diff --git a/src/Builtin/BaseRunners.cs b/src/Builtin/BaseRunners.cs
index 9f2168b..b01b49d 100644
--- a/src/Builtin/BaseRunners.cs
+++ b/src/Builtin/BaseRunners.cs
@@ -21,121 +21,128 @@ namespace DCFApixels.DragonECS
 
     public interface IEcsBaseSystem : IEcsInitSystem, IEcsRunSystem, IEcsDestroySystem { }
 
-    public sealed class EcsPreInitRunner : EcsRunner<IEcsPreInitSystem>, IEcsPreInitSystem
+    namespace Internal
     {
-#if DEBUG && !DISABLE_DEBUG
-        private EcsProfilerMarker[] _markers;
-#endif
-        public void PreInit(EcsPipeline pipeline)
+        [DebugColor(DebugColor.Orange)]
+        public sealed class EcsPreInitRunner : EcsRunner<IEcsPreInitSystem>, IEcsPreInitSystem
         {
 #if DEBUG && !DISABLE_DEBUG
-            for (int i = 0; i < targets.Length && targets.Length <= _markers.Length; i++)
+            private EcsProfilerMarker[] _markers;
+#endif
+            public void PreInit(EcsPipeline pipeline)
             {
-                using (_markers[i].Auto())
-                    targets[i].PreInit(pipeline);
-            }
+#if DEBUG && !DISABLE_DEBUG
+                for (int i = 0; i < targets.Length && targets.Length <= _markers.Length; i++)
+                {
+                    using (_markers[i].Auto())
+                        targets[i].PreInit(pipeline);
+                }
 #else
             foreach (var item in targets) item.PreInit(pipeline);
 #endif
-        }
+            }
 
 #if DEBUG && !DISABLE_DEBUG
-        protected override void OnSetup()
-        {
-            _markers = new EcsProfilerMarker[targets.Length];
-            for (int i = 0; i < targets.Length; i++)
+            protected override void OnSetup()
             {
-                _markers[i] = new EcsProfilerMarker(EcsDebug.RegisterMark($"EcsRunner.{targets[i].GetType().Name}.{nameof(PreInit)}"));
+                _markers = new EcsProfilerMarker[targets.Length];
+                for (int i = 0; i < targets.Length; i++)
+                {
+                    _markers[i] = new EcsProfilerMarker(EcsDebug.RegisterMark($"EcsRunner.{targets[i].GetType().Name}.{nameof(PreInit)}"));
+                }
             }
+#endif
         }
-#endif
-    }
-    public sealed class EcsInitRunner : EcsRunner<IEcsInitSystem>, IEcsInitSystem
-    {
-#if DEBUG && !DISABLE_DEBUG
-        private EcsProfilerMarker[] _markers;
-#endif
-        public void Init(EcsPipeline pipeline)
+        [DebugColor(DebugColor.Orange)]
+        public sealed class EcsInitRunner : EcsRunner<IEcsInitSystem>, IEcsInitSystem
         {
 #if DEBUG && !DISABLE_DEBUG
-            for (int i = 0; i < targets.Length && targets.Length <= _markers.Length; i++)
+            private EcsProfilerMarker[] _markers;
+#endif
+            public void Init(EcsPipeline pipeline)
             {
-                using (_markers[i].Auto())
-                    targets[i].Init(pipeline);
-            }
+#if DEBUG && !DISABLE_DEBUG
+                for (int i = 0; i < targets.Length && targets.Length <= _markers.Length; i++)
+                {
+                    using (_markers[i].Auto())
+                        targets[i].Init(pipeline);
+                }
 #else
             foreach (var item in targets) item.Init(pipeline);
 #endif
-        }
+            }
 
