnStartAction, ref ManiaAction specialColumnStartAction)
        {
            this.firstColumnIndex = firstColumnIndex;
@@ -65,7 +68,6 @@ namespace osu.Game.Rulesets.Mania.UI

            InternalChildren = new Drawable[]
            {
-                judgementPool = new DrawablePool<DrawableManiaJudgement>(2),
                new Container
                {
                    Anchor = Anchor.TopCentre,
@@ -104,7 +106,7 @@ namespace osu.Game.Rulesets.Mania.UI
                        {
                            RelativeSizeAxes = Axes.Y,
                        },
-                        new SkinnableDrawable(new ManiaSkinComponentLookup(ManiaSkinComponents.StageForeground), _ => null)
+                        new SkinnableDrawable(new ManiaSkinComponentLookup(ManiaSkinComponents.StageForeground))
                        {
                            RelativeSizeAxes = Axes.Both
                        },
@@ -137,11 +139,13 @@ namespace osu.Game.Rulesets.Mania.UI
                AddNested(column);
            }

+            var hitWindows = new ManiaHitWindows();
+
+            AddInternal(judgementPooler = new JudgementPooler<DrawableManiaJudgement>(Enum.GetValues<HitResult>().Where(r => hitWindows.IsHitResultAllowed(r))));
+
            RegisterPool<BarLine, DrawableBarLine>(50, 200);
        }

-        private ISkinSource currentSkin;
-
        [BackgroundDependencyLoader]
        private void load(ISkinSource skin)
        {
@@ -170,7 +174,7 @@ namespace osu.Game.Rulesets.Mania.UI

            base.Dispose(isDisposing);

-            if (currentSkin != null)
+            if (currentSkin.IsNotNull())
                currentSkin.SourceChanged -= onSkinChanged;
        }

@@ -196,13 +200,13 @@ namespace osu.Game.Rulesets.Mania.UI
                return;

            judgements.Clear(false);
-            judgements.Add(judgementPool.Get(j =>
+            judgements.Add(judgementPooler.Get(result.Type, j =>
            {
                j.Apply(result, judgedObject);

                j.Anchor = Anchor.Centre;
                j.Origin = Anchor.Centre;
-            }));
+            })!);
        }

        protected override void Update()
@@ -1,8 +1,18 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.

+using System.Collections.Generic;
+using System.Linq;
 using NUnit.Framework;
+using osu.Framework.Testing;
+using osu.Game.Rulesets.Mods;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Osu.Beatmaps;
 using osu.Game.Rulesets.Osu.Mods;
+using osu.Game.Rulesets.Osu.Objects;
+using osu.Game.Rulesets.Osu.Replays;
+using osu.Game.Rulesets.Replays;
+using osuTK;

 namespace osu.Game.Rulesets.Osu.Tests.Mods
 {
@@ -21,5 +31,129 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods

        [Test]
        public void TestComboBasedSize([Values] bool comboBasedSize) => CreateModTest(new ModTestData { Mod = new OsuModFlashlight { ComboBasedSize = { Value = comboBasedSize } }, PassCondition = () => true });
+
+        [Test]
+        public void TestSliderDimsOnlyAfterStartTime()
+        {
+            bool sliderDimmedBeforeStartTime = false;
+
+            CreateModTest(new ModTestData
+            {
+                Mod = new OsuModFlashlight(),
+                PassCondition = () =>
+                {
+                    sliderDimmedBeforeStartTime |=
+                        Player.GameplayClockContainer.CurrentTime < 1000 && Player.ChildrenOfType<ModFlashlight<OsuHitObject>.Flashlight>().Single().FlashlightDim > 0;
+                    return Player.GameplayState.HasPassed && !sliderDimmedBeforeStartTime;
+                },
+                Beatmap = new OsuBeatmap
+                {
+                    HitObjects = new List<OsuHitObject>
+                    {
+                        new HitCircle { StartTime = 0, },
+                        new Slider
+                        {
+                            StartTime = 1000,
+                            Path = new SliderPath(new[]
+                            {
+                                new PathControlPoint(),
+                                new PathControlPoint(new Vector2(100))
+                            })
+                        }
+                    },
+                    BeatmapInfo =
+                    {
+                        StackLeniency = 0,
+                    }
+                },
+                ReplayFrames = new List<ReplayFrame>
+                {
+                    new OsuReplayFrame(0, new Vector2(), OsuAction.LeftButton),
+                    new OsuReplayFrame(990, new Vector2()),
+                    new OsuReplayFrame(1000, new Vector2(), OsuAction.LeftButton),
+                    new OsuReplayFrame(2000, new Vector2(100), OsuAction.LeftButton),
+                    new OsuReplayFrame(2001, new Vector2(100)),
+                },
+                Autoplay = false,
+            });
+        }
+
+        [Test]
+        public void TestSliderDoesDimAfterStartTimeIfHitEarly()
+        {
+            bool sliderDimmed = false;
+
+            CreateModTest(new ModTestData
+            {
+                Mod = new OsuModFlashlight(),
+                PassCondition = () =>
+                {
+                    sliderDimmed |=
+                        Player.GameplayClockContainer.CurrentTime >= 1000 && Player.ChildrenOfType<ModFlashlight<OsuHitObject>.Flashlight>().Single().FlashlightDim > 0;
+                    return Player.GameplayState.HasPassed && sliderDimmed;
+                },
+                Beatmap = new OsuBeatmap
+                {
+                    HitObjects = new List<OsuHitObject>
+                    {
+                        new Slider
+                        {
+                            StartTime = 1000,
+                            Path = new SliderPath(new[]
+                            {
+                                new PathControlPoint(),
+                                new PathControlPoint(new Vector2(100))
+                            })
+                        }
+                    },
+                },
+                ReplayFrames = new List<ReplayFrame>
+                {
+                    new OsuReplayFrame(990, new Vector2(), OsuAction.LeftButton),
+                    new OsuReplayFrame(2000, new Vector2(100), OsuAction.LeftButton),
+                    new OsuReplayFrame(2001, new Vector2(100)),
+                },
+                Autoplay = false,
+            });
+        }
+
+        [Test]
+        public void TestSliderDoesDimAfterStartTimeIfHitLate()
+        {
+            bool sliderDimmed = false;
+
+            CreateModTest(new ModTestData
+            {
+                Mod = new OsuModFlashlight(),
+                PassCondition = () =>
+                {
+                    sliderDimmed |=
+                        Player.GameplayClockContainer.CurrentTime >= 1000 && Player.ChildrenOfType<ModFlashlight<OsuHitObject>.Flashlight>().Single().FlashlightDim > 0;
+                    return Player.GameplayState.HasPassed && sliderDimmed;
+                },
+                Beatmap = new OsuBeatmap
+                {
+                    HitObjects = new List<OsuHitObject>
+                    {
+                        new Slider
+                        {
+                            StartTime = 1000,
+                            Path = new SliderPath(new[]
+                            {
+                                new PathControlPoint(),
+                                new PathControlPoint(new Vector2(100))
+                            })
+                        }
+                    },
+                },
+                ReplayFrames = new List<ReplayFrame>
+                {
+                    new OsuReplayFrame(1100, new Vector2(), OsuAction.LeftButton),
+                    new OsuReplayFrame(2000, new Vector2(100), OsuAction.LeftButton),
+                    new OsuReplayFrame(2001, new Vector2(100)),
+                },
+                Autoplay = false,
+            });
+        }
    }
 }
@@ -1,17 +1,21 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.

+using System.Collections.Generic;
 using NUnit.Framework;
+using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Objects.Types;
 using osu.Game.Rulesets.Osu.Mods;
 using osu.Game.Rulesets.Osu.Objects;
+using osu.Game.Rulesets.Osu.Replays;
+using osu.Game.Rulesets.Replays;
 using osu.Game.Tests.Visual;
 using osuTK;

 namespace osu.Game.Rulesets.Osu.Tests.Mods
 {
-    public partial class TestSceneOsuModPerfect : ModPerfectTestScene
+    public partial class TestSceneOsuModPerfect : ModFailConditionTestScene
    {
        protected override Ruleset CreatePlayerRuleset() => new OsuRuleset();

