diff --git a/osu.Game/Graphics/Containers/LinkFlowContainer.cs b/osu.Game/Graphics/Containers/LinkFlowContainer.cs
index 9735f6373d..e3a9a5fe9d 100644
--- a/osu.Game/Graphics/Containers/LinkFlowContainer.cs
+++ b/osu.Game/Graphics/Containers/LinkFlowContainer.cs
@@ -63,7 +63,7 @@ namespace osu.Game.Graphics.Containers
         }
 
         public void AddUserLink(User user, Action<SpriteText> creationParameters = null)
-            => createLink(AddText(user.Username, creationParameters), new LinkDetails(LinkAction.OpenUserProfile, user.Id.ToString()), "View Profile");
+            => createLink(AddText(user.Username, creationParameters), new LinkDetails(LinkAction.OpenUserProfile, user.Id.ToString()), "view profile");
 
         private void createLink(IEnumerable<Drawable> drawables, LinkDetails link, string tooltipText, Action action = null)
         {
diff --git a/osu.Game/Graphics/UserInterface/ExternalLinkButton.cs b/osu.Game/Graphics/UserInterface/ExternalLinkButton.cs
index 8c00cae08a..7225dbc66f 100644
--- a/osu.Game/Graphics/UserInterface/ExternalLinkButton.cs
+++ b/osu.Game/Graphics/UserInterface/ExternalLinkButton.cs
@@ -57,6 +57,6 @@ namespace osu.Game.Graphics.UserInterface
             return true;
         }
 
-        public string TooltipText => "View in browser";
+        public string TooltipText => "view in browser";
     }
 }
diff --git a/osu.Game/Graphics/UserInterface/OsuPasswordTextBox.cs b/osu.Game/Graphics/UserInterface/OsuPasswordTextBox.cs
index 418ad038f7..e4a4b1c50e 100644
--- a/osu.Game/Graphics/UserInterface/OsuPasswordTextBox.cs
+++ b/osu.Game/Graphics/UserInterface/OsuPasswordTextBox.cs
@@ -104,7 +104,7 @@ namespace osu.Game.Graphics.UserInterface
 
         private class CapsWarning : SpriteIcon, IHasTooltip
         {
-            public string TooltipText => @"Caps lock is active";
+            public string TooltipText => @"caps lock is active";
 
             public CapsWarning()
             {
diff --git a/osu.Game/Online/API/APIRequest.cs b/osu.Game/Online/API/APIRequest.cs
index 0956c749a2..30c1018c1e 100644
--- a/osu.Game/Online/API/APIRequest.cs
+++ b/osu.Game/Online/API/APIRequest.cs
@@ -16,7 +16,7 @@ namespace osu.Game.Online.API
     {
         protected override WebRequest CreateWebRequest() => new OsuJsonWebRequest<T>(Uri);
 
-        public T Result => ((JsonWebRequest<T>)WebRequest).ResponseObject;
+        public T Result => ((OsuJsonWebRequest<T>)WebRequest).ResponseObject;
 
         protected APIRequest()
         {
@@ -30,16 +30,6 @@ namespace osu.Game.Online.API
         /// This will be scheduled to the API's internal scheduler (run on update thread automatically).
         /// </summary>
         public new event APISuccessHandler<T> Success;
-
-        private class OsuJsonWebRequest<U> : JsonWebRequest<U>
-        {
-            public OsuJsonWebRequest(string uri)
-                : base(uri)
-            {
-            }
-
-            protected override string UserAgent => "osu!";
-        }
     }
 