 #if DEBUG && !DISABLE_DEBUG
-        protected override void OnSetup()
-        {
-            _markers = new EcsProfilerMarker[targets.Length];
-            for (int i = 0; i < targets.Length; i++)
+            protected override void OnSetup()
             {
-                _markers[i] = new EcsProfilerMarker(EcsDebug.RegisterMark($"EcsRunner.{targets[i].GetType().Name}.{nameof(Init)}"));
+                _markers = new EcsProfilerMarker[targets.Length];
+                for (int i = 0; i < targets.Length; i++)
+                {
+                    _markers[i] = new EcsProfilerMarker(EcsDebug.RegisterMark($"EcsRunner.{targets[i].GetType().Name}.{nameof(Init)}"));
+                }
             }
+#endif
         }
-#endif
-    }
-    public sealed class EcsRunRunner : EcsRunner<IEcsRunSystem>, IEcsRunSystem
-    {
-#if DEBUG && !DISABLE_DEBUG
-        private EcsProfilerMarker[] _markers;
-#endif
-        public void Run(EcsPipeline pipeline)
+        [DebugColor(DebugColor.Orange)]
+        public sealed class EcsRunRunner : EcsRunner<IEcsRunSystem>, IEcsRunSystem
         {
 #if DEBUG && !DISABLE_DEBUG
-            for (int i = 0; i < targets.Length && targets.Length <= _markers.Length; i++)
+            private EcsProfilerMarker[] _markers;
+#endif
+            public void Run(EcsPipeline pipeline)
             {
-                using (_markers[i].Auto())
-                    targets[i].Run(pipeline);
+#if DEBUG && !DISABLE_DEBUG
+                for (int i = 0; i < targets.Length && targets.Length <= _markers.Length; i++)
+                {
+                    using (_markers[i].Auto())
+                        targets[i].Run(pipeline);
 
-            }
+                }
 #else
             foreach (var item in targets) item.Run(pipeline);
 #endif
-        }
+            }
 
 #if DEBUG && !DISABLE_DEBUG
-        protected override void OnSetup()
-        {
-            _markers = new EcsProfilerMarker[targets.Length];
-            for (int i = 0; i < targets.Length; i++)
+            protected override void OnSetup()
             {
-                _markers[i] = new EcsProfilerMarker(EcsDebug.RegisterMark($"EcsRunner.{targets[i].GetType().Name}.{nameof(Run)}"));
+                _markers = new EcsProfilerMarker[targets.Length];
+                for (int i = 0; i < targets.Length; i++)
+                {
+                    _markers[i] = new EcsProfilerMarker(EcsDebug.RegisterMark($"EcsRunner.{targets[i].GetType().Name}.{nameof(Run)}"));
+                }
             }
+#endif
         }
-#endif
-    }
-    public sealed class EcsDestroyRunner : EcsRunner<IEcsDestroySystem>, IEcsDestroySystem
-    {
-#if DEBUG && !DISABLE_DEBUG
-        private EcsProfilerMarker[] _markers;
-#endif
-        public void Destroy(EcsPipeline pipeline)
+        [DebugColor(DebugColor.Orange)]
+        public sealed class EcsDestroyRunner : EcsRunner<IEcsDestroySystem>, IEcsDestroySystem
         {
 #if DEBUG && !DISABLE_DEBUG
-            for (int i = 0; i < targets.Length && targets.Length <= _markers.Length; i++)
+            private EcsProfilerMarker[] _markers;
+#endif
+            public void Destroy(EcsPipeline pipeline)
             {
-                using (_markers[i].Auto())
-                    targets[i].Destroy(pipeline);
-            }
+#if DEBUG && !DISABLE_DEBUG
+                for (int i = 0; i < targets.Length && targets.Length <= _markers.Length; i++)
+                {
+                    using (_markers[i].Auto())
+                        targets[i].Destroy(pipeline);
+                }
 #else
             foreach (var item in targets) item.Destroy(pipeline);
 #endif
-        }
+            }
 
 #if DEBUG && !DISABLE_DEBUG
-        protected override void OnSetup()
-        {
-            _markers = new EcsProfilerMarker[targets.Length];
-            for (int i = 0; i < targets.Length; i++)
+            protected override void OnSetup()
             {
-                _markers[i] = new EcsProfilerMarker(EcsDebug.RegisterMark($"EcsRunner.{targets[i].GetType().Name}.{nameof(Destroy)}"));
+                _markers = new EcsProfilerMarker[targets.Length];
+                for (int i = 0; i < targets.Length; i++)
+                {
+                    _markers[i] = new EcsProfilerMarker(EcsDebug.RegisterMark($"EcsRunner.{targets[i].GetType().Name}.{nameof(Destroy)}"));
+                }
             }
-        }
 #endif
+        }
     }
 }
diff --git a/src/Builtin/InjectSystem.cs b/src/Builtin/InjectSystem.cs
index 99f9656..b547f58 100644
--- a/src/Builtin/InjectSystem.cs
+++ b/src/Builtin/InjectSystem.cs
@@ -39,52 +39,52 @@ namespace DCFApixels.DragonECS
     {
         public void PreInject(object obj);
     }
-    [DebugHide, DebugColor(DebugColor.Gray)]
-    public sealed class PreInjectRunner : EcsRunner<IEcsPreInject>, IEcsPreInject
-    {
-        void IEcsPreInject.PreInject(object obj)
-        {
-            foreach (var item in targets) item.PreInject(obj);
-        }
-    }
-
     public interface IEcsInject<T> : IEcsSystem
     {
         public void Inject(T obj);
     }
-
-    [DebugHide, DebugColor(DebugColor.Gray)]
-    public sealed class InjectRunner<T> : EcsRunner<IEcsInject<T>>, IEcsInject<T>
-    {
-        private IEcsPreInject _preInjectchache;
-        void IEcsInject<T>.Inject(T obj)
-        {
-            _preInjectchache.PreInject(obj);
-            foreach (var item in targets) item.Inject(obj);
-        }
-
-        protected override void OnSetup()
-        {
-            _preInjectchache = Source.GetRunner<IEcsPreInject>();
-        }
-    }
-
     public interface IEcsPreInitInjectCallbacks : IEcsSystem
     {
         public void OnPreInitInjectionBefore();
         public void OnPreInitInjectionAfter();
     }
 
