diff --git a/osu.Game.Tests/Visual/Gameplay/TestSceneUnstableRateCounter.cs b/osu.Game.Tests/Visual/Gameplay/TestSceneUnstableRateCounter.cs
new file mode 100644
index 0000000000..12bca1122a
--- /dev/null
+++ b/osu.Game.Tests/Visual/Gameplay/TestSceneUnstableRateCounter.cs
@@ -0,0 +1,210 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System;
+using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
+using System.Linq;
+using NUnit.Framework;
+using osu.Framework.Allocation;
+using osu.Framework.Extensions.IEnumerableExtensions;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Testing;
+using osu.Framework.Threading;
+using osu.Framework.Utils;
+using osu.Game.Graphics.Sprites;
+using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Mania.Scoring;
+using osu.Game.Rulesets.Mods;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.Osu;
+using osu.Game.Rulesets.Osu.Objects;
+using osu.Game.Rulesets.Osu.Scoring;
+using osu.Game.Rulesets.Scoring;
+using osu.Game.Rulesets.Taiko.Scoring;
+using osu.Game.Rulesets.UI;
+using osu.Game.Scoring;
+using osu.Game.Screens.Play;
+using osu.Game.Screens.Play.HUD;
+using osu.Game.Screens.Play.HUD.HitErrorMeters;
+using osuTK;
+
+namespace osu.Game.Tests.Visual.Gameplay
+{
+    public class TestSceneUnstableRateCounter : OsuTestScene
+    {
+        [Cached(typeof(ScoreProcessor))]
+        private TestScoreProcessor scoreProcessor = new TestScoreProcessor();
+
+        [Cached(typeof(GameplayState))]
+        private GameplayState gameplayState;
+
+
+        [Cached(typeof(DrawableRuleset))]
+        private TestDrawableRuleset drawableRuleset = new TestDrawableRuleset();
+
+        private double prev;
+
+
+
+        public TestSceneUnstableRateCounter()
+        {
+            Score score = new Score
+            {
+                ScoreInfo = new ScoreInfo(),
+            };
+            gameplayState = new GameplayState(null, null, null, score);
+            scoreProcessor.NewJudgement += result => scoreProcessor.PopulateScore(score.ScoreInfo);
+        }
+
+
+
+
+
+        [SetUpSteps]
+        public void SetUp()
+        {
+            AddStep("Reset Score Processor", () => scoreProcessor.Reset());
+        }
+
+        [Test]
+        public void TestBasic()
+        {
+            AddStep("Create Display", () => recreateDisplay(new OsuHitWindows(), 5));
+
+
+            AddRepeatStep("Set UR to 250ms", () => setUR(25), 20);
+
+            AddStep("Reset UR", () =>
+            {
+                scoreProcessor.Reset();
+                recreateDisplay(new OsuHitWindows(), 5);
+            });
+
+            AddRepeatStep("Set UR to 100ms", () => setUR(10), 20);
+
+            AddStep("Reset UR", () =>
+            {
+                scoreProcessor.Reset();
+                recreateDisplay(new OsuHitWindows(), 5);
+            });
+
+            AddRepeatStep("Set UR to 0 (+50ms)", () => newJudgement(50), 20);
+
+            AddStep("Reset UR", () =>
+            {
+                scoreProcessor.Reset();
+                recreateDisplay(new OsuHitWindows(), 5);
+            });
+
+            AddRepeatStep("Set UR to 0 (-50ms)", () => newJudgement(-50), 20);
+
+            AddRepeatStep("New random judgement", () => newJudgement(), 40);
+        }
+        private void recreateDisplay(HitWindows hitWindows, float overallDifficulty)
+        {
+            hitWindows?.SetDifficulty(overallDifficulty);
+
+            drawableRuleset.HitWindows = hitWindows;
+
+            Clear();
+
+            Add(new UnstableRateCounter
+            {
+                Anchor = Anchor.Centre,
+                Origin = Anchor.Centre,
+                Scale = new Vector2(5),
+            });
+
+            Add(new BarHitErrorMeter
+            {
+                Anchor = Anchor.BottomCentre,
+                Origin = Anchor.CentreLeft,
+                Rotation = 270,
+            });
+
+            Add(new ColourHitErrorMeter
+            {
+                Anchor = Anchor.BottomCentre,
+                Origin = Anchor.CentreLeft,
+                Rotation = 270,
+                Margin = new MarginPadding { Left = 50 }
+            });
+        }
+
+
+
+
+
+
+        private void newJudgement(double offset = 0, HitResult result = HitResult.Perfect)
+        {
+            scoreProcessor.ApplyResult(new JudgementResult(new HitCircle { HitWindows = drawableRuleset.HitWindows }, new Judgement())
+            {
+                TimeOffset = offset == 0 ? RNG.Next(-150, 150) : offset,
+                Type = result,
+            });
+        }
+
+        private void setUR(double UR = 0, HitResult result = HitResult.Perfect)
+        {
+
+            double placement = prev > 0 ? -UR : UR;
+            scoreProcessor.ApplyResult(new JudgementResult(new HitCircle { HitWindows = drawableRuleset.HitWindows }, new Judgement())
+            {
+                TimeOffset = placement,
+                Type = result,
+            });
+            prev = placement;
+        }
+
+
+
+
+
+
+
+        [SuppressMessage("ReSharper", "UnassignedGetOnlyAutoProperty")]
+        private class TestDrawableRuleset : DrawableRuleset
+        {
+            public HitWindows HitWindows;
+
+            public override IEnumerable<HitObject> Objects => new[] { new HitCircle { HitWindows = HitWindows } };
+
+            public override event Action<JudgementResult> NewResult;
+            public override event Action<JudgementResult> RevertResult;
+
+            public override Playfield Playfield { get; }
+            public override Container Overlays { get; }
+            public override Container FrameStableComponents { get; }
+            public override IFrameStableClock FrameStableClock { get; }
+            internal override bool FrameStablePlayback { get; set; }
+            public override IReadOnlyList<Mod> Mods { get; }
+
+            public override double GameplayStartTime { get; }
+            public override GameplayCursorContainer Cursor { get; }
+
+            public TestDrawableRuleset()
+                : base(new OsuRuleset())
+            {
+                // won't compile without this.
+                NewResult?.Invoke(null);
+                RevertResult?.Invoke(null);
+            }
+
+            public override void SetReplayScore(Score replayScore) => throw new NotImplementedException();
+
+            public override void SetRecordTarget(Score score) => throw new NotImplementedException();
+
+            public override void RequestResume(Action continueResume) => throw new NotImplementedException();
+
+            public override void CancelResume() => throw new NotImplementedException();
+        }
+
+        private class TestScoreProcessor : ScoreProcessor
+        {
+            public void Reset() => base.Reset(false);
+        }
+    }
+}