diff --git a/osu.Desktop.VisualTests/Tests/TestCaseScoreCounter.cs b/osu.Desktop.VisualTests/Tests/TestCaseScoreCounter.cs
index 2dafa261d0..774d1e00d3 100644
--- a/osu.Desktop.VisualTests/Tests/TestCaseScoreCounter.cs
+++ b/osu.Desktop.VisualTests/Tests/TestCaseScoreCounter.cs
@@ -8,7 +8,6 @@ using osu.Framework.Graphics.Sprites;
 using osu.Framework.MathUtils;
 using osu.Framework.Screens.Testing;
 using osu.Game.Graphics.UserInterface;
-using osu.Game.Modes.Osu.UI;
 using osu.Game.Modes.UI;
 
 namespace osu.Desktop.VisualTests.Tests
@@ -35,23 +34,22 @@ namespace osu.Desktop.VisualTests.Tests
             };
             Add(score);
 
-            ComboCounter standardCombo = new OsuComboCounter
+            ComboCounter comboCounter = new StandardComboCounter
             {
                 Origin = Anchor.BottomLeft,
                 Anchor = Anchor.BottomLeft,
                 Margin = new MarginPadding(10),
-                Count = 0,
                 TextSize = 40,
             };
-            Add(standardCombo);
+            Add(comboCounter);
 
-            PercentageCounter accuracyCombo = new PercentageCounter
+            PercentageCounter accuracyCounter = new PercentageCounter
             {
                 Origin = Anchor.TopRight,
                 Anchor = Anchor.TopRight,
                 Position = new Vector2(-20, 60),
             };
-            Add(accuracyCombo);
+            Add(accuracyCounter);
 
             StarCounter stars = new StarCounter
             {
@@ -74,26 +72,26 @@ namespace osu.Desktop.VisualTests.Tests
             AddButton(@"Reset all", delegate
             {
                 score.Count = 0;
-                standardCombo.Count = 0;
+                comboCounter.Current.Value = 0;
                 numerator = denominator = 0;
-                accuracyCombo.SetFraction(0, 0);
+                accuracyCounter.SetFraction(0, 0);
                 stars.Count = 0;
                 starsLabel.Text = stars.Count.ToString("0.00");
             });
 
             AddButton(@"Hit! :D", delegate
             {
-                score.Count += 300 + (ulong)(300.0 * (standardCombo.Count > 0 ? standardCombo.Count - 1 : 0) / 25.0);
-                standardCombo.Count++;
+                score.Count += 300 + (ulong)(300.0 * (comboCounter.Current > 0 ? comboCounter.Current - 1 : 0) / 25.0);
+                comboCounter.Increment();
                 numerator++; denominator++;
-                accuracyCombo.SetFraction(numerator, denominator);
+                accuracyCounter.SetFraction(numerator, denominator);
             });
 
             AddButton(@"miss...", delegate
             {
-                standardCombo.Roll();
+                comboCounter.Current.Value = 0;
                 denominator++;
-                accuracyCombo.SetFraction(numerator, denominator);
+                accuracyCounter.SetFraction(numerator, denominator);
             });
 
             AddButton(@"Alter stars", delegate
@@ -105,8 +103,8 @@ namespace osu.Desktop.VisualTests.Tests
             AddButton(@"Stop counters", delegate
             {
                 score.StopRolling();
-                standardCombo.StopRolling();
-                accuracyCombo.StopRolling();
+                comboCounter.StopRolling();
+                accuracyCounter.StopRolling();
                 stars.StopAnimation();
             });
         }
diff --git a/osu.Game.Modes.Catch/CatchRuleset.cs b/osu.Game.Modes.Catch/CatchRuleset.cs
index 155d9e9a1e..41f592aa9d 100644
--- a/osu.Game.Modes.Catch/CatchRuleset.cs
+++ b/osu.Game.Modes.Catch/CatchRuleset.cs
@@ -1,20 +1,19 @@
 // Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using System.Collections.Generic;
+using OpenTK.Input;
+using osu.Game.Beatmaps;
 using osu.Game.Graphics;
 using osu.Game.Modes.Catch.UI;
 using osu.Game.Modes.Objects;
-using osu.Game.Modes.Osu.UI;
 using osu.Game.Modes.UI;
-using osu.Game.Beatmaps;
+using osu.Game.Screens.Play;
+using System.Collections.Generic;
 
 namespace osu.Game.Modes.Catch
 {
     public class CatchRuleset : Ruleset
     {
-        public override ScoreOverlay CreateScoreOverlay() => new OsuScoreOverlay();
-
         public override HitRenderer CreateHitRendererWith(Beatmap beatmap) => new CatchHitRenderer
         {
             Beatmap = beatmap,
@@ -83,6 +82,13 @@ namespace osu.Game.Modes.Catch
 
         public override FontAwesome Icon => FontAwesome.fa_osu_fruits_o;
 