-    [DebugHide, DebugColor(DebugColor.Gray)]
-    public sealed class InjectCallbacksRunner : EcsRunner<IEcsPreInitInjectCallbacks>, IEcsPreInitInjectCallbacks
+    namespace Internal
     {
-        public void OnPreInitInjectionAfter()
+        [DebugHide, DebugColor(DebugColor.Gray)]
+        public sealed class PreInjectRunner : EcsRunner<IEcsPreInject>, IEcsPreInject
         {
-            foreach (var item in targets) item.OnPreInitInjectionAfter();
+            void IEcsPreInject.PreInject(object obj)
+            {
+                foreach (var item in targets) item.PreInject(obj);
+            }
         }
-        public void OnPreInitInjectionBefore()
+        [DebugHide, DebugColor(DebugColor.Gray)]
+        public sealed class InjectRunner<T> : EcsRunner<IEcsInject<T>>, IEcsInject<T>
         {
-            foreach (var item in targets) item.OnPreInitInjectionBefore();
+            private IEcsPreInject _preInjectchache;
+            void IEcsInject<T>.Inject(T obj)
+            {
+                _preInjectchache.PreInject(obj);
+                foreach (var item in targets) item.Inject(obj);
+            }
+
+            protected override void OnSetup()
+            {
+                _preInjectchache = Source.GetRunner<IEcsPreInject>();
+            }
+        }
+        [DebugHide, DebugColor(DebugColor.Gray)]
+        public sealed class InjectCallbacksRunner : EcsRunner<IEcsPreInitInjectCallbacks>, IEcsPreInitInjectCallbacks
+        {
+            public void OnPreInitInjectionAfter()
+            {
+                foreach (var item in targets) item.OnPreInitInjectionAfter();
+            }
+            public void OnPreInitInjectionBefore()
+            {
+                foreach (var item in targets) item.OnPreInitInjectionBefore();
+            }
         }
     }
 
diff --git a/src/Builtin/WorldRunners.cs b/src/Builtin/WorldRunners.cs
index 72d66c8..57136c2 100644
--- a/src/Builtin/WorldRunners.cs
+++ b/src/Builtin/WorldRunners.cs
@@ -15,28 +15,34 @@ namespace DCFApixels.DragonECS
         public void OnComponentDel<T>(int entityID);
     }
     public interface IEcsComponentLifecycle : IEcsComponentAdd, IEcsComponentWrite, IEcsComponentDel { }
-    public sealed class EcsEntityAddComponentRunner : EcsRunner<IEcsComponentAdd>, IEcsComponentAdd
-    {
-        public void OnComponentAdd<T>(int entityID)
-        {
-            foreach (var item in targets) item.OnComponentAdd<T>(entityID);
-        }
-    }
-    public sealed class EcsEntityChangeComponentRunner : EcsRunner<IEcsComponentWrite>, IEcsComponentWrite
-    {
-        public void OnComponentWrite<T>(int entityID)
-        {
-            foreach (var item in targets) item.OnComponentWrite<T>(entityID);
-        }
-    }
-    public sealed class EcsEntityDelComponentRunner : EcsRunner<IEcsComponentDel>, IEcsComponentDel
-    {
-        public void OnComponentDel<T>(int entityID)
-        {
-            foreach (var item in targets) item.OnComponentDel<T>(entityID);
-        }
-    }
 
