diff --git a/osu.Game.Rulesets.Catch/CatchRuleset.cs b/osu.Game.Rulesets.Catch/CatchRuleset.cs
index 0a817eca0d..f4ddbd3021 100644
--- a/osu.Game.Rulesets.Catch/CatchRuleset.cs
+++ b/osu.Game.Rulesets.Catch/CatchRuleset.cs
@@ -21,6 +21,7 @@ using osu.Game.Rulesets.Difficulty;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Scoring;
 using System;
+using osu.Framework.Extensions.EnumExtensions;
 using osu.Game.Rulesets.Catch.Skinning.Legacy;
 using osu.Game.Skinning;
 
@@ -50,40 +51,40 @@ namespace osu.Game.Rulesets.Catch
 
         public override IEnumerable<Mod> ConvertFromLegacyMods(LegacyMods mods)
         {
-            if (mods.HasFlag(LegacyMods.Nightcore))
+            if (mods.HasFlagFast(LegacyMods.Nightcore))
                 yield return new CatchModNightcore();
-            else if (mods.HasFlag(LegacyMods.DoubleTime))
+            else if (mods.HasFlagFast(LegacyMods.DoubleTime))
                 yield return new CatchModDoubleTime();
 
-            if (mods.HasFlag(LegacyMods.Perfect))
+            if (mods.HasFlagFast(LegacyMods.Perfect))
                 yield return new CatchModPerfect();
-            else if (mods.HasFlag(LegacyMods.SuddenDeath))
+            else if (mods.HasFlagFast(LegacyMods.SuddenDeath))
                 yield return new CatchModSuddenDeath();
 
-            if (mods.HasFlag(LegacyMods.Cinema))
+            if (mods.HasFlagFast(LegacyMods.Cinema))
                 yield return new CatchModCinema();
-            else if (mods.HasFlag(LegacyMods.Autoplay))
+            else if (mods.HasFlagFast(LegacyMods.Autoplay))
                 yield return new CatchModAutoplay();
 
-            if (mods.HasFlag(LegacyMods.Easy))
+            if (mods.HasFlagFast(LegacyMods.Easy))
                 yield return new CatchModEasy();
 
-            if (mods.HasFlag(LegacyMods.Flashlight))
+            if (mods.HasFlagFast(LegacyMods.Flashlight))
                 yield return new CatchModFlashlight();
 
-            if (mods.HasFlag(LegacyMods.HalfTime))
+            if (mods.HasFlagFast(LegacyMods.HalfTime))
                 yield return new CatchModHalfTime();
 
-            if (mods.HasFlag(LegacyMods.HardRock))
+            if (mods.HasFlagFast(LegacyMods.HardRock))
                 yield return new CatchModHardRock();
 
-            if (mods.HasFlag(LegacyMods.Hidden))
+            if (mods.HasFlagFast(LegacyMods.Hidden))
                 yield return new CatchModHidden();
 
-            if (mods.HasFlag(LegacyMods.NoFail))
+            if (mods.HasFlagFast(LegacyMods.NoFail))
                 yield return new CatchModNoFail();
 
-            if (mods.HasFlag(LegacyMods.Relax))
+            if (mods.HasFlagFast(LegacyMods.Relax))
                 yield return new CatchModRelax();
         }
 
diff --git a/osu.Game.Rulesets.Mania.Tests/TestSceneNotes.cs b/osu.Game.Rulesets.Mania.Tests/TestSceneNotes.cs
index 6b8f5d5d9d..706268e478 100644
--- a/osu.Game.Rulesets.Mania.Tests/TestSceneNotes.cs
+++ b/osu.Game.Rulesets.Mania.Tests/TestSceneNotes.cs
@@ -6,6 +6,7 @@ using NUnit.Framework;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Framework.Extensions.Color4Extensions;
+using osu.Framework.Extensions.EnumExtensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
@@ -97,7 +98,7 @@ namespace osu.Game.Rulesets.Mania.Tests
         }
 
         private bool verifyAnchors(DrawableHitObject hitObject, Anchor expectedAnchor)
-            => hitObject.Anchor.HasFlag(expectedAnchor) && hitObject.Origin.HasFlag(expectedAnchor);
+            => hitObject.Anchor.HasFlagFast(expectedAnchor) && hitObject.Origin.HasFlagFast(expectedAnchor);
 
         private bool verifyAnchors(DrawableHoldNote holdNote, Anchor expectedAnchor)
             => verifyAnchors((DrawableHitObject)holdNote, expectedAnchor) && holdNote.NestedHitObjects.All(n => verifyAnchors(n, expectedAnchor));
diff --git a/osu.Game.Rulesets.Mania/Beatmaps/Patterns/Legacy/DistanceObjectPatternGenerator.cs b/osu.Game.Rulesets.Mania/Beatmaps/Patterns/Legacy/DistanceObjectPatternGenerator.cs
index 30d33de06e..c81710ed18 100644
--- a/osu.Game.Rulesets.Mania/Beatmaps/Patterns/Legacy/DistanceObjectPatternGenerator.cs
+++ b/osu.Game.Rulesets.Mania/Beatmaps/Patterns/Legacy/DistanceObjectPatternGenerator.cs
@@ -5,6 +5,7 @@ using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.Linq;
+using osu.Framework.Extensions.EnumExtensions;
 using osu.Game.Audio;
 using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Mania.MathUtils;
@@ -141,7 +142,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
 
             if (ConversionDifficulty > 6.5)
             {
-                if (convertType.HasFlag(PatternType.LowProbability))
+                if (convertType.HasFlagFast(PatternType.LowProbability))
                     return generateNRandomNotes(StartTime, 0.78, 0.3, 0);
 
                 return generateNRandomNotes(StartTime, 0.85, 0.36, 0.03);
@@ -149,7 +150,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
 
