diff --git a/osu.Game.Rulesets.Catch.Tests/TestSceneDrawableHitObjects.cs b/osu.Game.Rulesets.Catch.Tests/TestSceneDrawableHitObjects.cs
index 3c61eb19e5..459b8e1f6f 100644
--- a/osu.Game.Rulesets.Catch.Tests/TestSceneDrawableHitObjects.cs
+++ b/osu.Game.Rulesets.Catch.Tests/TestSceneDrawableHitObjects.cs
@@ -30,7 +30,7 @@ namespace osu.Game.Rulesets.Catch.Tests
             var controlPointInfo = new ControlPointInfo();
             controlPointInfo.Add(0, new TimingControlPoint());
 
-            WorkingBeatmap beatmap = CreateWorkingBeatmap(new Beatmap
+            IWorkingBeatmap beatmap = CreateWorkingBeatmap(new Beatmap
             {
                 HitObjects = new List<HitObject> { new Fruit() },
                 BeatmapInfo = new BeatmapInfo
diff --git a/osu.Game.Rulesets.Taiko.Tests/DrawableTaikoRulesetTestScene.cs b/osu.Game.Rulesets.Taiko.Tests/DrawableTaikoRulesetTestScene.cs
index 783636a62d..4bdb85ba60 100644
--- a/osu.Game.Rulesets.Taiko.Tests/DrawableTaikoRulesetTestScene.cs
+++ b/osu.Game.Rulesets.Taiko.Tests/DrawableTaikoRulesetTestScene.cs
@@ -27,7 +27,7 @@ namespace osu.Game.Rulesets.Taiko.Tests
             var controlPointInfo = new ControlPointInfo();
             controlPointInfo.Add(0, new TimingControlPoint());
 
-            WorkingBeatmap beatmap = CreateWorkingBeatmap(new Beatmap
+            IWorkingBeatmap beatmap = CreateWorkingBeatmap(new Beatmap
             {
                 HitObjects = new List<HitObject> { new Hit { Type = HitType.Centre } },
                 BeatmapInfo = new BeatmapInfo
diff --git a/osu.Game.Tests/Skins/TestSceneBeatmapSkinResources.cs b/osu.Game.Tests/Skins/TestSceneBeatmapSkinResources.cs
index f03cda1489..1d8b754837 100644
--- a/osu.Game.Tests/Skins/TestSceneBeatmapSkinResources.cs
+++ b/osu.Game.Tests/Skins/TestSceneBeatmapSkinResources.cs
@@ -19,7 +19,7 @@ namespace osu.Game.Tests.Skins
         [Resolved]
         private BeatmapManager beatmaps { get; set; }
 
-        private WorkingBeatmap beatmap;
+        private IWorkingBeatmap beatmap;
 
         [BackgroundDependencyLoader]
         private void load()
diff --git a/osu.Game.Tests/Visual/Editing/TestSceneHitObjectComposer.cs b/osu.Game.Tests/Visual/Editing/TestSceneHitObjectComposer.cs
index c758bd1707..eee0d6672c 100644
--- a/osu.Game.Tests/Visual/Editing/TestSceneHitObjectComposer.cs
+++ b/osu.Game.Tests/Visual/Editing/TestSceneHitObjectComposer.cs
@@ -81,11 +81,11 @@ namespace osu.Game.Tests.Visual.Editing
 
         public class EditorBeatmapContainer : Container
         {
-            private readonly WorkingBeatmap working;
+            private readonly IWorkingBeatmap working;
 
             public EditorBeatmap EditorBeatmap { get; private set; }
 
-            public EditorBeatmapContainer(WorkingBeatmap working)
+            public EditorBeatmapContainer(IWorkingBeatmap working)
             {
                 this.working = working;
 
diff --git a/osu.Game.Tests/Visual/Editing/TestSceneWaveform.cs b/osu.Game.Tests/Visual/Editing/TestSceneWaveform.cs
index c3a5a0e944..eb7e90f0a7 100644
--- a/osu.Game.Tests/Visual/Editing/TestSceneWaveform.cs
+++ b/osu.Game.Tests/Visual/Editing/TestSceneWaveform.cs
@@ -20,7 +20,7 @@ namespace osu.Game.Tests.Visual.Editing
     [TestFixture]
     public class TestSceneWaveform : OsuTestScene
     {
-        private WorkingBeatmap waveformBeatmap;
+        private IWorkingBeatmap waveformBeatmap;
 