@@ -50,5 +54,30 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods

            CreateHitObjectTest(new HitObjectTestData(spinner), shouldMiss);
        }
+
+        [Test]
+        public void TestMissSliderTail() => CreateModTest(new ModTestData
+        {
+            Mod = new OsuModPerfect(),
+            PassCondition = () => ((ModFailConditionTestPlayer)Player).CheckFailed(true),
+            Autoplay = false,
+            Beatmap = new Beatmap
+            {
+                HitObjects = new List<HitObject>
+                {
+                    new Slider
+                    {
+                        Position = new Vector2(256, 192),
+                        StartTime = 1000,
+                        Path = new SliderPath(PathType.LINEAR, new[] { Vector2.Zero, new Vector2(100, 0), })
+                    },
+                },
+            },
+            ReplayFrames = new List<ReplayFrame>
+            {
+                new OsuReplayFrame(1000, new Vector2(256, 192), OsuAction.LeftButton),
+                new OsuReplayFrame(1001, new Vector2(256, 192)),
+            }
+        });
    }
 }
@@ -0,0 +1,53 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System.Collections.Generic;
+using NUnit.Framework;
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Osu.Mods;
+using osu.Game.Rulesets.Osu.Objects;
+using osu.Game.Rulesets.Osu.Replays;
+using osu.Game.Rulesets.Replays;
+using osuTK;
+
+namespace osu.Game.Rulesets.Osu.Tests.Mods
+{
+    public partial class TestSceneOsuModStrictTracking : OsuModTestScene
+    {
+        [Test]
+        public void TestSliderInput() => CreateModTest(new ModTestData
+        {
+            Mod = new OsuModStrictTracking(),
+            Autoplay = false,
+            Beatmap = new Beatmap
+            {
+                HitObjects = new List<HitObject>
+                {
+                    new Slider
+                    {
+                        StartTime = 1000,
+                        Path = new SliderPath
+                        {
+                            ControlPoints =
+                            {
+                                new PathControlPoint(),
+                                new PathControlPoint(new Vector2(0, 100))
+                            }
+                        }
+                    }
+                }
+            },
+            ReplayFrames = new List<ReplayFrame>
+            {
+                new OsuReplayFrame(0, new Vector2(), OsuAction.LeftButton),
+                new OsuReplayFrame(500, new Vector2(200, 0), OsuAction.LeftButton),
+                new OsuReplayFrame(501, new Vector2(200, 0)),
+                new OsuReplayFrame(1000, new Vector2(), OsuAction.LeftButton),
+                new OsuReplayFrame(1750, new Vector2(0, 100), OsuAction.LeftButton),
+                new OsuReplayFrame(1751, new Vector2(0, 100)),
+            },
+            PassCondition = () => Player.ScoreProcessor.Combo.Value == 2
+        });
+    }
+}
@@ -0,0 +1,77 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System.Collections.Generic;
+using NUnit.Framework;
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Objects.Types;
+using osu.Game.Rulesets.Osu.Mods;
+using osu.Game.Rulesets.Osu.Objects;
+using osu.Game.Rulesets.Osu.Replays;
+using osu.Game.Rulesets.Replays;
+using osu.Game.Tests.Visual;
+using osuTK;
+
+namespace osu.Game.Rulesets.Osu.Tests.Mods
+{
+    public partial class TestSceneOsuModSuddenDeath : ModFailConditionTestScene
+    {
+        protected override Ruleset CreatePlayerRuleset() => new OsuRuleset();
+
+        public TestSceneOsuModSuddenDeath()
+            : base(new OsuModSuddenDeath())
+        {
+        }
+
+        [Test]
+        public void TestMissTail() => CreateModTest(new ModTestData
+        {
+            Mod = new OsuModSuddenDeath(),
+            PassCondition = () => ((ModFailConditionTestPlayer)Player).CheckFailed(false),
+            Autoplay = false,
+            Beatmap = new Beatmap
+            {
+                HitObjects = new List<HitObject>
+                {
+                    new Slider
+                    {
+                        Position = new Vector2(256, 192),
+                        StartTime = 1000,
+                        Path = new SliderPath(PathType.LINEAR, new[] { Vector2.Zero, new Vector2(100, 0), })
+                    },
+                },
+            },
+            ReplayFrames = new List<ReplayFrame>
+            {
+                new OsuReplayFrame(1000, new Vector2(256, 192), OsuAction.LeftButton),
+                new OsuReplayFrame(1001, new Vector2(256, 192)),
+            }
+        });
+
+        [Test]
+        public void TestMissTick() => CreateModTest(new ModTestData
+        {
+            Mod = new OsuModSuddenDeath(),
+            PassCondition = () => ((ModFailConditionTestPlayer)Player).CheckFailed(true),
+            Autoplay = false,
+            Beatmap = new Beatmap
+            {
+                HitObjects = new List<HitObject>
+                {
+                    new Slider
+                    {
+                        Position = new Vector2(256, 192),
+                        StartTime = 1000,
+                        Path = new SliderPath(PathType.LINEAR, new[] { Vector2.Zero, new Vector2(200, 0), })
+                    },
+                },
+            },
+            ReplayFrames = new List<ReplayFrame>
+            {
+                new OsuReplayFrame(1000, new Vector2(256, 192), OsuAction.LeftButton),
+                new OsuReplayFrame(1001, new Vector2(256, 192)),
+            }
+        });
+    }
+}
@@ -51,7 +51,6 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
        public void TestUserAlreadyHasTouchDeviceActive()
        {
            loadPlayer();
-            // it is presumed that a previous screen (i.e. song select) will set this up
            AddStep("set up touchscreen user", () =>
            {
                currentPlayer.Score.ScoreInfo.Mods = currentPlayer.Score.ScoreInfo.Mods.Append(new OsuModTouchDevice()).ToArray();
@@ -69,6 +68,14 @@ namespace osu.Game.Rulesets.Osu.Tests.Mods
            AddAssert("touch device mod activated", () => currentPlayer.Score.ScoreInfo.Mods, () => Has.One.InstanceOf<OsuModTouchDevice>());
        }

+        [Test]
+        public void TestTouchActivePriorToPlayerLoad()
+        {
+            AddStep("set touch input active", () => statics.SetValue(Static.TouchInputActive, true));
+            loadPlayer();
+            AddUntilStep("touch device mod activated", () => currentPlayer.Score.ScoreInfo.Mods, () => Has.One.InstanceOf<OsuModTouchDevice>());
+        }
+
        [Test]
        public void TestTouchDuringBreak()
        {
@@ -0,0 +1,65 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System.Collections.Generic;
+using NUnit.Framework;
+using osu.Game.Beatmaps;
+
+namespace osu.Game.Rulesets.Osu.Tests
+{
+    [TestFixture]
+    public class OsuRateAdjustedDisplayDifficultyTest
+    {
+        private static IEnumerable<float> difficultyValuesToTest()
+        {
+            for (float i = 0; i <= 10; i += 0.5f)
+                yield return i;
+        }
+
+        [TestCaseSource(nameof(difficultyValuesToTest))]
+        public void TestApproachRateIsUnchangedWithRateEqualToOne(float originalApproachRate)
+        {
+            var ruleset = new OsuRuleset();
+            var difficulty = new BeatmapDifficulty { ApproachRate = originalApproachRate };
+
+            var adjustedDifficulty = ruleset.GetRateAdjustedDisplayDifficulty(difficulty, 1);
+
+            Assert.That(adjustedDifficulty.ApproachRate, Is.EqualTo(originalApproachRate));
+        }
+
+        [TestCaseSource(nameof(difficultyValuesToTest))]
+        public void TestOverallDifficultyIsUnchangedWithRateEqualToOne(float originalOverallDifficulty)
+        {
+            var ruleset = new OsuRuleset();
+            var difficulty = new BeatmapDifficulty { OverallDifficulty = originalOverallDifficulty };
+
+            var adjustedDifficulty = ruleset.GetRateAdjustedDisplayDifficulty(difficulty, 1);
+
+            Assert.That(adjustedDifficulty.OverallDifficulty, Is.EqualTo(originalOverallDifficulty));
+        }
+
+        [Test]
+        public void TestRateBelowOne()
+        {
+            var ruleset = new OsuRuleset();
+            var difficulty = new BeatmapDifficulty();
+
+            var adjustedDifficulty = ruleset.GetRateAdjustedDisplayDifficulty(difficulty, 0.75);
+
+            Assert.That(adjustedDifficulty.ApproachRate, Is.EqualTo(1.67).Within(0.01));
+            Assert.That(adjustedDifficulty.OverallDifficulty, Is.EqualTo(2.22).Within(0.01));
+        }
+
+        [Test]
+        public void TestRateAboveOne()
+        {
+            var ruleset = new OsuRuleset();
+            var difficulty = new BeatmapDifficulty();
+
+            var adjustedDifficulty = ruleset.GetRateAdjustedDisplayDifficulty(difficulty, 1.5);
+
+            Assert.That(adjustedDifficulty.ApproachRate, Is.EqualTo(7.67).Within(0.01));
+            Assert.That(adjustedDifficulty.OverallDifficulty, Is.EqualTo(7.77).Within(0.01));
+        }
+    }
+}
@@ -25,16 +25,16 @@ namespace osu.Game.Rulesets.Osu.Tests
        [Resolved]
        private OsuConfigManager config { get; set; } = null!;

-        private readonly List<DrawablePool<TestDrawableOsuJudgement>> pools;
+        private readonly List<DrawablePool<TestDrawableOsuJudgement>> pools = new List<DrawablePool<TestDrawableOsuJudgement>>();

-        public TestSceneDrawableJudgement()
+        [TestCaseSource(nameof(validResults))]
+        public void Test(HitResult result)
        {
-            pools = new List<DrawablePool<TestDrawableOsuJudgement>>();
-
-            foreach (HitResult result in Enum.GetValues(typeof(HitResult)).OfType<HitResult>().Skip(1))
-                showResult(result);
+            showResult(result);
        }

+        private static IEnumerable<HitResult> validResults => Enum.GetValues<HitResult>().Skip(1);
+
        [Test]
        public void TestHitLightingDisabled()
        {
@@ -72,32 +72,33 @@ namespace osu.Game.Rulesets.Osu.Tests
                        pools.Add(pool = new DrawablePool<TestDrawableOsuJudgement>(1));
                    else
                    {
-                        pool = pools[poolIndex];
-
                        // We need to make sure neither the pool nor the judgement get disposed when new content is set, and they both share the same parent.
+                        pool = pools[poolIndex];
                        ((Container)pool.Parent!).Clear(false);
                    }

                    var container = new Container
                    {
                        RelativeSizeAxes = Axes.Both,
-                        Children = new Drawable[]
-                        {
-                            pool,
-                            pool.Get(j => j.Apply(new JudgementResult(new HitObject
-                            {
-                                StartTime = Time.Current
-                            }, new Judgement())
-                            {
-                                Type = result,
-                            }, null)).With(j =>
-                            {
-                                j.Anchor = Anchor.Centre;
-                                j.Origin = Anchor.Centre;
-                            })
-                        }
+                        Child = pool,
                    };

+                    // Must be scheduled so the pool is loaded before we try and retrieve from it.
+                    Schedule(() =>
+                    {
+                        container.Add(pool.Get(j => j.Apply(new JudgementResult(new HitObject
+                        {
+                            StartTime = Time.Current
+                        }, new Judgement())
+                        {
+                            Type = result,
+                        }, null)).With(j =>
+                        {
+                            j.Anchor = Anchor.Centre;
+                            j.Origin = Anchor.Centre;
+                        }));
+                    });
+
                    poolIndex++;
                    return container;
                });
@@ -10,12 +10,12 @@ using osu.Game.Rulesets.Osu.Scoring;
 namespace osu.Game.Rulesets.Osu.Tests
 {
    [TestFixture]
-    public class TestSceneOsuHealthProcessor
+    public class TestSceneOsuLegacyHealthProcessor
    {
        [Test]
        public void TestNoBreak()
        {
-            OsuHealthProcessor hp = new OsuHealthProcessor(-1000);
+            OsuLegacyHealthProcessor hp = new OsuLegacyHealthProcessor(-1000);
            hp.ApplyBeatmap(new Beatmap<OsuHitObject>
            {
                HitObjects =
@@ -31,7 +31,7 @@ namespace osu.Game.Rulesets.Osu.Tests
        [Test]
        public void TestSingleBreak()
        {
-            OsuHealthProcessor hp = new OsuHealthProcessor(-1000);
+            OsuLegacyHealthProcessor hp = new OsuLegacyHealthProcessor(-1000);
            hp.ApplyBeatmap(new Beatmap<OsuHitObject>
            {
                HitObjects =
@@ -51,7 +51,7 @@ namespace osu.Game.Rulesets.Osu.Tests
        [Test]
        public void TestOverlappingBreak()
        {
-            OsuHealthProcessor hp = new OsuHealthProcessor(-1000);
+            OsuLegacyHealthProcessor hp = new OsuLegacyHealthProcessor(-1000);
            hp.ApplyBeatmap(new Beatmap<OsuHitObject>
            {
                HitObjects =
@@ -72,7 +72,7 @@ namespace osu.Game.Rulesets.Osu.Tests
        [Test]
        public void TestSequentialBreak()
        {
-            OsuHealthProcessor hp = new OsuHealthProcessor(-1000);
+            OsuLegacyHealthProcessor hp = new OsuLegacyHealthProcessor(-1000);
            hp.ApplyBeatmap(new Beatmap<OsuHitObject>
            {
                HitObjects =
@@ -32,7 +32,7 @@ namespace osu.Game.Rulesets.Osu.Tests
        {
            DrawableSlider dho = null;

