diff --git a/src/asset/plugins/asset.js b/src/asset/plugins/asset.js
index 708d8ec6..d64b39de 100644
--- a/src/asset/plugins/asset.js
+++ b/src/asset/plugins/asset.js
@@ -1,7 +1,7 @@
 /** @import { Constructor } from '../../type/index.js' */
 
 import { App, Plugin } from '../../app/index.js'
-import { AppSchedule } from '../../core/index.js'
+import { AppSchedule, CoreSystems } from '../../core/index.js'
 import { EventPlugin } from '../../event/index.js'
 import { typeid, typeidGeneric } from '../../type/index.js'
 import { Assets } from '../core/index.js'
@@ -58,11 +58,13 @@ export class AssetPlugin extends Plugin {
         .registerSystem({
           label: `updateAssetEvents<${typeid(asset)}>`,
           schedule: AppSchedule.Update,
+          systemGroup: CoreSystems.End,
           system: updateAssetEvents(asset, events)
         })
         .registerSystem({
           label: `unloadDroppedAssets<${typeid(events.dropped)}>`,
           schedule: AppSchedule.Update,
+          systemGroup: CoreSystems.End,
           system: unloadDroppedAssets(events.dropped)
         })
     }
@@ -70,11 +72,13 @@ export class AssetPlugin extends Plugin {
     app.registerSystem({
       label: `registerAssetOnAssetServer<${typeid(asset)}>`,
       schedule: AppSchedule.Startup,
+      systemGroup: CoreSystems.Start,
       system: registerAssetOnAssetServer(asset)
     })
     app.registerSystem({
       label: `registerAssetTypes<${typeid(asset)}>`,
       schedule: AppSchedule.Startup,
+      systemGroup: CoreSystems.Start,
       system: registerAssetTypes(asset)
     })
     world.setResourceByTypeId(
diff --git a/src/asset/plugins/assetServer.js b/src/asset/plugins/assetServer.js
index 618f7c22..d6e088d5 100644
--- a/src/asset/plugins/assetServer.js
+++ b/src/asset/plugins/assetServer.js
@@ -3,7 +3,7 @@ import { EventPlugin } from '../../event/index.js'
 import { AssetServer } from '../resources/index.js'
 import { AssetLoadFail, AssetLoadSuccess } from '../events/index.js'
 import { updateAssets, updateAssetLoadEvents, logFailedLoads, registerAssetServerTypes } from '../systems/index.js'
-import { AppSchedule } from '../../core/index.js'
+import { AppSchedule, CoreSystems } from '../../core/index.js'
 
 export class AssetServerPlugin extends Plugin {
 
@@ -19,9 +19,9 @@ export class AssetServerPlugin extends Plugin {
       .registerPlugin(new EventPlugin({
         event: AssetLoadFail
       }))
-      .registerSystem({ schedule: AppSchedule.Startup, system: registerAssetServerTypes })
-      .registerSystem({ schedule: AppSchedule.Update, system: updateAssets })
-      .registerSystem({ schedule: AppSchedule.Update, system: updateAssetLoadEvents })
-      .registerSystem({ schedule: AppSchedule.Update, system: logFailedLoads })
+      .registerSystem({ schedule: AppSchedule.Startup, systemGroup: CoreSystems.Start, system: registerAssetServerTypes })
+      .registerSystem({ schedule: AppSchedule.Update, systemGroup: CoreSystems.End, system: updateAssets })
+      .registerSystem({ schedule: AppSchedule.Update, systemGroup: CoreSystems.End, system: updateAssetLoadEvents })
+      .registerSystem({ schedule: AppSchedule.Update, systemGroup: CoreSystems.End, system: logFailedLoads })
   }
 }
diff --git a/src/asset/plugins/parser.js b/src/asset/plugins/parser.js
index d54234e2..e3ad42af 100644
--- a/src/asset/plugins/parser.js
+++ b/src/asset/plugins/parser.js
@@ -1,6 +1,6 @@
 /** @import {Constructor} from '../../type/index.js' */
 import { App, Plugin } from '../../app/index.js'
-import { AppSchedule } from '../../core/index.js'
+import { AppSchedule, CoreSystems } from '../../core/index.js'
 import { typeid, typeidGeneric } from '../../type/index.js'
 import { Parser } from '../core/index.js'
 import { registerAssetParserOnAssetServer } from '../systems/index.js'
@@ -44,6 +44,7 @@ export class AssetParserPlugin extends Plugin {
       .registerSystem({
         label: `registerAssetParserOnAssetServer<${typeid(asset)}>`,
         schedule: AppSchedule.Startup,
+        systemGroup: CoreSystems.Start,
         system: registerAssetParserOnAssetServer(asset, parser)
       })
   }
diff --git a/src/command/plugin.js b/src/command/plugin.js
index a162b869..bafe92ec 100644
--- a/src/command/plugin.js
+++ b/src/command/plugin.js
@@ -1,5 +1,5 @@
 import { App, Plugin } from '../app/index.js'
-import { AppSchedule } from '../core/index.js'
+import { AppSchedule, CoreSystems } from '../core/index.js'
 import { World } from '../ecs/index.js'
 import { CommandQueue } from './resources/index.js'
 
