diff --git a/osu.Desktop/Updater/SimpleUpdateManager.cs b/osu.Desktop/Updater/SimpleUpdateManager.cs
index e404ccd2b3..6956eb30b0 100644
--- a/osu.Desktop/Updater/SimpleUpdateManager.cs
+++ b/osu.Desktop/Updater/SimpleUpdateManager.cs
@@ -2,7 +2,6 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System.Collections.Generic;
-using System.Linq;
 using System.Threading.Tasks;
 using Newtonsoft.Json;
 using osu.Framework;
@@ -77,10 +76,10 @@ namespace osu.Desktop.Updater
             switch (RuntimeInfo.OS)
             {
                 case RuntimeInfo.Platform.Windows:
-                    bestAsset = release.Assets?.FirstOrDefault(f => f.Name.EndsWith(".exe"));
+                    bestAsset = release.Assets?.Find(f => f.Name.EndsWith(".exe"));
                     break;
                 case RuntimeInfo.Platform.MacOsx:
-                    bestAsset = release.Assets?.FirstOrDefault(f => f.Name.EndsWith(".app.zip"));
+                    bestAsset = release.Assets?.Find(f => f.Name.EndsWith(".app.zip"));
                     break;
             }
 
diff --git a/osu.Game.Rulesets.Osu/Beatmaps/OsuBeatmapProcessor.cs b/osu.Game.Rulesets.Osu/Beatmaps/OsuBeatmapProcessor.cs
index db80948c94..483ff2d409 100644
--- a/osu.Game.Rulesets.Osu/Beatmaps/OsuBeatmapProcessor.cs
+++ b/osu.Game.Rulesets.Osu/Beatmaps/OsuBeatmapProcessor.cs
@@ -1,6 +1,7 @@
 // Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
+using System;
 using osu.Framework.Graphics;
 using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Objects.Types;
@@ -23,60 +24,70 @@ namespace osu.Game.Rulesets.Osu.Beatmaps
 
             var osuBeatmap = (Beatmap<OsuHitObject>)Beatmap;
 
-            // Reset stacking
-            foreach (var h in osuBeatmap.HitObjects)
-                h.StackHeight = 0;
+            if (osuBeatmap.HitObjects.Count > 0)
+            {
+                // Reset stacking
+                foreach (var h in osuBeatmap.HitObjects)
+                    h.StackHeight = 0;
 
-            if (Beatmap.BeatmapInfo.BeatmapVersion >= 6)
-                applyStacking(osuBeatmap);
-            else
-                applyStackingOld(osuBeatmap);
+                if (Beatmap.BeatmapInfo.BeatmapVersion >= 6)
+                    applyStacking(osuBeatmap, 0, osuBeatmap.HitObjects.Count - 1);
+                else
+                    applyStackingOld(osuBeatmap);
+            }
         }
 
-        private void applyStacking(Beatmap<OsuHitObject> beatmap)
+        private void applyStacking(Beatmap<OsuHitObject> beatmap, int startIndex, int endIndex)
         {
-            // Extend the end index to include objects they are stacked on
-            int extendedEndIndex = beatmap.HitObjects.Count - 1;
-            for (int i = beatmap.HitObjects.Count - 1; i >= 0; i--)
+            if (startIndex > endIndex) throw new ArgumentOutOfRangeException(nameof(startIndex), $"{nameof(startIndex)} cannot be greater than {nameof(endIndex)}.");
+            if (startIndex < 0) throw new ArgumentOutOfRangeException(nameof(startIndex), $"{nameof(startIndex)} cannot be less than 0.");
+            if (endIndex < 0) throw new ArgumentOutOfRangeException(nameof(endIndex), $"{nameof(endIndex)} cannot be less than 0.");
+
+            int extendedEndIndex = endIndex;
+            if (endIndex < beatmap.HitObjects.Count - 1)
             {
-                int stackBaseIndex = i;
-                for (int n = stackBaseIndex + 1; n < beatmap.HitObjects.Count; n++)
+                // Extend the end index to include objects they are stacked on
+                for (int i = endIndex; i >= startIndex; i--)
                 {
-                    OsuHitObject stackBaseObject = beatmap.HitObjects[stackBaseIndex];
-                    if (stackBaseObject is Spinner) break;
-
-                    OsuHitObject objectN = beatmap.HitObjects[n];
-                    if (objectN is Spinner)
-                        continue;
-
-                    double endTime = (stackBaseObject as IHasEndTime)?.EndTime ?? stackBaseObject.StartTime;
-                    double stackThreshold = objectN.TimePreempt * beatmap.BeatmapInfo.StackLeniency;
-
-                    if (objectN.StartTime - endTime > stackThreshold)
-                        //We are no longer within stacking range of the next object.
-                        break;
-
-                    if (Vector2Extensions.Distance(stackBaseObject.Position, objectN.Position) < stack_distance ||
-                        stackBaseObject is Slider && Vector2Extensions.Distance(stackBaseObject.EndPosition, objectN.Position) < stack_distance)
+                    int stackBaseIndex = i;
+                    for (int n = stackBaseIndex + 1; n < beatmap.HitObjects.Count; n++)
                     {
-                        stackBaseIndex = n;
+                        OsuHitObject stackBaseObject = beatmap.HitObjects[stackBaseIndex];
+                        if (stackBaseObject is Spinner) break;
 
-                        // HitObjects after the specified update range haven't been reset yet
-                        objectN.StackHeight = 0;
+                        OsuHitObject objectN = beatmap.HitObjects[n];
+                        if (objectN is Spinner)
+                            continue;
+
+                        double endTime = (stackBaseObject as IHasEndTime)?.EndTime ?? stackBaseObject.StartTime;
+                        double stackThreshold = objectN.TimePreempt * beatmap.BeatmapInfo.StackLeniency;
+
+                        if (objectN.StartTime - endTime > stackThreshold)
+                            //We are no longer within stacking range of the next object.
+                            break;
+
+                        if (Vector2Extensions.Distance(stackBaseObject.Position, objectN.Position) < stack_distance
+                            || stackBaseObject is Slider && Vector2Extensions.Distance(stackBaseObject.EndPosition, objectN.Position) < stack_distance)
+                        {
+                            stackBaseIndex = n;
+
+                            // HitObjects after the specified update range haven't been reset yet
+                            objectN.StackHeight = 0;
+                        }
                     }
-                }
 
-                if (stackBaseIndex > extendedEndIndex)
-                {
-                    extendedEndIndex = stackBaseIndex;
-                    if (extendedEndIndex == beatmap.HitObjects.Count - 1)
-                        break;
+                    if (stackBaseIndex > extendedEndIndex)
+                    {
+                        extendedEndIndex = stackBaseIndex;
+                        if (extendedEndIndex == beatmap.HitObjects.Count - 1)
+                            break;
+                    }
                 }
             }
 
             //Reverse pass for stack calculation.
-            int extendedStartIndex = 0;
-            for (int i = extendedEndIndex; i > 0; i--)
+            int extendedStartIndex = startIndex;
+            for (int i = extendedEndIndex; i > startIndex; i--)
             {
                 int n = i;
                 /* We should check every note which has not yet got a stack.
@@ -155,7 +166,7 @@ namespace osu.Game.Rulesets.Osu.Beatmaps
                     /* We have hit the first slider in a possible stack.
                         * From this point on, we ALWAYS stack positive regardless.
                         */
-                    while (--n >= 0)
+                    while (--n >= startIndex)
                     {
                         OsuHitObject objectN = beatmap.HitObjects[n];
                         if (objectN is Spinner) continue;
diff --git a/osu.Game.Rulesets.Osu/Objects/Slider.cs b/osu.Game.Rulesets.Osu/Objects/Slider.cs
index d508ec2636..44185fb83a 100644
--- a/osu.Game.Rulesets.Osu/Objects/Slider.cs
+++ b/osu.Game.Rulesets.Osu/Objects/Slider.cs
@@ -7,6 +7,7 @@ using osu.Game.Rulesets.Objects.Types;
 using System.Collections.Generic;
 using osu.Game.Rulesets.Objects;
 using System.Linq;
+using osu.Framework.Caching;
 using osu.Framework.Configuration;
 using osu.Game.Audio;
 using osu.Game.Beatmaps;
@@ -26,8 +27,11 @@ namespace osu.Game.Rulesets.Osu.Objects
         public double EndTime => StartTime + this.SpanCount() * Path.Distance / Velocity;
         public double Duration => EndTime - StartTime;
 