         [BackgroundDependencyLoader]
         private void load(AudioManager audio)
diff --git a/osu.Game.Tests/Visual/Gameplay/TestScenePlayerLoader.cs b/osu.Game.Tests/Visual/Gameplay/TestScenePlayerLoader.cs
index ba0ee5ac6e..06eaa726c9 100644
--- a/osu.Game.Tests/Visual/Gameplay/TestScenePlayerLoader.cs
+++ b/osu.Game.Tests/Visual/Gameplay/TestScenePlayerLoader.cs
@@ -95,8 +95,9 @@ namespace osu.Game.Tests.Visual.Gameplay
 
         private void prepareBeatmap()
         {
-            Beatmap.Value = CreateWorkingBeatmap(new OsuRuleset().RulesetInfo);
-            Beatmap.Value.BeatmapInfo.EpilepsyWarning = epilepsyWarning;
+            var workingBeatmap = CreateWorkingBeatmap(new OsuRuleset().RulesetInfo);
+            workingBeatmap.BeatmapInfo.EpilepsyWarning = epilepsyWarning;
+            Beatmap.Value = workingBeatmap;
 
             foreach (var mod in SelectedMods.Value.OfType<IApplicableToTrack>())
                 mod.ApplyToTrack(Beatmap.Value.Track);
diff --git a/osu.Game.Tests/Visual/Gameplay/TestScenePlayerReferenceLeaking.cs b/osu.Game.Tests/Visual/Gameplay/TestScenePlayerReferenceLeaking.cs
index 8f767659c6..7c2f1c5bb2 100644
--- a/osu.Game.Tests/Visual/Gameplay/TestScenePlayerReferenceLeaking.cs
+++ b/osu.Game.Tests/Visual/Gameplay/TestScenePlayerReferenceLeaking.cs
@@ -12,7 +12,7 @@ namespace osu.Game.Tests.Visual.Gameplay
 {
     public class TestScenePlayerReferenceLeaking : TestSceneAllRulesetPlayers
     {
-        private readonly WeakList<WorkingBeatmap> workingWeakReferences = new WeakList<WorkingBeatmap>();
+        private readonly WeakList<IWorkingBeatmap> workingWeakReferences = new WeakList<IWorkingBeatmap>();
 
         private readonly WeakList<Player> playerWeakReferences = new WeakList<Player>();
 
diff --git a/osu.Game.Tests/Visual/Gameplay/TestSceneStoryboard.cs b/osu.Game.Tests/Visual/Gameplay/TestSceneStoryboard.cs
index 5a2b8d22fd..3b6d02c67c 100644
--- a/osu.Game.Tests/Visual/Gameplay/TestSceneStoryboard.cs
+++ b/osu.Game.Tests/Visual/Gameplay/TestSceneStoryboard.cs
@@ -86,7 +86,7 @@ namespace osu.Game.Tests.Visual.Gameplay
             track.Start();
         }
 
-        private void loadStoryboard(WorkingBeatmap working)
+        private void loadStoryboard(IWorkingBeatmap working)
         {
             if (storyboard != null)
                 storyboardContainer.Remove(storyboard);
diff --git a/osu.Game.Tests/Visual/Menus/TestSceneMusicActionHandling.cs b/osu.Game.Tests/Visual/Menus/TestSceneMusicActionHandling.cs
index 79dfe79299..6dda8df6f0 100644
--- a/osu.Game.Tests/Visual/Menus/TestSceneMusicActionHandling.cs
+++ b/osu.Game.Tests/Visual/Menus/TestSceneMusicActionHandling.cs
@@ -31,7 +31,7 @@ namespace osu.Game.Tests.Visual.Menus
         public void TestMusicNavigationActions()
         {
             int importId = 0;
-            Queue<(WorkingBeatmap working, TrackChangeDirection changeDirection)> trackChangeQueue = null;
+            Queue<(IWorkingBeatmap working, TrackChangeDirection changeDirection)> trackChangeQueue = null;
 
