diff --git a/PckStudio.Core/GameRule/AbstractGameRule.cs b/PckStudio.Core/GameRule/AbstractGameRule.cs
new file mode 100644
index 00000000..d36ff6fa
--- /dev/null
+++ b/PckStudio.Core/GameRule/AbstractGameRule.cs
@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using OMI.Formats.GameRule;
+
+namespace PckStudio.Core.GameRule
+{
+    internal abstract class AbstractGameRule
+    {
+        private List<AbstractGameRule> _gameRules = new List<AbstractGameRule>();
+        protected void AddRule(AbstractGameRule gameRule) => _gameRules.Add(gameRule);
+
+        protected abstract GameRuleFile.GameRule GetGameRule();
+        public static implicit operator GameRuleFile.GameRule(AbstractGameRule abstractGameRule)
+        {
+            GameRuleFile.GameRule gameRule = abstractGameRule.GetGameRule();
+            gameRule.AddRules(abstractGameRule._gameRules.Select(agr => agr.GetGameRule()));
+            return gameRule;
+        }
+    }
+}
diff --git a/PckStudio.Core/GameRule/DistributeItems.cs b/PckStudio.Core/GameRule/DistributeItems.cs
new file mode 100644
index 00000000..189e837c
--- /dev/null
+++ b/PckStudio.Core/GameRule/DistributeItems.cs
@@ -0,0 +1,41 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using OMI.Formats.GameRule;
+
+namespace PckStudio.Core.GameRule
+{
+    internal sealed class DistributeItems : AbstractGameRule
+    {
+        private static string[] _strings =
+        {
+            "StartItems",
+            "OuterItems",
+            "HVItems"
+        };
+
+        internal enum DistributeItemsId
+        {
+            StartItems,
+            OuterItems,
+            HighValueItems
+        }
+        private DistributeItemsId _id;
+
+        internal void AddPosition(int x, int y, int z) => AddRule(new WorldPosition(x, y, z));
+
+        public DistributeItems(DistributeItemsId id)
+        {
+            _id = id;
+        }
+
+        protected override GameRuleFile.GameRule GetGameRule()
+        {
+            var gameRule = new GameRuleFile.GameRule("DistributeItems");
+            gameRule.AddParameter(new GameRuleFile.GameRuleParameter("id", _strings[(int)_id]));
+            return gameRule;
+        }
+    }
+}
diff --git a/PckStudio.Core/GameRule/NamedArea.cs b/PckStudio.Core/GameRule/NamedArea.cs
new file mode 100644
index 00000000..cfdb6d3e
--- /dev/null
+++ b/PckStudio.Core/GameRule/NamedArea.cs
@@ -0,0 +1,40 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Numerics;
+using System.Text;
+using System.Threading.Tasks;
+using OMI.Formats.GameRule;
+
+namespace PckStudio.Core.GameRule
+{
+    internal sealed class NamedArea : AbstractGameRule
+    {
+        public string Name { get; }
+
+        public Vector3 Start { get; }
+        public Vector3 End { get; }
+
+        public NamedArea(string name, Vector3 start, Vector3 end)
+        {
+            Name = name;
+            Start = start;
+            End = end;
+        }
+
+        protected override GameRuleFile.GameRule GetGameRule()
+        {
+            GameRuleFile.GameRule gameRule = new GameRuleFile.GameRule("NamedArea", null);
+            gameRule.AddParameters(
+                new GameRuleFile.GameRuleParameter("name", Name),
+                new GameRuleFile.IntParameter("x0", (int)Start.X),
+                new GameRuleFile.IntParameter("y0", (int)Start.Y),
+                new GameRuleFile.IntParameter("z0", (int)Start.Z),
+                new GameRuleFile.IntParameter("x1", (int)End.X),
+                new GameRuleFile.IntParameter("y1", (int)End.Y),
+                new GameRuleFile.IntParameter("z1", (int)End.Z)
+                );
+            return gameRule;
+        }
+    }
+}
diff --git a/PckStudio.Core/GameRule/OnGameStartSpawnPositions.cs b/PckStudio.Core/GameRule/OnGameStartSpawnPositions.cs
new file mode 100644
index 00000000..cf66e3a0
--- /dev/null
+++ b/PckStudio.Core/GameRule/OnGameStartSpawnPositions.cs
@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Security.Cryptography;
+using System.Text;
+using System.Threading.Tasks;
+using OMI.Formats.GameRule;
+
+namespace PckStudio.Core.GameRule
+{
+    internal sealed class OnGameStartSpawnPositions : AbstractGameRule
+    {
+        public SpawnPositionSet OnStart { get; } = new SpawnPositionSet(SpawnPositionSet.SpanPositionMethod.OnStart);
+        public SpawnPositionSet OnRespawn { get; } = new SpawnPositionSet(SpawnPositionSet.SpanPositionMethod.OnRespawn);
+
+        protected override GameRuleFile.GameRule GetGameRule()
+        {
+            AddRule(OnStart);
+            AddRule(OnRespawn);
+            return new GameRuleFile.GameRule("OnGameStartSpawnPositions");
+        }
+    }
+}
diff --git a/PckStudio.Core/GameRule/OnInitialiseWorld.cs b/PckStudio.Core/GameRule/OnInitialiseWorld.cs
new file mode 100644
index 00000000..ef36e45d
--- /dev/null
+++ b/PckStudio.Core/GameRule/OnInitialiseWorld.cs
@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using OMI.Formats.GameRule;
+
+namespace PckStudio.Core.GameRule
+{
+    internal sealed class OnInitialiseWorld : AbstractGameRule