+        public override IEnumerable<KeyCounter> CreateGameplayKeys() => new KeyCounter[]
+        {
+            new KeyCounterKeyboard(Key.ShiftLeft),
+            new KeyCounterMouse(MouseButton.Left),
+            new KeyCounterMouse(MouseButton.Right)
+        };
+
         public override ScoreProcessor CreateScoreProcessor(int hitObjectCount = 0) => null;
 
         public override HitObjectParser CreateHitObjectParser() => new NullHitObjectParser();
diff --git a/osu.Game.Modes.Mania/ManiaRuleset.cs b/osu.Game.Modes.Mania/ManiaRuleset.cs
index 5487606b26..0b69fea746 100644
--- a/osu.Game.Modes.Mania/ManiaRuleset.cs
+++ b/osu.Game.Modes.Mania/ManiaRuleset.cs
@@ -1,20 +1,18 @@
 // Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using System.Collections.Generic;
+using osu.Game.Beatmaps;
 using osu.Game.Graphics;
 using osu.Game.Modes.Mania.UI;
 using osu.Game.Modes.Objects;
-using osu.Game.Modes.Osu.UI;
 using osu.Game.Modes.UI;
-using osu.Game.Beatmaps;
+using osu.Game.Screens.Play;
+using System.Collections.Generic;
 
 namespace osu.Game.Modes.Mania
 {
     public class ManiaRuleset : Ruleset
     {
-        public override ScoreOverlay CreateScoreOverlay() => new OsuScoreOverlay();
-
         public override HitRenderer CreateHitRendererWith(Beatmap beatmap) => new ManiaHitRenderer
         {
             Beatmap = beatmap,
@@ -104,6 +102,8 @@ namespace osu.Game.Modes.Mania
 
         public override FontAwesome Icon => FontAwesome.fa_osu_mania_o;
 
+        public override IEnumerable<KeyCounter> CreateGameplayKeys() => new KeyCounter[] { /* Todo: Should be keymod specific */ };
+
         public override ScoreProcessor CreateScoreProcessor(int hitObjectCount = 0) => null;
 
         public override HitObjectParser CreateHitObjectParser() => new NullHitObjectParser();
diff --git a/osu.Game.Modes.Osu/OsuRuleset.cs b/osu.Game.Modes.Osu/OsuRuleset.cs
index 3cfce84448..566a22b6ad 100644
--- a/osu.Game.Modes.Osu/OsuRuleset.cs
+++ b/osu.Game.Modes.Osu/OsuRuleset.cs
@@ -1,21 +1,21 @@
 // Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using System.Collections.Generic;
-using System.Linq;
+using OpenTK.Input;
 using osu.Game.Beatmaps;
 using osu.Game.Graphics;
 using osu.Game.Modes.Objects;
 using osu.Game.Modes.Osu.Objects;
 using osu.Game.Modes.Osu.UI;
 using osu.Game.Modes.UI;
+using osu.Game.Screens.Play;
+using System.Collections.Generic;
+using System.Linq;
 
 namespace osu.Game.Modes.Osu
 {
     public class OsuRuleset : Ruleset
     {
-        public override ScoreOverlay CreateScoreOverlay() => new OsuScoreOverlay();
-
         public override HitRenderer CreateHitRendererWith(Beatmap beatmap) => new OsuHitRenderer
         {
             Beatmap = beatmap,
@@ -113,5 +113,13 @@ namespace osu.Game.Modes.Osu
         protected override PlayMode PlayMode => PlayMode.Osu;
 
         public override string Description => "osu!";
+
+        public override IEnumerable<KeyCounter> CreateGameplayKeys() => new KeyCounter[]
+        {
+            new KeyCounterKeyboard(Key.Z),
+            new KeyCounterKeyboard(Key.X),
+            new KeyCounterMouse(MouseButton.Left),
+            new KeyCounterMouse(MouseButton.Right)
+        };
     }
 }
diff --git a/osu.Game.Modes.Osu/osu.Game.Modes.Osu.csproj b/osu.Game.Modes.Osu/osu.Game.Modes.Osu.csproj
index 0571ec2956..ea03841b82 100644
--- a/osu.Game.Modes.Osu/osu.Game.Modes.Osu.csproj
+++ b/osu.Game.Modes.Osu/osu.Game.Modes.Osu.csproj
@@ -74,7 +74,6 @@
     <Compile Include="OsuDifficultyCalculator.cs" />
     <Compile Include="OsuScore.cs" />
     <Compile Include="OsuScoreProcessor.cs" />
-    <Compile Include="UI\OsuComboCounter.cs" />
     <Compile Include="UI\OsuHitRenderer.cs" />
     <Compile Include="UI\OsuPlayfield.cs" />
     <Compile Include="OsuRuleset.cs" />
@@ -85,7 +84,6 @@
     <Compile Include="Objects\Slider.cs" />
     <Compile Include="Objects\Spinner.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
-    <Compile Include="UI\OsuScoreOverlay.cs" />
     <Compile Include="OsuMod.cs" />
   </ItemGroup>
   <ItemGroup>
diff --git a/osu.Game.Modes.Taiko/TaikoRuleset.cs b/osu.Game.Modes.Taiko/TaikoRuleset.cs
index be23045f4d..e88c9cee86 100644
--- a/osu.Game.Modes.Taiko/TaikoRuleset.cs
+++ b/osu.Game.Modes.Taiko/TaikoRuleset.cs
@@ -1,20 +1,19 @@
 // Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
+using OpenTK.Input;
 using osu.Game.Beatmaps;
 using osu.Game.Graphics;
 using osu.Game.Modes.Objects;
-using osu.Game.Modes.Osu.UI;
 using osu.Game.Modes.Taiko.UI;
 using osu.Game.Modes.UI;
+using osu.Game.Screens.Play;
 using System.Collections.Generic;
 
 namespace osu.Game.Modes.Taiko
 {
     public class TaikoRuleset : Ruleset
     {
-        public override ScoreOverlay CreateScoreOverlay() => new OsuScoreOverlay();
-
         public override HitRenderer CreateHitRendererWith(Beatmap beatmap) => new TaikoHitRenderer
         {
             Beatmap = beatmap,
@@ -83,6 +82,14 @@ namespace osu.Game.Modes.Taiko
 
         public override FontAwesome Icon => FontAwesome.fa_osu_taiko_o;
 
