diff --git a/UndertaleModLib/Models/UndertaleFont.cs b/UndertaleModLib/Models/UndertaleFont.cs
index 73be58a73..c62ca7ca5 100644
--- a/UndertaleModLib/Models/UndertaleFont.cs
+++ b/UndertaleModLib/Models/UndertaleFont.cs
@@ -100,7 +100,7 @@ public class UndertaleFont : UndertaleNamedResource, IDisposable
     /// <summary>
     /// The glyphs that this font uses.
     /// </summary>
-    public UndertalePointerList<Glyph> Glyphs { get; private set; } = new UndertalePointerList<Glyph>();
+    public UndertalePointerList<Glyph> Glyphs { get; set; } = new UndertalePointerList<Glyph>();
 
     /// <summary>
     /// The maximum offset from the baseline to the top of the font
diff --git a/UndertaleModLib/Models/UndertaleGameObject.cs b/UndertaleModLib/Models/UndertaleGameObject.cs
index 34940aee4..a94028af0 100644
--- a/UndertaleModLib/Models/UndertaleGameObject.cs
+++ b/UndertaleModLib/Models/UndertaleGameObject.cs
@@ -139,14 +139,14 @@ public class UndertaleGameObject : UndertaleNamedResource, INotifyPropertyChange
     /// <summary>
     /// The vertices used for a <see cref="CollisionShape"/> of type <see cref="CollisionShapeFlags.Custom"/>.
     /// </summary>
-    public List<UndertalePhysicsVertex> PhysicsVertices { get; private set; } = new List<UndertalePhysicsVertex>();
+    public List<UndertalePhysicsVertex> PhysicsVertices { get; set; } = new List<UndertalePhysicsVertex>();
 
     #endregion
 
     /// <summary>
     /// All the events that this game object has.
     /// </summary>
-    public UndertalePointerList<UndertalePointerList<Event>> Events { get; private set; } = new();
+    public UndertalePointerList<UndertalePointerList<Event>> Events { get; set; } = new();
 
     /// <inheritdoc />
     public event PropertyChangedEventHandler PropertyChanged;
@@ -432,7 +432,7 @@ public class Event : UndertaleObject, IDisposable
         /// The available actions that will be performed for this event.
         /// </summary>
         /// <remarks>This seems to always have 1 entry, it would need testing if maybe the games using drag-and-drop code are different</remarks>
-        public UndertalePointerList<EventAction> Actions { get; private set; } = new UndertalePointerList<EventAction>();
+        public UndertalePointerList<EventAction> Actions { get; set; } = new UndertalePointerList<EventAction>();
 
         //TODO: not used, condense. Also UMT specific.
         public EventSubtypeKey EventSubtypeKey
diff --git a/UndertaleModLib/Models/UndertaleGeneralInfo.cs b/UndertaleModLib/Models/UndertaleGeneralInfo.cs
index 107e568fb..770657f1f 100644
--- a/UndertaleModLib/Models/UndertaleGeneralInfo.cs
+++ b/UndertaleModLib/Models/UndertaleGeneralInfo.cs
@@ -282,7 +282,7 @@ public enum FunctionClassification : ulong
     /// <summary>
     /// The room order of the data file.
     /// </summary>
-    public UndertaleSimpleResourcesList<UndertaleRoom, UndertaleChunkROOM> RoomOrder { get; private set; } = new();
+    public UndertaleSimpleResourcesList<UndertaleRoom, UndertaleChunkROOM> RoomOrder { get; set; } = new();
 
     /// <summary>
     /// TODO: unknown, some sort of checksum.
@@ -768,7 +768,7 @@ public enum OptionsFlags : ulong
     /// <summary>
     /// A list of Constants that the game uses.
     /// </summary>
-    public UndertaleSimpleList<Constant> Constants { get; private set; } = new UndertaleSimpleList<Constant>();
+    public UndertaleSimpleList<Constant> Constants { get; set; } = new UndertaleSimpleList<Constant>();
 
     //TODO: not shown in GUI right now!!!
     public bool NewFormat { get; set; } = true;
diff --git a/UndertaleModLib/Models/UndertaleParticleSystem.cs b/UndertaleModLib/Models/UndertaleParticleSystem.cs
index 393f0435f..f82b27051 100644
--- a/UndertaleModLib/Models/UndertaleParticleSystem.cs
+++ b/UndertaleModLib/Models/UndertaleParticleSystem.cs
@@ -15,7 +15,7 @@ public class UndertaleParticleSystem : UndertaleNamedResource, IDisposable
 
     public int DrawOrder { get; set; }
 
-    public UndertaleSimpleResourcesList<UndertaleParticleSystemEmitter, UndertaleChunkPSEM> Emitters { get; private set; } = new();
+    public UndertaleSimpleResourcesList<UndertaleParticleSystemEmitter, UndertaleChunkPSEM> Emitters { get; set; } = new();
 