             if (ConversionDifficulty > 4)
             {
-                if (convertType.HasFlag(PatternType.LowProbability))
+                if (convertType.HasFlagFast(PatternType.LowProbability))
                     return generateNRandomNotes(StartTime, 0.43, 0.08, 0);
 
                 return generateNRandomNotes(StartTime, 0.56, 0.18, 0);
@@ -157,13 +158,13 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
 
             if (ConversionDifficulty > 2.5)
             {
-                if (convertType.HasFlag(PatternType.LowProbability))
+                if (convertType.HasFlagFast(PatternType.LowProbability))
                     return generateNRandomNotes(StartTime, 0.3, 0, 0);
 
                 return generateNRandomNotes(StartTime, 0.37, 0.08, 0);
             }
 
-            if (convertType.HasFlag(PatternType.LowProbability))
+            if (convertType.HasFlagFast(PatternType.LowProbability))
                 return generateNRandomNotes(StartTime, 0.17, 0, 0);
 
             return generateNRandomNotes(StartTime, 0.27, 0, 0);
@@ -221,7 +222,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
             var pattern = new Pattern();
 
             int nextColumn = GetColumn((HitObject as IHasXPosition)?.X ?? 0, true);
-            if (convertType.HasFlag(PatternType.ForceNotStack) && PreviousPattern.ColumnWithObjects < TotalColumns)
+            if (convertType.HasFlagFast(PatternType.ForceNotStack) && PreviousPattern.ColumnWithObjects < TotalColumns)
                 nextColumn = FindAvailableColumn(nextColumn, PreviousPattern);
 
             int lastColumn = nextColumn;
@@ -373,7 +374,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
 
             static bool isDoubleSample(HitSampleInfo sample) => sample.Name == HitSampleInfo.HIT_CLAP || sample.Name == HitSampleInfo.HIT_FINISH;
 
-            bool canGenerateTwoNotes = !convertType.HasFlag(PatternType.LowProbability);
+            bool canGenerateTwoNotes = !convertType.HasFlagFast(PatternType.LowProbability);
             canGenerateTwoNotes &= HitObject.Samples.Any(isDoubleSample) || sampleInfoListAt(StartTime).Any(isDoubleSample);
 
             if (canGenerateTwoNotes)
@@ -406,7 +407,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
             int endTime = startTime + SegmentDuration * SpanCount;
 
             int nextColumn = GetColumn((HitObject as IHasXPosition)?.X ?? 0, true);
-            if (convertType.HasFlag(PatternType.ForceNotStack) && PreviousPattern.ColumnWithObjects < TotalColumns)
+            if (convertType.HasFlagFast(PatternType.ForceNotStack) && PreviousPattern.ColumnWithObjects < TotalColumns)
                 nextColumn = FindAvailableColumn(nextColumn, PreviousPattern);
 
             for (int i = 0; i < columnRepeat; i++)
@@ -435,7 +436,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
             var pattern = new Pattern();
 
             int holdColumn = GetColumn((HitObject as IHasXPosition)?.X ?? 0, true);
-            if (convertType.HasFlag(PatternType.ForceNotStack) && PreviousPattern.ColumnWithObjects < TotalColumns)
+            if (convertType.HasFlagFast(PatternType.ForceNotStack) && PreviousPattern.ColumnWithObjects < TotalColumns)
                 holdColumn = FindAvailableColumn(holdColumn, PreviousPattern);
 
             // Create the hold note
diff --git a/osu.Game.Rulesets.Mania/Beatmaps/Patterns/Legacy/HitObjectPatternGenerator.cs b/osu.Game.Rulesets.Mania/Beatmaps/Patterns/Legacy/HitObjectPatternGenerator.cs
index bc4ab55767..8e9020ee13 100644
--- a/osu.Game.Rulesets.Mania/Beatmaps/Patterns/Legacy/HitObjectPatternGenerator.cs
+++ b/osu.Game.Rulesets.Mania/Beatmaps/Patterns/Legacy/HitObjectPatternGenerator.cs
@@ -4,6 +4,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using osu.Framework.Extensions.EnumExtensions;
 using osuTK;
 using osu.Game.Audio;
 using osu.Game.Beatmaps;
@@ -78,7 +79,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
             else
                 convertType |= PatternType.LowProbability;
 
-            if (!convertType.HasFlag(PatternType.KeepSingle))
+            if (!convertType.HasFlagFast(PatternType.KeepSingle))
             {
                 if (HitObject.Samples.Any(s => s.Name == HitSampleInfo.HIT_FINISH) && TotalColumns != 8)
                     convertType |= PatternType.Mirror;
@@ -101,7 +102,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
 
                 int lastColumn = PreviousPattern.HitObjects.FirstOrDefault()?.Column ?? 0;
 
-                if (convertType.HasFlag(PatternType.Reverse) && PreviousPattern.HitObjects.Any())
+                if (convertType.HasFlagFast(PatternType.Reverse) && PreviousPattern.HitObjects.Any())
                 {
                     // Generate a new pattern by copying the last hit objects in reverse-column order
                     for (int i = RandomStart; i < TotalColumns; i++)
@@ -113,7 +114,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
                     return pattern;
                 }
 
-                if (convertType.HasFlag(PatternType.Cycle) && PreviousPattern.HitObjects.Count() == 1
+                if (convertType.HasFlagFast(PatternType.Cycle) && PreviousPattern.HitObjects.Count() == 1
                                                            // If we convert to 7K + 1, let's not overload the special key
                                                            && (TotalColumns != 8 || lastColumn != 0)
                                                            // Make sure the last column was not the centre column
@@ -126,7 +127,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
                     return pattern;
                 }
 