+        public override IEnumerable<KeyCounter> CreateGameplayKeys() => new KeyCounter[]
+        {
+            new KeyCounterKeyboard(Key.D),
+            new KeyCounterKeyboard(Key.F),
+            new KeyCounterKeyboard(Key.J),
+            new KeyCounterKeyboard(Key.K)
+        };
+
         public override ScoreProcessor CreateScoreProcessor(int hitObjectCount = 0) => null;
 
         public override HitObjectParser CreateHitObjectParser() => new NullHitObjectParser();
diff --git a/osu.Game/Modes/Ruleset.cs b/osu.Game/Modes/Ruleset.cs
index c004ae4092..d8892e64e9 100644
--- a/osu.Game/Modes/Ruleset.cs
+++ b/osu.Game/Modes/Ruleset.cs
@@ -1,13 +1,14 @@
 // Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using System.Collections.Generic;
-using osu.Game.Modes.Objects;
-using osu.Game.Modes.UI;
-using System;
-using System.Collections.Concurrent;
 using osu.Game.Beatmaps;
 using osu.Game.Graphics;
+using osu.Game.Modes.Objects;
+using osu.Game.Modes.UI;
+using osu.Game.Screens.Play;
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
 
 namespace osu.Game.Modes
 {
@@ -24,8 +25,6 @@ namespace osu.Game.Modes
 
         public static IEnumerable<PlayMode> PlayModes => availableRulesets.Keys;
 
-        public abstract ScoreOverlay CreateScoreOverlay();
-
         public virtual IEnumerable<BeatmapStatistic> GetBeatmapStatistics(WorkingBeatmap beatmap) => new BeatmapStatistic[] { };
 
         public abstract IEnumerable<Mod> GetModsFor(ModType type);
@@ -46,6 +45,8 @@ namespace osu.Game.Modes
 
         public abstract string Description { get; }
 
+        public abstract IEnumerable<KeyCounter> CreateGameplayKeys();
+
         public virtual Score CreateAutoplayScore(Beatmap beatmap) => null;
 
         public static Ruleset GetRuleset(PlayMode mode)
diff --git a/osu.Game/Modes/Score.cs b/osu.Game/Modes/Score.cs
index 1a761bea5d..4effe9affd 100644
--- a/osu.Game/Modes/Score.cs
+++ b/osu.Game/Modes/Score.cs
@@ -9,9 +9,9 @@ namespace osu.Game.Modes
     {
         public double TotalScore { get; set; }
         public double Accuracy { get; set; }
-        public double Combo { get; set; }
-        public double MaxCombo { get; set; }
         public double Health { get; set; }
+        public int MaxCombo { get; set; }
+        public int Combo { get; set; }
 
         public Replay Replay;
         public BeatmapInfo Beatmap;
diff --git a/osu.Game/Modes/ScoreProcesssor.cs b/osu.Game/Modes/ScoreProcesssor.cs
index 0433df66a9..554996c145 100644
--- a/osu.Game/Modes/ScoreProcesssor.cs
+++ b/osu.Game/Modes/ScoreProcesssor.cs
@@ -1,10 +1,10 @@
 // Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using System;
-using System.Collections.Generic;
 using osu.Framework.Configuration;
 using osu.Game.Modes.Objects.Drawables;
+using System;
+using System.Collections.Generic;
 
 namespace osu.Game.Modes
 {
diff --git a/osu.Game/Modes/UI/ComboCounter.cs b/osu.Game/Modes/UI/ComboCounter.cs
index a549246011..f831677e44 100644
--- a/osu.Game/Modes/UI/ComboCounter.cs
+++ b/osu.Game/Modes/UI/ComboCounter.cs
@@ -1,6 +1,7 @@
 // Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
+using osu.Framework.Configuration;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Primitives;
@@ -13,10 +14,12 @@ namespace osu.Game.Modes.UI
 {
     public abstract class ComboCounter : Container
     {
-        public bool IsRolling
+        public BindableInt Current = new BindableInt
         {
-            get; protected set;
-        }
+            MinValue = 0,
+        };
+
+        public bool IsRolling { get; protected set; }
 
         protected SpriteText PopOutCount;
 
@@ -37,60 +40,9 @@ namespace osu.Game.Modes.UI
         /// </summary>
         protected EasingTypes RollingEasing => EasingTypes.None;
 
-        private ulong displayedCount;
-
-        /// <summary>
-        /// Value shown at the current moment.
-        /// </summary>
-        public virtual ulong DisplayedCount
-        {
-            get
-            {
-                return displayedCount;
-            }
-            protected set
-            {
-                if (displayedCount.Equals(value))
-                    return;
-                updateDisplayedCount(displayedCount, value, IsRolling);
-            }
-        }
-
-        private ulong count;
-
-        /// <summary>
-        /// Actual value of counter.
-        /// </summary>
-        public virtual ulong Count
-        {
-            get
-            {
-                return count;
-            }
-            set
-            {
-                updateCount(value);
-            }
-        }
-
-        public void Increment(ulong amount = 1)
-        {
-            Count = Count + amount;
-        }
-
         protected SpriteText DisplayedCountSpriteText;
 
-        private float textSize;
-        public float TextSize
-        {
-            get { return textSize; }
-            set
-            {
-                textSize = value;
-                DisplayedCountSpriteText.TextSize = TextSize;
-                PopOutCount.TextSize = TextSize;
-            }
-        }
+        private int previousValue;
 
         /// <summary>
         /// Base of all combo counters.
@@ -113,73 +65,97 @@ namespace osu.Game.Modes.UI
             };
 
             TextSize = 80;
+
+            Current.ValueChanged += comboChanged;
+        }
+
+        private void comboChanged(object sender, System.EventArgs e)
+        {
+            updateCount(Current.Value == 0);
         }
 
         protected override void LoadComplete()
         {
             base.LoadComplete();
 