-            AddStep("create slider", () => Child = dho = new DrawableSlider(prepareObject(new Slider
+            AddStep("create slider", () => Child = dho = new DrawableSlider(applyDefaults(new Slider
            {
                Position = new Vector2(256, 192),
                IndexInCurrentCombo = 0,
@@ -47,7 +47,7 @@ namespace osu.Game.Rulesets.Osu.Tests

            AddWaitStep("wait for progression", 1);

-            AddStep("apply new slider", () => dho.Apply(prepareObject(new Slider
+            AddStep("apply new slider", () => dho.Apply(applyDefaults(new Slider
            {
                Position = new Vector2(256, 192),
                ComboIndex = 1,
@@ -75,7 +75,7 @@ namespace osu.Game.Rulesets.Osu.Tests
                Child = new SkinProvidingContainer(provider)
                {
                    RelativeSizeAxes = Axes.Both,
-                    Child = dho = new DrawableSlider(prepareObject(new Slider
+                    Child = dho = new DrawableSlider(applyDefaults(new Slider
                    {
                        Position = new Vector2(256, 192),
                        IndexInCurrentCombo = 0,
@@ -97,7 +97,38 @@ namespace osu.Game.Rulesets.Osu.Tests
            AddAssert("ball is red", () => dho.ChildrenOfType<LegacySliderBall>().Single().BallColour == Color4.Red);
        }

-        private Slider prepareObject(Slider slider)
+        [Test]
+        public void TestIncreaseRepeatCount()
+        {
+            DrawableSlider dho = null;
+
+            AddStep("create slider", () =>
+            {
+                Child = dho = new DrawableSlider(applyDefaults(new Slider
+                {
+                    Position = new Vector2(256, 192),
+                    IndexInCurrentCombo = 0,
+                    StartTime = Time.Current,
+                    Path = new SliderPath(PathType.LINEAR, new[]
+                    {
+                        Vector2.Zero,
+                        new Vector2(150, 100),
+                        new Vector2(300, 0),
+                    })
+                }));
+            });
+
+            AddStep("increase repeat count", () =>
+            {
+                dho.HitObject.RepeatCount++;
+                applyDefaults(dho.HitObject);
+            });
+
+            AddAssert("repeat got custom anchor", () =>
+                dho.ChildrenOfType<DrawableSliderRepeat>().Single().RelativeAnchorPosition == Vector2.Divide(dho.SliderBody!.PathOffset, dho.DrawSize));
+        }
+
+        private Slider applyDefaults(Slider slider)
        {
            slider.ApplyDefaults(new ControlPointInfo(), new BeatmapDifficulty());
            return slider;
@@ -0,0 +1,229 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using NUnit.Framework;
+using osu.Framework.Screens;
+using osu.Game.Audio;
+using osu.Game.Beatmaps;
+using osu.Game.Replays;
+using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Objects.Types;
+using osu.Game.Rulesets.Osu.Objects;
+using osu.Game.Rulesets.Osu.Replays;
+using osu.Game.Rulesets.Replays;
+using osu.Game.Rulesets.Scoring;
+using osu.Game.Scoring;
+using osu.Game.Screens.Play;
+using osu.Game.Tests.Visual;
+using osuTK;
+
+namespace osu.Game.Rulesets.Osu.Tests
+{
+    public partial class TestSceneSliderEarlyHitJudgement : RateAdjustedBeatmapTestScene
+    {
+        private const double time_slider_start = 1000;
+        private const double time_slider_end = 3000;
+
+        private static readonly Vector2 slider_start_position = new Vector2(256 - slider_path_length / 2, 192);
+        private static readonly Vector2 slider_end_position = new Vector2(256 + slider_path_length / 2, 192);
+        private static readonly Vector2 offset_inside_follow = new Vector2(35, 0);
+        private static readonly Vector2 offset_outside_follow = offset_inside_follow * 2;
+
+        private ScoreAccessibleReplayPlayer currentPlayer = null!;
+
+        private const float slider_path_length = 200;
+
+        private readonly List<JudgementResult> judgementResults = new List<JudgementResult>();
+
+        [Test]
+        public void TestHitEarlyMoveIntoFollowRegion()
+        {
+            performTest(new List<ReplayFrame>
+            {
+                new OsuReplayFrame(time_slider_start - 150, slider_start_position, OsuAction.LeftButton),
+                new OsuReplayFrame(time_slider_start - 100, slider_start_position + offset_inside_follow, OsuAction.LeftButton),
+                new OsuReplayFrame(time_slider_end - 100, slider_end_position + offset_inside_follow, OsuAction.LeftButton),
+            });
+
+            assertHeadJudgement(HitResult.Meh);
+            assertTickJudgement(HitResult.LargeTickHit);
+            assertTailJudgement(HitResult.SliderTailHit);
+            assertSliderJudgement(HitResult.IgnoreHit);
+        }
+
+        [Test]
+        public void TestHitEarlyAndReleaseInFollowRegion()
+        {
+            performTest(new List<ReplayFrame>
+            {
+                new OsuReplayFrame(time_slider_start - 150, slider_start_position, OsuAction.LeftButton),
+                new OsuReplayFrame(time_slider_start - 100, slider_start_position + offset_inside_follow, OsuAction.LeftButton),
+                new OsuReplayFrame(time_slider_start - 50, slider_start_position + offset_inside_follow),
+                new OsuReplayFrame(time_slider_end - 50, slider_end_position + offset_inside_follow, OsuAction.LeftButton),
+            });
+
+            assertHeadJudgement(HitResult.Meh);
+            assertTickJudgement(HitResult.LargeTickMiss);
+            assertTailJudgement(HitResult.IgnoreMiss);
+            assertSliderJudgement(HitResult.IgnoreHit);
+        }
+
+        [Test]
+        public void TestHitEarlyAndRepressInFollowRegion()
+        {
+            performTest(new List<ReplayFrame>
+            {
+                new OsuReplayFrame(time_slider_start - 150, slider_start_position, OsuAction.LeftButton),
+                new OsuReplayFrame(time_slider_start - 100, slider_start_position + offset_inside_follow, OsuAction.LeftButton),
+                new OsuReplayFrame(time_slider_start - 75, slider_start_position + offset_inside_follow),
+                new OsuReplayFrame(time_slider_start - 50, slider_start_position + offset_inside_follow, OsuAction.LeftButton),
+                new OsuReplayFrame(time_slider_end - 50, slider_end_position + offset_inside_follow, OsuAction.LeftButton),
+            });
+
+            assertHeadJudgement(HitResult.Meh);
+            assertTickJudgement(HitResult.LargeTickMiss);
+            assertTailJudgement(HitResult.IgnoreMiss);
+            assertSliderJudgement(HitResult.IgnoreHit);
+        }
+
+        [Test]
+        public void TestHitEarlyMoveOutsideFollowRegion()
+        {
+            performTest(new List<ReplayFrame>
+            {
+                new OsuReplayFrame(time_slider_start - 150, slider_start_position, OsuAction.LeftButton),
+                new OsuReplayFrame(time_slider_start - 100, slider_start_position + offset_outside_follow, OsuAction.LeftButton),
+                new OsuReplayFrame(time_slider_end - 100, slider_end_position + offset_outside_follow, OsuAction.LeftButton),
+            });
+
+            assertHeadJudgement(HitResult.Meh);
+            assertTickJudgement(HitResult.LargeTickMiss);
+            assertTailJudgement(HitResult.IgnoreMiss);
+            assertSliderJudgement(HitResult.IgnoreHit);
+        }
+
+        private void assertHeadJudgement(HitResult result)
+        {
+            AddAssert(
+                "check head result",
+                () => judgementResults.SingleOrDefault(r => r.HitObject is SliderHeadCircle)?.Type,
+                () => Is.EqualTo(result));
+        }
+
+        private void assertTickJudgement(HitResult result)
+        {
+            AddAssert(
+                "check tick result",
+                () => judgementResults.SingleOrDefault(r => r.HitObject is SliderTick)?.Type,
+                () => Is.EqualTo(result));
+        }
+
+        private void assertRepeatJudgement(HitResult result)
+        {
+            AddAssert(
+                "check tick result",
+                () => judgementResults.SingleOrDefault(r => r.HitObject is SliderRepeat)?.Type,
+                () => Is.EqualTo(result));
+        }
+
+        private void assertTailJudgement(HitResult result)
+        {
+            AddAssert(
+                "check tail result",
+                () => judgementResults.SingleOrDefault(r => r.HitObject is SliderTailCircle)?.Type,
+                () => Is.EqualTo(result));
+        }
+
+        private void assertSliderJudgement(HitResult result)
+        {
+            AddAssert(
+                "check slider result",
+                () => judgementResults.SingleOrDefault(r => r.HitObject is Slider)?.Type,
+                () => Is.EqualTo(result));
+        }
+
+        private Vector2 computePositionFromTime(double time)
+        {
+            Vector2 dist = slider_end_position - slider_start_position;
+            double t = (time - time_slider_start) / (time_slider_end - time_slider_start);
+            return slider_start_position + dist * (float)t;
+        }
+
+        private void performTest(List<ReplayFrame> frames, Action<Slider>? adjustSliderFunc = null, bool classic = false)
+        {
+            Slider slider = new Slider
+            {
+                StartTime = time_slider_start,
+                Position = new Vector2(256 - slider_path_length / 2, 192),
+                TickDistanceMultiplier = 3,
+                ClassicSliderBehaviour = classic,
+                Samples = new[]
+                {
+                    new HitSampleInfo(HitSampleInfo.HIT_NORMAL)
+                },
+                Path = new SliderPath(PathType.LINEAR, new[]
+                {
+                    Vector2.Zero,
+                    new Vector2(slider_path_length, 0),
+                }, slider_path_length),
+            };
+
+            adjustSliderFunc?.Invoke(slider);
+
+            AddStep("load player", () =>
+            {
+                Beatmap.Value = CreateWorkingBeatmap(new Beatmap<OsuHitObject>
+                {
+                    HitObjects = { slider },
+                    BeatmapInfo =
+                    {
+                        Difficulty = new BeatmapDifficulty
+                        {
+                            SliderMultiplier = 1,
+                            SliderTickRate = 3,
+                            OverallDifficulty = 0
+                        },
+                        Ruleset = new OsuRuleset().RulesetInfo,
+                    }
+                });
+
+                var p = new ScoreAccessibleReplayPlayer(new Score { Replay = new Replay { Frames = frames } });
+
+                p.OnLoadComplete += _ =>
+                {
+                    p.ScoreProcessor.NewJudgement += result =>
+                    {
+                        if (currentPlayer == p) judgementResults.Add(result);
+                    };
+                };
+
+                LoadScreen(currentPlayer = p);
+                judgementResults.Clear();
+            });
+
+            AddUntilStep("Beatmap at 0", () => Beatmap.Value.Track.CurrentTime == 0);
+            AddUntilStep("Wait until player is loaded", () => currentPlayer.IsCurrentScreen());
+            AddUntilStep("Wait for completion", () => currentPlayer.ScoreProcessor.HasCompleted.Value);
+        }
+
+        private partial class ScoreAccessibleReplayPlayer : ReplayPlayer
+        {
+            public new ScoreProcessor ScoreProcessor => base.ScoreProcessor;
+
+            protected override bool PauseOnFocusLost => false;
+
+            public ScoreAccessibleReplayPlayer(Score score)
+                : base(score, new PlayerConfiguration
+                {
+                    AllowPause = false,
+                    ShowResults = false,
+                })
+            {
+            }
+        }
+    }
+}
@@ -467,13 +467,13 @@ namespace osu.Game.Rulesets.Osu.Tests