@@ -11,7 +11,16 @@ export class CommandsPlugin extends Plugin {
   register(app) {
     app
       .setResource(new CommandQueue())
-      .registerSystem({ schedule: AppSchedule.Update, system: executeCommands })
+      .registerSystem({
+        schedule: AppSchedule.Startup,
+        systemGroup: CoreSystems.End,
+        system: executeCommands
+      })
+      .registerSystem({
+        schedule: AppSchedule.Update,
+        systemGroup: CoreSystems.End,
+        system: executeCommands
+      })
   }
 }
 
diff --git a/src/diagnostic/entitycount.js b/src/diagnostic/entitycount.js
index daa6bf39..51c6f9e1 100644
--- a/src/diagnostic/entitycount.js
+++ b/src/diagnostic/entitycount.js
@@ -1,5 +1,5 @@
 import { App } from '../app/index.js'
-import { AppSchedule } from '../core/index.js'
+import { AppSchedule, CoreSystems } from '../core/index.js'
 import { World, Entity, Query } from '../ecs/index.js'
 
 export class EntityCountDiagnosticPlugin {
@@ -9,8 +9,8 @@ export class EntityCountDiagnosticPlugin {
    */
   register(app) {
     app
-      .registerSystem({ schedule: AppSchedule.Startup, system: setUpUI })
-      .registerSystem({ schedule: AppSchedule.Update, system: updateEntityCount })
+      .registerSystem({ schedule: AppSchedule.Startup, systemGroup: CoreSystems.Start, system: setUpUI })
+      .registerSystem({ schedule: AppSchedule.Update, systemGroup: CoreSystems.End, system: updateEntityCount })
   }
 }
 
diff --git a/src/diagnostic/fpsdebugger.js b/src/diagnostic/fpsdebugger.js
index 60cd43b5..44e39c3f 100644
--- a/src/diagnostic/fpsdebugger.js
+++ b/src/diagnostic/fpsdebugger.js
@@ -1,5 +1,5 @@
 import { App, Plugin } from '../app/index.js'
-import { AppSchedule } from '../core/index.js'
+import { AppSchedule, CoreSystems } from '../core/index.js'
 import { World } from '../ecs/index.js'
 import { TimerMode, VirtualClock } from '../time/index.js'
 import { RAFTimer } from './resources/index.js'
@@ -13,10 +13,10 @@ export class FPSDebugger extends Plugin {
   register(app) {
     app
       .setResource(new RAFTimer({ duration: 1, mode: TimerMode.Repeat }))
-      .registerSystem({ schedule: AppSchedule.Startup, system: registerFpsDebuggerTypes })
-      .registerSystem({ schedule: AppSchedule.Startup, system: setUpUI })
-      .registerSystem({ schedule: AppSchedule.Update, system: updateFPSCounter })
-      .registerSystem({ schedule: AppSchedule.Update, system: updateRAFTimer })
+      .registerSystem({ schedule: AppSchedule.Startup, systemGroup: CoreSystems.Start, system: registerFpsDebuggerTypes })
+      .registerSystem({ schedule: AppSchedule.Startup, systemGroup: CoreSystems.Start, system: setUpUI })
+      .registerSystem({ schedule: AppSchedule.Update, systemGroup: CoreSystems.End, system: updateFPSCounter })
+      .registerSystem({ schedule: AppSchedule.Update, systemGroup: CoreSystems.End, system: updateRAFTimer })
   }
 }
 