-            DisplayedCountSpriteText.Text = FormatCount(Count);
+            DisplayedCountSpriteText.Text = FormatCount(Current);
             DisplayedCountSpriteText.Anchor = Anchor;
             DisplayedCountSpriteText.Origin = Origin;
 
             StopRolling();
         }
 
+        private int displayedCount;
+        /// <summary>
+        /// Value shown at the current moment.
+        /// </summary>
+        public virtual int DisplayedCount
+        {
+            get { return displayedCount; }
+            protected set
+            {
+                if (displayedCount.Equals(value))
+                    return;
+                updateDisplayedCount(displayedCount, value, IsRolling);
+            }
+        }
+
+        private float textSize;
+        public float TextSize
+        {
+            get { return textSize; }
+            set
+            {
+                textSize = value;
+                DisplayedCountSpriteText.TextSize = TextSize;
+                PopOutCount.TextSize = TextSize;
+            }
+        }
+
+        /// <summary>
+        /// Increments the combo by an amount.
+        /// </summary>
+        /// <param name="amount"></param>
+        public void Increment(int amount = 1)
+        {
+            Current.Value = Current + amount;
+        }
+
         /// <summary>
         /// Stops rollover animation, forcing the displayed count to be the actual count.
         /// </summary>
         public void StopRolling()
         {
-            updateCount(Count);
+            updateCount(false);
         }
 
-        /// <summary>
-        /// Animates roll-up/roll-back to an specific value.
-        /// </summary>
-        /// <param name="newValue">Target value.</param>
-        public virtual void Roll(ulong newValue = 0)
-        {
-            updateCount(newValue, true);
-        }
-
-        /// <summary>
-        /// Resets count to default value.
-        /// </summary>
-        public virtual void ResetCount()
-        {
-            updateCount(0);
-        }
-
-        protected virtual string FormatCount(ulong count)
+        protected virtual string FormatCount(int count)
         {
             return count.ToString();
         }
 
-        protected abstract void OnDisplayedCountRolling(ulong currentValue, ulong newValue);
-        protected abstract void OnDisplayedCountIncrement(ulong newValue);
-        protected abstract void OnDisplayedCountChange(ulong newValue);
-
-        protected virtual void OnCountRolling(ulong currentValue, ulong newValue)
+        protected virtual void OnCountRolling(int currentValue, int newValue)
         {
             transformRoll(new TransformComboRoll(), currentValue, newValue);
         }
 
-        protected virtual void OnCountIncrement(ulong currentValue, ulong newValue) {
+        protected virtual void OnCountIncrement(int currentValue, int newValue)
+        {
             DisplayedCount = newValue;
         }
 
-        protected virtual void OnCountChange(ulong currentValue, ulong newValue) {
+        protected virtual void OnCountChange(int currentValue, int newValue)
+        {
             DisplayedCount = newValue;
         }
 
-        private double getProportionalDuration(ulong currentValue, ulong newValue)
+        private double getProportionalDuration(int currentValue, int newValue)
         {
             double difference = currentValue > newValue ? currentValue - newValue : newValue - currentValue;
             return difference * RollingDuration;
         }
 
-        private void updateDisplayedCount(ulong currentValue, ulong newValue, bool rolling)
+        private void updateDisplayedCount(int currentValue, int newValue, bool rolling)
         {
             displayedCount = newValue;
             if (rolling)
@@ -190,10 +166,10 @@ namespace osu.Game.Modes.UI
                 OnDisplayedCountChange(newValue);
         }
 
-        private void updateCount(ulong value, bool rolling = false)
+        private void updateCount(bool rolling)
         {
-            ulong prevCount = count;
-            count = value;
+            int prev = previousValue;
+            previousValue = Current;
 
             if (!IsLoaded)
                 return;
@@ -202,27 +178,27 @@ namespace osu.Game.Modes.UI
             {
                 Flush(false, typeof(TransformComboRoll));
                 IsRolling = false;
-                DisplayedCount = prevCount;
+                DisplayedCount = prev;
 
-                if (prevCount + 1 == count)
-                    OnCountIncrement(prevCount, count);
+                if (prev + 1 == Current)
+                    OnCountIncrement(prev, Current);
                 else
-                    OnCountChange(prevCount, count);
+                    OnCountChange(prev, Current);
             }
             else
             {
-                OnCountRolling(displayedCount, count);
+                OnCountRolling(displayedCount, Current);
                 IsRolling = true;
             }
         }
 
-        private void transformRoll(TransformComboRoll transform, ulong currentValue, ulong newValue)
+        private void transformRoll(TransformComboRoll transform, int currentValue, int newValue)
         {
             Flush(false, typeof(TransformComboRoll));
 
             if (RollingDuration < 1)
             {
-                DisplayedCount = Count;
+                DisplayedCount = Current;
                 return;
             }
 
@@ -235,9 +211,9 @@ namespace osu.Game.Modes.UI
             Transforms.Add(transform);
         }
 
-        protected class TransformComboRoll : Transform<ulong>
+        protected class TransformComboRoll : Transform<int>
         {
-            protected override ulong CurrentValue
+            protected override int CurrentValue
             {
                 get
                 {
@@ -245,7 +221,7 @@ namespace osu.Game.Modes.UI
                     if (time < StartTime) return StartValue;
                     if (time >= EndTime) return EndValue;
 
-                    return (ulong)Interpolation.ValueAt(time, StartValue, EndValue, StartTime, EndTime, Easing);
+                    return (int)Interpolation.ValueAt(time, StartValue, EndValue, StartTime, EndTime, Easing);
                 }
             }
 