             // ensure we have at least two beatmaps available to identify the direction the music controller navigated to.
             AddRepeatStep("import beatmap", () => Game.BeatmapManager.Import(new BeatmapSetInfo
@@ -58,7 +58,7 @@ namespace osu.Game.Tests.Visual.Menus
 
             AddStep("bind to track change", () =>
             {
-                trackChangeQueue = new Queue<(WorkingBeatmap, TrackChangeDirection)>();
+                trackChangeQueue = new Queue<(IWorkingBeatmap, TrackChangeDirection)>();
                 Game.MusicController.TrackChanged += (working, changeDirection) => trackChangeQueue.Enqueue((working, changeDirection));
             });
 
diff --git a/osu.Game.Tests/Visual/Navigation/TestScenePresentBeatmap.cs b/osu.Game.Tests/Visual/Navigation/TestScenePresentBeatmap.cs
index ff976c7bf6..d1ee984682 100644
--- a/osu.Game.Tests/Visual/Navigation/TestScenePresentBeatmap.cs
+++ b/osu.Game.Tests/Visual/Navigation/TestScenePresentBeatmap.cs
@@ -7,6 +7,7 @@ using System.Linq;
 using NUnit.Framework;
 using osu.Framework.Screens;
 using osu.Game.Beatmaps;
+using osu.Game.Extensions;
 using osu.Game.Rulesets;
 using osu.Game.Rulesets.Mania;
 using osu.Game.Rulesets.Osu;
@@ -139,7 +140,7 @@ namespace osu.Game.Tests.Visual.Navigation
             AddStep("present beatmap", () => Game.PresentBeatmap(getImport()));
 
             AddUntilStep("wait for song select", () => Game.ScreenStack.CurrentScreen is Screens.Select.SongSelect);
-            AddUntilStep("correct beatmap displayed", () => Game.Beatmap.Value.BeatmapSetInfo.ID == getImport().ID);
+            AddUntilStep("correct beatmap displayed", () => Game.Beatmap.Value.BeatmapSetInfo.MatchesOnlineID(getImport()));
             AddAssert("correct ruleset selected", () => Game.Ruleset.Value.ID == getImport().Beatmaps.First().Ruleset.ID);
         }
 
diff --git a/osu.Game.Tests/Visual/Navigation/TestSceneScreenNavigation.cs b/osu.Game.Tests/Visual/Navigation/TestSceneScreenNavigation.cs
index 5d4594c415..ef71c54e03 100644
--- a/osu.Game.Tests/Visual/Navigation/TestSceneScreenNavigation.cs
+++ b/osu.Game.Tests/Visual/Navigation/TestSceneScreenNavigation.cs
@@ -96,7 +96,7 @@ namespace osu.Game.Tests.Visual.Navigation
             Player player = null;
             ResultsScreen results = null;
 
-            WorkingBeatmap beatmap() => Game.Beatmap.Value;
+            IWorkingBeatmap beatmap() => Game.Beatmap.Value;
 
             PushAndConfirm(() => new TestPlaySongSelect());
 
@@ -128,7 +128,7 @@ namespace osu.Game.Tests.Visual.Navigation
         {
             Player player = null;
 
-            WorkingBeatmap beatmap() => Game.Beatmap.Value;
+            IWorkingBeatmap beatmap() => Game.Beatmap.Value;
 