+        private Cached<Vector2> endPositionCache;
+
+        public override Vector2 EndPosition => endPositionCache.IsValid ? endPositionCache.Value : endPositionCache.Value = Position + this.CurvePositionAt(1);
+
         public Vector2 StackedPositionAt(double t) => StackedPosition + this.CurvePositionAt(t);
-        public override Vector2 EndPosition => Position + this.CurvePositionAt(1);
 
         public override int ComboIndex
         {
@@ -56,7 +60,11 @@ namespace osu.Game.Rulesets.Osu.Objects
         public SliderPath Path
         {
             get => PathBindable.Value;
-            set => PathBindable.Value = value;
+            set
+            {
+                PathBindable.Value = value;
+                endPositionCache.Invalidate();
+            }
         }
 
         public double Distance => Path.Distance;
@@ -73,6 +81,8 @@ namespace osu.Game.Rulesets.Osu.Objects
 
                 if (TailCircle != null)
                     TailCircle.Position = EndPosition;
+
+                endPositionCache.Invalidate();
             }
         }
 
@@ -92,7 +102,17 @@ namespace osu.Game.Rulesets.Osu.Objects
 
         public List<List<SampleInfo>> NodeSamples { get; set; } = new List<List<SampleInfo>>();
 
-        public int RepeatCount { get; set; }
+        private int repeatCount;
+
+        public int RepeatCount
+        {
+            get => repeatCount;
+            set
+            {
+                repeatCount = value;
+                endPositionCache.Invalidate();
+            }
+        }
 
         /// <summary>
         /// The length of one span of this <see cref="Slider"/>.
@@ -169,7 +189,11 @@ namespace osu.Game.Rulesets.Osu.Objects
 
         private void createTicks()
         {
-            var length = Path.Distance;
+            // A very lenient maximum length of a slider for ticks to be generated.
+            // This exists for edge cases such as /b/1573664 where the beatmap has been edited by the user, and should never be reached in normal usage.
+            const double max_length = 100000;
+
+            var length = Math.Min(max_length, Path.Distance);
             var tickDistance = MathHelper.Clamp(TickDistance, 0, length);
 
             if (tickDistance == 0) return;
@@ -191,7 +215,7 @@ namespace osu.Game.Rulesets.Osu.Objects
                     var distanceProgress = d / length;
                     var timeProgress = reversed ? 1 - distanceProgress : distanceProgress;
 
-                    var firstSample = Samples.FirstOrDefault(s => s.Name == SampleInfo.HIT_NORMAL)
+                    var firstSample = Samples.Find(s => s.Name == SampleInfo.HIT_NORMAL)
                                       ?? Samples.FirstOrDefault(); // TODO: remove this when guaranteed sort is present for samples (https://github.com/ppy/osu/issues/1933)
                     var sampleList = new List<SampleInfo>();
 
diff --git a/osu.Game.Rulesets.Taiko/Objects/Drawables/DrawableSwell.cs b/osu.Game.Rulesets.Taiko/Objects/Drawables/DrawableSwell.cs
index 1412bd3cea..153e5733e5 100644
--- a/osu.Game.Rulesets.Taiko/Objects/Drawables/DrawableSwell.cs
+++ b/osu.Game.Rulesets.Taiko/Objects/Drawables/DrawableSwell.cs
@@ -135,7 +135,7 @@ namespace osu.Game.Rulesets.Taiko.Objects.Drawables
         {
             if (userTriggered)
             {
-                var nextTick = ticks.FirstOrDefault(j => !j.IsHit);
+                var nextTick = ticks.Find(j => !j.IsHit);
 
                 nextTick?.TriggerResult(HitResult.Great);
 
diff --git a/osu.Game.Tests/Visual/TestCaseBeatmapCarousel.cs b/osu.Game.Tests/Visual/TestCaseBeatmapCarousel.cs
index db66c01814..f156728981 100644
--- a/osu.Game.Tests/Visual/TestCaseBeatmapCarousel.cs
+++ b/osu.Game.Tests/Visual/TestCaseBeatmapCarousel.cs
@@ -148,7 +148,7 @@ namespace osu.Game.Tests.Visual
 
         private bool selectedBeatmapVisible()
         {
-            var currentlySelected = carousel.Items.FirstOrDefault(s => s.Item is CarouselBeatmap && s.Item.State == CarouselItemState.Selected);
+            var currentlySelected = carousel.Items.Find(s => s.Item is CarouselBeatmap && s.Item.State == CarouselItemState.Selected);
             if (currentlySelected == null)
                 return true;
             return currentlySelected.Item.Visible;
diff --git a/osu.Game.Tests/Visual/TestCaseChatLink.cs b/osu.Game.Tests/Visual/TestCaseChatLink.cs
index 61c2f47e7d..8aa3283af7 100644
--- a/osu.Game.Tests/Visual/TestCaseChatLink.cs
+++ b/osu.Game.Tests/Visual/TestCaseChatLink.cs
@@ -55,7 +55,7 @@ namespace osu.Game.Tests.Visual
             linkColour = colours.Blue;
 
             var chatManager = new ChannelManager();
-            BindableCollection<Channel> availableChannels = (BindableCollection<Channel>)chatManager.AvailableChannels;
+            BindableList<Channel> availableChannels = (BindableList<Channel>)chatManager.AvailableChannels;
             availableChannels.Add(new Channel { Name = "#english"});
             availableChannels.Add(new Channel { Name = "#japanese" });
             Dependencies.Cache(chatManager);
diff --git a/osu.Game.Tests/Visual/TestCaseLoungeRoomsContainer.cs b/osu.Game.Tests/Visual/TestCaseLoungeRoomsContainer.cs
index 3e9f2fb3a4..6b5bc875f1 100644
--- a/osu.Game.Tests/Visual/TestCaseLoungeRoomsContainer.cs
+++ b/osu.Game.Tests/Visual/TestCaseLoungeRoomsContainer.cs
@@ -73,8 +73,8 @@ namespace osu.Game.Tests.Visual
         {
             public event Action RoomsUpdated;
 
-            public readonly BindableCollection<Room> Rooms = new BindableCollection<Room>();
-            IBindableCollection<Room> IRoomManager.Rooms => Rooms;
+            public readonly BindableList<Room> Rooms = new BindableList<Room>();
+            IBindableList<Room> IRoomManager.Rooms => Rooms;
 
             public void CreateRoom(Room room, Action<Room> onSuccess = null, Action<string> onError = null) => Rooms.Add(room);
 
diff --git a/osu.Game.Tests/Visual/TestCaseMatchSettingsOverlay.cs b/osu.Game.Tests/Visual/TestCaseMatchSettingsOverlay.cs
index 7fb9d4dded..6f084def48 100644
--- a/osu.Game.Tests/Visual/TestCaseMatchSettingsOverlay.cs
+++ b/osu.Game.Tests/Visual/TestCaseMatchSettingsOverlay.cs
@@ -138,7 +138,7 @@ namespace osu.Game.Tests.Visual
 
             public event Action RoomsUpdated;
 
-            public IBindableCollection<Room> Rooms { get; } = null;
+            public IBindableList<Room> Rooms { get; } = null;
 
             public void CreateRoom(Room room, Action<Room> onSuccess = null, Action<string> onError = null)
             {
diff --git a/osu.Game.Tests/Visual/TestCaseNotificationOverlay.cs b/osu.Game.Tests/Visual/TestCaseNotificationOverlay.cs
index 2c56f08f42..66ae2d3012 100644
--- a/osu.Game.Tests/Visual/TestCaseNotificationOverlay.cs
+++ b/osu.Game.Tests/Visual/TestCaseNotificationOverlay.cs
@@ -49,7 +49,6 @@ namespace osu.Game.Tests.Visual
 
             manager.UnreadCount.ValueChanged += count => { displayedCount.Text = $"displayed count: {count}"; };
 
-
             setState(Visibility.Visible);
             AddStep(@"simple #1", sendHelloNotification);
             AddStep(@"simple #2", sendAmazingNotification);
@@ -75,7 +74,6 @@ namespace osu.Game.Tests.Visual
 
             checkProgressingCount(0);
 
-
             setState(Visibility.Visible);
 
             //AddStep(@"barrage", () => sendBarrage());
@@ -111,7 +109,7 @@ namespace osu.Game.Tests.Visual
 
             if (progressingNotifications.Count(n => n.State == ProgressNotificationState.Active) < 3)
             {
-                var p = progressingNotifications.FirstOrDefault(n => n.State == ProgressNotificationState.Queued);
+                var p = progressingNotifications.Find(n => n.State == ProgressNotificationState.Queued);
                 if (p != null)
                     p.State = ProgressNotificationState.Active;
             }
diff --git a/osu.Game.Tests/Visual/TestCaseReplay.cs b/osu.Game.Tests/Visual/TestCaseReplay.cs
index e0ea613534..0fc4616f56 100644
--- a/osu.Game.Tests/Visual/TestCaseReplay.cs
+++ b/osu.Game.Tests/Visual/TestCaseReplay.cs
@@ -5,7 +5,6 @@ using System.ComponentModel;
 using System.Linq;
 using osu.Game.Rulesets;
 using osu.Game.Rulesets.Mods;
-using osu.Game.Scoring;
 using osu.Game.Screens.Play;
 
 namespace osu.Game.Tests.Visual
@@ -23,7 +22,7 @@ namespace osu.Game.Tests.Visual
             // Reset the mods
             Beatmap.Value.Mods.Value = Beatmap.Value.Mods.Value.Where(m => !(m is ModAutoplay));
 