diff --git a/src/event/plugin.js b/src/event/plugin.js
index f3ef1ee9..71e309ab 100644
--- a/src/event/plugin.js
+++ b/src/event/plugin.js
@@ -1,10 +1,10 @@
 /** @import { Constructor } from '../type/index.js'*/
 
 import { App, Plugin } from '../app/index.js'
+import { AppSchedule, CoreSystems } from '../core/index.js'
 import { makeEventClear, registerEventTypes } from './systems/index.js'
 import { Events } from './core/index.js'
 import { typeid, typeidGeneric } from '../type/index.js'
-import { AppSchedule } from '../core/index.js'
 
 /**
  * @template T
@@ -46,6 +46,7 @@ export class EventPlugin extends Plugin {
       .registerSystem({
         label: `registerEventTypes<${typeid(event)}>`,
         schedule: AppSchedule.Startup,
+        systemGroup: CoreSystems.Start,
         system: registerEventTypes(event)
       })
       .getWorld()
@@ -53,11 +54,10 @@ export class EventPlugin extends Plugin {
 
     if (this.autoClearEvent) {
       app
-        .registerSystemGroup({ label: event, schedule: AppSchedule.Update })
         .registerSystem({
           label: `clearEvents<${typeid(event)}>`,
           schedule: AppSchedule.Update,
-          systemGroup: event,
+          systemGroup: CoreSystems.End,
           system: makeEventClear(name)
         })
     }
diff --git a/src/keyboard/plugin.js b/src/keyboard/plugin.js
index 4fcf0a89..f6af870f 100644
--- a/src/keyboard/plugin.js
+++ b/src/keyboard/plugin.js
@@ -5,7 +5,7 @@ import { Events } from '../event/index.js'
 import { World } from '../ecs/index.js'
 import { KeyCode } from './core/key.js'
 import { typeidGeneric } from '../type/index.js'
-import { AppSchedule } from '../core/index.js'
+import { AppSchedule, CoreSystems } from '../core/index.js'
 import { registerKeyboardTypes } from './systems/index.js'
 
 export class KeyboardPlugin extends Plugin {
@@ -16,8 +16,8 @@ export class KeyboardPlugin extends Plugin {
   register(app) {
     app
       .setResource(new Keyboard())
-      .registerSystem({ schedule: AppSchedule.Startup, system: registerKeyboardTypes })
-      .registerSystem({ schedule: AppSchedule.Update, system: updateKeyBoard })
+      .registerSystem({ schedule: AppSchedule.Startup, systemGroup: CoreSystems.Start, system: registerKeyboardTypes })
+      .registerSystem({ schedule: AppSchedule.Update, systemGroup: CoreSystems.Start, system: updateKeyBoard })
   }
 }
 
diff --git a/src/mouse/plugin.js b/src/mouse/plugin.js
index 11a12e30..2afdc791 100644
--- a/src/mouse/plugin.js
+++ b/src/mouse/plugin.js
@@ -6,7 +6,7 @@ import { Events } from '../event/index.js'
 import { PointerDown, PointerMove, PointerUp } from '../window/index.js'
 import { Vector2 } from '../math/index.js'
 import { typeidGeneric } from '../type/index.js'
-import { AppSchedule } from '../core/index.js'
+import { AppSchedule, CoreSystems } from '../core/index.js'
 import { registerMouseTypes } from './systems/index.js'
 