-                if (convertType.HasFlag(PatternType.ForceStack) && PreviousPattern.HitObjects.Any())
+                if (convertType.HasFlagFast(PatternType.ForceStack) && PreviousPattern.HitObjects.Any())
                 {
                     // Generate a new pattern by placing on the already filled columns
                     for (int i = RandomStart; i < TotalColumns; i++)
@@ -140,7 +141,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
 
                 if (PreviousPattern.HitObjects.Count() == 1)
                 {
-                    if (convertType.HasFlag(PatternType.Stair))
+                    if (convertType.HasFlagFast(PatternType.Stair))
                     {
                         // Generate a new pattern by placing on the next column, cycling back to the start if there is no "next"
                         int targetColumn = lastColumn + 1;
@@ -151,7 +152,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
                         return pattern;
                     }
 
-                    if (convertType.HasFlag(PatternType.ReverseStair))
+                    if (convertType.HasFlagFast(PatternType.ReverseStair))
                     {
                         // Generate a new pattern by placing on the previous column, cycling back to the end if there is no "previous"
                         int targetColumn = lastColumn - 1;
@@ -163,10 +164,10 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
                     }
                 }
 
-                if (convertType.HasFlag(PatternType.KeepSingle))
+                if (convertType.HasFlagFast(PatternType.KeepSingle))
                     return generateRandomNotes(1);
 
-                if (convertType.HasFlag(PatternType.Mirror))
+                if (convertType.HasFlagFast(PatternType.Mirror))
                 {
                     if (ConversionDifficulty > 6.5)
                         return generateRandomPatternWithMirrored(0.12, 0.38, 0.12);
@@ -178,7 +179,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
 
                 if (ConversionDifficulty > 6.5)
                 {
-                    if (convertType.HasFlag(PatternType.LowProbability))
+                    if (convertType.HasFlagFast(PatternType.LowProbability))
                         return generateRandomPattern(0.78, 0.42, 0, 0);
 
                     return generateRandomPattern(1, 0.62, 0, 0);
@@ -186,7 +187,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
 
                 if (ConversionDifficulty > 4)
                 {
-                    if (convertType.HasFlag(PatternType.LowProbability))
+                    if (convertType.HasFlagFast(PatternType.LowProbability))
                         return generateRandomPattern(0.35, 0.08, 0, 0);
 
                     return generateRandomPattern(0.52, 0.15, 0, 0);
@@ -194,7 +195,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
 
                 if (ConversionDifficulty > 2)
                 {
-                    if (convertType.HasFlag(PatternType.LowProbability))
+                    if (convertType.HasFlagFast(PatternType.LowProbability))
                         return generateRandomPattern(0.18, 0, 0, 0);
 
                     return generateRandomPattern(0.45, 0, 0, 0);
@@ -207,9 +208,9 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
 
             foreach (var obj in p.HitObjects)
             {
-                if (convertType.HasFlag(PatternType.Stair) && obj.Column == TotalColumns - 1)
+                if (convertType.HasFlagFast(PatternType.Stair) && obj.Column == TotalColumns - 1)
                     StairType = PatternType.ReverseStair;
-                if (convertType.HasFlag(PatternType.ReverseStair) && obj.Column == RandomStart)
+                if (convertType.HasFlagFast(PatternType.ReverseStair) && obj.Column == RandomStart)
                     StairType = PatternType.Stair;
             }
 
@@ -229,7 +230,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
         {
             var pattern = new Pattern();
 
-            bool allowStacking = !convertType.HasFlag(PatternType.ForceNotStack);
+            bool allowStacking = !convertType.HasFlagFast(PatternType.ForceNotStack);
 
             if (!allowStacking)
                 noteCount = Math.Min(noteCount, TotalColumns - RandomStart - PreviousPattern.ColumnWithObjects);
@@ -249,7 +250,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
 
             int getNextColumn(int last)
             {
-                if (convertType.HasFlag(PatternType.Gathered))
+                if (convertType.HasFlagFast(PatternType.Gathered))
                 {
                     last++;
                     if (last == TotalColumns)
@@ -296,7 +297,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
         /// <returns>The <see cref="Pattern"/> containing the hit objects.</returns>
         private Pattern generateRandomPatternWithMirrored(double centreProbability, double p2, double p3)
         {
-            if (convertType.HasFlag(PatternType.ForceNotStack))
+            if (convertType.HasFlagFast(PatternType.ForceNotStack))
                 return generateRandomPattern(1 / 2f + p2 / 2, p2, (p2 + p3) / 2, p3);
 
             var pattern = new Pattern();
diff --git a/osu.Game.Rulesets.Mania/ManiaRuleset.cs b/osu.Game.Rulesets.Mania/ManiaRuleset.cs
index 4c729fef83..d624e094ad 100644
--- a/osu.Game.Rulesets.Mania/ManiaRuleset.cs
+++ b/osu.Game.Rulesets.Mania/ManiaRuleset.cs
@@ -9,6 +9,7 @@ using osu.Game.Rulesets.Mods;
 using osu.Game.Rulesets.UI;
 using System.Collections.Generic;
 using System.Linq;
+using osu.Framework.Extensions.EnumExtensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Input.Bindings;
@@ -59,76 +60,76 @@ namespace osu.Game.Rulesets.Mania
 
         public override IEnumerable<Mod> ConvertFromLegacyMods(LegacyMods mods)
         {
-            if (mods.HasFlag(LegacyMods.Nightcore))
+            if (mods.HasFlagFast(LegacyMods.Nightcore))
                 yield return new ManiaModNightcore();
-            else if (mods.HasFlag(LegacyMods.DoubleTime))
+            else if (mods.HasFlagFast(LegacyMods.DoubleTime))
                 yield return new ManiaModDoubleTime();
 
-            if (mods.HasFlag(LegacyMods.Perfect))
+            if (mods.HasFlagFast(LegacyMods.Perfect))
                 yield return new ManiaModPerfect();
-            else if (mods.HasFlag(LegacyMods.SuddenDeath))
+            else if (mods.HasFlagFast(LegacyMods.SuddenDeath))
                 yield return new ManiaModSuddenDeath();
 