-            return new ReplayPlayer(new Score { Replay = dummyRulesetContainer.Replay });
+            return new ReplayPlayer(dummyRulesetContainer.ReplayScore);
         }
     }
 }
diff --git a/osu.Game/Beatmaps/BeatmapSetInfo.cs b/osu.Game/Beatmaps/BeatmapSetInfo.cs
index 8c541e9344..a5399ce8c7 100644
--- a/osu.Game/Beatmaps/BeatmapSetInfo.cs
+++ b/osu.Game/Beatmaps/BeatmapSetInfo.cs
@@ -36,7 +36,7 @@ namespace osu.Game.Beatmaps
 
         public string Hash { get; set; }
 
-        public string StoryboardFile => Files?.FirstOrDefault(f => f.Filename.EndsWith(".osb"))?.Filename;
+        public string StoryboardFile => Files?.Find(f => f.Filename.EndsWith(".osb"))?.Filename;
 
         public List<BeatmapSetFileInfo> Files { get; set; }
 
diff --git a/osu.Game/Beatmaps/WorkingBeatmap.cs b/osu.Game/Beatmaps/WorkingBeatmap.cs
index 5b76122616..e65409a1d1 100644
--- a/osu.Game/Beatmaps/WorkingBeatmap.cs
+++ b/osu.Game/Beatmaps/WorkingBeatmap.cs
@@ -151,7 +151,7 @@ namespace osu.Game.Beatmaps
 
         public bool WaveformLoaded => waveform.IsResultAvailable;
         public Waveform Waveform => waveform.Value;
-        protected virtual Waveform GetWaveform() => new Waveform();
+        protected virtual Waveform GetWaveform() => new Waveform(null);
         private readonly RecyclableLazy<Waveform> waveform;
 
         public bool StoryboardLoaded => storyboard.IsResultAvailable;
diff --git a/osu.Game/Configuration/DatabasedConfigManager.cs b/osu.Game/Configuration/DatabasedConfigManager.cs
index 0ede6de0f2..334fed2b5a 100644
--- a/osu.Game/Configuration/DatabasedConfigManager.cs
+++ b/osu.Game/Configuration/DatabasedConfigManager.cs
@@ -2,7 +2,6 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System.Collections.Generic;
-using System.Linq;
 using osu.Framework.Configuration;
 using osu.Game.Rulesets;
 
@@ -43,7 +42,7 @@ namespace osu.Game.Configuration
         {
             base.AddBindable(lookup, bindable);
 
-            var setting = databasedSettings.FirstOrDefault(s => (int)s.Key == (int)(object)lookup);
+            var setting = databasedSettings.Find(s => (int)s.Key == (int)(object)lookup);
             if (setting != null)
             {
                 bindable.Parse(setting.Value);
diff --git a/osu.Game/Configuration/OsuConfigManager.cs b/osu.Game/Configuration/OsuConfigManager.cs
index 8975ab8a0e..8df286ffb2 100644
--- a/osu.Game/Configuration/OsuConfigManager.cs
+++ b/osu.Game/Configuration/OsuConfigManager.cs
@@ -3,6 +3,7 @@
 
 using osu.Framework.Configuration;
 using osu.Framework.Configuration.Tracking;
+using osu.Framework.Extensions;
 using osu.Framework.Platform;
 using osu.Game.Overlays;
 using osu.Game.Rulesets.Scoring;
@@ -96,15 +97,25 @@ namespace osu.Game.Configuration
             Set(OsuSetting.ScreenshotCaptureMenuCursor, false);
 
             Set(OsuSetting.SongSelectRightMouseScroll, false);
+
+            Set(OsuSetting.Scaling, ScalingMode.Off);
+
+            Set(OsuSetting.ScalingSizeX, 0.8f, 0.2f, 1f);
+            Set(OsuSetting.ScalingSizeY, 0.8f, 0.2f, 1f);
+
+            Set(OsuSetting.ScalingPositionX, 0.5f, 0f, 1f);
+            Set(OsuSetting.ScalingPositionY, 0.5f, 0f, 1f);
         }
 
-        public OsuConfigManager(Storage storage) : base(storage)
+        public OsuConfigManager(Storage storage)
+            : base(storage)
         {
         }
 
         public override TrackedSettings CreateTrackedSettings() => new TrackedSettings
         {
-            new TrackedSetting<bool>(OsuSetting.MouseDisableButtons, v => new SettingDescription(!v, "gameplay mouse buttons", v ? "disabled" : "enabled"))
+            new TrackedSetting<bool>(OsuSetting.MouseDisableButtons, v => new SettingDescription(!v, "gameplay mouse buttons", v ? "disabled" : "enabled")),
+            new TrackedSetting<ScalingMode>(OsuSetting.Scaling, m => new SettingDescription(m, "scaling", m.GetDescription())),
         };
     }
 
@@ -151,6 +162,11 @@ namespace osu.Game.Configuration
         BeatmapHitsounds,
         IncreaseFirstObjectVisibility,
         ScoreDisplayMode,
-        ExternalLinkWarning
+        ExternalLinkWarning,
+        Scaling,
+        ScalingPositionX,
+        ScalingPositionY,
+        ScalingSizeX,
+        ScalingSizeY
     }
 }
diff --git a/osu.Game/Configuration/ScalingMode.cs b/osu.Game/Configuration/ScalingMode.cs
new file mode 100644
index 0000000000..b907d55d82
--- /dev/null
+++ b/osu.Game/Configuration/ScalingMode.cs
@@ -0,0 +1,16 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System.ComponentModel;
+
+namespace osu.Game.Configuration
+{
+    public enum ScalingMode
+    {
+        Off,
+        Everything,
+        [Description("Excluding overlays")]
+        ExcludeOverlays,
+        Gameplay,
+    }
+}
diff --git a/osu.Game/Graphics/Containers/ScalingContainer.cs b/osu.Game/Graphics/Containers/ScalingContainer.cs
new file mode 100644
index 0000000000..ff7a1cdacf
--- /dev/null
+++ b/osu.Game/Graphics/Containers/ScalingContainer.cs
@@ -0,0 +1,120 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+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.Backgrounds;
+using osuTK;
+
+namespace osu.Game.Graphics.Containers
+{
+    /// <summary>
+    /// Handles user-defined scaling, allowing application at multiple levels defined by <see cref="ScalingMode"/>.
+    /// </summary>
+    public class ScalingContainer : Container
+    {
+        private Bindable<float> sizeX;
+        private Bindable<float> sizeY;
+        private Bindable<float> posX;
+        private Bindable<float> posY;
+
+        private readonly ScalingMode? targetMode;
+
+        private Bindable<ScalingMode> scalingMode;
+
+        private readonly Container content;
+        protected override Container<Drawable> Content => content;
+
+        private readonly Container sizableContainer;
+
+        private Drawable backgroundLayer;
+
+        /// <summary>
+        /// Create a new instance.
+        /// </summary>
+        /// <param name="targetMode">The mode which this container should be handling. Handles all modes if null.</param>
+        public ScalingContainer(ScalingMode? targetMode = null)
+        {
+            this.targetMode = targetMode;
+            RelativeSizeAxes = Axes.Both;
+
+            InternalChild = sizableContainer = new Container
+            {
+                RelativeSizeAxes = Axes.Both,
+                RelativePositionAxes = Axes.Both,
+                CornerRadius = 10,
+                Child = content = new DrawSizePreservingFillContainer()
+            };
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(OsuConfigManager config)
+        {
+            scalingMode = config.GetBindable<ScalingMode>(OsuSetting.Scaling);
+            scalingMode.ValueChanged += _ => updateSize();
+
+            sizeX = config.GetBindable<float>(OsuSetting.ScalingSizeX);
+            sizeX.ValueChanged += _ => updateSize();
+
+            sizeY = config.GetBindable<float>(OsuSetting.ScalingSizeY);
+            sizeY.ValueChanged += _ => updateSize();
+
+            posX = config.GetBindable<float>(OsuSetting.ScalingPositionX);
+            posX.ValueChanged += _ => updateSize();
+
+            posY = config.GetBindable<float>(OsuSetting.ScalingPositionY);
+            posY.ValueChanged += _ => updateSize();
+        }
+
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+
+            updateSize();
+            sizableContainer.FinishTransforms();
+        }
+
+        private bool requiresBackgroundVisible => (scalingMode == ScalingMode.Everything || scalingMode == ScalingMode.ExcludeOverlays) && (sizeX.Value != 1 || sizeY.Value != 1);
+
+        private void updateSize()
+        {
+            if (targetMode == ScalingMode.Everything)
+            {
+                // the top level scaling container manages the background to be displayed while scaling.
+                if (requiresBackgroundVisible)
+                {
+                    if (backgroundLayer == null)
+                        LoadComponentAsync(backgroundLayer = new Background("Menu/menu-background-1")
+                        {
+                            Colour = OsuColour.Gray(0.1f),
+                            Alpha = 0,
+                            Depth = float.MaxValue
+                        }, d =>
+                        {
+                            AddInternal(d);
+                            d.FadeTo(requiresBackgroundVisible ? 1 : 0, 4000, Easing.OutQuint);
+                        });
+                    else
+                        backgroundLayer.FadeIn(500);
+                }
+                else
+                    backgroundLayer?.FadeOut(500);
+            }
+
+            bool scaling = targetMode == null || scalingMode.Value == targetMode;
+
+            var targetSize = scaling ? new Vector2(sizeX, sizeY) : Vector2.One;
+            var targetPosition = scaling ? new Vector2(posX, posY) * (Vector2.One - targetSize) : Vector2.Zero;
+            bool requiresMasking = scaling && targetSize != Vector2.One;
+
+            if (requiresMasking)
+                sizableContainer.Masking = true;
+
+            sizableContainer.MoveTo(targetPosition, 500, Easing.OutQuart);
+            sizableContainer.ResizeTo(targetSize, 500, Easing.OutQuart).OnComplete(_ => { sizableContainer.Masking = requiresMasking; });
+        }
+    }
+}
diff --git a/osu.Game/Graphics/UserInterface/OsuSliderBar.cs b/osu.Game/Graphics/UserInterface/OsuSliderBar.cs
index a59abcbcee..10b83c2610 100644
--- a/osu.Game/Graphics/UserInterface/OsuSliderBar.cs
+++ b/osu.Game/Graphics/UserInterface/OsuSliderBar.cs
@@ -47,7 +47,7 @@ namespace osu.Game.Graphics.UserInterface
                     var floatMinValue = bindableDouble?.MinValue ?? bindableFloat.MinValue;
                     var floatMaxValue = bindableDouble?.MaxValue ?? bindableFloat.MaxValue;
 