 export class MousePlugin extends Plugin {
@@ -19,9 +19,9 @@ export class MousePlugin extends Plugin {
     app
       .setResource(new Mouse())
       .setResource(new MouseButtons())
-      .registerSystem({ schedule: AppSchedule.Startup, system: registerMouseTypes })
-      .registerSystem({ schedule: AppSchedule.Update, system: updateMouse })
-      .registerSystem({ schedule: AppSchedule.Update, system: updateMouseButtons })
+      .registerSystem({ schedule: AppSchedule.Startup, systemGroup: CoreSystems.Start, system: registerMouseTypes })
+      .registerSystem({ schedule: AppSchedule.Update, systemGroup: CoreSystems.Start, system: updateMouse })
+      .registerSystem({ schedule: AppSchedule.Update, systemGroup: CoreSystems.Start, system: updateMouseButtons })
   }
 }
 
diff --git a/src/profiler/plugin.js b/src/profiler/plugin.js
index 6277fbea..e905ad95 100644
--- a/src/profiler/plugin.js
+++ b/src/profiler/plugin.js
@@ -3,7 +3,7 @@ import { TimerMode, VirtualClock } from '../time/index.js'
 import { App, Plugin } from '../app/index.js'
 import { World } from '../ecs/index.js'
 import { warn } from '../logger/index.js'
-import { AppSchedule } from '../core/index.js'
+import { AppSchedule, CoreSystems } from '../core/index.js'
 import { registerProfilerTypes } from './systems/index.js'
 
 export class ProfilerPlugin extends Plugin {
@@ -14,10 +14,10 @@ export class ProfilerPlugin extends Plugin {
   register(app) {
     app.setResource(new Profiler())
     app.setResource(new ProfilerTimer({ duration: 1, mode: TimerMode.Repeat }))
-    app.registerSystem({ schedule: AppSchedule.Startup, system: registerProfilerTypes })
+    app.registerSystem({ schedule: AppSchedule.Startup, systemGroup: CoreSystems.Start, system: registerProfilerTypes })
     setupProfileViewer(document.body)
-    app.registerSystem({ schedule: AppSchedule.Update, system: updateProfileViewer })
-    app.registerSystem({ schedule: AppSchedule.Update, system: updateProfileTimer })
+    app.registerSystem({ schedule: AppSchedule.Update, systemGroup: CoreSystems.End, system: updateProfileViewer })
+    app.registerSystem({ schedule: AppSchedule.Update, systemGroup: CoreSystems.End, system: updateProfileTimer })
   }
 }
 
diff --git a/src/render-canvas2d/plugins/index.js b/src/render-canvas2d/plugins/index.js
index a1b6ed1d..38c3b4a8 100644
--- a/src/render-canvas2d/plugins/index.js
+++ b/src/render-canvas2d/plugins/index.js
@@ -2,10 +2,10 @@
 /** @import { Canvas2DFunction } from '../types/index.js' */
 
 import { App, Plugin } from '../../app/index.js'
-import { typeidGeneric } from '../../type/index.js'
+import { typeid, typeidGeneric } from '../../type/index.js'
 import { genrender } from '../systems/index.js'
 import { Material } from '../../render-core/index.js'
-import { AppSchedule } from '../../core/index.js'
+import { AppSchedule, CoreSystems } from '../../core/index.js'
 
 /**
  * @template {Material} T
@@ -39,7 +39,12 @@ export class Canvas2DMaterialPlugin extends Plugin {
   register(app) {
     const { material, update } = this
 
