diff --git a/ProjectLighthouse.Servers.GameServer/Controllers/ActivityController.cs b/ProjectLighthouse.Servers.GameServer/Controllers/ActivityController.cs
index 69f38827..7fc867e2 100644
--- a/ProjectLighthouse.Servers.GameServer/Controllers/ActivityController.cs
+++ b/ProjectLighthouse.Servers.GameServer/Controllers/ActivityController.cs
@@ -283,11 +283,13 @@ public class ActivityController : ControllerBase
             foreach (IGrouping<InnerActivityGroup, ActivityDto> item in itemGroup)
             {
                 Logger.Debug(
-                    @$"  Inner group key: TargetId={item.Key.TargetId}, UserId={item.Key.UserId}, Type={item.Key.Type}", LogArea.Activity);
+                    @$"  Inner group key: TargetId={item.Key.TargetId}, UserId={item.Key.UserId}, Type={item.Key.Type}",
+                    LogArea.Activity);
                 foreach (ActivityDto activity in item)
                 {
                     Logger.Debug(
-                        @$"        Activity: {activity.GroupType}, Timestamp: {activity.Activity.Timestamp}, UserId: {activity.Activity.UserId}, EventType: {activity.Activity.Type}, TargetId: {activity.TargetId}", LogArea.Activity);
+                        @$"        Activity: {activity.GroupType}, Timestamp: {activity.Activity.Timestamp}, UserId: {activity.Activity.UserId}, EventType: {activity.Activity.Type}, TargetId: {activity.TargetId}",
+                        LogArea.Activity);
                 }
             }
         }
@@ -308,6 +310,14 @@ public class ActivityController : ControllerBase
         IQueryable<ActivityDto> activityQuery = this.database.Activities.ToActivityDto()
             .Where(a => a.Activity.Type != EventType.NewsPost && a.Activity.Type != EventType.MMPickLevel);
 
+        if (token.GameVersion != GameVersion.LittleBigPlanet3)
+        {
+            activityQuery = activityQuery.Where(a =>
+                a.Activity.Type != EventType.CreatePlaylist &&
+                a.Activity.Type != EventType.HeartPlaylist &&
+                a.Activity.Type != EventType.AddLevelToPlaylist);
+        }
+
         bool isLevelActivity = username == null;
 
         // Slot activity
@@ -346,6 +356,7 @@ public class ActivityController : ControllerBase
         return this.Ok(GameStream.CreateFromGroups(token,
             outerGroups,
             times.Start.ToUnixTimeMilliseconds(),
-            oldestTimestamp, isLevelActivity));
+            oldestTimestamp,
+            isLevelActivity));
     }
 }
\ No newline at end of file
diff --git a/ProjectLighthouse.Tests.GameApiTests/Unit/Controllers/ReviewControllerTests.cs b/ProjectLighthouse.Tests.GameApiTests/Unit/Controllers/ReviewControllerTests.cs
index 303b4f85..7e96e016 100644
--- a/ProjectLighthouse.Tests.GameApiTests/Unit/Controllers/ReviewControllerTests.cs
+++ b/ProjectLighthouse.Tests.GameApiTests/Unit/Controllers/ReviewControllerTests.cs
@@ -6,7 +6,7 @@ using LBPUnion.ProjectLighthouse.Servers.GameServer.Controllers.Slots;
 using LBPUnion.ProjectLighthouse.Tests.Helpers;
 using LBPUnion.ProjectLighthouse.Types.Entities.Level;
 using LBPUnion.ProjectLighthouse.Types.Entities.Token;
-using LBPUnion.ProjectLighthouse.Types.Serialization;
+using LBPUnion.ProjectLighthouse.Types.Serialization.Review;
 using LBPUnion.ProjectLighthouse.Types.Users;
 using Microsoft.AspNetCore.Mvc;
 using Xunit;
diff --git a/ProjectLighthouse/Types/Serialization/Activity/GameStream.cs b/ProjectLighthouse/Types/Serialization/Activity/GameStream.cs
index f2d2d7a2..f734b741 100644
--- a/ProjectLighthouse/Types/Serialization/Activity/GameStream.cs
+++ b/ProjectLighthouse/Types/Serialization/Activity/GameStream.cs
@@ -134,9 +134,10 @@ public class GameStream : ILbpSerializable, INeedsPreparationForSerialization
         gameStream.Groups = groups.Select(GameStreamGroup.CreateFromGroup).ToList();
 
         // Workaround for level activity because it shouldn't contain nested activity groups
-        if (gameStream.Groups.Count == 1 && groups.First().Key.GroupType == ActivityGroupType.Level && removeNesting)
+        if (gameStream.Groups.Count >= 1 && groups.All(g => g.Key.GroupType == ActivityGroupType.Level) && removeNesting)
         {
-            gameStream.Groups = gameStream.Groups.First().Groups;
+            // Flatten all inner groups into a single list
+            gameStream.Groups = gameStream.Groups.Select(g => g.Groups).SelectMany(g => g).ToList();
         }
 
         // Workaround to turn a single subgroup into the primary group for news and team picks