diff --git a/osu.Game/Overlays/Mods/ModSelectOverlay.cs b/osu.Game/Overlays/Mods/ModSelectOverlay.cs
index 93fe693937..488c0659f4 100644
--- a/osu.Game/Overlays/Mods/ModSelectOverlay.cs
+++ b/osu.Game/Overlays/Mods/ModSelectOverlay.cs
@@ -51,6 +51,11 @@ namespace osu.Game.Overlays.Mods
         /// </summary>
         protected virtual bool Stacked => true;
 
+        /// <summary>
+        /// Whether configurable <see cref="Mod"/>s can be configured by the local user.
+        /// </summary>
+        protected virtual bool AllowConfiguration => true;
+
         [NotNull]
         private Func<Mod, bool> isValidMod = m => true;
 
@@ -300,6 +305,7 @@ namespace osu.Game.Overlays.Mods
                                                 Text = "Customisation",
                                                 Action = () => ModSettingsContainer.ToggleVisibility(),
                                                 Enabled = { Value = false },
+                                                Alpha = AllowConfiguration ? 1 : 0,
                                                 Origin = Anchor.CentreLeft,
                                                 Anchor = Anchor.CentreLeft,
                                             },
@@ -509,7 +515,8 @@ namespace osu.Game.Overlays.Mods
 
                 OnModSelected(selectedMod);
 
-                if (selectedMod.RequiresConfiguration) ModSettingsContainer.Show();
+                if (selectedMod.RequiresConfiguration && AllowConfiguration)
+                    ModSettingsContainer.Show();
             }
             else
             {
diff --git a/osu.Game/Screens/OnlinePlay/FreeModSelectOverlay.cs b/osu.Game/Screens/OnlinePlay/FreeModSelectOverlay.cs
index 7bc226bb3f..ab7be13479 100644
--- a/osu.Game/Screens/OnlinePlay/FreeModSelectOverlay.cs
+++ b/osu.Game/Screens/OnlinePlay/FreeModSelectOverlay.cs
@@ -20,17 +20,18 @@ namespace osu.Game.Screens.OnlinePlay
     {
         protected override bool Stacked => false;
 
+        protected override bool AllowConfiguration => false;
+
         public new Func<Mod, bool> IsValidMod
         {
             get => base.IsValidMod;
-            set => base.IsValidMod = m => m.HasImplementation && !m.RequiresConfiguration && !(m is ModAutoplay) && value(m);
+            set => base.IsValidMod = m => m.HasImplementation && !(m is ModAutoplay) && value(m);
         }
 
         public FreeModSelectOverlay()
         {
             IsValidMod = m => true;
 
-            CustomiseButton.Alpha = 0;
             MultiplierSection.Alpha = 0;
             DeselectAllButton.Alpha = 0;
 
diff --git a/osu.Game/Screens/OnlinePlay/Multiplayer/MultiplayerMatchSongSelect.cs b/osu.Game/Screens/OnlinePlay/Multiplayer/MultiplayerMatchSongSelect.cs
index 84e8849726..f17d97c3fd 100644
--- a/osu.Game/Screens/OnlinePlay/Multiplayer/MultiplayerMatchSongSelect.cs
+++ b/osu.Game/Screens/OnlinePlay/Multiplayer/MultiplayerMatchSongSelect.cs
@@ -59,6 +59,6 @@ namespace osu.Game.Screens.OnlinePlay.Multiplayer
 
         protected override BeatmapDetailArea CreateBeatmapDetailArea() => new PlayBeatmapDetailArea();
 
-        protected override bool IsValidFreeMod(Mod mod) => base.IsValidFreeMod(mod) && !(mod is ModTimeRamp) && !(mod is ModRateAdjust) && !mod.RequiresConfiguration;
+        protected override bool IsValidFreeMod(Mod mod) => base.IsValidFreeMod(mod) && !(mod is ModTimeRamp) && !(mod is ModRateAdjust);
     }
 }
diff --git a/osu.Game/Screens/OnlinePlay/Multiplayer/MultiplayerMatchSubScreen.cs b/osu.Game/Screens/OnlinePlay/Multiplayer/MultiplayerMatchSubScreen.cs
index 5f2f1366f7..7edba3231c 100644
--- a/osu.Game/Screens/OnlinePlay/Multiplayer/MultiplayerMatchSubScreen.cs
+++ b/osu.Game/Screens/OnlinePlay/Multiplayer/MultiplayerMatchSubScreen.cs
@@ -12,6 +12,8 @@ using osu.Framework.Bindables;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Screens;
+using osu.Framework.Threading;
+using osu.Game.Configuration;
 using osu.Game.Online.Multiplayer;
 using osu.Game.Online.Rooms;
 using osu.Game.Overlays.Mods;
@@ -314,12 +316,27 @@ namespace osu.Game.Screens.OnlinePlay.Multiplayer
             }
         }
 
+        private ModSettingChangeTracker modSettingChangeTracker;
+        private ScheduledDelegate debouncedModSettingsUpdate;
+
         private void onUserModsChanged(ValueChangedEvent<IReadOnlyList<Mod>> mods)
         {
+            modSettingChangeTracker?.Dispose();
+
             if (client.Room == null)
                 return;
 
             client.ChangeUserMods(mods.NewValue);
+
+            modSettingChangeTracker = new ModSettingChangeTracker(mods.NewValue);
+            modSettingChangeTracker.SettingChanged += onModSettingsChanged;
+        }
+
+        private void onModSettingsChanged(Mod mod)
+        {
+            // Debounce changes to mod settings so as to not thrash the network.
+            debouncedModSettingsUpdate?.Cancel();
+            debouncedModSettingsUpdate = Scheduler.AddDelayed(() => client.ChangeUserMods(UserMods.Value), 500);
         }
 
         private void updateBeatmapAvailability(ValueChangedEvent<BeatmapAvailability> availability)
@@ -389,10 +406,6 @@ namespace osu.Game.Screens.OnlinePlay.Multiplayer
 
         private class UserModSelectOverlay : LocalPlayerModSelectOverlay
         {
-            public UserModSelectOverlay()
-            {
-                CustomiseButton.Alpha = 0;
-            }
         }
     }
 }