-            if (mods.HasFlag(LegacyMods.Cinema))
+            if (mods.HasFlagFast(LegacyMods.Cinema))
                 yield return new ManiaModCinema();
-            else if (mods.HasFlag(LegacyMods.Autoplay))
+            else if (mods.HasFlagFast(LegacyMods.Autoplay))
                 yield return new ManiaModAutoplay();
 
-            if (mods.HasFlag(LegacyMods.Easy))
+            if (mods.HasFlagFast(LegacyMods.Easy))
                 yield return new ManiaModEasy();
 
-            if (mods.HasFlag(LegacyMods.FadeIn))
+            if (mods.HasFlagFast(LegacyMods.FadeIn))
                 yield return new ManiaModFadeIn();
 
-            if (mods.HasFlag(LegacyMods.Flashlight))
+            if (mods.HasFlagFast(LegacyMods.Flashlight))
                 yield return new ManiaModFlashlight();
 
-            if (mods.HasFlag(LegacyMods.HalfTime))
+            if (mods.HasFlagFast(LegacyMods.HalfTime))
                 yield return new ManiaModHalfTime();
 
-            if (mods.HasFlag(LegacyMods.HardRock))
+            if (mods.HasFlagFast(LegacyMods.HardRock))
                 yield return new ManiaModHardRock();
 
-            if (mods.HasFlag(LegacyMods.Hidden))
+            if (mods.HasFlagFast(LegacyMods.Hidden))
                 yield return new ManiaModHidden();
 
-            if (mods.HasFlag(LegacyMods.Key1))
+            if (mods.HasFlagFast(LegacyMods.Key1))
                 yield return new ManiaModKey1();
 
-            if (mods.HasFlag(LegacyMods.Key2))
+            if (mods.HasFlagFast(LegacyMods.Key2))
                 yield return new ManiaModKey2();
 
-            if (mods.HasFlag(LegacyMods.Key3))
+            if (mods.HasFlagFast(LegacyMods.Key3))
                 yield return new ManiaModKey3();
 
-            if (mods.HasFlag(LegacyMods.Key4))
+            if (mods.HasFlagFast(LegacyMods.Key4))
                 yield return new ManiaModKey4();
 
-            if (mods.HasFlag(LegacyMods.Key5))
+            if (mods.HasFlagFast(LegacyMods.Key5))
                 yield return new ManiaModKey5();
 
-            if (mods.HasFlag(LegacyMods.Key6))
+            if (mods.HasFlagFast(LegacyMods.Key6))
                 yield return new ManiaModKey6();
 
-            if (mods.HasFlag(LegacyMods.Key7))
+            if (mods.HasFlagFast(LegacyMods.Key7))
                 yield return new ManiaModKey7();
 
-            if (mods.HasFlag(LegacyMods.Key8))
+            if (mods.HasFlagFast(LegacyMods.Key8))
                 yield return new ManiaModKey8();
 
-            if (mods.HasFlag(LegacyMods.Key9))
+            if (mods.HasFlagFast(LegacyMods.Key9))
                 yield return new ManiaModKey9();
 
-            if (mods.HasFlag(LegacyMods.KeyCoop))
+            if (mods.HasFlagFast(LegacyMods.KeyCoop))
                 yield return new ManiaModDualStages();
 
-            if (mods.HasFlag(LegacyMods.NoFail))
+            if (mods.HasFlagFast(LegacyMods.NoFail))
                 yield return new ManiaModNoFail();
 
-            if (mods.HasFlag(LegacyMods.Random))
+            if (mods.HasFlagFast(LegacyMods.Random))
                 yield return new ManiaModRandom();
 
-            if (mods.HasFlag(LegacyMods.Mirror))
+            if (mods.HasFlagFast(LegacyMods.Mirror))
                 yield return new ManiaModMirror();
         }
 
diff --git a/osu.Game.Rulesets.Osu/OsuRuleset.cs b/osu.Game.Rulesets.Osu/OsuRuleset.cs
index 18324a18a8..838d707d64 100644
--- a/osu.Game.Rulesets.Osu/OsuRuleset.cs
+++ b/osu.Game.Rulesets.Osu/OsuRuleset.cs
@@ -29,6 +29,7 @@ using osu.Game.Scoring;
 using osu.Game.Skinning;
 using System;
 using System.Linq;
+using osu.Framework.Extensions.EnumExtensions;
 using osu.Game.Rulesets.Osu.Objects;
 using osu.Game.Rulesets.Osu.Skinning.Legacy;
 using osu.Game.Rulesets.Osu.Statistics;
@@ -58,52 +59,52 @@ namespace osu.Game.Rulesets.Osu
 
         public override IEnumerable<Mod> ConvertFromLegacyMods(LegacyMods mods)
         {
-            if (mods.HasFlag(LegacyMods.Nightcore))
+            if (mods.HasFlagFast(LegacyMods.Nightcore))
                 yield return new OsuModNightcore();
-            else if (mods.HasFlag(LegacyMods.DoubleTime))
+            else if (mods.HasFlagFast(LegacyMods.DoubleTime))
                 yield return new OsuModDoubleTime();
 
-            if (mods.HasFlag(LegacyMods.Perfect))
+            if (mods.HasFlagFast(LegacyMods.Perfect))
                 yield return new OsuModPerfect();
-            else if (mods.HasFlag(LegacyMods.SuddenDeath))
+            else if (mods.HasFlagFast(LegacyMods.SuddenDeath))
                 yield return new OsuModSuddenDeath();
 
-            if (mods.HasFlag(LegacyMods.Autopilot))
+            if (mods.HasFlagFast(LegacyMods.Autopilot))
                 yield return new OsuModAutopilot();
 