-                    if (floatMaxValue == 1 && (floatMinValue == 0 || floatMinValue == -1))
+                    if (floatMaxValue == 1 && floatMinValue >= -1)
                         return floatValue.Value.ToString("P0");
 
                     var decimalPrecision = normalise((decimal)floatPrecision, max_decimal_digits);
diff --git a/osu.Game/Online/Chat/ChannelManager.cs b/osu.Game/Online/Chat/ChannelManager.cs
index 4241b47cd3..d5deda960c 100644
--- a/osu.Game/Online/Chat/ChannelManager.cs
+++ b/osu.Game/Online/Chat/ChannelManager.cs
@@ -29,8 +29,8 @@ namespace osu.Game.Online.Chat
             @"#lobby"
         };
 
-        private readonly BindableCollection<Channel> availableChannels = new BindableCollection<Channel>();
-        private readonly BindableCollection<Channel> joinedChannels = new BindableCollection<Channel>();
+        private readonly BindableList<Channel> availableChannels = new BindableList<Channel>();
+        private readonly BindableList<Channel> joinedChannels = new BindableList<Channel>();
 
         /// <summary>
         /// The currently opened channel
@@ -40,12 +40,12 @@ namespace osu.Game.Online.Chat
         /// <summary>
         /// The Channels the player has joined
         /// </summary>
-        public IBindableCollection<Channel> JoinedChannels => joinedChannels;
+        public IBindableList<Channel> JoinedChannels => joinedChannels;
 
         /// <summary>
         /// The channels available for the player to join
         /// </summary>
-        public IBindableCollection<Channel> AvailableChannels => availableChannels;
+        public IBindableList<Channel> AvailableChannels => availableChannels;
 
         private IAPIProvider api;
 
diff --git a/osu.Game/Online/Leaderboards/Leaderboard.cs b/osu.Game/Online/Leaderboards/Leaderboard.cs
index f3bf16a05f..a6748fa983 100644
--- a/osu.Game/Online/Leaderboards/Leaderboard.cs
+++ b/osu.Game/Online/Leaderboards/Leaderboard.cs
@@ -4,6 +4,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Threading;
 using osu.Framework.Allocation;
 using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
@@ -30,6 +31,7 @@ namespace osu.Game.Online.Leaderboards
         private readonly LoadingAnimation loading;
 
         private ScheduledDelegate showScoresDelegate;
+        private CancellationTokenSource showScoresCancellationSource;
 
         private bool scoresLoadedOnce;
 
@@ -49,6 +51,10 @@ namespace osu.Game.Online.Leaderboards
 
                 loading.Hide();
 
+                // schedule because we may not be loaded yet (LoadComponentAsync complains).
+                showScoresDelegate?.Cancel();
+                showScoresCancellationSource?.Cancel();
+
                 if (scores == null || !scores.Any())
                     return;
 
@@ -58,8 +64,6 @@ namespace osu.Game.Online.Leaderboards
                 scrollFlow = CreateScoreFlow();
                 scrollFlow.ChildrenEnumerable = scores.Select((s, index) => CreateDrawableScore(s, index + 1));
 
-                // schedule because we may not be loaded yet (LoadComponentAsync complains).
-                showScoresDelegate?.Cancel();
                 if (!IsLoaded)
                     showScoresDelegate = Schedule(showScores);
                 else
@@ -77,7 +81,7 @@ namespace osu.Game.Online.Leaderboards
                     }
 
                     scrollContainer.ScrollTo(0f, false);
-                });
+                }, (showScoresCancellationSource = new CancellationTokenSource()).Token);
             }
         }
 
diff --git a/osu.Game/Online/Multiplayer/PlaylistItem.cs b/osu.Game/Online/Multiplayer/PlaylistItem.cs
index 4155121bdf..63b5b95b9c 100644
--- a/osu.Game/Online/Multiplayer/PlaylistItem.cs
+++ b/osu.Game/Online/Multiplayer/PlaylistItem.cs
@@ -37,10 +37,10 @@ namespace osu.Game.Online.Multiplayer
         public RulesetInfo Ruleset { get; set; }
 
         [JsonIgnore]
-        public readonly BindableCollection<Mod> AllowedMods = new BindableCollection<Mod>();
+        public readonly BindableList<Mod> AllowedMods = new BindableList<Mod>();
 
         [JsonIgnore]
-        public readonly BindableCollection<Mod> RequiredMods = new BindableCollection<Mod>();
+        public readonly BindableList<Mod> RequiredMods = new BindableList<Mod>();
 
         [JsonProperty("beatmap")]
         private APIBeatmap apiBeatmap { get; set; }
diff --git a/osu.Game/Online/Multiplayer/Room.cs b/osu.Game/Online/Multiplayer/Room.cs
index 448f5ced91..5273c7acfb 100644
--- a/osu.Game/Online/Multiplayer/Room.cs
+++ b/osu.Game/Online/Multiplayer/Room.cs
@@ -24,7 +24,7 @@ namespace osu.Game.Online.Multiplayer
         public Bindable<User> Host { get; private set; } = new Bindable<User>();
 
         [JsonProperty("playlist")]
-        public BindableCollection<PlaylistItem> Playlist { get; set; } = new BindableCollection<PlaylistItem>();
+        public BindableList<PlaylistItem> Playlist { get; set; } = new BindableList<PlaylistItem>();
 
         [JsonProperty("channel_id")]
         public Bindable<int> ChannelId { get; private set; } = new Bindable<int>();
diff --git a/osu.Game/OsuGame.cs b/osu.Game/OsuGame.cs
index 2a4c812401..bb356ce7f0 100644
--- a/osu.Game/OsuGame.cs
+++ b/osu.Game/OsuGame.cs
@@ -26,6 +26,7 @@ using osu.Framework.Platform;
 using osu.Framework.Threading;
 using osu.Game.Beatmaps;
 using osu.Game.Graphics;
+using osu.Game.Graphics.Containers;
 using osu.Game.Input;
 using osu.Game.Overlays.Notifications;
 using osu.Game.Rulesets;
@@ -187,6 +188,7 @@ namespace osu.Game
         }
 
         private ExternalLinkOpener externalLinkOpener;
+
         public void OpenUrlExternally(string url)
         {
             if (url.StartsWith("/"))
@@ -222,7 +224,7 @@ namespace osu.Game
                 var databasedSet = BeatmapManager.QueryBeatmapSet(s => s.OnlineBeatmapSetID == beatmap.OnlineBeatmapSetID);
 
