diff --git a/osu.Game.Rulesets.Mania.Tests/Editor/TestSceneManiaSelectionHandler.cs b/osu.Game.Rulesets.Mania.Tests/Editor/TestSceneManiaSelectionHandler.cs
new file mode 100644
index 0000000000..b48f579ec0
--- /dev/null
+++ b/osu.Game.Rulesets.Mania.Tests/Editor/TestSceneManiaSelectionHandler.cs
@@ -0,0 +1,96 @@
+// 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.Linq;
+using NUnit.Framework;
+using osu.Framework.Testing;
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Mania.Objects;
+using osu.Game.Screens.Edit.Compose.Components;
+using osu.Game.Tests.Beatmaps;
+using osu.Game.Tests.Visual;
+using osuTK.Input;
+
+namespace osu.Game.Rulesets.Mania.Tests.Editor
+{
+    public partial class TestSceneManiaSelectionHandler : EditorTestScene
+    {
+        protected override Ruleset CreateEditorRuleset() => new ManiaRuleset();
+
+        protected override IBeatmap CreateBeatmap(RulesetInfo ruleset) => new TestBeatmap(ruleset, false);
+
+        [Test]
+        public void TestHorizontalFlipOverSelection()
+        {
+            ManiaHitObject first = null!, second = null!, third = null!;
+
+            AddStep("create objects", () =>
+            {
+                EditorBeatmap.Add(first = new Note { StartTime = 250, Column = 2 });
+                EditorBeatmap.Add(second = new HoldNote { StartTime = 750, Duration = 1500, Column = 1 });
+                EditorBeatmap.Add(third = new Note { StartTime = 1250, Column = 3 });
+            });
+
+            AddStep("select everything", () => EditorBeatmap.SelectedHitObjects.AddRange(EditorBeatmap.HitObjects));
+            AddStep("flip horizontally over selection", () =>
+            {
+                InputManager.MoveMouseTo(this.ChildrenOfType<SelectionBoxButton>().First());
+                InputManager.Click(MouseButton.Left);
+            });
+
+            AddAssert("first object stayed in place", () => first.Column, () => Is.EqualTo(2));
+            AddAssert("second object flipped", () => second.Column, () => Is.EqualTo(3));
+            AddAssert("third object flipped", () => third.Column, () => Is.EqualTo(1));
+        }
+
+        [Test]
+        public void TestHorizontalFlipOverPlayfield()
+        {
+            ManiaHitObject first = null!, second = null!, third = null!;
+
+            AddStep("create objects", () =>
+            {
+                EditorBeatmap.Add(first = new Note { StartTime = 250, Column = 2 });
+                EditorBeatmap.Add(second = new HoldNote { StartTime = 750, Duration = 1500, Column = 1 });
+                EditorBeatmap.Add(third = new Note { StartTime = 1250, Column = 3 });
+            });
+
+            AddStep("select everything", () => EditorBeatmap.SelectedHitObjects.AddRange(EditorBeatmap.HitObjects));
+            AddStep("flip horizontally", () =>
+            {
+                InputManager.PressKey(Key.ControlLeft);
+                InputManager.Key(Key.H);
+                InputManager.ReleaseKey(Key.ControlLeft);
+            });
+
+            AddAssert("first object flipped", () => first.Column, () => Is.EqualTo(1));
+            AddAssert("second object flipped", () => second.Column, () => Is.EqualTo(2));
+            AddAssert("third object flipped", () => third.Column, () => Is.EqualTo(0));
+        }
+
+        [Test]
+        public void TestVerticalFlip()
+        {
+            ManiaHitObject first = null!, second = null!, third = null!;
+
+            AddStep("create objects", () =>
+            {
+                EditorBeatmap.Add(first = new Note { StartTime = 250, Column = 2 });
+                EditorBeatmap.Add(second = new HoldNote { StartTime = 750, Duration = 1500, Column = 1 });
+                EditorBeatmap.Add(third = new Note { StartTime = 1250, Column = 3 });
+            });
+
+            AddStep("select everything", () => EditorBeatmap.SelectedHitObjects.AddRange(EditorBeatmap.HitObjects));
+            AddStep("flip vertically", () =>
+            {
+                InputManager.PressKey(Key.ControlLeft);
+                InputManager.Key(Key.J);
+                InputManager.ReleaseKey(Key.ControlLeft);