-    app.registerSystem({ schedule: AppSchedule.Update, system: genrender(material, update) })
+    app.registerSystem({
+      schedule: AppSchedule.Update,
+      label: `renderToCanvas2d<${typeid(material)}>`,
+      systemGroup: CoreSystems.PostMain,
+      system: genrender(material, update)
+    })
   }
 
   name() {
diff --git a/src/render-core/plugin.js b/src/render-core/plugin.js
index e4a83e3b..a4eb2160 100644
--- a/src/render-core/plugin.js
+++ b/src/render-core/plugin.js
@@ -1,5 +1,5 @@
 import { App, Plugin } from '../app/index.js'
-import { AppSchedule } from '../core/index.js'
+import { AppSchedule, CoreSystems } from '../core/index.js'
 import { AssetParserPlugin, AssetPlugin, Assets } from '../asset/index.js'
 import { BasicMaterial2D, BasicMaterial3D, Camera, Meshed } from './components/index.js'
 import { Mesh, Shader, Image, BasicMaterial } from './assets/index.js'
@@ -33,7 +33,7 @@ export class RenderCorePlugin extends Plugin {
     app
       .registerType(Meshed)
       .registerType(Camera)
-      .registerSystem({ schedule: AppSchedule.Startup, system: registerRenderCoreTypes })
+      .registerSystem({ schedule: AppSchedule.Startup, systemGroup: CoreSystems.Start, system: registerRenderCoreTypes })
       .registerPlugin(new AssetPlugin({
         asset: Image,
         events: {
diff --git a/src/render-core/plugins/material.js b/src/render-core/plugins/material.js
index 358e9fb8..01ac7bc0 100644
--- a/src/render-core/plugins/material.js
+++ b/src/render-core/plugins/material.js
@@ -1,7 +1,7 @@
 /** @import { Constructor, TypeId } from '../../type/index.js' */
 
 import { App, Plugin } from '../../app/index.js'
-import { AppSchedule } from '../../core/index.js'
+import { AppSchedule, CoreSystems } from '../../core/index.js'
 import { typeid, typeidGeneric } from '../../type/index.js'
 import { Material } from '../assets/index.js'
 import { Material2D, Material3D } from '../components/index.js'
@@ -43,11 +43,13 @@ export class Material2DPlugin extends Plugin {
       .registerType(component)
       .registerSystem({
         schedule: AppSchedule.Startup,
+        systemGroup: CoreSystems.Start,
         label: `registerMaterialTypes<${typeid(asset)}>`,
         system: registerMaterialTypes(component, asset)
       })
       .registerSystem({
         schedule: AppSchedule.Update,
+        systemGroup: CoreSystems.PostMain,
         label: `registerMaterialTypes<${typeid(asset)}>`,
         system: genBinRenderables2D(asset, component)
       })
@@ -95,8 +97,18 @@ export class Material3DPlugin extends Plugin {
 
     app
       .registerType(component)
-      .registerSystem({ schedule: AppSchedule.Startup, system: registerMaterialTypes(component, asset) })
-      .registerSystem({ schedule: AppSchedule.Update, system: genBinRenderables3D(asset, component) })
+      .registerSystem({
+        schedule: AppSchedule.Startup,
+        systemGroup: CoreSystems.Start,
+        label: `initRenderPipeline<${typeid(asset)}>`,
+        system: registerMaterialTypes(component, asset)
+      })
+      .registerSystem({
+        schedule: AppSchedule.Update,
+        systemGroup: CoreSystems.PostMain,
+        label: `binRenders3D<${typeid(asset)}>`,
+        system: genBinRenderables3D(asset, component)
+      })
   }
 