             PushAndConfirm(() => new TestPlaySongSelect());
 
diff --git a/osu.Game.Tests/Visual/SongSelect/TestSceneBeatmapMetadataDisplay.cs b/osu.Game.Tests/Visual/SongSelect/TestSceneBeatmapMetadataDisplay.cs
index 9473b058cc..11d589f7bc 100644
--- a/osu.Game.Tests/Visual/SongSelect/TestSceneBeatmapMetadataDisplay.cs
+++ b/osu.Game.Tests/Visual/SongSelect/TestSceneBeatmapMetadataDisplay.cs
@@ -88,7 +88,7 @@ namespace osu.Game.Tests.Visual.SongSelect
             });
         }
 
-        private void showMetadataForBeatmap(Func<WorkingBeatmap> getBeatmap)
+        private void showMetadataForBeatmap(Func<IWorkingBeatmap> getBeatmap)
         {
             AddStep("setup display", () =>
             {
diff --git a/osu.Game.Tests/Visual/SongSelect/TestScenePlaySongSelect.cs b/osu.Game.Tests/Visual/SongSelect/TestScenePlaySongSelect.cs
index ee5a61f21f..3646b52cfa 100644
--- a/osu.Game.Tests/Visual/SongSelect/TestScenePlaySongSelect.cs
+++ b/osu.Game.Tests/Visual/SongSelect/TestScenePlaySongSelect.cs
@@ -17,6 +17,7 @@ using osu.Framework.Screens;
 using osu.Framework.Testing;
 using osu.Game.Beatmaps;
 using osu.Game.Configuration;
+using osu.Game.Extensions;
 using osu.Game.Graphics.UserInterface;
 using osu.Game.Online.API.Requests.Responses;
 using osu.Game.Overlays;
@@ -360,7 +361,7 @@ namespace osu.Game.Tests.Visual.SongSelect
             AddUntilStep("has selection", () => songSelect.Carousel.SelectedBeatmapInfo.Equals(target));
 
             // this is an important check, to make sure updateComponentFromBeatmap() was actually run
-            AddUntilStep("selection shown on wedge", () => songSelect.CurrentBeatmapDetailsBeatmap.BeatmapInfo.Equals(target));
+            AddUntilStep("selection shown on wedge", () => songSelect.CurrentBeatmapDetailsBeatmap.BeatmapInfo.MatchesOnlineID(target));
         }
 
         [Test]
@@ -392,7 +393,7 @@ namespace osu.Game.Tests.Visual.SongSelect
             AddUntilStep("has correct ruleset", () => Ruleset.Value.ID == 0);
 
             // this is an important check, to make sure updateComponentFromBeatmap() was actually run
-            AddUntilStep("selection shown on wedge", () => songSelect.CurrentBeatmapDetailsBeatmap.BeatmapInfo.Equals(target));
+            AddUntilStep("selection shown on wedge", () => songSelect.CurrentBeatmapDetailsBeatmap.BeatmapInfo.MatchesOnlineID(target));
         }
 
         [Test]
@@ -672,7 +673,7 @@ namespace osu.Game.Tests.Visual.SongSelect
 
             AddUntilStep("wait for selection", () => !Beatmap.IsDefault);
 
-            AddStep("record set ID", () => previousSetID = Beatmap.Value.BeatmapSetInfo.ID);
+            AddStep("record set ID", () => previousSetID = ((IBeatmapSetInfo)Beatmap.Value.BeatmapSetInfo).OnlineID);
             AddAssert("selection changed once", () => changeCount == 1);
 
             AddAssert("Check ruleset is osu!", () => Ruleset.Value.ID == 0);
@@ -683,8 +684,8 @@ namespace osu.Game.Tests.Visual.SongSelect
 
             AddUntilStep("selection changed", () => changeCount > 1);
 
-            AddAssert("Selected beatmap still same set", () => Beatmap.Value.BeatmapSetInfo.ID == previousSetID);
-            AddAssert("Selected beatmap is mania", () => Beatmap.Value.BeatmapInfo.Ruleset.ID == 3);
+            AddAssert("Selected beatmap still same set", () => Beatmap.Value.BeatmapSetInfo.OnlineID == previousSetID);
+            AddAssert("Selected beatmap is mania", () => Beatmap.Value.BeatmapInfo.Ruleset.OnlineID == 3);
 