+            });
+
+            AddAssert("first object flipped", () => first.StartTime, () => Is.EqualTo(2250));
+            AddAssert("second object flipped", () => second.StartTime, () => Is.EqualTo(250));
+            AddAssert("third object flipped", () => third.StartTime, () => Is.EqualTo(1250));
+        }
+    }
+}
diff --git a/osu.Game.Rulesets.Mania/Edit/ManiaSelectionHandler.cs b/osu.Game.Rulesets.Mania/Edit/ManiaSelectionHandler.cs
index 8fdbada04f..9ae2112b30 100644
--- a/osu.Game.Rulesets.Mania/Edit/ManiaSelectionHandler.cs
+++ b/osu.Game.Rulesets.Mania/Edit/ManiaSelectionHandler.cs
@@ -4,6 +4,7 @@
 using System;
 using System.Linq;
 using osu.Framework.Allocation;
+using osu.Framework.Graphics;
 using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Mania.Objects;
 using osu.Game.Rulesets.Objects;
@@ -16,6 +17,16 @@ namespace osu.Game.Rulesets.Mania.Edit
         [Resolved]
         private HitObjectComposer composer { get; set; } = null!;
 
+        protected override void OnSelectionChanged()
+        {
+            base.OnSelectionChanged();
+
+            var selectedObjects = SelectedItems.OfType<ManiaHitObject>().ToArray();
+
+            SelectionBox.CanFlipX = canFlipX(selectedObjects);
+            SelectionBox.CanFlipY = canFlipY(selectedObjects);
+        }
+
         public override bool HandleMovement(MoveSelectionEvent<HitObject> moveEvent)
         {
             var hitObjectBlueprint = (HitObjectSelectionBlueprint)moveEvent.Blueprint;
@@ -26,6 +37,58 @@ namespace osu.Game.Rulesets.Mania.Edit
             return true;
         }
 
+        public override bool HandleFlip(Direction direction, bool flipOverOrigin)
+        {
+            var selectedObjects = SelectedItems.OfType<ManiaHitObject>().ToArray();
+            var maniaPlayfield = ((ManiaHitObjectComposer)composer).Playfield;
+
+            if (selectedObjects.Length == 0)
+                return false;
+
+            switch (direction)
+            {
+                case Direction.Horizontal:
+                    if (!canFlipX(selectedObjects))
+                        return false;
+
+                    int firstColumn = flipOverOrigin ? 0 : selectedObjects.Min(ho => ho.Column);
+                    int lastColumn = flipOverOrigin ? (int)EditorBeatmap.BeatmapInfo.Difficulty.CircleSize - 1 : selectedObjects.Max(ho => ho.Column);
+
+                    EditorBeatmap.PerformOnSelection(hitObject =>
+                    {
+                        var maniaObject = (ManiaHitObject)hitObject;
+                        maniaPlayfield.Remove(maniaObject);
+                        maniaObject.Column = firstColumn + (lastColumn - maniaObject.Column);
+                        maniaPlayfield.Add(maniaObject);
+                    });
+
+                    return true;
+
+                case Direction.Vertical:
+                    if (!canFlipY(selectedObjects))
+                        return false;
+
+                    double selectionStartTime = selectedObjects.Min(ho => ho.StartTime);
+                    double selectionEndTime = selectedObjects.Max(ho => ho.GetEndTime());
+
+                    EditorBeatmap.PerformOnSelection(hitObject =>
+                    {
+                        hitObject.StartTime = selectionStartTime + (selectionEndTime - hitObject.GetEndTime());
+                    });
+
+                    return true;
+
+                default:
+                    throw new ArgumentOutOfRangeException(nameof(direction), direction, "Cannot flip over the supplied direction.");
+            }
+        }
+
+        private static bool canFlipX(ManiaHitObject[] selectedObjects)
+            => selectedObjects.Select(ho => ho.Column).Distinct().Count() > 1;
+
+        private static bool canFlipY(ManiaHitObject[] selectedObjects)
+            => selectedObjects.Length > 1 && selectedObjects.Min(ho => ho.StartTime) < selectedObjects.Max(ho => ho.GetEndTime());
+
         private void performColumnMovement(int lastColumn, MoveSelectionEvent<HitObject> moveEvent)
         {
             var maniaPlayfield = ((ManiaHitObjectComposer)composer).Playfield;