   /**
diff --git a/src/render-webgl/plugin.js b/src/render-webgl/plugin.js
index f68f8778..2ce1aa99 100644
--- a/src/render-webgl/plugin.js
+++ b/src/render-webgl/plugin.js
@@ -1,5 +1,5 @@
 import { App, Plugin } from '../app/index.js'
-import { AppSchedule } from '../core/index.js'
+import { AppSchedule, CoreSystems } from '../core/index.js'
 import { Entity, Query, World } from '../ecs/index.js'
 import { warn } from '../logger/index.js'
 import { MeshAttribute, ProgramCache, BasicMaterial } from '../render-core/index.js'
@@ -25,15 +25,15 @@ export class WebglRendererPlugin extends Plugin {
       .setResource(new ClearColor())
       .setResource(attribute)
       .setResource(new WebglProgramCache())
-      .registerSystem({ schedule: AppSchedule.Startup, system: registerWebglTypes })
-      .registerSystem({ schedule: AppSchedule.Update, system: registerBuffers })
+      .registerSystem({ schedule: AppSchedule.Startup, systemGroup: CoreSystems.Start, system: registerWebglTypes })
+      .registerSystem({ schedule: AppSchedule.Update, systemGroup: CoreSystems.Start, system: registerBuffers })
       .registerPlugin(new WebglMaterialPlugin({
         material: BasicMaterial,
         vertex3d: basicMaterial3DVertex,
         fragment3d: basicMaterial3DFragment
       }))
-      .registerSystem({ schedule: AppSchedule.Update, system: disposeDroppedMeshes })
-      .registerSystem({ schedule: AppSchedule.Update, system: queueMeshes })
+      .registerSystem({ schedule: AppSchedule.Update, systemGroup: CoreSystems.PostMain, system: disposeDroppedMeshes })
+      .registerSystem({ schedule: AppSchedule.Update, systemGroup: CoreSystems.PostMain, system: queueMeshes })
   }
 }
 
diff --git a/src/render-webgl/plugins/index.js b/src/render-webgl/plugins/index.js
index 8b7dc8f7..ad5aa94b 100644
--- a/src/render-webgl/plugins/index.js
+++ b/src/render-webgl/plugins/index.js
@@ -3,7 +3,8 @@
 
 import { App } from '../../app/app.js'
 import { AppSchedule } from '../../core/core/schedules.js'
-import { typeidGeneric } from '../../type/index.js'
+import { CoreSystems } from '../../core/core/systemgroups.js'
+import { typeid, typeidGeneric } from '../../type/index.js'
 import { Material } from '../../render-core/index.js'
 import { genRegisterBuffer, genRender, genRenderPipeline } from '../systems/index.js'
 
@@ -50,9 +51,24 @@ export class WebglMaterialPlugin {
     const { material, vertex3d, fragment3d } = this
 
     app
-      .registerSystem({ schedule: AppSchedule.Startup, system: genRegisterBuffer(material) })
-      .registerSystem({ schedule: AppSchedule.Update, system: genRenderPipeline(material, vertex3d, fragment3d) })
-      .registerSystem({ schedule: AppSchedule.Update, system: genRender(material) })
+      .registerSystem({
+        schedule: AppSchedule.Startup,
+        systemGroup: CoreSystems.Start,
+        label: `registerBuffers<${typeid(material)}>`,
+        system: genRegisterBuffer(material)
+      })
+      .registerSystem({
+        schedule: AppSchedule.Update,
+        systemGroup: CoreSystems.PostMain,
+        label: `initRenderPipeline<${typeid(material)}>`,
+        system: genRenderPipeline(material, vertex3d, fragment3d)
+      })
+      .registerSystem({
+        schedule: AppSchedule.Update,
+        systemGroup: CoreSystems.PostMain,
+        label: `renderToWebgl<${typeid(material)}>`,
+        system: genRender(material)
+      })
   }
 
   name() {
diff --git a/src/scene/plugin.js b/src/scene/plugin.js
index 6fe66aac..c3c423a1 100644
--- a/src/scene/plugin.js
+++ b/src/scene/plugin.js
@@ -8,7 +8,7 @@ import { AssetPlugin, Assets } from '../asset/index.js'
 import { SceneAdded, SceneDropped, SceneModified } from './events/index.js'
 import { typeidGeneric } from '../type/index.js'
 import { spawnScenes } from './systems/index.js'
-import { AppSchedule } from '../core/index.js'
+import { AppSchedule, CoreSystems } from '../core/index.js'
 