             AddAssert("selection changed only fired twice", () => changeCount == 2);
 
@@ -727,7 +728,7 @@ namespace osu.Game.Tests.Visual.SongSelect
 
             int previousSetID = 0;
 
-            AddStep("record set ID", () => previousSetID = Beatmap.Value.BeatmapSetInfo.ID);
+            AddStep("record set ID", () => previousSetID = ((IBeatmapSetInfo)Beatmap.Value.BeatmapSetInfo).OnlineID);
 
             AddStep("Click on a difficulty", () =>
             {
@@ -739,7 +740,7 @@ namespace osu.Game.Tests.Visual.SongSelect
             AddUntilStep("Check ruleset changed to mania", () => Ruleset.Value.ID == 3);
 
             AddAssert("Selected beatmap still same set", () => songSelect.Carousel.SelectedBeatmapInfo.BeatmapSet.ID == previousSetID);
-            AddAssert("Selected beatmap is mania", () => Beatmap.Value.BeatmapInfo.Ruleset.ID == 3);
+            AddAssert("Selected beatmap is mania", () => Beatmap.Value.BeatmapInfo.Ruleset.OnlineID == 3);
         }
 
         [Test]
@@ -784,7 +785,7 @@ namespace osu.Game.Tests.Visual.SongSelect
 
             AddUntilStep("Check ruleset changed to mania", () => Ruleset.Value.ID == 3);
 
-            AddAssert("Check first item in group selected", () => Beatmap.Value.BeatmapInfo.Equals(groupIcon.Items.First().BeatmapInfo));
+            AddAssert("Check first item in group selected", () => Beatmap.Value.BeatmapInfo.MatchesOnlineID(groupIcon.Items.First().BeatmapInfo));
         }
 
         [Test]
@@ -815,7 +816,7 @@ namespace osu.Game.Tests.Visual.SongSelect
 
             AddUntilStep("wait for results screen presented", () => !songSelect.IsCurrentScreen());
 
-            AddAssert("check beatmap is correct for score", () => Beatmap.Value.BeatmapInfo.Equals(getPresentBeatmap()));
+            AddAssert("check beatmap is correct for score", () => Beatmap.Value.BeatmapInfo.MatchesOnlineID(getPresentBeatmap()));
             AddAssert("check ruleset is correct for score", () => Ruleset.Value.ID == 0);
         }
 
@@ -847,7 +848,7 @@ namespace osu.Game.Tests.Visual.SongSelect
 
             AddUntilStep("wait for results screen presented", () => !songSelect.IsCurrentScreen());
 
-            AddAssert("check beatmap is correct for score", () => Beatmap.Value.BeatmapInfo.Equals(getPresentBeatmap()));
+            AddAssert("check beatmap is correct for score", () => Beatmap.Value.BeatmapInfo.MatchesOnlineID(getPresentBeatmap()));
             AddAssert("check ruleset is correct for score", () => Ruleset.Value.ID == 0);
         }
 
@@ -960,7 +961,7 @@ namespace osu.Game.Tests.Visual.SongSelect
             public new FilterControl FilterControl => base.FilterControl;
 
             public WorkingBeatmap CurrentBeatmap => Beatmap.Value;
-            public WorkingBeatmap CurrentBeatmapDetailsBeatmap => BeatmapDetails.Beatmap;
+            public IWorkingBeatmap CurrentBeatmapDetailsBeatmap => BeatmapDetails.Beatmap;
             public new BeatmapCarousel Carousel => base.Carousel;
 
             public new void PresentScore(ScoreInfo score) => base.PresentScore(score);
diff --git a/osu.Game/Beatmaps/BeatmapDifficultyCache.cs b/osu.Game/Beatmaps/BeatmapDifficultyCache.cs
index 7231409dc5..0e9a92989c 100644
--- a/osu.Game/Beatmaps/BeatmapDifficultyCache.cs
+++ b/osu.Game/Beatmaps/BeatmapDifficultyCache.cs
@@ -151,7 +151,7 @@ namespace osu.Game.Beatmaps
             }, token, TaskCreationOptions.HideScheduler | TaskCreationOptions.RunContinuationsAsynchronously, updateScheduler);
         }
 