+    namespace Internal
+    {
+        [DebugColor(DebugColor.Orange)]
+        public sealed class EcsEntityAddComponentRunner : EcsRunner<IEcsComponentAdd>, IEcsComponentAdd
+        {
+            public void OnComponentAdd<T>(int entityID)
+            {
+                foreach (var item in targets) item.OnComponentAdd<T>(entityID);
+            }
+        }
+        [DebugColor(DebugColor.Orange)]
+        public sealed class EcsEntityChangeComponentRunner : EcsRunner<IEcsComponentWrite>, IEcsComponentWrite
+        {
+            public void OnComponentWrite<T>(int entityID)
+            {
+                foreach (var item in targets) item.OnComponentWrite<T>(entityID);
+            }
+        }
+        [DebugColor(DebugColor.Orange)]
+        public sealed class EcsEntityDelComponentRunner : EcsRunner<IEcsComponentDel>, IEcsComponentDel
+        {
+            public void OnComponentDel<T>(int entityID)
+            {
+                foreach (var item in targets) item.OnComponentDel<T>(entityID);
+            }
+        }
+    }
 
     public interface IEcsEntityCreate : IEcsSystem
     {
@@ -47,21 +53,26 @@ namespace DCFApixels.DragonECS
         public void OnEntityDestroy(EcsEntity entity);
     }
     public interface IEcsEntityLifecycle : IEcsEntityCreate, IEcsEntityDestroy { }
-    public sealed class EcsEntityCreateRunner : EcsRunner<IEcsEntityCreate>, IEcsEntityCreate
-    {
-        public void OnEntityCreate(EcsEntity entity)
-        {
-            foreach (var item in targets) item.OnEntityCreate(entity);
-        }
-    }
-    public sealed class EcsEntityDestroyRunner : EcsRunner<IEcsEntityDestroy>, IEcsEntityDestroy
-    {
-        public void OnEntityDestroy(EcsEntity entity)
-        {
-            foreach (var item in targets) item.OnEntityDestroy(entity);
-        }
-    }
 
+    namespace Internal
+    {
+        [DebugColor(DebugColor.Orange)]
+        public sealed class EcsEntityCreateRunner : EcsRunner<IEcsEntityCreate>, IEcsEntityCreate
+        {
+            public void OnEntityCreate(EcsEntity entity)
+            {
+                foreach (var item in targets) item.OnEntityCreate(entity);
+            }
+        }
+        [DebugColor(DebugColor.Orange)]
+        public sealed class EcsEntityDestroyRunner : EcsRunner<IEcsEntityDestroy>, IEcsEntityDestroy
+        {
+            public void OnEntityDestroy(EcsEntity entity)
+            {
+                foreach (var item in targets) item.OnEntityDestroy(entity);
+            }
+        }
+    }
 
     public interface IEcsWorldCreate : IEcsSystem
     {
@@ -72,18 +83,24 @@ namespace DCFApixels.DragonECS
         public void OnWorldDestroy(EcsWorld world);
     }
     public interface IEcsWorldLifecycle : IEcsWorldCreate, IEcsWorldDestroy { }
-    public sealed class EcsWorldCreateRunner : EcsRunner<IEcsWorldCreate>, IEcsWorldCreate
+
+    namespace Internal
     {
-        public void OnWorldCreate(EcsWorld world)
+        [DebugColor(DebugColor.Orange)]
+        public sealed class EcsWorldCreateRunner : EcsRunner<IEcsWorldCreate>, IEcsWorldCreate
         {
-            foreach (var item in targets) item.OnWorldCreate(world);
+            public void OnWorldCreate(EcsWorld world)
+            {
+                foreach (var item in targets) item.OnWorldCreate(world);
+            }
         }
-    }
-    public sealed class EcsWorldDestryRunner : EcsRunner<IEcsWorldDestroy>, IEcsWorldDestroy
-    {
-        public void OnWorldDestroy(EcsWorld world)
+        [DebugColor(DebugColor.Orange)]
+        public sealed class EcsWorldDestryRunner : EcsRunner<IEcsWorldDestroy>, IEcsWorldDestroy
         {
-            foreach (var item in targets) item.OnWorldDestroy(world);
+            public void OnWorldDestroy(EcsWorld world)
+            {
+                foreach (var item in targets) item.OnWorldDestroy(world);
+            }
         }
     }
 }