 export class ScenePlugin extends Plugin {
 
@@ -30,7 +30,7 @@ export class ScenePlugin extends Plugin {
       .setComponentHooks(SceneInstance, new ComponentHooks(
         initSceneInstance
       ))
-      .registerSystem({ schedule: AppSchedule.Update, system: spawnScenes })
+      .registerSystem({ schedule: AppSchedule.Update, systemGroup: CoreSystems.End, system: spawnScenes })
 
     const world = app.getWorld()
 
diff --git a/src/time/plugin.js b/src/time/plugin.js
index 627a4488..58c05fa9 100644
--- a/src/time/plugin.js
+++ b/src/time/plugin.js
@@ -4,7 +4,7 @@ import { registerTimeTypes, updateTimers } from './systems/index.js'
 import { VirtualClock } from './resource/index.js'
 import { Clock } from './clock.js'
 import { Timer } from './components/timer.js'
-import { AppSchedule } from '../core/index.js'
+import { AppSchedule, CoreSystems } from '../core/index.js'
 
 export class TimePlugin extends Plugin {
 
@@ -14,10 +14,10 @@ export class TimePlugin extends Plugin {
   register(app) {
     app
       .registerType(Timer)
-      .registerSystem({ schedule: AppSchedule.Startup, system: registerTimeTypes })
+      .registerSystem({ schedule: AppSchedule.Startup, systemGroup: CoreSystems.Start, system: registerTimeTypes })
       .setResource(new VirtualClock())
-      .registerSystem({ schedule: AppSchedule.Update, system: updateVirtualClock })
-      .registerSystem({ schedule: AppSchedule.Update, system: updateTimers })
+      .registerSystem({ schedule: AppSchedule.Update, systemGroup: CoreSystems.Start, system: updateVirtualClock })
+      .registerSystem({ schedule: AppSchedule.Update, systemGroup: CoreSystems.Start, system: updateTimers })
   }
 }
 
diff --git a/src/touch/plugin.js b/src/touch/plugin.js
index 649a39a8..9939fa3c 100644
--- a/src/touch/plugin.js
+++ b/src/touch/plugin.js
@@ -1,5 +1,5 @@
 import { App, Plugin } from '../app/index.js'
-import { AppSchedule } from '../core/index.js'
+import { AppSchedule, CoreSystems } from '../core/index.js'
 import { World } from '../ecs/index.js'
 import { Events } from '../event/index.js'
 import { typeidGeneric } from '../type/index.js'
@@ -15,9 +15,9 @@ export class TouchPlugin extends Plugin {
    */
   register(app) {
     app
-      .registerSystem({ schedule: AppSchedule.Update, system: updateTouch })
+      .registerSystem({ schedule: AppSchedule.Update, systemGroup: CoreSystems.Start, system: updateTouch })
       .setResource(new Touches())
-      .registerSystem({ schedule: AppSchedule.Startup, system: registerTouchTypes })
+      .registerSystem({ schedule: AppSchedule.Startup, systemGroup: CoreSystems.Start, system: registerTouchTypes })
   }
 }
 
diff --git a/src/window/plugin.js b/src/window/plugin.js
index e4fbd1c0..fc8800c8 100644
--- a/src/window/plugin.js
+++ b/src/window/plugin.js
@@ -19,7 +19,7 @@ import { World } from '../ecs/index.js'
 import { Window, MainWindow } from './components/index.js'
 import { Windows } from './resources/index.js'
 import { EventPlugin } from '../event/plugin.js'
-import { AppSchedule, EntityCommands } from '../core/index.js'
+import { AppSchedule, CoreSystems, EntityCommands } from '../core/index.js'
 import { registerWindowTypes } from './systems/index.js'
 
 export class WindowPlugin extends Plugin {
@@ -55,7 +55,7 @@ export class WindowPlugin extends Plugin {
     app
       .registerType(Window)
       .registerType(MainWindow)
-      .registerSystem({ schedule: AppSchedule.Startup, system: registerWindowTypes })
+      .registerSystem({ schedule: AppSchedule.Startup, systemGroup: CoreSystems.Start, system: registerWindowTypes })
       .registerPlugin(new EventPlugin({
         event:WindowMove
       }))