        private void assertHeadMissTailTracked()
        {
-            AddAssert("Tracking retained", () => judgementResults[^2].Type, () => Is.EqualTo(HitResult.LargeTickHit));
+            AddAssert("Tracking retained", () => judgementResults[^2].Type, () => Is.EqualTo(HitResult.SliderTailHit));
            AddAssert("Slider head missed", () => judgementResults.First().IsHit, () => Is.False);
        }

        private void assertMidSliderJudgements()
        {
-            AddAssert("Tracking acquired", () => judgementResults[^2].Type, () => Is.EqualTo(HitResult.LargeTickHit));
+            AddAssert("Tracking acquired", () => judgementResults[^2].Type, () => Is.EqualTo(HitResult.SliderTailHit));
        }

        private void assertMidSliderJudgementFail()
@@ -0,0 +1,528 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using NUnit.Framework;
+using osu.Framework.Graphics;
+using osu.Framework.Screens;
+using osu.Framework.Testing;
+using osu.Game.Beatmaps;
+using osu.Game.Graphics.Sprites;
+using osu.Game.Replays;
+using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Objects.Drawables;
+using osu.Game.Rulesets.Objects.Types;
+using osu.Game.Rulesets.Osu.Objects;
+using osu.Game.Rulesets.Osu.Replays;
+using osu.Game.Rulesets.Replays;
+using osu.Game.Rulesets.Scoring;
+using osu.Game.Scoring;
+using osu.Game.Screens.Play;
+using osu.Game.Tests.Visual;
+using osuTK;
+
+namespace osu.Game.Rulesets.Osu.Tests
+{
+    public partial class TestSceneSliderLateHitJudgement : RateAdjustedBeatmapTestScene
+    {
+        // Note: In the following tests, the terminology "in range of the follow circle" is used as meaning
+        // the equivalent of "in range of the follow circle as if it were in its expanded state".
+
+        private const double time_slider_start = 1000;
+        private const double time_slider_end = 1500;
+
+        private static readonly Vector2 slider_start_position = new Vector2(256 - slider_path_length / 2, 192);
+        private static readonly Vector2 slider_end_position = new Vector2(256 + slider_path_length / 2, 192);
+
+        private ScoreAccessibleReplayPlayer currentPlayer = null!;
+
+        private const float slider_path_length = 200;
+
+        private readonly List<JudgementResult> judgementResults = new List<JudgementResult>();
+
+        /// <summary>
+        /// If the head circle is hit and the mouse is in range of the follow circle,
+        /// then tracking should be enabled.
+        /// </summary>
+        [Test]
+        public void TestHitLateInRangeTracks()
+        {
+            performTest(new List<ReplayFrame>
+            {
+                new OsuReplayFrame(time_slider_start + 100, slider_start_position, OsuAction.LeftButton),
+                new OsuReplayFrame(time_slider_end + 100, slider_end_position, OsuAction.LeftButton),
+            });
+
+            assertHeadJudgement(HitResult.Ok);
+            assertTailJudgement(HitResult.SliderTailHit);
+            assertSliderJudgement(HitResult.IgnoreHit);
+        }
+
+        /// <summary>
+        /// If the head circle is hit and the mouse is NOT in range of the follow circle,
+        /// then tracking should NOT be enabled.
+        /// </summary>
+        [Test]
+        public void TestHitLateOutOfRangeDoesNotTrack()
+        {
+            performTest(new List<ReplayFrame>
+            {
+                new OsuReplayFrame(time_slider_start + 100, slider_start_position, OsuAction.LeftButton),
+                new OsuReplayFrame(time_slider_end + 100, slider_end_position, OsuAction.LeftButton),
+            }, s =>
+            {
+                s.SliderVelocityMultiplier = 2;
+            });
+
+            assertHeadJudgement(HitResult.Ok);
+            assertTailJudgement(HitResult.IgnoreMiss);
+            assertSliderJudgement(HitResult.IgnoreHit);
+        }
+
+        /// <summary>
+        /// If the head circle is hit late and the mouse is in range of the follow circle,
+        /// then all ticks that the follow circle has passed through should be hit.
+        /// </summary>
+        [Test]
+        public void TestHitLateInRangeHitsTicks()
+        {
+            performTest(new List<ReplayFrame>
+            {
+                new OsuReplayFrame(time_slider_start + 150, slider_start_position, OsuAction.LeftButton),
+                new OsuReplayFrame(time_slider_end + 150, slider_end_position, OsuAction.LeftButton),
+            }, s =>
+            {
+                s.TickDistanceMultiplier = 0.2f;
+            });
+
+            assertHeadJudgement(HitResult.Meh);
+            assertTickJudgement(0, HitResult.LargeTickHit);
+            assertTickJudgement(1, HitResult.LargeTickHit);
+            assertTickJudgement(2, HitResult.LargeTickHit);
+            assertTickJudgement(3, HitResult.LargeTickHit);
+            assertTailJudgement(HitResult.SliderTailHit);
+            assertSliderJudgement(HitResult.IgnoreHit);
+        }
+
+        /// <summary>
+        /// If the head circle is hit late and the mouse is NOT in range of the follow circle,
+        /// then all ticks that the follow circle has passed through should NOT be hit.
+        /// </summary>
+        [Test]
+        public void TestHitLateOutOfRangeDoesNotHitTicks()
+        {
+            performTest(new List<ReplayFrame>
+            {
+                new OsuReplayFrame(time_slider_start + 150, slider_start_position, OsuAction.LeftButton),
+                new OsuReplayFrame(time_slider_end + 150, slider_end_position, OsuAction.LeftButton),
+            }, s =>
+            {
+                s.SliderVelocityMultiplier = 2;
+                s.TickDistanceMultiplier = 0.2f;
+            });
+
+            assertHeadJudgement(HitResult.Meh);
+            assertTickJudgement(0, HitResult.LargeTickMiss);
+            assertTickJudgement(1, HitResult.LargeTickMiss);
+            assertTailJudgement(HitResult.IgnoreMiss);
+            assertSliderJudgement(HitResult.IgnoreHit);
+        }
+
+        /// <summary>
+        /// If the head circle is pressed after it's missed and the mouse is in range of the follow circle,
+        /// then tracking should NOT be enabled.
+        /// </summary>
+        [Test]
+        public void TestMissHeadInRangeDoesNotTrack()
+        {
+            performTest(new List<ReplayFrame>
+            {
+                new OsuReplayFrame(time_slider_start + 151, slider_start_position, OsuAction.LeftButton),
+                new OsuReplayFrame(time_slider_end + 151, slider_end_position, OsuAction.LeftButton),
+            }, s =>
+            {
+                s.TickDistanceMultiplier = 0.2f;
+            });
+
+            assertHeadJudgement(HitResult.Miss);
+            assertTickJudgement(0, HitResult.LargeTickMiss);
+            assertTickJudgement(1, HitResult.LargeTickMiss);
+            assertTickJudgement(2, HitResult.LargeTickMiss);
+            assertTickJudgement(3, HitResult.LargeTickMiss);
+            assertTailJudgement(HitResult.IgnoreMiss);
+            assertSliderJudgement(HitResult.IgnoreMiss);
+        }
+
+        /// <summary>
+        /// If the head circle is hit late but after the completion of the slider and the mouse is in range of the follow circle,
+        /// then all nested objects (ticks/repeats/tail) should be hit.
+        /// </summary>
+        [Test]
+        public void TestHitLateShortSliderHitsAll()
+        {
+            performTest(new List<ReplayFrame>
+            {
+                new OsuReplayFrame(time_slider_start + 150, slider_start_position, OsuAction.LeftButton),
+                new OsuReplayFrame(time_slider_end + 150, slider_start_position, OsuAction.LeftButton),
+            }, s =>
+            {
+                s.Path = new SliderPath(PathType.LINEAR, new[]
+                {
+                    Vector2.Zero,
+                    new Vector2(20, 0),
+                }, 20);
+
+                s.TickDistanceMultiplier = 0.01f;
+                s.RepeatCount = 1;
+            });
+
+            assertHeadJudgement(HitResult.Meh);
+            assertAllTickJudgements(HitResult.LargeTickHit);
+            assertRepeatJudgement(HitResult.LargeTickHit);
+            assertTailJudgement(HitResult.SliderTailHit);
+            assertSliderJudgement(HitResult.IgnoreHit);
+        }
+
+        /// <summary>
+        /// If the head circle is hit late and the mouse is in range of the follow circle,
+        /// then all the repeats that the follow circle has passed through should be hit.
+        /// </summary>
+        [Test]
+        public void TestHitLateInRangeHitsRepeat()
+        {
+            performTest(new List<ReplayFrame>
+            {
+                new OsuReplayFrame(time_slider_start + 150, slider_start_position, OsuAction.LeftButton),
+                new OsuReplayFrame(time_slider_end + 150, slider_start_position, OsuAction.LeftButton),
+            }, s =>
+            {
+                s.Path = new SliderPath(PathType.LINEAR, new[]
+                {
+                    Vector2.Zero,
+                    new Vector2(50, 0),
+                }, 50);
+
+                s.RepeatCount = 1;
+            });
+
+            assertHeadJudgement(HitResult.Meh);
+            assertRepeatJudgement(HitResult.LargeTickHit);
+            assertTailJudgement(HitResult.SliderTailHit);
+            assertSliderJudgement(HitResult.IgnoreHit);
+        }
+
+        /// <summary>
+        /// If the head circle is hit and the mouse is in range of the follow circle,
+        /// then only the ticks that are in range of the cursor position should be hit.
+        /// If any hitobject does not meet this criteria, ALL hitobjects after that one should be missed.
+        /// </summary>
+        [Test]
+        public void TestHitLateDoesNotHitTicksIfAnyOutOfRange()
+        {
+            performTest(new List<ReplayFrame>
+            {
+                new OsuReplayFrame(time_slider_start + 150, slider_start_position, OsuAction.LeftButton),
+                new OsuReplayFrame(time_slider_end + 150, slider_start_position, OsuAction.LeftButton),
+            }, s =>
+            {
+                s.Path = new SliderPath(PathType.PERFECT_CURVE, new[]
+                {
+                    Vector2.Zero,
+                    new Vector2(70, 70),
+                    new Vector2(20, 0),
+                });
+
+                s.TickDistanceMultiplier = 0.03f;
+                s.SliderVelocityMultiplier = 6f;
+            });
+
+            assertHeadJudgement(HitResult.Meh);
+
+            // At least one tick was out of range, so they all should be missed.
+            assertAllTickJudgements(HitResult.LargeTickMiss);
+
+            // This particular test actually starts tracking the slider just before the end, so the tail should be hit because of its leniency.
+            assertTailJudgement(HitResult.SliderTailHit);
+
+            assertSliderJudgement(HitResult.IgnoreHit);
+        }
+
+        /// <summary>
+        /// If the head circle is hit and the mouse is in range of the follow circle,
+        /// then a tick not within the follow radius from the cursor position should not be hit.
+        /// </summary>
+        [Test]