-            if (mods.HasFlag(LegacyMods.Cinema))
+            if (mods.HasFlagFast(LegacyMods.Cinema))
                 yield return new OsuModCinema();
-            else if (mods.HasFlag(LegacyMods.Autoplay))
+            else if (mods.HasFlagFast(LegacyMods.Autoplay))
                 yield return new OsuModAutoplay();
 
-            if (mods.HasFlag(LegacyMods.Easy))
+            if (mods.HasFlagFast(LegacyMods.Easy))
                 yield return new OsuModEasy();
 
-            if (mods.HasFlag(LegacyMods.Flashlight))
+            if (mods.HasFlagFast(LegacyMods.Flashlight))
                 yield return new OsuModFlashlight();
 
-            if (mods.HasFlag(LegacyMods.HalfTime))
+            if (mods.HasFlagFast(LegacyMods.HalfTime))
                 yield return new OsuModHalfTime();
 
-            if (mods.HasFlag(LegacyMods.HardRock))
+            if (mods.HasFlagFast(LegacyMods.HardRock))
                 yield return new OsuModHardRock();
 
-            if (mods.HasFlag(LegacyMods.Hidden))
+            if (mods.HasFlagFast(LegacyMods.Hidden))
                 yield return new OsuModHidden();
 
-            if (mods.HasFlag(LegacyMods.NoFail))
+            if (mods.HasFlagFast(LegacyMods.NoFail))
                 yield return new OsuModNoFail();
 
-            if (mods.HasFlag(LegacyMods.Relax))
+            if (mods.HasFlagFast(LegacyMods.Relax))
                 yield return new OsuModRelax();
 
-            if (mods.HasFlag(LegacyMods.SpunOut))
+            if (mods.HasFlagFast(LegacyMods.SpunOut))
                 yield return new OsuModSpunOut();
 
-            if (mods.HasFlag(LegacyMods.Target))
+            if (mods.HasFlagFast(LegacyMods.Target))
                 yield return new OsuModTarget();
 
-            if (mods.HasFlag(LegacyMods.TouchDevice))
+            if (mods.HasFlagFast(LegacyMods.TouchDevice))
                 yield return new OsuModTouchDevice();
         }
 
diff --git a/osu.Game.Rulesets.Taiko/TaikoRuleset.cs b/osu.Game.Rulesets.Taiko/TaikoRuleset.cs
index f2b5d195b4..56f58f404b 100644
--- a/osu.Game.Rulesets.Taiko/TaikoRuleset.cs
+++ b/osu.Game.Rulesets.Taiko/TaikoRuleset.cs
@@ -22,6 +22,7 @@ using osu.Game.Rulesets.Taiko.Scoring;
 using osu.Game.Scoring;
 using System;
 using System.Linq;
+using osu.Framework.Extensions.EnumExtensions;
 using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Taiko.Edit;
 using osu.Game.Rulesets.Taiko.Objects;
@@ -57,43 +58,43 @@ namespace osu.Game.Rulesets.Taiko
 
         public override IEnumerable<Mod> ConvertFromLegacyMods(LegacyMods mods)
         {
-            if (mods.HasFlag(LegacyMods.Nightcore))
+            if (mods.HasFlagFast(LegacyMods.Nightcore))
                 yield return new TaikoModNightcore();
-            else if (mods.HasFlag(LegacyMods.DoubleTime))
+            else if (mods.HasFlagFast(LegacyMods.DoubleTime))
                 yield return new TaikoModDoubleTime();
 
-            if (mods.HasFlag(LegacyMods.Perfect))
+            if (mods.HasFlagFast(LegacyMods.Perfect))
                 yield return new TaikoModPerfect();
-            else if (mods.HasFlag(LegacyMods.SuddenDeath))
+            else if (mods.HasFlagFast(LegacyMods.SuddenDeath))
                 yield return new TaikoModSuddenDeath();
 
-            if (mods.HasFlag(LegacyMods.Cinema))
+            if (mods.HasFlagFast(LegacyMods.Cinema))
                 yield return new TaikoModCinema();
-            else if (mods.HasFlag(LegacyMods.Autoplay))
+            else if (mods.HasFlagFast(LegacyMods.Autoplay))
                 yield return new TaikoModAutoplay();
 
-            if (mods.HasFlag(LegacyMods.Easy))
+            if (mods.HasFlagFast(LegacyMods.Easy))
                 yield return new TaikoModEasy();
 
-            if (mods.HasFlag(LegacyMods.Flashlight))
+            if (mods.HasFlagFast(LegacyMods.Flashlight))
                 yield return new TaikoModFlashlight();
 
-            if (mods.HasFlag(LegacyMods.HalfTime))
+            if (mods.HasFlagFast(LegacyMods.HalfTime))
                 yield return new TaikoModHalfTime();
 
-            if (mods.HasFlag(LegacyMods.HardRock))
+            if (mods.HasFlagFast(LegacyMods.HardRock))
                 yield return new TaikoModHardRock();
 
-            if (mods.HasFlag(LegacyMods.Hidden))
+            if (mods.HasFlagFast(LegacyMods.Hidden))
                 yield return new TaikoModHidden();
 
-            if (mods.HasFlag(LegacyMods.NoFail))
+            if (mods.HasFlagFast(LegacyMods.NoFail))
                 yield return new TaikoModNoFail();
 
-            if (mods.HasFlag(LegacyMods.Relax))
+            if (mods.HasFlagFast(LegacyMods.Relax))
                 yield return new TaikoModRelax();
 