@@ -256,12 +232,8 @@ namespace osu.Game.Modes.UI
             }
         }
 
-        public void Set(ulong value)
-        {
-            if (value == 0)
-                Roll();
-            else
-                Count = value;
-        }
+        protected abstract void OnDisplayedCountRolling(int currentValue, int newValue);
+        protected abstract void OnDisplayedCountIncrement(int newValue);
+        protected abstract void OnDisplayedCountChange(int newValue);
     }
 }
diff --git a/osu.Game/Modes/UI/HealthDisplay.cs b/osu.Game/Modes/UI/HealthDisplay.cs
index ddd4c1db42..3471f4bc3f 100644
--- a/osu.Game/Modes/UI/HealthDisplay.cs
+++ b/osu.Game/Modes/UI/HealthDisplay.cs
@@ -1,72 +1,24 @@
 // Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using System;
-using osu.Framework.Allocation;
 using osu.Framework.Configuration;
-using osu.Framework.Extensions.Color4Extensions;
-using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
-using osu.Framework.Graphics.Sprites;
-using osu.Framework.Graphics.Transforms;
-using osu.Game.Graphics;
-using OpenTK;
-using OpenTK.Graphics;
 
 namespace osu.Game.Modes.UI
 {
-    public class HealthDisplay : Container
+    public abstract class HealthDisplay : Container
     {
-        private Container fill;
-
-        public BindableDouble Current = new BindableDouble
+        public readonly BindableDouble Current = new BindableDouble
         {
             MinValue = 0,
             MaxValue = 1
         };
 
-        public HealthDisplay()
+        protected HealthDisplay()
         {
-            Children = new Drawable[]
-            {
-                new Box
-                {
-                    RelativeSizeAxes = Axes.Both,
-                    Colour = Color4.Black,
-                },
-                fill = new Container
-                {
-                    RelativeSizeAxes = Axes.Both,
-                    Scale = new Vector2(0, 1),
-                    Masking = true,
-                    Children = new[]
-                    {
-                        new Box
-                        {
-                            RelativeSizeAxes = Axes.Both,
-                        }
-                    }
-                },
-            };
-
-            Current.ValueChanged += current_ValueChanged;
+            Current.ValueChanged += (s, e) => SetHealth((float)Current);
         }
 
-        [BackgroundDependencyLoader]
-        private void laod(OsuColour colours)
-        {
-            fill.Colour = colours.BlueLighter;
-            fill.EdgeEffect = new EdgeEffect
-            {
-                Colour = colours.BlueDarker.Opacity(0.6f),
-                Radius = 8,
-                Type=  EdgeEffectType.Glow
-            };
-        }
-
-        private void current_ValueChanged(object sender, EventArgs e)
-        {
-            fill.ScaleTo(new Vector2((float)Current, 1), 200, EasingTypes.OutQuint);
-        }
+        protected abstract void SetHealth(float value);
     }
 }
diff --git a/osu.Game/Modes/UI/ScoreOverlay.cs b/osu.Game/Modes/UI/HudOverlay.cs
similarity index 74%
rename from osu.Game/Modes/UI/ScoreOverlay.cs
rename to osu.Game/Modes/UI/HudOverlay.cs
index 09f34d4c2e..2a17b5efd7 100644
--- a/osu.Game/Modes/UI/ScoreOverlay.cs
+++ b/osu.Game/Modes/UI/HudOverlay.cs
@@ -1,28 +1,25 @@
 // Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using System;
+using osu.Framework.Allocation;
+using osu.Framework.Configuration;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
+using osu.Game.Configuration;
 using osu.Game.Graphics.UserInterface;
 using osu.Game.Modes.Objects;
-using OpenTK;
-using osu.Framework.Graphics.Primitives;
 using osu.Game.Screens.Play;
-using osu.Framework.Allocation;
-using osu.Game.Configuration;
-using osu.Framework.Configuration;
+using System;
 
 namespace osu.Game.Modes.UI
 {
-    public abstract class ScoreOverlay : Container
+    public abstract class HudOverlay : Container
     {
-        public KeyCounterCollection KeyCounter;
-        public ComboCounter ComboCounter;
-        public ScoreCounter ScoreCounter;
-        public PercentageCounter AccuracyCounter;
-        public HealthDisplay HealthDisplay;
-        public Score Score { get; set; }
+        public readonly KeyCounterCollection KeyCounter;
+        public readonly ComboCounter ComboCounter;
+        public readonly ScoreCounter ScoreCounter;
+        public readonly PercentageCounter AccuracyCounter;
+        public readonly HealthDisplay HealthDisplay;
 
         private Bindable<bool> showKeyCounter;
 
@@ -30,12 +27,7 @@ namespace osu.Game.Modes.UI
         protected abstract ComboCounter CreateComboCounter();
         protected abstract PercentageCounter CreateAccuracyCounter();
         protected abstract ScoreCounter CreateScoreCounter();
-        protected virtual HealthDisplay CreateHealthDisplay() => new HealthDisplay
-        {
-            Size = new Vector2(1, 5),
-            RelativeSizeAxes = Axes.X,
-            Margin = new MarginPadding { Top = 20 }
-        };
+        protected abstract HealthDisplay CreateHealthDisplay();
 
         public virtual void OnHit(HitObject h)
         {
@@ -46,15 +38,16 @@ namespace osu.Game.Modes.UI
 
         public virtual void OnMiss(HitObject h)
         {
-            ComboCounter?.Roll();
+            ComboCounter.Current.Value = 0;
             AccuracyCounter?.Set(AccuracyCounter.Count - 0.01f);
         }
 