     /// <summary>
@@ -162,16 +152,6 @@ namespace osu.Game.Online.API
             [JsonProperty("error")]
             public string ErrorMessage { get; set; }
         }
-
-        private class OsuWebRequest : WebRequest
-        {
-            public OsuWebRequest(string uri)
-                : base(uri)
-            {
-            }
-
-            protected override string UserAgent => "osu!";
-        }
     }
 
     public class APIException : InvalidOperationException
diff --git a/osu.Game/Online/API/OAuth.cs b/osu.Game/Online/API/OAuth.cs
index baf494ebf9..bdc47aab8d 100644
--- a/osu.Game/Online/API/OAuth.cs
+++ b/osu.Game/Online/API/OAuth.cs
@@ -4,7 +4,6 @@
 using System.Diagnostics;
 using System.Net.Http;
 using osu.Framework.Bindables;
-using osu.Framework.IO.Network;
 
 namespace osu.Game.Online.API
 {
@@ -166,7 +165,7 @@ namespace osu.Game.Online.API
             }
         }
 
-        private class AccessTokenRequest : JsonWebRequest<OAuthToken>
+        private class AccessTokenRequest : OsuJsonWebRequest<OAuthToken>
         {
             protected string GrantType;
 
diff --git a/osu.Game/Online/API/OsuJsonWebRequest.cs b/osu.Game/Online/API/OsuJsonWebRequest.cs
new file mode 100644
index 0000000000..4a45a8b261
--- /dev/null
+++ b/osu.Game/Online/API/OsuJsonWebRequest.cs
@@ -0,0 +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 osu.Framework.IO.Network;
+
+namespace osu.Game.Online.API
+{
+    public class OsuJsonWebRequest<T> : JsonWebRequest<T>
+    {
+        public OsuJsonWebRequest(string uri)
+            : base(uri)
+        {
+        }
+
+        public OsuJsonWebRequest()
+        {
+        }
+
+        protected override string UserAgent => "osu!";
+    }
+}
diff --git a/osu.Game/Online/API/OsuWebRequest.cs b/osu.Game/Online/API/OsuWebRequest.cs
new file mode 100644
index 0000000000..1d27899473
--- /dev/null
+++ b/osu.Game/Online/API/OsuWebRequest.cs
@@ -0,0 +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 osu.Framework.IO.Network;
+
+namespace osu.Game.Online.API
+{
+    public class OsuWebRequest : WebRequest
+    {
+        public OsuWebRequest(string uri)
+            : base(uri)
+        {
+        }
+
+        public OsuWebRequest()
+        {
+        }
+
+        protected override string UserAgent => "osu!";
+    }
+}
diff --git a/osu.Game/Online/API/RegistrationRequest.cs b/osu.Game/Online/API/RegistrationRequest.cs
index 349cd4de0c..f650e5c93b 100644
--- a/osu.Game/Online/API/RegistrationRequest.cs
+++ b/osu.Game/Online/API/RegistrationRequest.cs
@@ -2,11 +2,10 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using Newtonsoft.Json;
-using osu.Framework.IO.Network;
 
 namespace osu.Game.Online.API
 {
-    public class RegistrationRequest : WebRequest
+    public class RegistrationRequest : OsuWebRequest
     {
         internal string Username;
         internal string Email;
diff --git a/osu.Game/Overlays/BeatmapSet/Buttons/HeaderDownloadButton.cs b/osu.Game/Overlays/BeatmapSet/Buttons/HeaderDownloadButton.cs
index fe10287491..e0360c6312 100644
--- a/osu.Game/Overlays/BeatmapSet/Buttons/HeaderDownloadButton.cs
+++ b/osu.Game/Overlays/BeatmapSet/Buttons/HeaderDownloadButton.cs
@@ -24,7 +24,7 @@ namespace osu.Game.Overlays.BeatmapSet.Buttons
     {
         private readonly bool noVideo;
 
