diff --git a/osu.Game.Rulesets.Mania/ManiaRuleset.cs b/osu.Game.Rulesets.Mania/ManiaRuleset.cs
index 04245534f5..befa657715 100644
--- a/osu.Game.Rulesets.Mania/ManiaRuleset.cs
+++ b/osu.Game.Rulesets.Mania/ManiaRuleset.cs
@@ -124,9 +124,9 @@ namespace osu.Game.Rulesets.Mania
             get
             {
                 for (int i = 1; i <= 9; i++)
-                    yield return (int)ManiaVariantType.Solo + i;
+                    yield return (int)ManiaKeyBindingVariantType.Solo + i;
                 for (int i = 2; i <= 18; i++)
-                    yield return (int)ManiaVariantType.Coop + i;
+                    yield return (int)ManiaKeyBindingVariantType.Coop + i;
                 // Todo: Versus mode
             }
         }
@@ -135,7 +135,7 @@ namespace osu.Game.Rulesets.Mania
         {
             switch (getVariantType(variant))
             {
-                case ManiaVariantType.Solo:
+                case ManiaKeyBindingVariantType.Solo:
                     return new VariantMappingGenerator
                     {
                         LeftKeys = new[]
@@ -156,8 +156,8 @@ namespace osu.Game.Rulesets.Mania
                         SpecialAction = ManiaAction.Special1,
                         NormalActionStart = ManiaAction.Key1,
                     }.GenerateKeyBindingsFor(variant);
-                case ManiaVariantType.Coop:
-                case ManiaVariantType.Versus:
+                case ManiaKeyBindingVariantType.Coop:
+                case ManiaKeyBindingVariantType.Versus:
                     getMultiVariantKeyCounts(variant, out int p1K, out int p2K);
 
                     var player1Bindings = new VariantMappingGenerator
@@ -199,7 +199,7 @@ namespace osu.Game.Rulesets.Mania
                         },
                         SpecialKey = InputKey.BackSlash,
                         SpecialAction = ManiaAction.Special2,
-                        NormalActionStart = ManiaAction.Key10
+                        NormalActionStart = ManiaAction.Key1 + p1K
                     }.GenerateKeyBindingsFor(p2K);
 
                     return player1Bindings.Concat(player2Bindings);
@@ -213,14 +213,14 @@ namespace osu.Game.Rulesets.Mania
             switch (getVariantType(variant))
             {
                 default:
-                case ManiaVariantType.Solo:
+                case ManiaKeyBindingVariantType.Solo:
                     return $"{variant}K";
-                case ManiaVariantType.Coop:
+                case ManiaKeyBindingVariantType.Coop:
                 {
                     getMultiVariantKeyCounts(variant, out int p1K, out int p2K);
                     return $"{p1K}K + {p2K}K";
                 }
-                case ManiaVariantType.Versus:
+                case ManiaKeyBindingVariantType.Versus:
                 {
                     getMultiVariantKeyCounts(variant, out int p1K, out int p2K);
                     return $"{p1K}K Vs. {p2K}K";
@@ -229,7 +229,7 @@ namespace osu.Game.Rulesets.Mania
         }
 
         /// <summary>
-        /// Finds the number of keys for each player in <see cref="ManiaVariantType.Coop"/> or <see cref="ManiaVariantType.Versus"/>.
+        /// Finds the number of keys for each player in <see cref="ManiaKeyBindingVariantType.Coop"/> or <see cref="ManiaKeyBindingVariantType.Versus"/>.
         /// </summary>
         /// <param name="variant">The variant.</param>
         /// <param name="player1Keys">The number of keys for player 1.</param>
@@ -241,16 +241,16 @@ namespace osu.Game.Rulesets.Mania
 
             switch (getVariantType(variant))
             {
-                case ManiaVariantType.Coop:
+                case ManiaKeyBindingVariantType.Coop:
                 {
-                    int totalKeys = variant - (int)ManiaVariantType.Coop;
+                    int totalKeys = variant - (int)ManiaKeyBindingVariantType.Coop;
                     player1Keys = (int)Math.Ceiling(totalKeys / 2f);
                     player2Keys = (int)Math.Floor(totalKeys / 2f);
                     break;
                 }
-                case ManiaVariantType.Versus:
+                case ManiaKeyBindingVariantType.Versus:
                 {
-                    int totalKeys = variant - (int)ManiaVariantType.Versus;
+                    int totalKeys = variant - (int)ManiaKeyBindingVariantType.Versus;
                     player1Keys = totalKeys;
                     player2Keys = totalKeys;
                     break;
@@ -259,13 +259,13 @@ namespace osu.Game.Rulesets.Mania
         }
 
         /// <summary>
-        /// Finds the <see cref="ManiaVariantType"/> that corresponds to a variant value.
+        /// Finds the <see cref="ManiaKeyBindingVariantType"/> that corresponds to a variant value.
         /// </summary>
         /// <param name="variant">The variant value.</param>
-        /// <returns>The <see cref="ManiaVariantType"/> that corresponds to <paramref name="variant"/>.</returns>
-        private ManiaVariantType getVariantType(int variant)
+        /// <returns>The <see cref="ManiaKeyBindingVariantType"/> that corresponds to <paramref name="variant"/>.</returns>
+        private ManiaKeyBindingVariantType getVariantType(int variant)
         {
-            return (ManiaVariantType)Enum.GetValues(typeof(ManiaVariantType)).Cast<int>().OrderByDescending(i => i).First(v => variant > v);
+            return (ManiaKeyBindingVariantType)Enum.GetValues(typeof(ManiaKeyBindingVariantType)).Cast<int>().OrderByDescending(i => i).First(v => variant >= v);
         }
     }
 