                 // Use first beatmap available for current ruleset, else switch ruleset.
-                var first = databasedSet.Beatmaps.FirstOrDefault(b => b.Ruleset == ruleset.Value) ?? databasedSet.Beatmaps.First();
+                var first = databasedSet.Beatmaps.Find(b => b.Ruleset == ruleset.Value) ?? databasedSet.Beatmaps.First();
 
                 ruleset.Value = first.Ruleset;
                 Beatmap.Value = BeatmapManager.GetWorkingBeatmap(first);
@@ -353,7 +355,11 @@ namespace osu.Game
                     ActionRequested = action => volume.Adjust(action),
                     ScrollActionRequested = (action, amount, isPrecise) => volume.Adjust(action, amount, isPrecise),
                 },
-                mainContent = new Container { RelativeSizeAxes = Axes.Both },
+                screenContainer = new ScalingContainer(ScalingMode.ExcludeOverlays)
+                {
+                    RelativeSizeAxes = Axes.Both,
+                },
+                mainContent = new DrawSizePreservingFillContainer(),
                 overlayContent = new Container { RelativeSizeAxes = Axes.Both, Depth = float.MinValue },
                 idleTracker = new IdleTracker(6000)
             });
@@ -362,7 +368,7 @@ namespace osu.Game
             {
                 screenStack.ModePushed += screenAdded;
                 screenStack.Exited += screenRemoved;
-                mainContent.Add(screenStack);
+                screenContainer.Add(screenStack);
             });
 
             loadComponentSingleFile(Toolbar = new Toolbar
@@ -497,7 +503,7 @@ namespace osu.Game
                 if (notifications.State == Visibility.Visible)
                     offset -= ToolbarButton.WIDTH / 2;
 
-                screenStack.MoveToX(offset, SettingsOverlay.TRANSITION_LENGTH, Easing.OutQuint);
+                screenContainer.MoveToX(offset, SettingsOverlay.TRANSITION_LENGTH, Easing.OutQuint);
             }
 
             settings.StateChanged += _ => updateScreenOffset();
@@ -555,7 +561,7 @@ namespace osu.Game
                 focused.StateChanged += s =>
                 {
                     visibleOverlayCount += s == Visibility.Visible ? 1 : -1;
-                    screenStack.FadeColour(visibleOverlayCount > 0 ? OsuColour.Gray(0.5f) : Color4.White, 500, Easing.OutQuint);
+                    screenContainer.FadeColour(visibleOverlayCount > 0 ? OsuColour.Gray(0.5f) : Color4.White, 500, Easing.OutQuint);
                 };
             }
 
@@ -646,6 +652,7 @@ namespace osu.Game
 
         private OsuScreen currentScreen;
         private FrameworkConfigManager frameworkConfig;
+        private ScalingContainer screenContainer;
 
         protected override bool OnExiting()
         {
@@ -685,7 +692,7 @@ namespace osu.Game
             ruleset.Disabled = applyBeatmapRulesetRestrictions;
             Beatmap.Disabled = applyBeatmapRulesetRestrictions;
 
-            mainContent.Padding = new MarginPadding { Top = ToolbarOffset };
+            screenContainer.Padding = new MarginPadding { Top = ToolbarOffset };
 
             MenuCursorContainer.CanShowCursor = currentScreen?.CursorVisible ?? false;
         }
diff --git a/osu.Game/OsuGameBase.cs b/osu.Game/OsuGameBase.cs
index 683fa30818..b6c642c9dc 100644
--- a/osu.Game/OsuGameBase.cs
+++ b/osu.Game/OsuGameBase.cs
@@ -24,6 +24,7 @@ using osu.Framework.Input;
 using osu.Framework.Logging;
 using osu.Game.Audio;
 using osu.Game.Database;
+using osu.Game.Graphics.Containers;
 using osu.Game.Input;
 using osu.Game.Input.Bindings;
 using osu.Game.IO;
@@ -189,7 +190,7 @@ namespace osu.Game
                 Child = content = new OsuTooltipContainer(MenuCursorContainer.Cursor) { RelativeSizeAxes = Axes.Both }
             };
 
-            base.Content.Add(new DrawSizePreservingFillContainer { Child = MenuCursorContainer });
+            base.Content.Add(new ScalingContainer(ScalingMode.Everything) { Child = MenuCursorContainer });
 
             KeyBindingStore.Register(globalBinding);
             dependencies.Cache(globalBinding);
@@ -247,7 +248,8 @@ namespace osu.Game
             var extension = Path.GetExtension(paths.First())?.ToLowerInvariant();
 
             foreach (var importer in fileImporters)
-                if (importer.HandledExtensions.Contains(extension)) importer.Import(paths);
+                if (importer.HandledExtensions.Contains(extension))
+                    importer.Import(paths);
         }
 
         public string[] HandledExtensions => fileImporters.SelectMany(i => i.HandledExtensions).ToArray();
diff --git a/osu.Game/Overlays/Settings/Sections/Graphics/LayoutSettings.cs b/osu.Game/Overlays/Settings/Sections/Graphics/LayoutSettings.cs
index 685244e06b..3fa4276616 100644
--- a/osu.Game/Overlays/Settings/Sections/Graphics/LayoutSettings.cs
+++ b/osu.Game/Overlays/Settings/Sections/Graphics/LayoutSettings.cs
@@ -6,9 +6,14 @@ using System.Drawing;
 using System.Linq;
 using osu.Framework.Allocation;
 using osu.Framework.Configuration;
+using osu.Framework.Extensions.IEnumerableExtensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
+using osu.Game.Configuration;
+using osu.Game.Graphics.Containers;
 using osu.Game.Graphics.UserInterface;
+using osuTK.Graphics;
 
 namespace osu.Game.Overlays.Settings.Sections.Graphics
 {
@@ -16,24 +21,33 @@ namespace osu.Game.Overlays.Settings.Sections.Graphics
     {
         protected override string Header => "Layout";
 
-        private FillFlowContainer letterboxSettings;
+        private FillFlowContainer<SettingsSlider<float>> scalingSettings;
 
-        private Bindable<bool> letterboxing;
+        private Bindable<ScalingMode> scalingMode;
         private Bindable<Size> sizeFullscreen;
 
         private OsuGameBase game;
         private SettingsDropdown<Size> resolutionDropdown;
         private SettingsEnumDropdown<WindowMode> windowModeDropdown;
 
+        private Bindable<float> scalingPositionX;
+        private Bindable<float> scalingPositionY;
+        private Bindable<float> scalingSizeX;
+        private Bindable<float> scalingSizeY;
+
         private const int transition_duration = 400;
 
         [BackgroundDependencyLoader]
-        private void load(FrameworkConfigManager config, OsuGameBase game)
+        private void load(FrameworkConfigManager config, OsuConfigManager osuConfig, OsuGameBase game)
         {
             this.game = game;
 
-            letterboxing = config.GetBindable<bool>(FrameworkSetting.Letterboxing);
+            scalingMode = osuConfig.GetBindable<ScalingMode>(OsuSetting.Scaling);
             sizeFullscreen = config.GetBindable<Size>(FrameworkSetting.SizeFullscreen);
+            scalingSizeX = osuConfig.GetBindable<float>(OsuSetting.ScalingSizeX);
+            scalingSizeY = osuConfig.GetBindable<float>(OsuSetting.ScalingSizeY);
+            scalingPositionX = osuConfig.GetBindable<float>(OsuSetting.ScalingPositionX);
+            scalingPositionY = osuConfig.GetBindable<float>(OsuSetting.ScalingPositionY);
 
             Container resolutionSettingsContainer;
 