-            if (mods.HasFlag(LegacyMods.Random))
+            if (mods.HasFlagFast(LegacyMods.Random))
                 yield return new TaikoModRandom();
         }
 
diff --git a/osu.Game/Beatmaps/Formats/LegacyBeatmapDecoder.cs b/osu.Game/Beatmaps/Formats/LegacyBeatmapDecoder.cs
index 37ab489da5..99dffa7041 100644
--- a/osu.Game/Beatmaps/Formats/LegacyBeatmapDecoder.cs
+++ b/osu.Game/Beatmaps/Formats/LegacyBeatmapDecoder.cs
@@ -6,6 +6,7 @@ using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using osu.Framework.Extensions;
+using osu.Framework.Extensions.EnumExtensions;
 using osu.Game.Beatmaps.ControlPoints;
 using osu.Game.Beatmaps.Legacy;
 using osu.Game.Beatmaps.Timing;
@@ -348,8 +349,8 @@ namespace osu.Game.Beatmaps.Formats
             if (split.Length >= 8)
             {
                 LegacyEffectFlags effectFlags = (LegacyEffectFlags)Parsing.ParseInt(split[7]);
-                kiaiMode = effectFlags.HasFlag(LegacyEffectFlags.Kiai);
-                omitFirstBarSignature = effectFlags.HasFlag(LegacyEffectFlags.OmitFirstBarLine);
+                kiaiMode = effectFlags.HasFlagFast(LegacyEffectFlags.Kiai);
+                omitFirstBarSignature = effectFlags.HasFlagFast(LegacyEffectFlags.OmitFirstBarLine);
             }
 
             string stringSampleSet = sampleSet.ToString().ToLowerInvariant();
diff --git a/osu.Game/Graphics/UserInterface/BarGraph.cs b/osu.Game/Graphics/UserInterface/BarGraph.cs
index 953f3985f9..407bf6a923 100644
--- a/osu.Game/Graphics/UserInterface/BarGraph.cs
+++ b/osu.Game/Graphics/UserInterface/BarGraph.cs
@@ -6,6 +6,7 @@ using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using System.Collections.Generic;
 using System.Linq;
+using osu.Framework.Extensions.EnumExtensions;
 
 namespace osu.Game.Graphics.UserInterface
 {
@@ -24,11 +25,11 @@ namespace osu.Game.Graphics.UserInterface
             set
             {
                 direction = value;
-                base.Direction = direction.HasFlag(BarDirection.Horizontal) ? FillDirection.Vertical : FillDirection.Horizontal;
+                base.Direction = direction.HasFlagFast(BarDirection.Horizontal) ? FillDirection.Vertical : FillDirection.Horizontal;
 
                 foreach (var bar in Children)
                 {
-                    bar.Size = direction.HasFlag(BarDirection.Horizontal) ? new Vector2(1, 1.0f / Children.Count) : new Vector2(1.0f / Children.Count, 1);
+                    bar.Size = direction.HasFlagFast(BarDirection.Horizontal) ? new Vector2(1, 1.0f / Children.Count) : new Vector2(1.0f / Children.Count, 1);
                     bar.Direction = direction;
                 }
             }
@@ -56,14 +57,14 @@ namespace osu.Game.Graphics.UserInterface
                     if (bar.Bar != null)
                     {
                         bar.Bar.Length = length;
-                        bar.Bar.Size = direction.HasFlag(BarDirection.Horizontal) ? new Vector2(1, size) : new Vector2(size, 1);
+                        bar.Bar.Size = direction.HasFlagFast(BarDirection.Horizontal) ? new Vector2(1, size) : new Vector2(size, 1);
                     }
                     else
                     {
                         Add(new Bar
                         {
                             RelativeSizeAxes = Axes.Both,
-                            Size = direction.HasFlag(BarDirection.Horizontal) ? new Vector2(1, size) : new Vector2(size, 1),
+                            Size = direction.HasFlagFast(BarDirection.Horizontal) ? new Vector2(1, size) : new Vector2(size, 1),
                             Length = length,
                             Direction = Direction,
                         });
diff --git a/osu.Game/Graphics/UserInterface/TwoLayerButton.cs b/osu.Game/Graphics/UserInterface/TwoLayerButton.cs
index 120149d8c1..8f03c7073c 100644
--- a/osu.Game/Graphics/UserInterface/TwoLayerButton.cs
+++ b/osu.Game/Graphics/UserInterface/TwoLayerButton.cs
@@ -12,6 +12,7 @@ using osu.Game.Graphics.Containers;
 using osu.Game.Beatmaps.ControlPoints;
 using osu.Framework.Audio.Track;
 using System;
+using osu.Framework.Extensions.EnumExtensions;
 using osu.Framework.Graphics.Effects;
 using osu.Framework.Graphics.Shapes;
 using osu.Framework.Input.Events;
@@ -56,15 +57,15 @@ namespace osu.Game.Graphics.UserInterface
             set
             {
                 base.Origin = value;
-                c1.Origin = c1.Anchor = value.HasFlag(Anchor.x2) ? Anchor.TopLeft : Anchor.TopRight;
-                c2.Origin = c2.Anchor = value.HasFlag(Anchor.x2) ? Anchor.TopRight : Anchor.TopLeft;
+                c1.Origin = c1.Anchor = value.HasFlagFast(Anchor.x2) ? Anchor.TopLeft : Anchor.TopRight;
+                c2.Origin = c2.Anchor = value.HasFlagFast(Anchor.x2) ? Anchor.TopRight : Anchor.TopLeft;
 
-                X = value.HasFlag(Anchor.x2) ? SIZE_RETRACTED.X * shear.X * 0.5f : 0;
+                X = value.HasFlagFast(Anchor.x2) ? SIZE_RETRACTED.X * shear.X * 0.5f : 0;
 