@@ -320,7 +320,7 @@ namespace osu.Game.Rulesets.Mania
         }
     }
 
-    public enum ManiaVariantType
+    public enum ManiaKeyBindingVariantType
     {
         /// <summary>
         /// Solo play keybinding variant (single stage).
diff --git a/osu.Game.Rulesets.Mania/Mods/IKeyBindingMod.cs b/osu.Game.Rulesets.Mania/Mods/IKeyBindingMod.cs
new file mode 100644
index 0000000000..585db9e340
--- /dev/null
+++ b/osu.Game.Rulesets.Mania/Mods/IKeyBindingMod.cs
@@ -0,0 +1,13 @@
+// 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.Rulesets.Mania.Mods
+{
+    public interface IKeyBindingMod
+    {
+        /// <summary>
+        /// The keybinding variant which this <see cref="IKeyBindingMod"/> requires.
+        /// </summary>
+        ManiaKeyBindingVariantType Variant { get; }
+    }
+}
diff --git a/osu.Game.Rulesets.Mania/Mods/ManiaModKeyCoop.cs b/osu.Game.Rulesets.Mania/Mods/ManiaModKeyCoop.cs
index 5fbf59e5e6..382eea589c 100644
--- a/osu.Game.Rulesets.Mania/Mods/ManiaModKeyCoop.cs
+++ b/osu.Game.Rulesets.Mania/Mods/ManiaModKeyCoop.cs
@@ -12,7 +12,7 @@ using osu.Game.Rulesets.UI;
 
 namespace osu.Game.Rulesets.Mania.Mods
 {
-    public class ManiaModKeyCoop : Mod, IApplicableToBeatmapConverter<ManiaHitObject>, IApplicableToRulesetContainer<ManiaHitObject>
+    public class ManiaModKeyCoop : Mod, IKeyBindingMod, IApplicableToBeatmapConverter<ManiaHitObject>, IApplicableToRulesetContainer<ManiaHitObject>
     {
         public override string Name => "KeyCoop";
         public override string ShortenedName => "2P";
@@ -44,5 +44,7 @@ namespace osu.Game.Rulesets.Mania.Mods
 
             mrc.Beatmap.Stages = newDefinitions;
         }
+
+        public ManiaKeyBindingVariantType Variant => ManiaKeyBindingVariantType.Coop;
     }
 }
diff --git a/osu.Game.Rulesets.Mania/UI/ManiaRulesetContainer.cs b/osu.Game.Rulesets.Mania/UI/ManiaRulesetContainer.cs
index 3a3aaa0e03..db881c5ba2 100644
--- a/osu.Game.Rulesets.Mania/UI/ManiaRulesetContainer.cs
+++ b/osu.Game.Rulesets.Mania/UI/ManiaRulesetContainer.cs
@@ -11,6 +11,7 @@ using osu.Framework.MathUtils;
 using osu.Game.Beatmaps;
 using osu.Game.Beatmaps.ControlPoints;
 using osu.Game.Rulesets.Mania.Beatmaps;
+using osu.Game.Rulesets.Mania.Mods;
 using osu.Game.Rulesets.Mania.Objects;
 using osu.Game.Rulesets.Mania.Objects.Drawables;
 using osu.Game.Rulesets.Mania.Replays;
@@ -76,7 +77,11 @@ namespace osu.Game.Rulesets.Mania.UI
 
         public override ScoreProcessor CreateScoreProcessor() => new ManiaScoreProcessor(this);
 
-        public override PassThroughInputManager CreateInputManager() => new ManiaInputManager(Ruleset.RulesetInfo, Beatmap.TotalColumns);
+        public override PassThroughInputManager CreateInputManager()
+        {
+            var variantType = Mods.OfType<IKeyBindingMod>().FirstOrDefault()?.Variant ?? ManiaKeyBindingVariantType.Solo;
+            return new ManiaInputManager(Ruleset.RulesetInfo, (int)variantType + Beatmap.TotalColumns);
+        }
 
         protected override BeatmapConverter<ManiaHitObject> CreateBeatmapConverter() => new ManiaBeatmapConverter(IsForCurrentRuleset, WorkingBeatmap.Beatmap);
 
diff --git a/osu.Game.Rulesets.Mania/osu.Game.Rulesets.Mania.csproj b/osu.Game.Rulesets.Mania/osu.Game.Rulesets.Mania.csproj
index ae29484161..82202df923 100644
--- a/osu.Game.Rulesets.Mania/osu.Game.Rulesets.Mania.csproj
+++ b/osu.Game.Rulesets.Mania/osu.Game.Rulesets.Mania.csproj
@@ -64,6 +64,7 @@
     <Compile Include="Judgements\HoldNoteTickJudgement.cs" />
     <Compile Include="Judgements\ManiaJudgement.cs" />
     <Compile Include="ManiaDifficultyCalculator.cs" />
+    <Compile Include="Mods\IKeyBindingMod.cs" />
     <Compile Include="Mods\ManiaKeyMod.cs" />
     <Compile Include="Mods\ManiaModAutoplay.cs" />
     <Compile Include="Mods\ManiaModDaycore.cs" />