+        public void TestHitLateInRangeDoesNotHitOutOfRangeTick()
+        {
+            performTest(new List<ReplayFrame>
+            {
+                new OsuReplayFrame(time_slider_start + 150, slider_start_position, OsuAction.LeftButton),
+                new OsuReplayFrame(time_slider_end + 150, slider_start_position, OsuAction.LeftButton),
+            }, s =>
+            {
+                s.Path = new SliderPath(PathType.PERFECT_CURVE, new[]
+                {
+                    Vector2.Zero,
+                    new Vector2(50, 50),
+                    new Vector2(20, 0),
+                });
+
+                s.TickDistanceMultiplier = 0.3f;
+                s.SliderVelocityMultiplier = 3;
+            });
+
+            assertHeadJudgement(HitResult.Meh);
+            assertTickJudgement(0, HitResult.LargeTickMiss);
+            assertTailJudgement(HitResult.SliderTailHit);
+            assertSliderJudgement(HitResult.IgnoreHit);
+        }
+
+        /// <summary>
+        /// Same as <see cref="TestHitLateInRangeDoesNotHitOutOfRangeTick"/> except the tracking is limited to the ball
+        /// because the tick was missed.
+        /// </summary>
+        [Test]
+        public void TestHitLateInRangeDoesNotHitOutOfRangeTickAndTrackingLimitedToBall()
+        {
+            performTest(new List<ReplayFrame>
+            {
+                new OsuReplayFrame(time_slider_start + 150, slider_start_position, OsuAction.LeftButton),
+                new OsuReplayFrame(time_slider_end + 150, slider_start_position, OsuAction.LeftButton),
+            }, s =>
+            {
+                s.Path = new SliderPath(PathType.PERFECT_CURVE, new[]
+                {
+                    Vector2.Zero,
+                    new Vector2(50, 50),
+                    new Vector2(20, 0),
+                });
+
+                s.TickDistanceMultiplier = 0.25f;
+                s.SliderVelocityMultiplier = 3;
+            });
+
+            assertHeadJudgement(HitResult.Meh);
+            assertTickJudgement(0, HitResult.LargeTickMiss);
+            assertTickJudgement(1, HitResult.LargeTickMiss);
+            assertTailJudgement(HitResult.SliderTailHit);
+            assertSliderJudgement(HitResult.IgnoreHit);
+        }
+
+        /// <summary>
+        /// If the head circle is hit and the mouse is in range of the follow circle,
+        /// then a tick not within the follow radius from the cursor position should not be hit.
+        /// </summary>
+        [Test]
+        public void TestHitLateWithEdgeHit()
+        {
+            performTest(new List<ReplayFrame>
+            {
+                new OsuReplayFrame(time_slider_start + 150, slider_start_position - new Vector2(20), OsuAction.LeftButton),
+                new OsuReplayFrame(time_slider_end + 150, slider_start_position - new Vector2(20), OsuAction.LeftButton),
+            }, s =>
+            {
+                s.Path = new SliderPath(PathType.PERFECT_CURVE, new[]
+                {
+                    Vector2.Zero,
+                    new Vector2(50, 50),
+                    new Vector2(20, 0),
+                });
+
+                s.TickDistanceMultiplier = 0.35f;
+                s.SliderVelocityMultiplier = 4;
+            });
+
+            assertHeadJudgement(HitResult.Meh);
+            assertTickJudgement(0, HitResult.LargeTickMiss);
+            assertTailJudgement(HitResult.IgnoreMiss);
+            assertSliderJudgement(HitResult.IgnoreHit);
+        }
+
+        /// <summary>
+        /// Late hit and release on each slider head of a slider stream.
+        /// </summary>
+        [Test]
+        public void TestLateHitSliderStream()
+        {
+            var beatmap = new Beatmap<OsuHitObject>();
+
+            for (int i = 0; i < 20; i++)
+            {
+                beatmap.HitObjects.Add(new Slider
+                {
+                    StartTime = time_slider_start + 75 * i, // 200BPM @ 1/4
+                    Position = new Vector2(256 - slider_path_length / 2, 192),
+                    TickDistanceMultiplier = 3,
+                    Path = new SliderPath(PathType.LINEAR, new[]
+                    {
+                        Vector2.Zero,
+                        new Vector2(20, 0),
+                    }),
+                });
+            }
+
+            var replay = new List<ReplayFrame>();
+
+            for (int i = 0; i < 20; i++)
+            {
+                replay.Add(new OsuReplayFrame(time_slider_start + 75 * i + 75, slider_start_position, i % 2 == 0 ? OsuAction.LeftButton : OsuAction.RightButton));
+                replay.Add(new OsuReplayFrame(time_slider_start + 75 * i + 140, slider_start_position));
+            }
+
+            performTest(replay, beatmap);
+
+            AddAssert(
+                $"all heads = {HitResult.Ok}",
+                () => judgementResults.Where(r => r.HitObject is SliderHeadCircle).Select(r => r.Type),
+                () => Has.All.EqualTo(HitResult.Ok));
+        }
+
+        private void assertHeadJudgement(HitResult result)
+        {
+            AddAssert(
+                $"head = {result}",
+                () => judgementResults.SingleOrDefault(r => r.HitObject is SliderHeadCircle)?.Type,
+                () => Is.EqualTo(result));
+        }
+
+        private void assertTickJudgement(int index, HitResult result)
+        {
+            AddAssert(
+                $"tick({index}) = {result}",
+                () => judgementResults.Where(r => r.HitObject is SliderTick).ElementAtOrDefault(index)?.Type,
+                () => Is.EqualTo(result));
+        }
+
+        private void assertAllTickJudgements(HitResult result)
+        {
+            AddAssert(
+                $"all ticks = {result}",
+                () => judgementResults.Where(r => r.HitObject is SliderTick).Select(t => t.Type),
+                () => Has.All.EqualTo(result));
+        }
+
+        private void assertRepeatJudgement(HitResult result)
+        {
+            AddAssert(
+                $"repeat = {result}",
+                () => judgementResults.SingleOrDefault(r => r.HitObject is SliderRepeat)?.Type,
+                () => Is.EqualTo(result));
+        }
+
+        private void assertTailJudgement(HitResult result)
+        {
+            AddAssert(
+                $"tail = {result}",
+                () => judgementResults.SingleOrDefault(r => r.HitObject is SliderTailCircle)?.Type,
+                () => Is.EqualTo(result));
+        }
+
+        private void assertSliderJudgement(HitResult result)
+        {
+            AddAssert(
+                $"slider = {result}",
+                () => judgementResults.SingleOrDefault(r => r.HitObject is Slider)?.Type,
+                () => Is.EqualTo(result));
+        }
+
+        private void performTest(List<ReplayFrame> frames, Action<Slider>? adjustSliderFunc = null, bool classic = false)
+        {
+            Slider slider = new Slider
+            {
+                StartTime = time_slider_start,
+                Position = new Vector2(256 - slider_path_length / 2, 192),
+                TickDistanceMultiplier = 3,
+                ClassicSliderBehaviour = classic,
+                Path = new SliderPath(PathType.LINEAR, new[]
+                {
+                    Vector2.Zero,
+                    new Vector2(slider_path_length, 0),
+                }, slider_path_length),
+            };
+
+            adjustSliderFunc?.Invoke(slider);
+
+            var beatmap = new Beatmap<OsuHitObject>
+            {
+                HitObjects = { slider },
+                BeatmapInfo =
+                {
+                    Difficulty = new BeatmapDifficulty
+                    {
+                        SliderMultiplier = 4,
+                        SliderTickRate = 3
+                    },
+                    Ruleset = new OsuRuleset().RulesetInfo,
+                }
+            };
+
+            performTest(frames, beatmap);
+        }
+
+        private void performTest(List<ReplayFrame> frames, Beatmap<OsuHitObject> beatmap)
+        {
+            beatmap.BeatmapInfo.Ruleset = new OsuRuleset().RulesetInfo;
+            beatmap.BeatmapInfo.StackLeniency = 0;
+            beatmap.BeatmapInfo.Difficulty = new BeatmapDifficulty
+            {
+                SliderMultiplier = 4,
+                SliderTickRate = 3,
+            };
+
+            AddStep("load player", () =>
+            {
+                Beatmap.Value = CreateWorkingBeatmap(beatmap);
+
+                var p = new ScoreAccessibleReplayPlayer(new Score { Replay = new Replay { Frames = frames } });
+
+                p.OnLoadComplete += _ =>
+                {
+                    p.ScoreProcessor.NewJudgement += result =>
+                    {
+                        if (currentPlayer == p)
+                            judgementResults.Add(result);
+
+                        DrawableHitObject drawableObj = this.ChildrenOfType<DrawableHitObject>().Single(h => h.HitObject == result.HitObject);
+
+                        var text = new OsuSpriteText
+                        {
+                            Origin = Anchor.Centre,
+                            Position = Content.ToLocalSpace(drawableObj.ToScreenSpace(drawableObj.OriginPosition)) - new Vector2(0, 20),
+                            Text = result.IsHit ? "hit" : "miss"
+                        };
+
+                        Add(text);
+
+                        text.FadeOutFromOne(1000).Expire();
+                    };
+                };
+
+                LoadScreen(currentPlayer = p);
+                judgementResults.Clear();
+            });
+
+            AddUntilStep("Beatmap at 0", () => Beatmap.Value.Track.CurrentTime == 0);
+            AddUntilStep("Wait until player is loaded", () => currentPlayer.IsCurrentScreen());
+            AddUntilStep("Wait for completion", () => currentPlayer.ScoreProcessor.HasCompleted.Value);
+        }
+
+        private partial class ScoreAccessibleReplayPlayer : ReplayPlayer
+        {
+            public new ScoreProcessor ScoreProcessor => base.ScoreProcessor;
+
+            protected override bool PauseOnFocusLost => false;
+
+            public ScoreAccessibleReplayPlayer(Score score)
+                : base(score, new PlayerConfiguration
+                {
+                    AllowPause = false,
+                    ShowResults = false,
+                })
+            {
+            }
+        }
+    }
+}
@@ -58,10 +58,7 @@ namespace osu.Game.Rulesets.Osu.Tests
            double trackerRotationTolerance = 0;

            addSeekStep(5000);
-            AddStep("calculate rotation tolerance", () =>
-            {
-                trackerRotationTolerance = Math.Abs(drawableSpinner.RotationTracker.Rotation * 0.1f);
-            });
+            AddStep("calculate rotation tolerance", () => { trackerRotationTolerance = Math.Abs(drawableSpinner.RotationTracker.Rotation * 0.1f); });
            AddAssert("is disc rotation not almost 0", () => drawableSpinner.RotationTracker.Rotation, () => Is.Not.EqualTo(0).Within(100));
            AddAssert("is disc rotation absolute not almost 0", () => drawableSpinner.Result.TotalRotation, () => Is.Not.EqualTo(0).Within(100));