                 Remove(c1);
                 Remove(c2);
-                c1.Depth = value.HasFlag(Anchor.x2) ? 0 : 1;
-                c2.Depth = value.HasFlag(Anchor.x2) ? 1 : 0;
+                c1.Depth = value.HasFlagFast(Anchor.x2) ? 0 : 1;
+                c2.Depth = value.HasFlagFast(Anchor.x2) ? 1 : 0;
                 Add(c1);
                 Add(c2);
             }
diff --git a/osu.Game/Overlays/Toolbar/ToolbarButton.cs b/osu.Game/Overlays/Toolbar/ToolbarButton.cs
index 83f2bdf6cb..5939f7a42f 100644
--- a/osu.Game/Overlays/Toolbar/ToolbarButton.cs
+++ b/osu.Game/Overlays/Toolbar/ToolbarButton.cs
@@ -4,6 +4,7 @@
 using osu.Framework.Allocation;
 using osu.Framework.Caching;
 using osu.Framework.Extensions.Color4Extensions;
+using osu.Framework.Extensions.EnumExtensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Effects;
@@ -127,9 +128,9 @@ namespace osu.Game.Overlays.Toolbar
                 {
                     Direction = FillDirection.Vertical,
                     RelativeSizeAxes = Axes.Both, // stops us being considered in parent's autosize
-                    Anchor = TooltipAnchor.HasFlag(Anchor.x0) ? Anchor.BottomLeft : Anchor.BottomRight,
+                    Anchor = TooltipAnchor.HasFlagFast(Anchor.x0) ? Anchor.BottomLeft : Anchor.BottomRight,
                     Origin = TooltipAnchor,
-                    Position = new Vector2(TooltipAnchor.HasFlag(Anchor.x0) ? 5 : -5, 5),
+                    Position = new Vector2(TooltipAnchor.HasFlagFast(Anchor.x0) ? 5 : -5, 5),
                     Alpha = 0,
                     Children = new Drawable[]
                     {
diff --git a/osu.Game/Replays/Legacy/LegacyReplayFrame.cs b/osu.Game/Replays/Legacy/LegacyReplayFrame.cs
index ab9ccda9b9..f6abf259e8 100644
--- a/osu.Game/Replays/Legacy/LegacyReplayFrame.cs
+++ b/osu.Game/Replays/Legacy/LegacyReplayFrame.cs
@@ -3,6 +3,7 @@
 
 using MessagePack;
 using Newtonsoft.Json;
+using osu.Framework.Extensions.EnumExtensions;
 using osu.Game.Rulesets.Replays;
 using osuTK;
 
@@ -31,19 +32,19 @@ namespace osu.Game.Replays.Legacy
 
         [JsonIgnore]
         [IgnoreMember]
-        public bool MouseLeft1 => ButtonState.HasFlag(ReplayButtonState.Left1);
+        public bool MouseLeft1 => ButtonState.HasFlagFast(ReplayButtonState.Left1);
 
         [JsonIgnore]
         [IgnoreMember]
-        public bool MouseRight1 => ButtonState.HasFlag(ReplayButtonState.Right1);
+        public bool MouseRight1 => ButtonState.HasFlagFast(ReplayButtonState.Right1);
 
         [JsonIgnore]
         [IgnoreMember]
-        public bool MouseLeft2 => ButtonState.HasFlag(ReplayButtonState.Left2);
+        public bool MouseLeft2 => ButtonState.HasFlagFast(ReplayButtonState.Left2);
 
         [JsonIgnore]
         [IgnoreMember]
-        public bool MouseRight2 => ButtonState.HasFlag(ReplayButtonState.Right2);
+        public bool MouseRight2 => ButtonState.HasFlagFast(ReplayButtonState.Right2);
 
         [Key(3)]
         public ReplayButtonState ButtonState;
diff --git a/osu.Game/Rulesets/Objects/Legacy/ConvertHitObjectParser.cs b/osu.Game/Rulesets/Objects/Legacy/ConvertHitObjectParser.cs
index 72025de131..8419dd66de 100644
--- a/osu.Game/Rulesets/Objects/Legacy/ConvertHitObjectParser.cs
+++ b/osu.Game/Rulesets/Objects/Legacy/ConvertHitObjectParser.cs
@@ -10,6 +10,7 @@ using osu.Game.Beatmaps.Formats;
 using osu.Game.Audio;
 using System.Linq;
 using JetBrains.Annotations;
+using osu.Framework.Extensions.EnumExtensions;
 using osu.Framework.Utils;
 using osu.Game.Beatmaps.Legacy;
 using osu.Game.Skinning;
@@ -54,7 +55,7 @@ namespace osu.Game.Rulesets.Objects.Legacy
             int comboOffset = (int)(type & LegacyHitObjectType.ComboOffset) >> 4;
             type &= ~LegacyHitObjectType.ComboOffset;
 
-            bool combo = type.HasFlag(LegacyHitObjectType.NewCombo);
+            bool combo = type.HasFlagFast(LegacyHitObjectType.NewCombo);
             type &= ~LegacyHitObjectType.NewCombo;
 
             var soundType = (LegacyHitSoundType)Parsing.ParseInt(split[4]);
@@ -62,14 +63,14 @@ namespace osu.Game.Rulesets.Objects.Legacy
 
             HitObject result = null;
 
-            if (type.HasFlag(LegacyHitObjectType.Circle))
+            if (type.HasFlagFast(LegacyHitObjectType.Circle))
             {
                 result = CreateHit(pos, combo, comboOffset);
 
                 if (split.Length > 5)
                     readCustomSampleBanks(split[5], bankInfo);
             }
-            else if (type.HasFlag(LegacyHitObjectType.Slider))
+            else if (type.HasFlagFast(LegacyHitObjectType.Slider))
             {
                 double? length = null;
 
@@ -141,7 +142,7 @@ namespace osu.Game.Rulesets.Objects.Legacy
 
                 result = CreateSlider(pos, combo, comboOffset, convertPathString(split[5], pos), length, repeatCount, nodeSamples);
             }
-            else if (type.HasFlag(LegacyHitObjectType.Spinner))
+            else if (type.HasFlagFast(LegacyHitObjectType.Spinner))
             {
                 double duration = Math.Max(0, Parsing.ParseDouble(split[5]) + Offset - startTime);
 