-        public string TooltipText => button.Enabled.Value ? "Download this beatmap" : "Login to download";
+        public string TooltipText => button.Enabled.Value ? "download this beatmap" : "login to download";
 
         private readonly IBindable<User> localUser = new Bindable<User>();
 
diff --git a/osu.Game/Overlays/Direct/PanelDownloadButton.cs b/osu.Game/Overlays/Direct/PanelDownloadButton.cs
index 4037cd46f3..ed44f1e960 100644
--- a/osu.Game/Overlays/Direct/PanelDownloadButton.cs
+++ b/osu.Game/Overlays/Direct/PanelDownloadButton.cs
@@ -48,7 +48,7 @@ namespace osu.Game.Overlays.Direct
             if (BeatmapSet.Value.OnlineInfo.Availability?.DownloadDisabled ?? false)
             {
                 button.Enabled.Value = false;
-                button.TooltipText = "This beatmap is currently not available for download.";
+                button.TooltipText = "this beatmap is currently not available for download.";
                 return;
             }
 
diff --git a/osu.Game/Overlays/Profile/Header/Components/LevelBadge.cs b/osu.Game/Overlays/Profile/Header/Components/LevelBadge.cs
index 8069937810..29471375b5 100644
--- a/osu.Game/Overlays/Profile/Header/Components/LevelBadge.cs
+++ b/osu.Game/Overlays/Profile/Header/Components/LevelBadge.cs
@@ -24,7 +24,7 @@ namespace osu.Game.Overlays.Profile.Header.Components
 
         public LevelBadge()
         {
-            TooltipText = "Level";
+            TooltipText = "level";
         }
 
         [BackgroundDependencyLoader]
diff --git a/osu.Game/Overlays/Profile/Header/Components/LevelProgressBar.cs b/osu.Game/Overlays/Profile/Header/Components/LevelProgressBar.cs
index 6a6532764f..a73ce56a2b 100644
--- a/osu.Game/Overlays/Profile/Header/Components/LevelProgressBar.cs
+++ b/osu.Game/Overlays/Profile/Header/Components/LevelProgressBar.cs
@@ -25,7 +25,7 @@ namespace osu.Game.Overlays.Profile.Header.Components
 
         public LevelProgressBar()
         {
-            TooltipText = "Progress to next level";
+            TooltipText = "progress to next level";
         }
 
         [BackgroundDependencyLoader]
diff --git a/osu.Game/Overlays/Settings/Sections/Input/KeyboardSettings.cs b/osu.Game/Overlays/Settings/Sections/Input/KeyboardSettings.cs
index 55c7210d6c..db6f24a954 100644
--- a/osu.Game/Overlays/Settings/Sections/Input/KeyboardSettings.cs
+++ b/osu.Game/Overlays/Settings/Sections/Input/KeyboardSettings.cs
@@ -16,7 +16,7 @@ namespace osu.Game.Overlays.Settings.Sections.Input
                 new SettingsButton
                 {
                     Text = "Key configuration",
-                    TooltipText = "Change global shortcut keys and gameplay bindings",
+                    TooltipText = "change global shortcut keys and gameplay bindings",
                     Action = keyConfig.ToggleVisibility
                 },
             };
diff --git a/osu.Game/Overlays/Settings/Sections/Input/MouseSettings.cs b/osu.Game/Overlays/Settings/Sections/Input/MouseSettings.cs
index 4f2f3dfd1a..59d39a1c3c 100644
--- a/osu.Game/Overlays/Settings/Sections/Input/MouseSettings.cs
+++ b/osu.Game/Overlays/Settings/Sections/Input/MouseSettings.cs
@@ -87,7 +87,7 @@ namespace osu.Game.Overlays.Settings.Sections.Input
 
         private class SensitivitySlider : OsuSliderBar<double>
         {
-            public override string TooltipText => Current.Disabled ? "Enable raw input to adjust sensitivity" : $"{base.TooltipText}x";
+            public override string TooltipText => Current.Disabled ? "enable raw input to adjust sensitivity" : $"{base.TooltipText}x";
         }
     }
 }
diff --git a/osu.Game/Overlays/Settings/SettingsItem.cs b/osu.Game/Overlays/Settings/SettingsItem.cs
index 55e1937d83..e89f2adf0b 100644
--- a/osu.Game/Overlays/Settings/SettingsItem.cs
+++ b/osu.Game/Overlays/Settings/SettingsItem.cs
@@ -161,7 +161,7 @@ namespace osu.Game.Overlays.Settings
                 UpdateState();
             }
 