@@ -49,12 +63,12 @@ namespace osu.Game.Overlays.Settings.Sections.Graphics
                     RelativeSizeAxes = Axes.X,
                     AutoSizeAxes = Axes.Y
                 },
-                new SettingsCheckbox
+                new SettingsEnumDropdown<ScalingMode>
                 {
-                    LabelText = "Letterboxing",
-                    Bindable = letterboxing,
+                    LabelText = "Scaling",
+                    Bindable = osuConfig.GetBindable<ScalingMode>(OsuSetting.Scaling),
                 },
-                letterboxSettings = new FillFlowContainer
+                scalingSettings = new FillFlowContainer<SettingsSlider<float>>
                 {
                     Direction = FillDirection.Vertical,
                     RelativeSizeAxes = Axes.X,
@@ -62,25 +76,38 @@ namespace osu.Game.Overlays.Settings.Sections.Graphics
                     AutoSizeDuration = transition_duration,
                     AutoSizeEasing = Easing.OutQuint,
                     Masking = true,
-
-                    Children = new Drawable[]
+                    Children = new []
                     {
-                        new SettingsSlider<double>
+                        new SettingsSlider<float>
                         {
                             LabelText = "Horizontal position",
-                            Bindable = config.GetBindable<double>(FrameworkSetting.LetterboxPositionX),
+                            Bindable = scalingPositionX,
                             KeyboardStep = 0.01f
                         },
-                        new SettingsSlider<double>
+                        new SettingsSlider<float>
                         {
                             LabelText = "Vertical position",
-                            Bindable = config.GetBindable<double>(FrameworkSetting.LetterboxPositionY),
+                            Bindable = scalingPositionY,
+                            KeyboardStep = 0.01f
+                        },
+                        new SettingsSlider<float>
+                        {
+                            LabelText = "Horizontal scale",
+                            Bindable = scalingSizeX,
+                            KeyboardStep = 0.01f
+                        },
+                        new SettingsSlider<float>
+                        {
+                            LabelText = "Vertical scale",
+                            Bindable = scalingSizeY,
                             KeyboardStep = 0.01f
                         },
                     }
                 },
             };
 
+            scalingSettings.ForEach(s => bindPreviewEvent(s.Bindable));
+
             var resolutions = getResolutions();
 
             if (resolutions.Count > 1)
@@ -105,16 +132,46 @@ namespace osu.Game.Overlays.Settings.Sections.Graphics
                 }, true);
             }
 
-            letterboxing.BindValueChanged(isVisible =>
+            scalingMode.BindValueChanged(mode =>
             {
-                letterboxSettings.ClearTransforms();
-                letterboxSettings.AutoSizeAxes = isVisible ? Axes.Y : Axes.None;
+                scalingSettings.ClearTransforms();
+                scalingSettings.AutoSizeAxes = mode != ScalingMode.Off ? Axes.Y : Axes.None;
 
-                if (!isVisible)
-                    letterboxSettings.ResizeHeightTo(0, transition_duration, Easing.OutQuint);
+                if (mode == ScalingMode.Off)
+                    scalingSettings.ResizeHeightTo(0, transition_duration, Easing.OutQuint);
+
+                scalingSettings.ForEach(s => s.TransferValueOnCommit = mode == ScalingMode.Everything);
             }, true);
         }
 
+        /// <summary>
+        /// Create a delayed bindable which only updates when a condition is met.
+        /// </summary>
+        /// <param name="bindable">The config bindable.</param>
+        /// <returns>A bindable which will propagate updates with a delay.</returns>
+        private void bindPreviewEvent(Bindable<float> bindable)
+        {
+            bindable.ValueChanged += v =>
+            {
+                switch (scalingMode.Value)
+                {
+                    case ScalingMode.Gameplay:
+                        showPreview();
+                        break;
+                }
+            };
+        }
+
+        private Drawable preview;
+        private void showPreview()
+        {
+            if (preview?.IsAlive != true)
+                game.Add(preview = new ScalingPreview());
+
+            preview.FadeOutFromOne(1500);
+            preview.Expire();
+        }
+
         private IReadOnlyList<Size> getResolutions()
         {
             var resolutions = new List<Size> { new Size(9999, 9999) };
@@ -132,6 +189,19 @@ namespace osu.Game.Overlays.Settings.Sections.Graphics
             return resolutions;
         }
 
+        private class ScalingPreview : ScalingContainer
+        {
+            public ScalingPreview()
+            {
+                Child = new Box
+                {
+                    Colour = Color4.White,
+                    RelativeSizeAxes = Axes.Both,
+                    Alpha = 0.5f,
+                };
+            }
+        }
+
         private class ResolutionSettingsDropdown : SettingsDropdown<Size>
         {
             protected override OsuDropdown<Size> CreateDropdown() => new ResolutionDropdownControl { Items = Items };
diff --git a/osu.Game/Overlays/Settings/SettingsLabel.cs b/osu.Game/Overlays/Settings/SettingsLabel.cs
deleted file mode 100644
index 2df4073191..0000000000
--- a/osu.Game/Overlays/Settings/SettingsLabel.cs
+++ /dev/null
@@ -1,20 +0,0 @@
-// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
-// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
-
-using osu.Framework.Allocation;
-using osu.Framework.Graphics;
-using osu.Game.Graphics;
-
-namespace osu.Game.Overlays.Settings
-{
-    public class SettingsLabel : SettingsItem<string>
-    {
-        protected override Drawable CreateControl() => null;
-
-        [BackgroundDependencyLoader]
-        private void load(OsuColour colour)
-        {
-            Colour = colour.Gray6;
-        }
-    }
-}
diff --git a/osu.Game/Overlays/Settings/SettingsSlider.cs b/osu.Game/Overlays/Settings/SettingsSlider.cs
index a3698c36e6..39a974dd2e 100644
--- a/osu.Game/Overlays/Settings/SettingsSlider.cs
+++ b/osu.Game/Overlays/Settings/SettingsSlider.cs
@@ -2,7 +2,6 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System;
-using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Game.Graphics.UserInterface;
 
@@ -23,14 +22,16 @@ namespace osu.Game.Overlays.Settings
             RelativeSizeAxes = Axes.X
         };
 
-        public float KeyboardStep;
-
-        [BackgroundDependencyLoader]
-        private void load()
+        public bool TransferValueOnCommit
         {
-            var slider = Control as U;
-            if (slider != null)
-                slider.KeyboardStep = KeyboardStep;
+            get => ((U)Control).TransferValueOnCommit;
+            set => ((U)Control).TransferValueOnCommit = value;
+        }
+
+        public float KeyboardStep
+        {
+            get => ((U)Control).KeyboardStep;
+            set => ((U)Control).KeyboardStep = value;
         }
     }
 }
diff --git a/osu.Game/Rulesets/Mods/ModAutoplay.cs b/osu.Game/Rulesets/Mods/ModAutoplay.cs
index 932439618d..72ae88d67a 100644
--- a/osu.Game/Rulesets/Mods/ModAutoplay.cs
+++ b/osu.Game/Rulesets/Mods/ModAutoplay.cs
@@ -18,7 +18,7 @@ namespace osu.Game.Rulesets.Mods
 
         public override bool HasImplementation => GetType().GenericTypeArguments.Length == 0;
 
-        public virtual void ApplyToRulesetContainer(RulesetContainer<T> rulesetContainer) => rulesetContainer.SetReplay(CreateReplayScore(rulesetContainer.Beatmap)?.Replay);
+        public virtual void ApplyToRulesetContainer(RulesetContainer<T> rulesetContainer) => rulesetContainer.SetReplayScore(CreateReplayScore(rulesetContainer.Beatmap));
     }
 
     public abstract class ModAutoplay : Mod, IApplicableFailOverride
diff --git a/osu.Game/Rulesets/UI/RulesetContainer.cs b/osu.Game/Rulesets/UI/RulesetContainer.cs
index 56222ff282..c8c7f3154b 100644
--- a/osu.Game/Rulesets/UI/RulesetContainer.cs
+++ b/osu.Game/Rulesets/UI/RulesetContainer.cs
@@ -22,6 +22,7 @@ using osu.Game.Overlays;
 using osu.Game.Replays;
 using osu.Game.Rulesets.Configuration;
 using osu.Game.Rulesets.Scoring;
+using osu.Game.Scoring;
 
 namespace osu.Game.Rulesets.UI
 {
@@ -130,7 +131,7 @@ namespace osu.Game.Rulesets.UI
 
         protected virtual ReplayInputHandler CreateReplayInputHandler(Replay replay) => null;
 
-        public Replay Replay { get; private set; }
+        public Score ReplayScore { get; private set; }
 
         /// <summary>
         /// Whether the game is paused. Used to block user input.
@@ -140,14 +141,14 @@ namespace osu.Game.Rulesets.UI
         /// <summary>
         /// Sets a replay to be used, overriding local input.
         /// </summary>
-        /// <param name="replay">The replay, null for local input.</param>
-        public virtual void SetReplay(Replay replay)
+        /// <param name="replayScore">The replay, null for local input.</param>
+        public virtual void SetReplayScore(Score replayScore)
         {
             if (ReplayInputManager == null)
                 throw new InvalidOperationException($"A {nameof(KeyBindingInputManager)} which supports replay loading is not available");
 
-            Replay = replay;
-            ReplayInputManager.ReplayInputHandler = replay != null ? CreateReplayInputHandler(replay) : null;
+            ReplayScore = replayScore;
+            ReplayInputManager.ReplayInputHandler = replayScore != null ? CreateReplayInputHandler(replayScore.Replay) : null;
 