@@ -150,7 +151,7 @@ namespace osu.Game.Rulesets.Objects.Legacy
                 if (split.Length > 6)
                     readCustomSampleBanks(split[6], bankInfo);
             }
-            else if (type.HasFlag(LegacyHitObjectType.Hold))
+            else if (type.HasFlagFast(LegacyHitObjectType.Hold))
             {
                 // Note: Hold is generated by BMS converts
 
@@ -436,16 +437,16 @@ namespace osu.Game.Rulesets.Objects.Legacy
                 new LegacyHitSampleInfo(HitSampleInfo.HIT_NORMAL, bankInfo.Normal, bankInfo.Volume, bankInfo.CustomSampleBank,
                     // if the sound type doesn't have the Normal flag set, attach it anyway as a layered sample.
                     // None also counts as a normal non-layered sample: https://osu.ppy.sh/help/wiki/osu!_File_Formats/Osu_(file_format)#hitsounds
-                    type != LegacyHitSoundType.None && !type.HasFlag(LegacyHitSoundType.Normal))
+                    type != LegacyHitSoundType.None && !type.HasFlagFast(LegacyHitSoundType.Normal))
             };
 
-            if (type.HasFlag(LegacyHitSoundType.Finish))
+            if (type.HasFlagFast(LegacyHitSoundType.Finish))
                 soundTypes.Add(new LegacyHitSampleInfo(HitSampleInfo.HIT_FINISH, bankInfo.Add, bankInfo.Volume, bankInfo.CustomSampleBank));
 
-            if (type.HasFlag(LegacyHitSoundType.Whistle))
+            if (type.HasFlagFast(LegacyHitSoundType.Whistle))
                 soundTypes.Add(new LegacyHitSampleInfo(HitSampleInfo.HIT_WHISTLE, bankInfo.Add, bankInfo.Volume, bankInfo.CustomSampleBank));
 
-            if (type.HasFlag(LegacyHitSoundType.Clap))
+            if (type.HasFlagFast(LegacyHitSoundType.Clap))
                 soundTypes.Add(new LegacyHitSampleInfo(HitSampleInfo.HIT_CLAP, bankInfo.Add, bankInfo.Volume, bankInfo.CustomSampleBank));
 
             return soundTypes;
diff --git a/osu.Game/Storyboards/Drawables/DrawableStoryboardAnimation.cs b/osu.Game/Storyboards/Drawables/DrawableStoryboardAnimation.cs
index 7eac994e07..81623a9307 100644
--- a/osu.Game/Storyboards/Drawables/DrawableStoryboardAnimation.cs
+++ b/osu.Game/Storyboards/Drawables/DrawableStoryboardAnimation.cs
@@ -3,6 +3,7 @@
 
 using System;
 using osu.Framework.Allocation;
+using osu.Framework.Extensions.EnumExtensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Animations;
 using osu.Framework.Graphics.Textures;
@@ -80,17 +81,17 @@ namespace osu.Game.Storyboards.Drawables
 
                 if (FlipH)
                 {
-                    if (origin.HasFlag(Anchor.x0))
+                    if (origin.HasFlagFast(Anchor.x0))
                         origin = Anchor.x2 | (origin & (Anchor.y0 | Anchor.y1 | Anchor.y2));
-                    else if (origin.HasFlag(Anchor.x2))
+                    else if (origin.HasFlagFast(Anchor.x2))
                         origin = Anchor.x0 | (origin & (Anchor.y0 | Anchor.y1 | Anchor.y2));
                 }
 
                 if (FlipV)
                 {
-                    if (origin.HasFlag(Anchor.y0))
+                    if (origin.HasFlagFast(Anchor.y0))
                         origin = Anchor.y2 | (origin & (Anchor.x0 | Anchor.x1 | Anchor.x2));
-                    else if (origin.HasFlag(Anchor.y2))
+                    else if (origin.HasFlagFast(Anchor.y2))
                         origin = Anchor.y0 | (origin & (Anchor.x0 | Anchor.x1 | Anchor.x2));
                 }
 
diff --git a/osu.Game/Storyboards/Drawables/DrawableStoryboardSprite.cs b/osu.Game/Storyboards/Drawables/DrawableStoryboardSprite.cs
index 7b1a6d54da..eb877f3dff 100644
--- a/osu.Game/Storyboards/Drawables/DrawableStoryboardSprite.cs
+++ b/osu.Game/Storyboards/Drawables/DrawableStoryboardSprite.cs
@@ -3,6 +3,7 @@
 
 using System;
 using osu.Framework.Allocation;
+using osu.Framework.Extensions.EnumExtensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Textures;
@@ -80,17 +81,17 @@ namespace osu.Game.Storyboards.Drawables
 
                 if (FlipH)
                 {
-                    if (origin.HasFlag(Anchor.x0))
+                    if (origin.HasFlagFast(Anchor.x0))
                         origin = Anchor.x2 | (origin & (Anchor.y0 | Anchor.y1 | Anchor.y2));
-                    else if (origin.HasFlag(Anchor.x2))
+                    else if (origin.HasFlagFast(Anchor.x2))
                         origin = Anchor.x0 | (origin & (Anchor.y0 | Anchor.y1 | Anchor.y2));
                 }
 
                 if (FlipV)
                 {
-                    if (origin.HasFlag(Anchor.y0))
+                    if (origin.HasFlagFast(Anchor.y0))
                         origin = Anchor.y2 | (origin & (Anchor.x0 | Anchor.x1 | Anchor.x2));
-                    else if (origin.HasFlag(Anchor.y2))
+                    else if (origin.HasFlagFast(Anchor.y2))
                         origin = Anchor.y0 | (origin & (Anchor.x0 | Anchor.x1 | Anchor.x2));
                 }