-            public string TooltipText => "Revert to default";
+            public string TooltipText => "revert to default";
 
             protected override bool OnClick(ClickEvent e)
             {
diff --git a/osu.Game/Screens/Ranking/Pages/ReplayDownloadButton.cs b/osu.Game/Screens/Ranking/Pages/ReplayDownloadButton.cs
index 9cc6ea2628..62213720aa 100644
--- a/osu.Game/Screens/Ranking/Pages/ReplayDownloadButton.cs
+++ b/osu.Game/Screens/Ranking/Pages/ReplayDownloadButton.cs
@@ -74,15 +74,15 @@ namespace osu.Game.Screens.Ranking.Pages
                 switch (replayAvailability)
                 {
                     case ReplayAvailability.Local:
-                        button.TooltipText = @"Watch replay";
+                        button.TooltipText = @"watch replay";
                         break;
 
                     case ReplayAvailability.Online:
-                        button.TooltipText = @"Download replay";
+                        button.TooltipText = @"download replay";
                         break;
 
                     default:
-                        button.TooltipText = @"Replay unavailable";
+                        button.TooltipText = @"replay unavailable";
                         break;
                 }
             }, true);
diff --git a/osu.Game/Screens/Ranking/Pages/RetryButton.cs b/osu.Game/Screens/Ranking/Pages/RetryButton.cs
index 2a281224c1..06d0440b30 100644
--- a/osu.Game/Screens/Ranking/Pages/RetryButton.cs
+++ b/osu.Game/Screens/Ranking/Pages/RetryButton.cs
@@ -39,7 +39,7 @@ namespace osu.Game.Screens.Ranking.Pages
                 },
             };
 
-            TooltipText = "Retry";
+            TooltipText = "retry";
         }
 
         [BackgroundDependencyLoader]
diff --git a/osu.Game/Updater/SimpleUpdateManager.cs b/osu.Game/Updater/SimpleUpdateManager.cs
index f76cba7f41..5412b11b33 100644
--- a/osu.Game/Updater/SimpleUpdateManager.cs
+++ b/osu.Game/Updater/SimpleUpdateManager.cs
@@ -7,8 +7,8 @@ using Newtonsoft.Json;
 using osu.Framework;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics.Sprites;
-using osu.Framework.IO.Network;
 using osu.Framework.Platform;
+using osu.Game.Online.API;
 using osu.Game.Overlays.Notifications;
 
 namespace osu.Game.Updater
@@ -36,7 +36,7 @@ namespace osu.Game.Updater
         {
             try
             {
-                var releases = new JsonWebRequest<GitHubRelease>("https://api.github.com/repos/ppy/osu/releases/latest");
+                var releases = new OsuJsonWebRequest<GitHubRelease>("https://api.github.com/repos/ppy/osu/releases/latest");
 
                 await releases.PerformAsync();
 
diff --git a/osu.Game/Users/Drawables/DrawableAvatar.cs b/osu.Game/Users/Drawables/DrawableAvatar.cs
index ee9af15863..93136e88a0 100644
--- a/osu.Game/Users/Drawables/DrawableAvatar.cs
+++ b/osu.Game/Users/Drawables/DrawableAvatar.cs
@@ -74,7 +74,7 @@ namespace osu.Game.Users.Drawables
 
         private class ClickableArea : OsuClickableContainer
         {
-            public override string TooltipText => Enabled.Value ? @"View Profile" : null;
+            public override string TooltipText => Enabled.Value ? @"view profile" : null;
 
             protected override bool OnClick(ClickEvent e)
             {