diff --git a/src/game/make.ts b/src/game/make.ts
index dfeb3160..526b3078 100644
--- a/src/game/make.ts
+++ b/src/game/make.ts
@@ -122,7 +122,6 @@ export function make<T>(comps: CompList<T> = []): GameObj<T> {
             }
             obj.parent = this;
             calcTransform(obj, obj.transform);
-            this.children.push(obj);
             // TODO: trigger add for children
             obj.trigger("add", obj);
             _k.game.events.trigger("add", obj);
diff --git a/src/kaplay.ts b/src/kaplay.ts
index 47e382b5..18940580 100644
--- a/src/kaplay.ts
+++ b/src/kaplay.ts
@@ -366,7 +366,8 @@ const kaplay = <
 >(
     gopt: KAPLAYOpt<TPlugins, TButtons> = {},
 ): TPlugins extends [undefined] ? KAPLAYCtx<TButtons, TButtonsName>
-    : KAPLAYCtx<TButtons, TButtonsName> & MergePlugins<TPlugins> => {
+    : KAPLAYCtx<TButtons, TButtonsName> & MergePlugins<TPlugins> =>
+{
     if (_k.k) {
         console.warn(
             "KAPLAY already initialized, you are calling kaplay() multiple times, it may lead bugs!",
@@ -489,7 +490,10 @@ const kaplay = <
 
     game.root.use(timer());
 
-    system("collision", checkFrame, [LCEvents.AfterFixedUpdate, LCEvents.AfterUpdate])
+    system("collision", checkFrame, [
+        LCEvents.AfterFixedUpdate,
+        LCEvents.AfterUpdate,
+    ]);
 
     function makeCanvas(w: number, h: number) {
         const fb = new FrameBuffer(ggl, w, h);
@@ -1000,7 +1004,7 @@ const kaplay = <
 
         // TODO: this should only run once
         app.run(
-            () => { },
+            () => {},
             () => {
                 frameStart();
 
@@ -1063,7 +1067,7 @@ const kaplay = <
             // clear canvas
             gl.clear(
                 gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT
-                | gl.STENCIL_BUFFER_BIT,
+                    | gl.STENCIL_BUFFER_BIT,
             );
 
             // unbind everything
@@ -1111,7 +1115,7 @@ const kaplay = <
                         }
                     }
 
-                    //checkFrame();
+                    // checkFrame();
                 }
             } catch (e) {
                 handleErr(e as Error);
@@ -1157,7 +1161,7 @@ const kaplay = <
                         }
                     }
 
-                    //checkFrame();
+                    // checkFrame();
                     frameStart();
 
                     for (const sys of _k.systemsByEvent[LCEvents.BeforeDraw]) {
@@ -1516,6 +1520,7 @@ const kaplay = <
         downloadBlob,
         // plugin
         plug,
+        system,
         // char sets
         ASCII_CHARS,
         // dom
@@ -1556,7 +1561,7 @@ const kaplay = <
     // export everything to window if global is set
     if (gopt.global !== false) {
         for (const key in ctx) {
-            (<any>window[<any>key]) = ctx[key as keyof KAPLAYCtx];
+            (<any> window[<any> key]) = ctx[key as keyof KAPLAYCtx];
         }
     }
 
diff --git a/src/types.ts b/src/types.ts
index d937c934..0628c527 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -5385,6 +5385,17 @@ export interface KAPLAYCtx<
      * @group Plugins
      */
     plug<T extends Record<string, any>>(plugin: KAPLAYPlugin<T>): KAPLAYCtx & T;
+    /**
+     * Runs a system at the specified events in the pipeline
+     *
+     * @param name The name of the system. Overwrites an existing system if the name has been used before.
+     * @param cb The function to run.
+     * @param when When to run the function.
+     *
+     * @since v4000.0
+     * @group Plugins
+     */
+    system(name: string, cb: () => void, when: LCEvents[]): void;
     /**
      * Take a screenshot and get the data url of the image.
      *