@@ -133,9 +130,11 @@ namespace osu.Game.Rulesets.Osu.Tests

            AddAssert("player score matching expected bonus score", () =>
            {
+                var scoreProcessor = ((ScoreExposedPlayer)Player).ScoreProcessor;
+
                // multipled by 2 to nullify the score multiplier. (autoplay mod selected)
-                long totalScore = ((ScoreExposedPlayer)Player).ScoreProcessor.TotalScore.Value * 2;
-                return totalScore == (int)(drawableSpinner.Result.TotalRotation / 360) * new SpinnerTick().CreateJudgement().MaxNumericResult;
+                long totalScore = scoreProcessor.TotalScore.Value * 2;
+                return totalScore == (int)(drawableSpinner.Result.TotalRotation / 360) * scoreProcessor.GetBaseScoreForResult(new SpinnerTick().CreateJudgement().MaxResult);
            });

            addSeekStep(0);
@@ -3,7 +3,7 @@
  <ItemGroup Label="Package References">
    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.2" />
    <PackageReference Include="Moq" Version="4.18.4" />
-    <PackageReference Include="NUnit" Version="3.13.3" />
+    <PackageReference Include="NUnit" Version="3.14.0" />
    <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
  </ItemGroup>
  <PropertyGroup Label="Project">
@@ -5,12 +5,13 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using osu.Game.Beatmaps;
-using osu.Game.Rulesets.Judgements;
 using osu.Game.Rulesets.Mods;
 using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Objects.Legacy;
 using osu.Game.Rulesets.Objects.Types;
 using osu.Game.Rulesets.Osu.Mods;
 using osu.Game.Rulesets.Osu.Objects;
+using osu.Game.Rulesets.Osu.Scoring;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Rulesets.Scoring.Legacy;

@@ -18,6 +19,8 @@ namespace osu.Game.Rulesets.Osu.Difficulty
 {
    internal class OsuLegacyScoreSimulator : ILegacyScoreSimulator
    {
+        private readonly ScoreProcessor scoreProcessor = new OsuScoreProcessor();
+
        private int legacyBonusScore;
        private int standardisedBonusScore;
        private int combo;
@@ -60,13 +63,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty
                drainLength = ((int)Math.Round(baseBeatmap.HitObjects[^1].StartTime) - (int)Math.Round(baseBeatmap.HitObjects[0].StartTime) - breakLength) / 1000;
            }

-            int difficultyPeppyStars = (int)Math.Round(
-                (baseBeatmap.Difficulty.DrainRate
-                 + baseBeatmap.Difficulty.OverallDifficulty
-                 + baseBeatmap.Difficulty.CircleSize
-                 + Math.Clamp((float)objectCount / drainLength * 8, 0, 16)) / 38 * 5);
-
-            scoreMultiplier = difficultyPeppyStars;
+            scoreMultiplier = LegacyRulesetExtensions.CalculateDifficultyPeppyStars(baseBeatmap.Difficulty, objectCount, drainLength);

            LegacyScoreAttributes attributes = new LegacyScoreAttributes();

@@ -171,7 +168,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty
            if (isBonus)
            {
                legacyBonusScore += scoreIncrease;
-                standardisedBonusScore += Judgement.ToNumericResult(bonusResult);
+                standardisedBonusScore += scoreProcessor.GetBaseScoreForResult(bonusResult);
            }
            else
                attributes.AccuracyScore += scoreIncrease;
@@ -51,10 +51,10 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
            base.LoadComplete();

            hitObjectPosition = hitObject.PositionBindable.GetBoundCopy();
-            hitObjectPosition.BindValueChanged(_ => updateConnectingPath());
+            hitObjectPosition.BindValueChanged(_ => Scheduler.AddOnce(updateConnectingPath));

            pathVersion = hitObject.Path.Version.GetBoundCopy();
-            pathVersion.BindValueChanged(_ => updateConnectingPath());
+            pathVersion.BindValueChanged(_ => Scheduler.AddOnce(updateConnectingPath));

            updateConnectingPath();
        }
@@ -4,20 +4,15 @@
 #nullable disable

 using System;
-using System.Collections.Generic;
-using System.Linq;
-using JetBrains.Annotations;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Cursor;
-using osu.Framework.Graphics.Primitives;
 using osu.Framework.Graphics.Shapes;
 using osu.Framework.Input.Events;
 using osu.Framework.Localisation;
-using osu.Framework.Utils;
 using osu.Game.Graphics;
 using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Objects.Types;
@@ -41,8 +36,6 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
        public Action<DragEvent> DragInProgress;
        public Action DragEnded;

-        public List<PathControlPoint> PointsInSegment;
-
        public readonly BindableBool IsSelected = new BindableBool();
        public readonly PathControlPoint ControlPoint;

@@ -56,27 +49,11 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
        private IBindable<Vector2> hitObjectPosition;
        private IBindable<float> hitObjectScale;

-        [UsedImplicitly]
-        private readonly IBindable<int> hitObjectVersion;
-
        public PathControlPointPiece(T hitObject, PathControlPoint controlPoint)
        {
            this.hitObject = hitObject;
            ControlPoint = controlPoint;

-            // we don't want to run the path type update on construction as it may inadvertently change the hit object.
-            cachePoints(hitObject);
-
-            hitObjectVersion = hitObject.Path.Version.GetBoundCopy();
-
-            // schedule ensure that updates are only applied after all operations from a single frame are applied.
-            // this avoids inadvertently changing the hit object path type for batch operations.
-            hitObjectVersion.BindValueChanged(_ => Scheduler.AddOnce(() =>
-            {
-                cachePoints(hitObject);
-                updatePathType();
-            }));
-
            controlPoint.Changed += updateMarkerDisplay;

            Origin = Anchor.Centre;
@@ -214,28 +191,6 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components

        protected override void OnDragEnd(DragEndEvent e) => DragEnded?.Invoke();

-        private void cachePoints(T hitObject) => PointsInSegment = hitObject.Path.PointsInSegment(ControlPoint);
-
-        /// <summary>
-        /// Handles correction of invalid path types.
-        /// </summary>
-        private void updatePathType()
-        {
-            if (ControlPoint.Type != PathType.PERFECT_CURVE)
-                return;
-
-            if (PointsInSegment.Count > 3)
-                ControlPoint.Type = PathType.BEZIER;
-
-            if (PointsInSegment.Count != 3)
-                return;
-
-            ReadOnlySpan<Vector2> points = PointsInSegment.Select(p => p.Position).ToArray();
-            RectangleF boundingBox = PathApproximator.CircularArcBoundingBox(points);
-            if (boundingBox.Width >= 640 || boundingBox.Height >= 480)
-                ControlPoint.Type = PathType.BEZIER;
-        }
-
        /// <summary>
        /// Updates the state of the circular control point marker.
        /// </summary>
@@ -14,10 +14,12 @@ using osu.Framework.Bindables;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Cursor;
+using osu.Framework.Graphics.Primitives;
 using osu.Framework.Graphics.UserInterface;
 using osu.Framework.Input;
 using osu.Framework.Input.Bindings;
 using osu.Framework.Input.Events;
+using osu.Framework.Utils;
 using osu.Game.Graphics.UserInterface;
 using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Objects;
@@ -76,6 +78,50 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
            controlPoints.BindTo(hitObject.Path.ControlPoints);
        }

+        /// <summary>
+        /// Handles correction of invalid path types.
+        /// </summary>
+        public void EnsureValidPathTypes()
+        {
+            List<PathControlPoint> pointsInCurrentSegment = new List<PathControlPoint>();
+
+            foreach (var controlPoint in controlPoints)
+            {
+                if (controlPoint.Type != null)
+                {
+                    pointsInCurrentSegment.Add(controlPoint);
+                    ensureValidPathType(pointsInCurrentSegment);
+                    pointsInCurrentSegment.Clear();
+                }
+
+                pointsInCurrentSegment.Add(controlPoint);
+            }
+
+            ensureValidPathType(pointsInCurrentSegment);
+        }
+
+        private void ensureValidPathType(IReadOnlyList<PathControlPoint> segment)
+        {
+            if (segment.Count == 0)
+                return;
+
+            var first = segment[0];
+
+            if (first.Type != PathType.PERFECT_CURVE)
+                return;
+
+            if (segment.Count > 3)
+                first.Type = PathType.BEZIER;
+
+            if (segment.Count != 3)
+                return;
+
+            ReadOnlySpan<Vector2> points = segment.Select(p => p.Position).ToArray();
+            RectangleF boundingBox = PathApproximator.CircularArcBoundingBox(points);
+            if (boundingBox.Width >= 640 || boundingBox.Height >= 480)
+                first.Type = PathType.BEZIER;
+        }
+
        /// <summary>
        /// Selects the <see cref="PathControlPointPiece{T}"/> corresponding to the given <paramref name="pathControlPoint"/>,
        /// and deselects all other <see cref="PathControlPointPiece{T}"/>s.
@@ -240,7 +286,8 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
        /// <param name="type">The path type we want to assign to the given control point piece.</param>
        private void updatePathType(PathControlPointPiece<T> piece, PathType? type)
        {
-            int indexInSegment = piece.PointsInSegment.IndexOf(piece.ControlPoint);
+            var pointsInSegment = hitObject.Path.PointsInSegment(piece.ControlPoint);
+            int indexInSegment = pointsInSegment.IndexOf(piece.ControlPoint);

            if (type?.Type == SplineType.PerfectCurve)
            {
@@ -249,8 +296,8 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
                // and one segment of the previous type.
                int thirdPointIndex = indexInSegment + 2;

-                if (piece.PointsInSegment.Count > thirdPointIndex + 1)
-                    piece.PointsInSegment[thirdPointIndex].Type = piece.PointsInSegment[0].Type;
+                if (pointsInSegment.Count > thirdPointIndex + 1)
+                    pointsInSegment[thirdPointIndex].Type = pointsInSegment[0].Type;
            }

            hitObject.Path.ExpectedDistance.Value = null;
@@ -339,6 +386,8 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
            // Maintain the path types in case they got defaulted to bezier at some point during the drag.
            for (int i = 0; i < hitObject.Path.ControlPoints.Count; i++)
                hitObject.Path.ControlPoints[i].Type = dragPathTypes[i];
+
+            EnsureValidPathTypes();
        }

        public void DragEnded() => changeHandler?.EndChange();
@@ -412,6 +461,8 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
            {
                foreach (var p in Pieces.Where(p => p.IsSelected.Value))
                    updatePathType(p, type);
+
+                EnsureValidPathTypes();
            });

            if (countOfState == totalCount)
@@ -267,6 +267,8 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
                    segmentStart.Type = PathType.BEZIER;
                    break;
            }
+
+            controlPointVisualiser.EnsureValidPathTypes();
        }

        private void updateCursor()
@@ -254,6 +254,8 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
            // Move the control points from the insertion index onwards to make room for the insertion
            controlPoints.Insert(insertionIndex, pathControlPoint);