-        protected ScoreOverlay()
+        protected HudOverlay()
         {
             RelativeSizeAxes = Axes.Both;
 
-            Children = new Drawable[] {
+            Children = new Drawable[]
+            {
                 KeyCounter = CreateKeyCounter(),
                 ComboCounter = CreateComboCounter(),
                 ScoreCounter = CreateScoreCounter(),
@@ -85,7 +78,7 @@ namespace osu.Game.Modes.UI
             //TODO: these should be bindable binds, not events!
             processor.TotalScore.ValueChanged += delegate { ScoreCounter?.Set((ulong)processor.TotalScore.Value); };
             processor.Accuracy.ValueChanged += delegate { AccuracyCounter?.Set((float)processor.Accuracy.Value); };
-            processor.Combo.ValueChanged += delegate { ComboCounter?.Set((ulong)processor.Combo.Value); };
+            ComboCounter?.Current.BindTo(processor.Combo);
             HealthDisplay?.Current.BindTo(processor.Health);
         }
 
diff --git a/osu.Game.Modes.Osu/UI/OsuComboCounter.cs b/osu.Game/Modes/UI/StandardComboCounter.cs
similarity index 75%
rename from osu.Game.Modes.Osu/UI/OsuComboCounter.cs
rename to osu.Game/Modes/UI/StandardComboCounter.cs
index fe24b021a6..08bb3add84 100644
--- a/osu.Game.Modes.Osu/UI/OsuComboCounter.cs
+++ b/osu.Game/Modes/UI/StandardComboCounter.cs
@@ -1,15 +1,14 @@
 // Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using osu.Game.Modes.UI;
 using OpenTK;
 
-namespace osu.Game.Modes.Osu.UI
+namespace osu.Game.Modes.UI
 {
     /// <summary>
-    /// Uses the 'x' symbol and has a pop-out effect while rolling over. Used in osu! standard.
+    /// Uses the 'x' symbol and has a pop-out effect while rolling over.
     /// </summary>
-    public class OsuComboCounter : ComboCounter
+    public class StandardComboCounter : ComboCounter
     {
         protected uint ScheduledPopOutCurrentId;
 
@@ -26,12 +25,12 @@ namespace osu.Game.Modes.Osu.UI
             PopOutCount.Anchor = Anchor;
         }
 
-        protected override string FormatCount(ulong count)
+        protected override string FormatCount(int count)
         {
             return $@"{count}x";
         }
 
-        protected virtual void TransformPopOut(ulong newValue)
+        protected virtual void TransformPopOut(int newValue)
         {
             PopOutCount.Text = FormatCount(newValue);
 
@@ -44,19 +43,19 @@ namespace osu.Game.Modes.Osu.UI
             PopOutCount.MoveTo(DisplayedCountSpriteText.Position, PopOutDuration, PopOutEasing);
         }
 
-        protected virtual void TransformPopOutRolling(ulong newValue)
+        protected virtual void TransformPopOutRolling(int newValue)
         {
             TransformPopOut(newValue);
             TransformPopOutSmall(newValue);
         }
 
-        protected virtual void TransformNoPopOut(ulong newValue)
+        protected virtual void TransformNoPopOut(int newValue)
         {
             DisplayedCountSpriteText.Text = FormatCount(newValue);
             DisplayedCountSpriteText.ScaleTo(1);
         }
 
-        protected virtual void TransformPopOutSmall(ulong newValue)
+        protected virtual void TransformPopOutSmall(int newValue)
         {
             DisplayedCountSpriteText.Text = FormatCount(newValue);
             DisplayedCountSpriteText.ScaleTo(PopOutSmallScale);
@@ -72,7 +71,7 @@ namespace osu.Game.Modes.Osu.UI
             DisplayedCount++;
         }
 
-        protected override void OnCountRolling(ulong currentValue, ulong newValue)
+        protected override void OnCountRolling(int currentValue, int newValue)
         {
             ScheduledPopOutCurrentId++;
 
@@ -83,7 +82,7 @@ namespace osu.Game.Modes.Osu.UI
             base.OnCountRolling(currentValue, newValue);
         }
 
-        protected override void OnCountIncrement(ulong currentValue, ulong newValue)
+        protected override void OnCountIncrement(int currentValue, int newValue)
         {
             ScheduledPopOutCurrentId++;
 
@@ -93,7 +92,7 @@ namespace osu.Game.Modes.Osu.UI
             DisplayedCountSpriteText.Show();
 
             TransformPopOut(newValue);
-            
+
             uint newTaskId = ScheduledPopOutCurrentId;
             Scheduler.AddDelayed(delegate
             {
@@ -101,7 +100,7 @@ namespace osu.Game.Modes.Osu.UI
             }, PopOutDuration);
         }
 
-        protected override void OnCountChange(ulong currentValue, ulong newValue)
+        protected override void OnCountChange(int currentValue, int newValue)
         {
             ScheduledPopOutCurrentId++;
 
@@ -111,7 +110,7 @@ namespace osu.Game.Modes.Osu.UI
             base.OnCountChange(currentValue, newValue);
         }
 
-        protected override void OnDisplayedCountRolling(ulong currentValue, ulong newValue)
+        protected override void OnDisplayedCountRolling(int currentValue, int newValue)
         {
             if (newValue == 0)
                 DisplayedCountSpriteText.FadeOut(FadeOutDuration);
@@ -124,14 +123,14 @@ namespace osu.Game.Modes.Osu.UI
                 TransformNoPopOut(newValue);
         }
 
-        protected override void OnDisplayedCountChange(ulong newValue)
+        protected override void OnDisplayedCountChange(int newValue)
         {
             DisplayedCountSpriteText.FadeTo(newValue == 0 ? 0 : 1);
 