-        public Task<List<TimedDifficultyAttributes>> GetTimedDifficultyAttributesAsync(WorkingBeatmap beatmap, Ruleset ruleset, Mod[] mods, CancellationToken token = default)
+        public Task<List<TimedDifficultyAttributes>> GetTimedDifficultyAttributesAsync(IWorkingBeatmap beatmap, Ruleset ruleset, Mod[] mods, CancellationToken token = default)
         {
             return Task.Factory.StartNew(() => ruleset.CreateDifficultyCalculator(beatmap).CalculateTimed(mods),
                 token,
diff --git a/osu.Game/Beatmaps/BeatmapManager.cs b/osu.Game/Beatmaps/BeatmapManager.cs
index 48a6663adb..c2a2e93caf 100644
--- a/osu.Game/Beatmaps/BeatmapManager.cs
+++ b/osu.Game/Beatmaps/BeatmapManager.cs
@@ -179,7 +179,7 @@ namespace osu.Game.Beatmaps
         /// <summary>
         /// A default representation of a WorkingBeatmap to use when no beatmap is available.
         /// </summary>
-        public WorkingBeatmap DefaultBeatmap => workingBeatmapCache.DefaultBeatmap;
+        public IWorkingBeatmap DefaultBeatmap => workingBeatmapCache.DefaultBeatmap;
 
         /// <summary>
         /// Fired when a notification should be presented to the user.
diff --git a/osu.Game/Beatmaps/Drawables/BeatmapBackgroundSprite.cs b/osu.Game/Beatmaps/Drawables/BeatmapBackgroundSprite.cs
index 0c59eec1ef..916df429a4 100644
--- a/osu.Game/Beatmaps/Drawables/BeatmapBackgroundSprite.cs
+++ b/osu.Game/Beatmaps/Drawables/BeatmapBackgroundSprite.cs
@@ -9,9 +9,9 @@ namespace osu.Game.Beatmaps.Drawables
 {
     public class BeatmapBackgroundSprite : Sprite
     {
-        private readonly WorkingBeatmap working;
+        private readonly IWorkingBeatmap working;
 
-        public BeatmapBackgroundSprite(WorkingBeatmap working)
+        public BeatmapBackgroundSprite(IWorkingBeatmap working)
         {
             if (working == null)
                 throw new ArgumentNullException(nameof(working));
diff --git a/osu.Game/Online/Chat/NowPlayingCommand.cs b/osu.Game/Online/Chat/NowPlayingCommand.cs
index 34b12c23e6..2bf35d7973 100644
--- a/osu.Game/Online/Chat/NowPlayingCommand.cs
+++ b/osu.Game/Online/Chat/NowPlayingCommand.cs
@@ -37,7 +37,7 @@ namespace osu.Game.Online.Chat
             base.LoadComplete();
 
             string verb;
-            BeatmapInfo beatmapInfo;
+            IBeatmapInfo beatmapInfo;
 
             switch (api.Activity.Value)
             {
@@ -57,7 +57,7 @@ namespace osu.Game.Online.Chat
                     break;
             }
 
-            string beatmapString = beatmapInfo.OnlineID.HasValue ? $"[{api.WebsiteRootUrl}/b/{beatmapInfo.OnlineID} {beatmapInfo}]" : beatmapInfo.ToString();
+            string beatmapString = beatmapInfo.OnlineID > 0 ? $"[{api.WebsiteRootUrl}/b/{beatmapInfo.OnlineID} {beatmapInfo}]" : beatmapInfo.ToString();
 