     /// <inheritdoc />
     public void Serialize(UndertaleWriter writer)
diff --git a/UndertaleModLib/Models/UndertalePath.cs b/UndertaleModLib/Models/UndertalePath.cs
index 98c63ba7e..589fbd9ae 100644
--- a/UndertaleModLib/Models/UndertalePath.cs
+++ b/UndertaleModLib/Models/UndertalePath.cs
@@ -33,7 +33,7 @@ public class UndertalePath : UndertaleNamedResource, IDisposable
     /// <summary>
     /// The amount of <see cref="PathPoint"/>s this <see cref="UndertalePath"/> has.
     /// </summary>
-    public UndertaleSimpleList<PathPoint> Points { get; private set; } = new UndertaleSimpleList<PathPoint>();
+    public UndertaleSimpleList<PathPoint> Points { get; set; } = new UndertaleSimpleList<PathPoint>();
 
     /// <summary>
     /// A point in a <see cref="UndertalePath"/>.
diff --git a/UndertaleModLib/Models/UndertaleRoom.cs b/UndertaleModLib/Models/UndertaleRoom.cs
index 1a6af6958..b08af156f 100644
--- a/UndertaleModLib/Models/UndertaleRoom.cs
+++ b/UndertaleModLib/Models/UndertaleRoom.cs
@@ -139,32 +139,32 @@ public enum RoomEntryFlags : uint
     /// <summary>
     /// The list of backgrounds this room uses.
     /// </summary>
-    public UndertalePointerList<Background> Backgrounds { get; private set; } = new UndertalePointerList<Background>();
+    public UndertalePointerList<Background> Backgrounds { get; set; } = new UndertalePointerList<Background>();
 
     /// <summary>
     /// The list of views this room uses.
     /// </summary>
-    public UndertalePointerList<View> Views { get; private set; } = new UndertalePointerList<View>();
+    public UndertalePointerList<View> Views { get; set; } = new UndertalePointerList<View>();
 
     /// <summary>
     /// The list of game objects this room uses.
     /// </summary>
-    public UndertalePointerList<GameObject> GameObjects { get; private set; } = new UndertalePointerList<GameObject>();
+    public UndertalePointerList<GameObject> GameObjects { get; set; } = new UndertalePointerList<GameObject>();
 
     /// <summary>
     /// The list of tiles this room uses.
     /// </summary>
-    public UndertalePointerList<Tile> Tiles { get; private set; } = new UndertalePointerList<Tile>();
+    public UndertalePointerList<Tile> Tiles { get; set; } = new UndertalePointerList<Tile>();
 
     /// <summary>
     /// The list of layers this room uses. Used in Game Maker Studio: 2 only, as <see cref="Backgrounds"/> and <see cref="Tiles"/> are empty there.
     /// </summary>
-    public UndertalePointerList<Layer> Layers { get => _layers; private set { _layers = value; UpdateBGColorLayer(); OnPropertyChanged(); } }
+    public UndertalePointerList<Layer> Layers { get => _layers; set { _layers = value; UpdateBGColorLayer(); OnPropertyChanged(); } }
 
     /// <summary>
     /// The list of sequences this room uses.
     /// </summary>
-    public UndertaleSimpleList<UndertaleResourceById<UndertaleSequence, UndertaleChunkSEQN>> Sequences { get; private set; } = new UndertaleSimpleList<UndertaleResourceById<UndertaleSequence, UndertaleChunkSEQN>>();
+    public UndertaleSimpleList<UndertaleResourceById<UndertaleSequence, UndertaleChunkSEQN>> Sequences { get; set; } = new UndertaleSimpleList<UndertaleResourceById<UndertaleSequence, UndertaleChunkSEQN>>();
 
     public static bool CheckedForGMS2_2_2_302;
 
@@ -1583,8 +1583,8 @@ public void Dispose()
 
         public class LayerInstancesData : LayerData
         {
-            internal uint[] InstanceIds { get; private set; } // 100000, 100001, 100002, 100003 - instance ids from GameObjects list in the room
-            public ObservableCollection<GameObject> Instances { get; private set; } = new();
+            internal uint[] InstanceIds { get; set; } // 100000, 100001, 100002, 100003 - instance ids from GameObjects list in the room
+            public ObservableCollection<GameObject> Instances { get; set; } = new();
 
             public bool AreInstancesUnresolved()
             {
diff --git a/UndertaleModLib/Models/UndertaleSprite.cs b/UndertaleModLib/Models/UndertaleSprite.cs
index bcad338d2..4a1ea264d 100644
--- a/UndertaleModLib/Models/UndertaleSprite.cs
+++ b/UndertaleModLib/Models/UndertaleSprite.cs
@@ -193,12 +193,12 @@ public int OriginYWrapper
     /// <summary>
     /// The frames of the sprite.
     /// </summary>
-    public UndertaleSimpleList<TextureEntry> Textures { get; private set; } = new UndertaleSimpleList<TextureEntry>();
+    public UndertaleSimpleList<TextureEntry> Textures { get; set; } = new UndertaleSimpleList<TextureEntry>();
 
     /// <summary>
     /// The collision masks of the sprite.
     /// </summary>
-    public ObservableCollection<MaskEntry> CollisionMasks { get; private set; } = new ObservableCollection<MaskEntry>();
+    public ObservableCollection<MaskEntry> CollisionMasks { get; set; } = new ObservableCollection<MaskEntry>();
 
     // Special sprite types (always used in GMS2)
     public uint SVersion { get; set; } = 1;