             TransformNoPopOut(newValue);
         }
 
-        protected override void OnDisplayedCountIncrement(ulong newValue)
+        protected override void OnDisplayedCountIncrement(int newValue)
         {
             DisplayedCountSpriteText.Show();
 
diff --git a/osu.Game/Modes/UI/StandardHealthDisplay.cs b/osu.Game/Modes/UI/StandardHealthDisplay.cs
new file mode 100644
index 0000000000..b6a3dc7f89
--- /dev/null
+++ b/osu.Game/Modes/UI/StandardHealthDisplay.cs
@@ -0,0 +1,60 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+
+using OpenTK;
+using OpenTK.Graphics;
+using osu.Framework.Allocation;
+using osu.Framework.Extensions.Color4Extensions;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Sprites;
+using osu.Framework.Graphics.Transforms;
+using osu.Game.Graphics;
+
+namespace osu.Game.Modes.UI
+{
+    public class StandardHealthDisplay : HealthDisplay
+    {
+        private Container fill;
+
+        public StandardHealthDisplay()
+        {
+            Children = new Drawable[]
+            {
+                new Box
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Colour = Color4.Black,
+                },
+                fill = new Container
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Scale = new Vector2(0, 1),
+                    Masking = true,
+                    Children = new[]
+                    {
+                        new Box
+                        {
+                            RelativeSizeAxes = Axes.Both,
+                        }
+                    }
+                },
+            };
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(OsuColour colours)
+        {
+            fill.Colour = colours.BlueLighter;
+            fill.EdgeEffect = new EdgeEffect
+            {
+                Colour = colours.BlueDarker.Opacity(0.6f),
+                Radius = 8,
+                Type = EdgeEffectType.Glow
+            };
+        }
+
+        protected override void SetHealth(float value) => fill.ScaleTo(new Vector2(value, 1), 200, EasingTypes.OutQuint);
+    }
+}
diff --git a/osu.Game.Modes.Osu/UI/OsuScoreOverlay.cs b/osu.Game/Modes/UI/StandardHudOverlay.cs
similarity index 74%
rename from osu.Game.Modes.Osu/UI/OsuScoreOverlay.cs
rename to osu.Game/Modes/UI/StandardHudOverlay.cs
index d91a751c26..f77191adf7 100644
--- a/osu.Game.Modes.Osu/UI/OsuScoreOverlay.cs
+++ b/osu.Game/Modes/UI/StandardHudOverlay.cs
@@ -1,27 +1,16 @@
 // Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using osu.Framework.Graphics;
-using osu.Game.Graphics.UserInterface;
-using osu.Game.Modes.UI;
 using OpenTK;
-using OpenTK.Input;
+using osu.Framework.Graphics;
 using osu.Framework.Graphics.Primitives;
+using osu.Game.Graphics.UserInterface;
 using osu.Game.Screens.Play;
 
-namespace osu.Game.Modes.Osu.UI
+namespace osu.Game.Modes.UI
 {
-    public class OsuScoreOverlay : ScoreOverlay
+    public class StandardHudOverlay : HudOverlay
     {
-        protected override ScoreCounter CreateScoreCounter() => new ScoreCounter(6)
-        {
-            Anchor = Anchor.TopCentre,
-            Origin = Anchor.TopCentre,
-            TextSize = 40,
-            Position = new Vector2(0, 30),
-            Margin = new MarginPadding { Right = 5 },
-        };
-
         protected override PercentageCounter CreateAccuracyCounter() => new PercentageCounter
         {
             Anchor = Anchor.TopCentre,
@@ -31,12 +20,19 @@ namespace osu.Game.Modes.Osu.UI
             Margin = new MarginPadding { Right = 5 },
         };
 
-        protected override ComboCounter CreateComboCounter() => new OsuComboCounter
+        protected override ComboCounter CreateComboCounter() => new StandardComboCounter
         {
             Anchor = Anchor.BottomLeft,
             Origin = Anchor.BottomLeft,
         };
 
+        protected override HealthDisplay CreateHealthDisplay() => new StandardHealthDisplay
+        {
+            Size = new Vector2(1, 5),
+            RelativeSizeAxes = Axes.X,
+            Margin = new MarginPadding { Top = 20 }
+        };
+
         protected override KeyCounterCollection CreateKeyCounter() => new KeyCounterCollection
         {
             IsCounting = true,
@@ -44,13 +40,15 @@ namespace osu.Game.Modes.Osu.UI
             Anchor = Anchor.BottomRight,
             Origin = Anchor.BottomRight,
             Margin = new MarginPadding(10),
-            Children = new KeyCounter[]
-            {
-                new KeyCounterKeyboard(Key.Z),
-                new KeyCounterKeyboard(Key.X),
-                new KeyCounterMouse(MouseButton.Left),
-                new KeyCounterMouse(MouseButton.Right),
-            }
+        };
+
+        protected override ScoreCounter CreateScoreCounter() => new ScoreCounter(6)
+        {
+            Anchor = Anchor.TopCentre,
+            Origin = Anchor.TopCentre,
+            TextSize = 40,
+            Position = new Vector2(0, 30),
+            Margin = new MarginPadding { Right = 5 },
         };
     }
 }
diff --git a/osu.Game/Screens/Play/Player.cs b/osu.Game/Screens/Play/Player.cs
index cb494ef79f..1a71543786 100644
--- a/osu.Game/Screens/Play/Player.cs
+++ b/osu.Game/Screens/Play/Player.cs
@@ -1,29 +1,29 @@
 // Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
+using OpenTK;
+using OpenTK.Graphics;
 using osu.Framework.Allocation;
 using osu.Framework.Audio;
 using osu.Framework.Audio.Track;
-using osu.Framework.Graphics;
-using osu.Framework.Timing;
-using osu.Game.Database;
-using osu.Game.Modes;
-using osu.Game.Screens.Backgrounds;
-using OpenTK;
-using osu.Framework.Screens;
-using osu.Game.Modes.UI;
-using osu.Game.Screens.Ranking;
-using osu.Game.Configuration;
 using osu.Framework.Configuration;
-using System;
-using System.Linq;
 using osu.Framework.Extensions.IEnumerableExtensions;
-using OpenTK.Graphics;
+using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Transforms;
 using osu.Framework.Input;
 using osu.Framework.Logging;
+using osu.Framework.Screens;
+using osu.Framework.Timing;
+using osu.Game.Configuration;
+using osu.Game.Database;
 using osu.Game.Input.Handlers;
+using osu.Game.Modes;
+using osu.Game.Modes.UI;
+using osu.Game.Screens.Backgrounds;
+using osu.Game.Screens.Ranking;
+using System;
+using System.Linq;
 