+            ControlPointVisualiser?.EnsureValidPathTypes();
+
            HitObject.SnapTo(distanceSnapProvider);

            return pathControlPoint;
@@ -275,6 +277,8 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders
                controlPoints.Remove(c);
            }

+            ControlPointVisualiser?.EnsureValidPathTypes();
+
            // Snap the slider to the current beat divisor before checking length validity.
            HitObject.SnapTo(distanceSnapProvider);

@@ -17,6 +17,7 @@ using osu.Framework.Graphics.Sprites;
 using osu.Framework.Input.Events;
 using osu.Framework.Utils;
 using osu.Game.Beatmaps;
+using osu.Game.Graphics;
 using osu.Game.Graphics.UserInterface;
 using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Edit.Tools;
@@ -54,7 +55,7 @@ namespace osu.Game.Rulesets.Osu.Edit
                   .Concat(DistanceSnapProvider.CreateTernaryButtons())
                   .Concat(new[]
                   {
-                       new TernaryButton(rectangularGridSnapToggle, "Grid Snap", () => new SpriteIcon { Icon = FontAwesome.Solid.Th })
+                       new TernaryButton(rectangularGridSnapToggle, "Grid Snap", () => new SpriteIcon { Icon = OsuIcon.EditorGridSnap })
                   });

        private BindableList<HitObject> selectedHitObjects;
@@ -1,14 +1,11 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.

-using System;
-using System.Linq;
 using osu.Game.Rulesets.Mods;

 namespace osu.Game.Rulesets.Osu.Mods
 {
    public class OsuModAccuracyChallenge : ModAccuracyChallenge
    {
-        public override Type[] IncompatibleMods => base.IncompatibleMods.Append(typeof(OsuModAutopilot)).ToArray();
    }
 }
@@ -16,7 +16,7 @@ using osu.Game.Rulesets.UI;

 namespace osu.Game.Rulesets.Osu.Mods
 {
-    public class OsuModAutopilot : Mod, IApplicableFailOverride, IUpdatableByPlayfield, IApplicableToDrawableRuleset<OsuHitObject>
+    public class OsuModAutopilot : Mod, IUpdatableByPlayfield, IApplicableToDrawableRuleset<OsuHitObject>
    {
        public override string Name => "Autopilot";
        public override string Acronym => "AP";
@@ -29,18 +29,12 @@ namespace osu.Game.Rulesets.Osu.Mods
        {
            typeof(OsuModSpunOut),
            typeof(ModRelax),
-            typeof(ModFailCondition),
-            typeof(ModNoFail),
            typeof(ModAutoplay),
            typeof(OsuModMagnetised),
            typeof(OsuModRepel),
            typeof(ModTouchDevice)
        };

-        public bool PerformFail() => false;
-
-        public bool RestartOnFail => false;
-
        private OsuInputManager inputManager = null!;

        private List<OsuReplayFrame> replayFrames = null!;
@@ -18,7 +18,7 @@ using osu.Game.Rulesets.UI;

 namespace osu.Game.Rulesets.Osu.Mods
 {
-    public class OsuModClassic : ModClassic, IApplicableToHitObject, IApplicableToDrawableHitObject, IApplicableToDrawableRuleset<OsuHitObject>
+    public class OsuModClassic : ModClassic, IApplicableToHitObject, IApplicableToDrawableHitObject, IApplicableToDrawableRuleset<OsuHitObject>, IApplicableHealthProcessor
    {
        public override Type[] IncompatibleMods => base.IncompatibleMods.Append(typeof(OsuModStrictTracking)).ToArray();

@@ -34,6 +34,9 @@ namespace osu.Game.Rulesets.Osu.Mods
        [SettingSource("Fade out hit circles earlier", "Make hit circles fade out into a miss, rather than after it.")]
        public Bindable<bool> FadeHitCircleEarly { get; } = new Bindable<bool>(true);

+        [SettingSource("Classic health", "More closely resembles the original HP drain mechanics.")]
+        public Bindable<bool> ClassicHealth { get; } = new Bindable<bool>(true);
+
        private bool usingHiddenFading;

        public void ApplyToHitObject(HitObject hitObject)
@@ -115,5 +118,7 @@ namespace osu.Game.Rulesets.Osu.Mods
                }
            };
        }
+
+        public HealthProcessor? CreateHealthProcessor(double drainStartTime) => ClassicHealth.Value ? new OsuLegacyHealthProcessor(drainStartTime) : null;
    }
 }
@@ -0,0 +1,162 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System;
+using System.Linq;
+using osu.Framework.Bindables;
+using osu.Framework.Graphics.Sprites;
+using osu.Framework.Localisation;
+using osu.Game.Configuration;
+using osu.Game.Rulesets.Mods;
+using osu.Game.Rulesets.Objects.Drawables;
+using osu.Game.Rulesets.Osu.Objects;
+using osu.Game.Rulesets.Osu.Objects.Drawables;
+using osu.Game.Rulesets.Osu.UI;
+using osu.Game.Rulesets.UI;
+using osuTK;
+
+namespace osu.Game.Rulesets.Osu.Mods
+{
+    public class OsuModDepth : ModWithVisibilityAdjustment, IUpdatableByPlayfield, IApplicableToDrawableRuleset<OsuHitObject>
+    {
+        public override string Name => "Depth";
+        public override string Acronym => "DP";
+        public override IconUsage? Icon => FontAwesome.Solid.Cube;
+        public override ModType Type => ModType.Fun;
+        public override LocalisableString Description => "3D. Almost.";
+        public override double ScoreMultiplier => 1;
+        public override Type[] IncompatibleMods => base.IncompatibleMods.Concat(new[] { typeof(OsuModMagnetised), typeof(OsuModRepel), typeof(OsuModFreezeFrame), typeof(ModWithVisibilityAdjustment) }).ToArray();
+
+        private static readonly Vector3 camera_position = new Vector3(OsuPlayfield.BASE_SIZE.X * 0.5f, OsuPlayfield.BASE_SIZE.Y * 0.5f, -200);
+        private readonly float sliderMinDepth = depthForScale(1.5f); // Depth at which slider's scale will be 1.5f
+
+        [SettingSource("Maximum depth", "How far away objects appear.", 0)]
+        public BindableFloat MaxDepth { get; } = new BindableFloat(100)
+        {
+            Precision = 10,
+            MinValue = 50,
+            MaxValue = 200
+        };
+
+        [SettingSource("Show Approach Circles", "Whether approach circles should be visible.", 1)]
+        public BindableBool ShowApproachCircles { get; } = new BindableBool(true);
+
+        protected override void ApplyIncreasedVisibilityState(DrawableHitObject hitObject, ArmedState state) => applyTransform(hitObject, state);
+
+        protected override void ApplyNormalVisibilityState(DrawableHitObject hitObject, ArmedState state) => applyTransform(hitObject, state);
+
+        public void ApplyToDrawableRuleset(DrawableRuleset<OsuHitObject> drawableRuleset)
+        {
+            // Hide judgment displays and follow points as they won't make any sense.
+            // Judgements can potentially be turned on in a future where they display at a position relative to their drawable counterpart.
+            drawableRuleset.Playfield.DisplayJudgements.Value = false;
+            (drawableRuleset.Playfield as OsuPlayfield)?.FollowPoints.Hide();
+        }
+
+        private void applyTransform(DrawableHitObject drawable, ArmedState state)
+        {
+            switch (drawable)
+            {
+                case DrawableHitCircle circle:
+                    if (!ShowApproachCircles.Value)
+                    {
+                        var hitObject = (OsuHitObject)drawable.HitObject;
+                        double appearTime = hitObject.StartTime - hitObject.TimePreempt;
+
+                        using (circle.BeginAbsoluteSequence(appearTime))
+                            circle.ApproachCircle.Hide();
+                    }
+
+                    break;
+            }
+        }
+
+        public void Update(Playfield playfield)
+        {
+            double time = playfield.Time.Current;
+
+            foreach (var drawable in playfield.HitObjectContainer.AliveObjects)
+            {
+                switch (drawable)
+                {
+                    case DrawableHitCircle circle:
+                        processHitObject(time, circle);
+                        break;
+
+                    case DrawableSlider slider:
+                        processSlider(time, slider);
+                        break;
+                }
+            }
+        }
+
+        private void processHitObject(double time, DrawableOsuHitObject drawable)
+        {
+            var hitObject = drawable.HitObject;
+
+            // Circles are always moving at the constant speed. They'll fade out before reaching the camera even at extreme conditions (AR 11, max depth).
+            double speed = MaxDepth.Value / hitObject.TimePreempt;
+            double appearTime = hitObject.StartTime - hitObject.TimePreempt;
+            float z = MaxDepth.Value - (float)((Math.Max(time, appearTime) - appearTime) * speed);
+
+            float scale = scaleForDepth(z);
+            drawable.Position = toPlayfieldPosition(scale, hitObject.StackedPosition);
+            drawable.Scale = new Vector2(scale);
+        }
+
+        private void processSlider(double time, DrawableSlider drawableSlider)
+        {
+            var hitObject = drawableSlider.HitObject;
+
+            double baseSpeed = MaxDepth.Value / hitObject.TimePreempt;
+            double appearTime = hitObject.StartTime - hitObject.TimePreempt;
+
+            // Allow slider to move at a constant speed if its scale at the end time will be lower than 1.5f
+            float zEnd = MaxDepth.Value - (float)((Math.Max(hitObject.StartTime + hitObject.Duration, appearTime) - appearTime) * baseSpeed);
+
+            if (zEnd > sliderMinDepth)
+            {
+                processHitObject(time, drawableSlider);
+                return;
+            }
+
+            double offsetAfterStartTime = hitObject.Duration + 500;
+            double slowSpeed = Math.Min(-sliderMinDepth / offsetAfterStartTime, baseSpeed);
+
+            double decelerationTime = hitObject.TimePreempt * 0.2;
+            float decelerationDistance = (float)(decelerationTime * (baseSpeed + slowSpeed) * 0.5);
+
+            float z;
+
+            if (time < hitObject.StartTime - decelerationTime)
+            {
+                float fullDistance = decelerationDistance + (float)(baseSpeed * (hitObject.TimePreempt - decelerationTime));
+                z = fullDistance - (float)((Math.Max(time, appearTime) - appearTime) * baseSpeed);
+            }
+            else if (time < hitObject.StartTime)
+            {
+                double timeOffset = time - (hitObject.StartTime - decelerationTime);
+                double deceleration = (slowSpeed - baseSpeed) / decelerationTime;
+                z = decelerationDistance - (float)(baseSpeed * timeOffset + deceleration * timeOffset * timeOffset * 0.5);
+            }
+            else
+            {
+                double endTime = hitObject.StartTime + offsetAfterStartTime;
+                z = -(float)((Math.Min(time, endTime) - hitObject.StartTime) * slowSpeed);
+            }
+
+            float scale = scaleForDepth(z);
+            drawableSlider.Position = toPlayfieldPosition(scale, hitObject.StackedPosition);
+            drawableSlider.Scale = new Vector2(scale);
+        }
+
+        private static float scaleForDepth(float depth) => -camera_position.Z / Math.Max(1f, depth - camera_position.Z);
+
+        private static float depthForScale(float scale) => -camera_position.Z / scale + camera_position.Z;
+
+        private static Vector2 toPlayfieldPosition(float scale, Vector2 positionAtZeroDepth)
+        {
+            return (positionAtZeroDepth - camera_position.Xy) * scale + camera_position.Xy;
+        }
+    }
+}
@@ -50,7 +50,7 @@ namespace osu.Game.Rulesets.Osu.Mods
        public void ApplyToDrawableHitObject(DrawableHitObject drawable)
        {
            if (drawable is DrawableSlider s)
-                s.Tracking.ValueChanged += flashlight.OnSliderTrackingChange;
+                s.OnUpdate += _ => flashlight.OnSliderTrackingChange(s);
        }

        private partial class OsuFlashlight : Flashlight, IRequireHighFrequencyMousePosition
@@ -66,10 +66,10 @@ namespace osu.Game.Rulesets.Osu.Mods
                FlashlightSmoothness = 1.4f;
            }