             channelManager.PostMessage($"is {verb} {beatmapString}", true, target);
             Expire();
diff --git a/osu.Game/Screens/Play/BeatmapMetadataDisplay.cs b/osu.Game/Screens/Play/BeatmapMetadataDisplay.cs
index 430571e1da..795dddfaf5 100644
--- a/osu.Game/Screens/Play/BeatmapMetadataDisplay.cs
+++ b/osu.Game/Screens/Play/BeatmapMetadataDisplay.cs
@@ -25,7 +25,7 @@ namespace osu.Game.Screens.Play
     /// </summary>
     public class BeatmapMetadataDisplay : Container
     {
-        private readonly WorkingBeatmap beatmap;
+        private readonly IWorkingBeatmap beatmap;
         private readonly Bindable<IReadOnlyList<Mod>> mods;
         private readonly Drawable logoFacade;
         private LoadingSpinner loading;
@@ -43,7 +43,7 @@ namespace osu.Game.Screens.Play
             }
         }
 
-        public BeatmapMetadataDisplay(WorkingBeatmap beatmap, Bindable<IReadOnlyList<Mod>> mods, Drawable logoFacade)
+        public BeatmapMetadataDisplay(IWorkingBeatmap beatmap, Bindable<IReadOnlyList<Mod>> mods, Drawable logoFacade)
         {
             this.beatmap = beatmap;
             this.logoFacade = logoFacade;
diff --git a/osu.Game/Screens/Play/Player.cs b/osu.Game/Screens/Play/Player.cs
index 1381493fdf..4d574dea99 100644
--- a/osu.Game/Screens/Play/Player.cs
+++ b/osu.Game/Screens/Play/Player.cs
@@ -354,7 +354,7 @@ namespace osu.Game.Screens.Play
         private Drawable createUnderlayComponents() =>
             DimmableStoryboard = new DimmableStoryboard(Beatmap.Value.Storyboard) { RelativeSizeAxes = Axes.Both };
 
-        private Drawable createGameplayComponents(WorkingBeatmap working, IBeatmap playableBeatmap) => new ScalingContainer(ScalingMode.Gameplay)
+        private Drawable createGameplayComponents(IWorkingBeatmap working, IBeatmap playableBeatmap) => new ScalingContainer(ScalingMode.Gameplay)
         {
             Children = new Drawable[]
             {
@@ -372,7 +372,7 @@ namespace osu.Game.Screens.Play
             }
         };
 
-        private Drawable createOverlayComponents(WorkingBeatmap working)
+        private Drawable createOverlayComponents(IWorkingBeatmap working)
         {
             var container = new Container
             {
diff --git a/osu.Game/Screens/Select/BeatmapInfoWedgeBackground.cs b/osu.Game/Screens/Select/BeatmapInfoWedgeBackground.cs
index 25056790cc..d9b8a20846 100644
--- a/osu.Game/Screens/Select/BeatmapInfoWedgeBackground.cs
+++ b/osu.Game/Screens/Select/BeatmapInfoWedgeBackground.cs
@@ -15,9 +15,9 @@ namespace osu.Game.Screens.Select
 {
     internal class BeatmapInfoWedgeBackground : CompositeDrawable
     {
-        private readonly WorkingBeatmap beatmap;
+        private readonly IWorkingBeatmap beatmap;
 
-        public BeatmapInfoWedgeBackground(WorkingBeatmap beatmap)
+        public BeatmapInfoWedgeBackground(IWorkingBeatmap beatmap)
         {
             this.beatmap = beatmap;
         }
diff --git a/osu.Game/Screens/Select/Carousel/SetPanelBackground.cs b/osu.Game/Screens/Select/Carousel/SetPanelBackground.cs
index b4279cce51..2a37969be1 100644
--- a/osu.Game/Screens/Select/Carousel/SetPanelBackground.cs
+++ b/osu.Game/Screens/Select/Carousel/SetPanelBackground.cs
@@ -14,7 +14,7 @@ namespace osu.Game.Screens.Select.Carousel
 {
     public class SetPanelBackground : BufferedContainer
     {
-        public SetPanelBackground(WorkingBeatmap working)
+        public SetPanelBackground(IWorkingBeatmap working)
             : base(cachedFrameBuffer: true)
         {
             RedrawOnScale = false;
diff --git a/osu.Game/Screens/Select/SongSelect.cs b/osu.Game/Screens/Select/SongSelect.cs
index 4da15ee53c..aef00a9b00 100644
--- a/osu.Game/Screens/Select/SongSelect.cs
+++ b/osu.Game/Screens/Select/SongSelect.cs
@@ -671,7 +671,7 @@ namespace osu.Game.Screens.Select
             music.TrackChanged -= ensureTrackLooping;
         }
 