             HasReplayLoaded.Value = ReplayInputManager.ReplayInputHandler != null;
         }
@@ -302,9 +303,9 @@ namespace osu.Game.Rulesets.UI
                 mod.ReadFromConfig(config);
         }
 
-        public override void SetReplay(Replay replay)
+        public override void SetReplayScore(Score replayScore)
         {
-            base.SetReplay(replay);
+            base.SetReplayScore(replayScore);
 
             if (ReplayInputManager?.ReplayInputHandler != null)
                 ReplayInputManager.ReplayInputHandler.GamefieldToScreenSpace = Playfield.GamefieldToScreenSpace;
diff --git a/osu.Game/Scoring/ScoreInfo.cs b/osu.Game/Scoring/ScoreInfo.cs
index b863566967..78cc3592c7 100644
--- a/osu.Game/Scoring/ScoreInfo.cs
+++ b/osu.Game/Scoring/ScoreInfo.cs
@@ -31,7 +31,7 @@ namespace osu.Game.Scoring
         [Column(TypeName="DECIMAL(1,4)")]
         public double Accuracy { get; set; }
 
-        [JsonIgnore]
+        [JsonProperty(@"pp")]
         public double? PP { get; set; }
 
         [JsonProperty("max_combo")]
diff --git a/osu.Game/Screens/Backgrounds/BackgroundScreenBlack.cs b/osu.Game/Screens/Backgrounds/BackgroundScreenBlack.cs
new file mode 100644
index 0000000000..c097d25178
--- /dev/null
+++ b/osu.Game/Screens/Backgrounds/BackgroundScreenBlack.cs
@@ -0,0 +1,27 @@
+// Copyright (c) 2007-2018 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.Framework.Graphics.Shapes;
+using osu.Framework.Screens;
+using osuTK.Graphics;
+
+namespace osu.Game.Screens.Backgrounds
+{
+    public class BackgroundScreenBlack : BackgroundScreen
+    {
+        public BackgroundScreenBlack()
+        {
+            Child = new Box
+            {
+                Colour = Color4.Black,
+                RelativeSizeAxes = Axes.Both,
+            };
+        }
+
+        protected override void OnEntering(Screen last)
+        {
+            Show();
+        }
+    }
+}
diff --git a/osu.Game/Screens/Backgrounds/BackgroundScreenEmpty.cs b/osu.Game/Screens/Backgrounds/BackgroundScreenEmpty.cs
deleted file mode 100644
index 5e08db8907..0000000000
--- a/osu.Game/Screens/Backgrounds/BackgroundScreenEmpty.cs
+++ /dev/null
@@ -1,9 +0,0 @@
-// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
-// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
-
-namespace osu.Game.Screens.Backgrounds
-{
-    public class BackgroundScreenEmpty : BackgroundScreen
-    {
-    }
-}
diff --git a/osu.Game/Screens/Edit/EditorClock.cs b/osu.Game/Screens/Edit/EditorClock.cs
index aa30b1a9f5..05ba1ab732 100644
--- a/osu.Game/Screens/Edit/EditorClock.cs
+++ b/osu.Game/Screens/Edit/EditorClock.cs
@@ -57,7 +57,7 @@ namespace osu.Game.Screens.Edit
 
             // Depending on beatSnapLength, we may snap to a beat that is beyond timingPoint's end time, but we want to instead snap to
             // the next timing point's start time
-            var nextTimingPoint = ControlPointInfo.TimingPoints.FirstOrDefault(t => t.Time > timingPoint.Time);
+            var nextTimingPoint = ControlPointInfo.TimingPoints.Find(t => t.Time > timingPoint.Time);
             if (position > nextTimingPoint?.Time)
                 position = nextTimingPoint.Time;
 
@@ -123,7 +123,7 @@ namespace osu.Game.Screens.Edit
             if (seekTime < timingPoint.Time && timingPoint != ControlPointInfo.TimingPoints.First())
                 seekTime = timingPoint.Time;
 
-            var nextTimingPoint = ControlPointInfo.TimingPoints.FirstOrDefault(t => t.Time > timingPoint.Time);
+            var nextTimingPoint = ControlPointInfo.TimingPoints.Find(t => t.Time > timingPoint.Time);
             if (seekTime > nextTimingPoint?.Time)
                 seekTime = nextTimingPoint.Time;
 
diff --git a/osu.Game/Screens/Menu/Intro.cs b/osu.Game/Screens/Menu/Intro.cs
index fa01411a0f..8d9cd8dbe9 100644
--- a/osu.Game/Screens/Menu/Intro.cs
+++ b/osu.Game/Screens/Menu/Intro.cs
@@ -39,7 +39,7 @@ namespace osu.Game.Screens.Menu
 
         public override bool CursorVisible => false;
 
-        protected override BackgroundScreen CreateBackground() => new BackgroundScreenEmpty();
+        protected override BackgroundScreen CreateBackground() => new BackgroundScreenBlack();
 
         private Bindable<bool> menuVoice;
         private Bindable<bool> menuMusic;
diff --git a/osu.Game/Screens/Menu/MenuSideFlashes.cs b/osu.Game/Screens/Menu/MenuSideFlashes.cs
index ec5528b13f..188e95ced5 100644
--- a/osu.Game/Screens/Menu/MenuSideFlashes.cs
+++ b/osu.Game/Screens/Menu/MenuSideFlashes.cs
@@ -58,6 +58,7 @@ namespace osu.Game.Screens.Menu
                     Origin = Anchor.CentreLeft,
                     RelativeSizeAxes = Axes.Y,
                     Width = box_width * 2,
+                    Height = 1.5f,
                     // align off-screen to make sure our edges don't become visible during parallax.
                     X = -box_width,
                     Alpha = 0,
@@ -70,6 +71,7 @@ namespace osu.Game.Screens.Menu
                     Origin = Anchor.CentreRight,
                     RelativeSizeAxes = Axes.Y,
                     Width = box_width * 2,
+                    Height = 1.5f,
                     X = box_width,
                     Alpha = 0,
                     Blending = BlendingMode.Additive,
diff --git a/osu.Game/Screens/Multi/IRoomManager.cs b/osu.Game/Screens/Multi/IRoomManager.cs
index f0dbcb0e71..6af8a35208 100644
--- a/osu.Game/Screens/Multi/IRoomManager.cs
+++ b/osu.Game/Screens/Multi/IRoomManager.cs
@@ -18,7 +18,7 @@ namespace osu.Game.Screens.Multi
         /// <summary>
         /// All the active <see cref="Room"/>s.
         /// </summary>
-        IBindableCollection<Room> Rooms { get; }
+        IBindableList<Room> Rooms { get; }
 
         /// <summary>
         /// Creates a new <see cref="Room"/>.
diff --git a/osu.Game/Screens/Multi/Lounge/Components/RoomsContainer.cs b/osu.Game/Screens/Multi/Lounge/Components/RoomsContainer.cs
index 5133e96a52..4ad8154090 100644
--- a/osu.Game/Screens/Multi/Lounge/Components/RoomsContainer.cs
+++ b/osu.Game/Screens/Multi/Lounge/Components/RoomsContainer.cs
@@ -22,7 +22,7 @@ namespace osu.Game.Screens.Multi.Lounge.Components
         private readonly Bindable<Room> selectedRoom = new Bindable<Room>();
         public IBindable<Room> SelectedRoom => selectedRoom;
 
-        private readonly IBindableCollection<Room> rooms = new BindableCollection<Room>();
+        private readonly IBindableList<Room> rooms = new BindableList<Room>();
 
         private readonly FillFlowContainer<DrawableRoom> roomFlow;
         public IReadOnlyList<DrawableRoom> Rooms => roomFlow;
diff --git a/osu.Game/Screens/Multi/RoomBindings.cs b/osu.Game/Screens/Multi/RoomBindings.cs
index dc2547268d..cdbb6dbea6 100644
--- a/osu.Game/Screens/Multi/RoomBindings.cs
+++ b/osu.Game/Screens/Multi/RoomBindings.cs
@@ -86,7 +86,7 @@ namespace osu.Game.Screens.Multi
         public readonly Bindable<User> Host = new Bindable<User>();
         public readonly Bindable<RoomStatus> Status = new Bindable<RoomStatus>();
         public readonly Bindable<GameType> Type = new Bindable<GameType>();
-        public readonly BindableCollection<PlaylistItem> Playlist = new BindableCollection<PlaylistItem>();
+        public readonly BindableList<PlaylistItem> Playlist = new BindableList<PlaylistItem>();
         public readonly Bindable<IEnumerable<User>> Participants = new Bindable<IEnumerable<User>>();
         public readonly Bindable<int> ParticipantCount = new Bindable<int>();
         public readonly Bindable<int?> MaxParticipants = new Bindable<int?>();
diff --git a/osu.Game/Screens/Multi/RoomManager.cs b/osu.Game/Screens/Multi/RoomManager.cs
index fab19c3fd7..1f95401905 100644
--- a/osu.Game/Screens/Multi/RoomManager.cs
+++ b/osu.Game/Screens/Multi/RoomManager.cs
@@ -21,8 +21,8 @@ namespace osu.Game.Screens.Multi
     {
         public event Action RoomsUpdated;
 