-            public void OnSliderTrackingChange(ValueChangedEvent<bool> e)
+            public void OnSliderTrackingChange(DrawableSlider e)
            {
                // If a slider is in a tracking state, a further dim should be applied to the (remaining) visible portion of the playfield.
-                FlashlightDim = e.NewValue ? 0.8f : 0.0f;
+                FlashlightDim = Time.Current >= e.HitObject.StartTime && e.Tracking.Value ? 0.8f : 0.0f;
            }

            protected override bool OnMouseMove(MouseMoveEvent e)
@@ -24,7 +24,7 @@ namespace osu.Game.Rulesets.Osu.Mods
        public override LocalisableString Description => "Burn the notes into your memory.";

        //Alters the transforms of the approach circles, breaking the effects of these mods.
-        public override Type[] IncompatibleMods => base.IncompatibleMods.Concat(new[] { typeof(OsuModApproachDifferent), typeof(OsuModTransform) }).ToArray();
+        public override Type[] IncompatibleMods => base.IncompatibleMods.Concat(new[] { typeof(OsuModApproachDifferent), typeof(OsuModTransform), typeof(OsuModDepth) }).ToArray();

        public override ModType Type => ModType.Fun;

@@ -26,7 +26,7 @@ namespace osu.Game.Rulesets.Osu.Mods
        public override LocalisableString Description => @"Play with no approach circles and fading circles/sliders.";
        public override double ScoreMultiplier => UsesDefaultConfiguration ? 1.06 : 1;

-        public override Type[] IncompatibleMods => new[] { typeof(IRequiresApproachCircles), typeof(OsuModSpinIn) };
+        public override Type[] IncompatibleMods => new[] { typeof(IRequiresApproachCircles), typeof(OsuModSpinIn), typeof(OsuModDepth) };

        public const double FADE_IN_DURATION_MULTIPLIER = 0.4;
        public const double FADE_OUT_DURATION_MULTIPLIER = 0.3;
@@ -27,7 +27,7 @@ namespace osu.Game.Rulesets.Osu.Mods
        public override ModType Type => ModType.Fun;
        public override LocalisableString Description => "No need to chase the circles – your cursor is a magnet!";
        public override double ScoreMultiplier => 0.5;
-        public override Type[] IncompatibleMods => new[] { typeof(OsuModAutopilot), typeof(OsuModWiggle), typeof(OsuModTransform), typeof(ModAutoplay), typeof(OsuModRelax), typeof(OsuModRepel), typeof(OsuModBubbles) };
+        public override Type[] IncompatibleMods => new[] { typeof(OsuModAutopilot), typeof(OsuModWiggle), typeof(OsuModTransform), typeof(ModAutoplay), typeof(OsuModRelax), typeof(OsuModRepel), typeof(OsuModBubbles), typeof(OsuModDepth) };

        [SettingSource("Attraction strength", "How strong the pull is.", 0)]
        public BindableFloat AttractionStrength { get; } = new BindableFloat(0.5f)
@@ -1,14 +1,11 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.

-using System;
-using System.Linq;
 using osu.Game.Rulesets.Mods;

 namespace osu.Game.Rulesets.Osu.Mods
 {
    public class OsuModNoFail : ModNoFail
    {
-        public override Type[] IncompatibleMods => base.IncompatibleMods.Append(typeof(OsuModAutopilot)).ToArray();
    }
 }
@@ -26,7 +26,7 @@ namespace osu.Game.Rulesets.Osu.Mods

        protected virtual float EndScale => 1;

-        public override Type[] IncompatibleMods => new[] { typeof(IRequiresApproachCircles), typeof(OsuModSpinIn), typeof(OsuModObjectScaleTween) };
+        public override Type[] IncompatibleMods => new[] { typeof(IRequiresApproachCircles), typeof(OsuModSpinIn), typeof(OsuModObjectScaleTween), typeof(OsuModDepth) };

        protected override void ApplyIncreasedVisibilityState(DrawableHitObject hitObject, ArmedState state)
        {
@@ -1,14 +1,11 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.

-using System;
-using System.Linq;
 using osu.Game.Rulesets.Mods;

 namespace osu.Game.Rulesets.Osu.Mods
 {
    public class OsuModPerfect : ModPerfect
    {
-        public override Type[] IncompatibleMods => base.IncompatibleMods.Concat(new[] { typeof(OsuModAutopilot) }).ToArray();
    }
 }
@@ -88,7 +88,7 @@ namespace osu.Game.Rulesets.Osu.Mods
                        if (!slider.HeadCircle.IsHit)
                            handleHitCircle(slider.HeadCircle);

-                        requiresHold |= slider.Ball.IsHovered || h.IsHovered;
+                        requiresHold |= slider.SliderInputManager.IsMouseInFollowArea(true);
                        break;

                    case DrawableSpinner spinner:
@@ -26,7 +26,7 @@ namespace osu.Game.Rulesets.Osu.Mods
        public override ModType Type => ModType.Fun;
        public override LocalisableString Description => "Hit objects run away!";
        public override double ScoreMultiplier => 1;
-        public override Type[] IncompatibleMods => new[] { typeof(OsuModAutopilot), typeof(OsuModWiggle), typeof(OsuModTransform), typeof(ModAutoplay), typeof(OsuModMagnetised), typeof(OsuModBubbles) };
+        public override Type[] IncompatibleMods => new[] { typeof(OsuModAutopilot), typeof(OsuModWiggle), typeof(OsuModTransform), typeof(ModAutoplay), typeof(OsuModMagnetised), typeof(OsuModBubbles), typeof(OsuModDepth) };

        [SettingSource("Repulsion strength", "How strong the repulsion is.", 0)]
        public BindableFloat RepulsionStrength { get; } = new BindableFloat(0.5f)
@@ -24,7 +24,7 @@ namespace osu.Game.Rulesets.Osu.Mods

        // todo: this mod needs to be incompatible with "hidden" due to forcing the circle to remain opaque,
        // further implementation will be required for supporting that.
-        public override Type[] IncompatibleMods => new[] { typeof(IRequiresApproachCircles), typeof(OsuModObjectScaleTween), typeof(OsuModHidden) };
+        public override Type[] IncompatibleMods => new[] { typeof(IRequiresApproachCircles), typeof(OsuModObjectScaleTween), typeof(OsuModHidden), typeof(OsuModDepth) };

        private const int rotate_offset = 360;
        private const float rotate_starting_width = 2;
@@ -36,6 +36,9 @@ namespace osu.Game.Rulesets.Osu.Mods
                {
                    if (e.NewValue || slider.Judged) return;

+                    if (slider.Time.Current < slider.HitObject.StartTime)
+                        return;
+
                    var tail = slider.NestedHitObjects.OfType<StrictTrackingDrawableSliderTail>().First();

                    if (!tail.Judged)
@@ -11,7 +11,6 @@ namespace osu.Game.Rulesets.Osu.Mods
    {
        public override Type[] IncompatibleMods => base.IncompatibleMods.Concat(new[]
        {
-            typeof(OsuModAutopilot),
            typeof(OsuModTargetPractice),
        }).ToArray();
    }
@@ -47,7 +47,8 @@ namespace osu.Game.Rulesets.Osu.Mods
            typeof(OsuModRandom),
            typeof(OsuModSpunOut),
            typeof(OsuModStrictTracking),
-            typeof(OsuModSuddenDeath)
+            typeof(OsuModSuddenDeath),
+            typeof(OsuModDepth)
        }).ToArray();

        [SettingSource("Seed", "Use a custom seed instead of a random one", SettingControlType = typeof(SettingsNumberBox))]
@@ -20,7 +20,7 @@ namespace osu.Game.Rulesets.Osu.Mods
        public override LocalisableString Description => "Put your faith in the approach circles...";
        public override double ScoreMultiplier => 1;

-        public override Type[] IncompatibleMods => new[] { typeof(IHidesApproachCircles) };
+        public override Type[] IncompatibleMods => new[] { typeof(IHidesApproachCircles), typeof(OsuModDepth) };

        protected override void ApplyIncreasedVisibilityState(DrawableHitObject hitObject, ArmedState state)
        {
@@ -22,7 +22,7 @@ namespace osu.Game.Rulesets.Osu.Mods
        public override ModType Type => ModType.Fun;
        public override LocalisableString Description => "Everything rotates. EVERYTHING.";
        public override double ScoreMultiplier => 1;
-        public override Type[] IncompatibleMods => base.IncompatibleMods.Concat(new[] { typeof(OsuModWiggle), typeof(OsuModMagnetised), typeof(OsuModRepel), typeof(OsuModFreezeFrame) }).ToArray();
+        public override Type[] IncompatibleMods => base.IncompatibleMods.Concat(new[] { typeof(OsuModWiggle), typeof(OsuModMagnetised), typeof(OsuModRepel), typeof(OsuModFreezeFrame), typeof(OsuModDepth) }).ToArray();

        private float theta;

@@ -23,7 +23,7 @@ namespace osu.Game.Rulesets.Osu.Mods
        public override ModType Type => ModType.Fun;
        public override LocalisableString Description => "They just won't stay still...";
        public override double ScoreMultiplier => 1;
-        public override Type[] IncompatibleMods => new[] { typeof(OsuModTransform), typeof(OsuModMagnetised), typeof(OsuModRepel) };
+        public override Type[] IncompatibleMods => new[] { typeof(OsuModTransform), typeof(OsuModMagnetised), typeof(OsuModRepel), typeof(OsuModDepth) };

        private const int wiggle_duration = 100; // (ms) Higher = fewer wiggles

--- a/Show More
+++ b/Show More