-        private void ensureTrackLooping(WorkingBeatmap beatmap, TrackChangeDirection changeDirection)
+        private void ensureTrackLooping(IWorkingBeatmap beatmap, TrackChangeDirection changeDirection)
             => beatmap.PrepareTrackForPreviewLooping();
 
         public override bool OnBackButton()
diff --git a/osu.Game/Storyboards/Storyboard.cs b/osu.Game/Storyboards/Storyboard.cs
index 9e3d3df915..d3d6797eae 100644
--- a/osu.Game/Storyboards/Storyboard.cs
+++ b/osu.Game/Storyboards/Storyboard.cs
@@ -89,7 +89,7 @@ namespace osu.Game.Storyboards
             }
         }
 
-        public DrawableStoryboard CreateDrawable(WorkingBeatmap working = null) =>
+        public DrawableStoryboard CreateDrawable(IWorkingBeatmap working = null) =>
             new DrawableStoryboard(this);
 
         public Drawable CreateSpriteFromResourcePath(string path, TextureStore textureStore)
diff --git a/osu.Game/Users/UserActivity.cs b/osu.Game/Users/UserActivity.cs
index 91bcb37fcc..0874685f49 100644
--- a/osu.Game/Users/UserActivity.cs
+++ b/osu.Game/Users/UserActivity.cs
@@ -27,11 +27,11 @@ namespace osu.Game.Users
 
         public abstract class InGame : UserActivity
         {
-            public BeatmapInfo BeatmapInfo { get; }
+            public IBeatmapInfo BeatmapInfo { get; }
 
             public RulesetInfo Ruleset { get; }
 
-            protected InGame(BeatmapInfo beatmapInfo, RulesetInfo ruleset)
+            protected InGame(IBeatmapInfo beatmapInfo, RulesetInfo ruleset)
             {
                 BeatmapInfo = beatmapInfo;
                 Ruleset = ruleset;
@@ -42,7 +42,7 @@ namespace osu.Game.Users
 
         public class InMultiplayerGame : InGame
         {
-            public InMultiplayerGame(BeatmapInfo beatmapInfo, RulesetInfo ruleset)
+            public InMultiplayerGame(IBeatmapInfo beatmapInfo, RulesetInfo ruleset)
                 : base(beatmapInfo, ruleset)
             {
             }
@@ -52,7 +52,7 @@ namespace osu.Game.Users
 
         public class InPlaylistGame : InGame
         {
-            public InPlaylistGame(BeatmapInfo beatmapInfo, RulesetInfo ruleset)
+            public InPlaylistGame(IBeatmapInfo beatmapInfo, RulesetInfo ruleset)
                 : base(beatmapInfo, ruleset)
             {
             }
@@ -60,7 +60,7 @@ namespace osu.Game.Users
 
         public class InSoloGame : InGame
         {
-            public InSoloGame(BeatmapInfo beatmapInfo, RulesetInfo ruleset)
+            public InSoloGame(IBeatmapInfo beatmapInfo, RulesetInfo ruleset)
                 : base(beatmapInfo, ruleset)
             {
             }
@@ -68,9 +68,9 @@ namespace osu.Game.Users
 
         public class Editing : UserActivity
         {
-            public BeatmapInfo BeatmapInfo { get; }
+            public IBeatmapInfo BeatmapInfo { get; }
 
-            public Editing(BeatmapInfo info)
+            public Editing(IBeatmapInfo info)
             {
                 BeatmapInfo = info;
             }