-        private readonly BindableCollection<Room> rooms = new BindableCollection<Room>();
-        public IBindableCollection<Room> Rooms => rooms;
+        private readonly BindableList<Room> rooms = new BindableList<Room>();
+        public IBindableList<Room> Rooms => rooms;
 
         private Room currentRoom;
 
diff --git a/osu.Game/Screens/Play/Player.cs b/osu.Game/Screens/Play/Player.cs
index c102fb0223..d5c99f5729 100644
--- a/osu.Game/Screens/Play/Player.cs
+++ b/osu.Game/Screens/Play/Player.cs
@@ -20,6 +20,7 @@ using osu.Framework.Timing;
 using osu.Game.Beatmaps;
 using osu.Game.Configuration;
 using osu.Game.Graphics;
+using osu.Game.Graphics.Containers;
 using osu.Game.Graphics.Cursor;
 using osu.Game.Online.API;
 using osu.Game.Overlays;
@@ -179,10 +180,13 @@ namespace osu.Game.Screens.Play
                             RelativeSizeAxes = Axes.Both,
                             Alpha = 0,
                         },
-                        new LocalSkinOverrideContainer(working.Skin)
+                        new ScalingContainer(ScalingMode.Gameplay)
                         {
-                            RelativeSizeAxes = Axes.Both,
-                            Child = RulesetContainer
+                            Child = new LocalSkinOverrideContainer(working.Skin)
+                            {
+                                RelativeSizeAxes = Axes.Both,
+                                Child = RulesetContainer
+                            }
                         },
                         new BreakOverlay(beatmap.BeatmapInfo.LetterboxInBreaks, ScoreProcessor)
                         {
@@ -191,7 +195,10 @@ namespace osu.Game.Screens.Play
                             ProcessCustomClock = false,
                             Breaks = beatmap.Breaks
                         },
-                        RulesetContainer.Cursor?.CreateProxy() ?? new Container(),
+                        new ScalingContainer(ScalingMode.Gameplay)
+                        {
+                            Child = RulesetContainer.Cursor?.CreateProxy() ?? new Container(),
+                        },
                         hudOverlay = new HUDOverlay(ScoreProcessor, RulesetContainer, working, offsetClock, adjustableClock)
                         {
                             Clock = Clock, // hud overlay doesn't want to use the audio clock directly
@@ -285,7 +292,7 @@ namespace osu.Game.Screens.Play
                     if (!IsCurrentScreen) return;
 
                     var score = CreateScore();
-                    if (RulesetContainer.Replay == null)
+                    if (RulesetContainer.ReplayScore == null)
                         scoreManager.Import(score, true);
 
                     Push(CreateResults(score));
@@ -297,7 +304,7 @@ namespace osu.Game.Screens.Play
 
         protected virtual ScoreInfo CreateScore()
         {
-            var score = new ScoreInfo
+            var score = RulesetContainer.ReplayScore?.ScoreInfo ?? new ScoreInfo
             {
                 Beatmap = Beatmap.Value.BeatmapInfo,
                 Ruleset = ruleset,
diff --git a/osu.Game/Screens/Play/ReplayPlayer.cs b/osu.Game/Screens/Play/ReplayPlayer.cs
index fe77fd57f2..04cf922d74 100644
--- a/osu.Game/Screens/Play/ReplayPlayer.cs
+++ b/osu.Game/Screens/Play/ReplayPlayer.cs
@@ -17,7 +17,7 @@ namespace osu.Game.Screens.Play
         protected override void LoadComplete()
         {
             base.LoadComplete();
-            RulesetContainer.SetReplay(score.Replay);
+            RulesetContainer.SetReplayScore(score);
         }
 
         protected override ScoreInfo CreateScore() => score.ScoreInfo;
diff --git a/osu.Game/Screens/Tournament/Drawings.cs b/osu.Game/Screens/Tournament/Drawings.cs
index 0a428ea289..754f34f00f 100644
--- a/osu.Game/Screens/Tournament/Drawings.cs
+++ b/osu.Game/Screens/Tournament/Drawings.cs
@@ -327,7 +327,7 @@ namespace osu.Game.Screens.Tournament
                                 continue;
 
                             // ReSharper disable once AccessToModifiedClosure
-                            DrawingsTeam teamToAdd = allTeams.FirstOrDefault(t => t.FullName == line);
+                            DrawingsTeam teamToAdd = allTeams.Find(t => t.FullName == line);
 
                             if (teamToAdd == null)
                                 continue;
diff --git a/osu.Game/Skinning/LegacySkin.cs b/osu.Game/Skinning/LegacySkin.cs
index 25a9813ad6..23367c58c9 100644
--- a/osu.Game/Skinning/LegacySkin.cs
+++ b/osu.Game/Skinning/LegacySkin.cs
@@ -102,7 +102,7 @@ namespace osu.Game.Skinning
 
                 string lastPiece = filename.Split('/').Last();
 
-                var file = source.Files.FirstOrDefault(f =>
+                var file = source.Files.Find(f =>
                     string.Equals(hasExtension ? f.Filename : Path.ChangeExtension(f.Filename, null), lastPiece, StringComparison.InvariantCultureIgnoreCase));
                 return file?.FileInfo.StoragePath;
             }
diff --git a/osu.Game/Storyboards/Drawables/DrawableStoryboardAnimation.cs b/osu.Game/Storyboards/Drawables/DrawableStoryboardAnimation.cs
index 8f860c5f53..2330c25443 100644
--- a/osu.Game/Storyboards/Drawables/DrawableStoryboardAnimation.cs
+++ b/osu.Game/Storyboards/Drawables/DrawableStoryboardAnimation.cs
@@ -6,7 +6,6 @@ using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Animations;
 using osu.Framework.Graphics.Textures;
-using System.Linq;
 using osu.Game.Beatmaps;
 
 namespace osu.Game.Storyboards.Drawables
@@ -71,7 +70,7 @@ namespace osu.Game.Storyboards.Drawables
             {
                 var framePath = basePath.Replace(".", frame + ".");
 
-                var path = beatmap.Value.BeatmapSetInfo.Files.FirstOrDefault(f => f.Filename.ToLowerInvariant() == framePath)?.FileInfo.StoragePath;
+                var path = beatmap.Value.BeatmapSetInfo.Files.Find(f => f.Filename.ToLowerInvariant() == framePath)?.FileInfo.StoragePath;
                 if (path == null)
                     continue;
 
diff --git a/osu.Game/Storyboards/Drawables/DrawableStoryboardSprite.cs b/osu.Game/Storyboards/Drawables/DrawableStoryboardSprite.cs
index 485f9bf61c..b03285b419 100644
--- a/osu.Game/Storyboards/Drawables/DrawableStoryboardSprite.cs
+++ b/osu.Game/Storyboards/Drawables/DrawableStoryboardSprite.cs
@@ -6,7 +6,6 @@ using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Graphics.Textures;
-using System.Linq;
 using osu.Game.Beatmaps;
 
 namespace osu.Game.Storyboards.Drawables
@@ -66,7 +65,7 @@ namespace osu.Game.Storyboards.Drawables
         private void load(IBindableBeatmap beatmap, TextureStore textureStore)
         {
             var spritePath = Sprite.Path.ToLowerInvariant();
-            var path = beatmap.Value.BeatmapSetInfo.Files.FirstOrDefault(f => f.Filename.ToLowerInvariant() == spritePath)?.FileInfo.StoragePath;
+            var path = beatmap.Value.BeatmapSetInfo.Files.Find(f => f.Filename.ToLowerInvariant() == spritePath)?.FileInfo.StoragePath;
             if (path == null)
                 return;
 
diff --git a/osu.Game/osu.Game.csproj b/osu.Game/osu.Game.csproj
index 103c7c20d6..d6dbb6f11c 100644
--- a/osu.Game/osu.Game.csproj
+++ b/osu.Game/osu.Game.csproj
@@ -18,7 +18,7 @@
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="2.1.4" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite.Core" Version="2.2.0" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.1" />
-    <PackageReference Include="ppy.osu.Framework" Version="2018.1226.0" />
+    <PackageReference Include="ppy.osu.Framework" Version="2019.107.0" />
     <PackageReference Include="SharpCompress" Version="0.22.0" />
     <PackageReference Include="NUnit" Version="3.11.0" />
     <PackageReference Include="SharpRaven" Version="2.4.0" />