+    {
+        public DistributeItems StartItems { get; } = new DistributeItems(DistributeItems.DistributeItemsId.StartItems);
+        public DistributeItems OuterItems { get; } = new DistributeItems(DistributeItems.DistributeItemsId.OuterItems);
+        public DistributeItems HighValueItems { get; } = new DistributeItems(DistributeItems.DistributeItemsId.HighValueItems);
+
+        protected override GameRuleFile.GameRule GetGameRule()
+        {
+            AddRule(StartItems);
+            AddRule(OuterItems);
+            AddRule(HighValueItems);
+            return new GameRuleFile.GameRule("OnInitialiseWorld");
+        }
+    }
+}
diff --git a/PckStudio.Core/GameRule/SpawnPositionSet.cs b/PckStudio.Core/GameRule/SpawnPositionSet.cs
new file mode 100644
index 00000000..31c4c86c
--- /dev/null
+++ b/PckStudio.Core/GameRule/SpawnPositionSet.cs
@@ -0,0 +1,31 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Numerics;
+using System.Text;
+using System.Threading.Tasks;
+using OMI.Formats.GameRule;
+
+namespace PckStudio.Core.GameRule
+{
+    internal sealed class SpawnPositionSet : AbstractGameRule
+    {
+        internal enum SpanPositionMethod
+        {
+            OnStart,
+            OnRespawn
+        }
+        private SpanPositionMethod _method;
+
+        internal SpawnPositionSet(SpanPositionMethod method) => _method = method;
+
+        public void AddSpawnPosition(int x, int y, int z, int xRot, int yRot) => AddRule(new UpdatePlayer(new Vector3(x, y, z), new Vector2(xRot, yRot)));
+
+        protected override GameRuleFile.GameRule GetGameRule()
+        {
+            var gameRule = new GameRuleFile.GameRule("SpawnPositionSet");
+            gameRule.AddParameter(new GameRuleFile.IntParameter("method", (int)_method));
+            return gameRule;
+        }
+    }
+}
diff --git a/PckStudio.Core/GameRule/UpdatePlayer.cs b/PckStudio.Core/GameRule/UpdatePlayer.cs
new file mode 100644
index 00000000..c6dd59dc
--- /dev/null
+++ b/PckStudio.Core/GameRule/UpdatePlayer.cs
@@ -0,0 +1,35 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Numerics;
+using System.Text;
+using System.Threading.Tasks;
+using OMI.Formats.GameRule;
+
+namespace PckStudio.Core.GameRule
+{
+    internal sealed class UpdatePlayer : AbstractGameRule
+    {
+        private Vector3 _spawn;
+        private Vector2 _rot;
+
+        public UpdatePlayer(Vector3 spawn, Vector2 rot)
+        {
+            _spawn = spawn;
+            _rot = rot;
+        }
+
+        protected override GameRuleFile.GameRule GetGameRule()
+        {
+            var gameRule = new GameRuleFile.GameRule("UpdatePlayer");
+            gameRule.AddParameters(
+                new GameRuleFile.IntParameter("x", (int)_spawn.X),
+                new GameRuleFile.IntParameter("y", (int)_spawn.Y),
+                new GameRuleFile.IntParameter("z", (int)_spawn.Z),
+                new GameRuleFile.IntParameter("xRot", (int)_rot.X),
+                new GameRuleFile.IntParameter("yRot", (int)_rot.Y)
+                );
+            return gameRule;
+        }
+    }
+}
diff --git a/PckStudio.Core/GameRule/WorldPosition.cs b/PckStudio.Core/GameRule/WorldPosition.cs
new file mode 100644
index 00000000..10014e21
--- /dev/null
+++ b/PckStudio.Core/GameRule/WorldPosition.cs
@@ -0,0 +1,26 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Numerics;
+using System.Text;
+using System.Threading.Tasks;
+using OMI.Formats.GameRule;
+
+namespace PckStudio.Core.GameRule
+{
+    internal sealed class WorldPosition(int x, int y, int z) : AbstractGameRule
+    {
+        private Vector3 _pos = new Vector3(x, y, z);
+        
+        protected override GameRuleFile.GameRule GetGameRule()
+        {
+            var gameRule = new GameRuleFile.GameRule("WorldPosition");
+            gameRule.AddParameters(
+                new GameRuleFile.IntParameter("x", (int)_pos.X),
+                new GameRuleFile.IntParameter("y", (int)_pos.Y),
+                new GameRuleFile.IntParameter("z", (int)_pos.Z)
+                );
+            return gameRule;
+        }
+    }
+}
diff --git a/PckStudio.Core/PckStudio.Core.csproj b/PckStudio.Core/PckStudio.Core.csproj
index 75089f38..00d514ea 100644
--- a/PckStudio.Core/PckStudio.Core.csproj
+++ b/PckStudio.Core/PckStudio.Core.csproj
@@ -99,6 +99,14 @@
     <Compile Include="FileDialogFilter.cs" />
     <Compile Include="FileFormats\PckAudioFile.cs" />
     <Compile Include="GameConstants.cs" />
+    <Compile Include="GameRule\AbstractGameRule.cs" />
+    <Compile Include="GameRule\DistributeItems.cs" />
+    <Compile Include="GameRule\NamedArea.cs" />
+    <Compile Include="GameRule\OnGameStartSpawnPositions.cs" />
+    <Compile Include="GameRule\OnInitialiseWorld.cs" />
+    <Compile Include="GameRule\SpawnPositionSet.cs" />
+    <Compile Include="GameRule\UpdatePlayer.cs" />
+    <Compile Include="GameRule\WorldPosition.cs" />
     <Compile Include="Interfaces\IDLCPackage.cs" />
     <Compile Include="Interfaces\IDLCPackageLocationInfo.cs" />
     <Compile Include="Interfaces\IEditor.cs" />