 namespace osu.Game.Screens.Play
 {
@@ -54,7 +54,7 @@ namespace osu.Game.Screens.Play
         private Bindable<int> dimLevel;
         private SkipButton skipButton;
 
-        private ScoreOverlay scoreOverlay;
+        private HudOverlay hudOverlay;
         private PauseOverlay pauseOverlay;
 
         [BackgroundDependencyLoader]
@@ -112,8 +112,9 @@ namespace osu.Game.Screens.Play
 
             ruleset = Ruleset.GetRuleset(Beatmap.PlayMode);
 
-            scoreOverlay = ruleset.CreateScoreOverlay();
-            scoreOverlay.BindProcessor(scoreProcessor = ruleset.CreateScoreProcessor(beatmap.HitObjects.Count));
+            hudOverlay = new StandardHudOverlay();
+            hudOverlay.KeyCounter.Add(ruleset.CreateGameplayKeys());
+            hudOverlay.BindProcessor(scoreProcessor = ruleset.CreateScoreProcessor(beatmap.HitObjects.Count));
 
             pauseOverlay = new PauseOverlay
             {
@@ -135,7 +136,7 @@ namespace osu.Game.Screens.Play
                 hitRenderer.InputManager.ReplayInputHandler = ReplayInputHandler;
             }
 
-            scoreOverlay.BindHitRenderer(hitRenderer);
+            hudOverlay.BindHitRenderer(hitRenderer);
 
             //bind HitRenderer to ScoreProcessor and ourselves (for a pass situation)
             hitRenderer.OnJudgement += scoreProcessor.AddJudgement;
@@ -159,7 +160,7 @@ namespace osu.Game.Screens.Play
                         },
                     }
                 },
-                scoreOverlay,
+                hudOverlay,
                 pauseOverlay
             };
         }
@@ -196,7 +197,7 @@ namespace osu.Game.Screens.Play
             if (canPause || force)
             {
                 lastPauseActionTime = Time.Current;
-                scoreOverlay.KeyCounter.IsCounting = false;
+                hudOverlay.KeyCounter.IsCounting = false;
                 pauseOverlay.Retries = RestartCount;
                 pauseOverlay.Show();
                 sourceClock.Stop();
@@ -211,7 +212,7 @@ namespace osu.Game.Screens.Play
         public void Resume()
         {
             lastPauseActionTime = Time.Current;
-            scoreOverlay.KeyCounter.IsCounting = true;
+            hudOverlay.KeyCounter.IsCounting = true;
             pauseOverlay.Hide();
             sourceClock.Start();
             IsPaused = false;
diff --git a/osu.Game/osu.Game.csproj b/osu.Game/osu.Game.csproj
index 61c31a6cee..81bc844872 100644
--- a/osu.Game/osu.Game.csproj
+++ b/osu.Game/osu.Game.csproj
@@ -97,6 +97,9 @@
     <Compile Include="Modes\Score.cs" />
     <Compile Include="Modes\ScoreProcesssor.cs" />
     <Compile Include="Modes\UI\HealthDisplay.cs" />
+    <Compile Include="Modes\UI\HudOverlay.cs" />
+    <Compile Include="Modes\UI\StandardHealthDisplay.cs" />
+    <Compile Include="Modes\UI\StandardHudOverlay.cs" />
     <Compile Include="Online\API\IOnlineComponent.cs" />
     <Compile Include="Online\API\Requests\GetUserRequest.cs" />
     <Compile Include="Overlays\DragBar.cs" />
@@ -167,6 +170,7 @@
     <Compile Include="Screens\Play\PlayerInputManager.cs" />
     <Compile Include="Screens\Play\PlayerLoader.cs" />
     <Compile Include="Screens\Play\SkipButton.cs" />
+    <Compile Include="Modes\UI\StandardComboCounter.cs" />
     <Compile Include="Screens\Select\CarouselContainer.cs" />
     <Compile Include="Screens\Select\MatchSongSelect.cs" />
     <Compile Include="Screens\OsuGameScreen.cs" />
@@ -181,7 +185,6 @@
     <Compile Include="Screens\Select\PlaySongSelect.cs" />
     <Compile Include="Modes\UI\HitRenderer.cs" />
     <Compile Include="Modes\UI\Playfield.cs" />
-    <Compile Include="Modes\UI\ScoreOverlay.cs" />
     <Compile Include="Screens\Select\EditSongSelect.cs" />
     <Compile Include="Modes\UI\ComboCounter.cs" />
     <Compile Include="Modes\UI\ComboResultCounter.cs" />