diff --git a/hampsterengine b/hampsterengine
index 87eea2e2f818e955307768a179031c2111e43061..5af7f5c6e3ce1d9ada43e76940ec97e4c64de4f9 160000
--- a/hampsterengine
+++ b/hampsterengine
@@ -1 +1 @@
-Subproject commit 87eea2e2f818e955307768a179031c2111e43061
+Subproject commit 5af7f5c6e3ce1d9ada43e76940ec97e4c64de4f9
diff --git a/src/js/objects.js b/src/js/objects.js
index 76486915aa86cf1c016ef5ebdb2c2349f3863a0b..1298685e3e4bb684542a207822e28b030ee9b5ff 100644
--- a/src/js/objects.js
+++ b/src/js/objects.js
@@ -1,4 +1,4 @@
-import {Entity, PhysicsEntity} from "../../hampsterengine/src/things";
+import {Entity} from "../../hampsterengine/src/things";
 import ButtonBorder from "../img/button.webp";
 import {rm_game} from "./rooms/game";
 
diff --git a/src/js/objects/player.js b/src/js/objects/player.js
index fdffe1a503c45ec62c7bda98ee3378ee1f880123..51b0e263d93db4bf84ba340a44affbf3a0fedf47 100644
--- a/src/js/objects/player.js
+++ b/src/js/objects/player.js
@@ -1,6 +1,6 @@
-import {Entity, PhysicsEntity} from "../../../hampsterengine/src/things";
+import {Entity} from "../../../hampsterengine/src/things";
 
-export default class Player extends PhysicsEntity {
+export default class Player extends Entity {
     draw() {
         canvas.setFillColor('red');
         canvas.fillRect(this.x,this.y,10,16);
diff --git a/src/js/rooms/game.js b/src/js/rooms/game.js
index 6f9d1eabc5e420acd00df0f64a0abbab6702ac49..dd5815b9c400d68ec7ecf447ae8b55cab9d864bc 100644
--- a/src/js/rooms/game.js
+++ b/src/js/rooms/game.js
@@ -1,5 +1,5 @@
 
-import {collideRect, Entity, PhysicsEntity, resolveElastic, Room} from "../../../hampsterengine/src/things";
+import {Entity, Room} from "../../../hampsterengine/src/things";
 import Player from "../objects/player";
 import {GRAVITY} from "../extras";
 
@@ -16,43 +16,7 @@ rm_game.stop = _=>{
 }
 
 rm_game.step = _=>{
-    const elapsed = (1000/60); // runs 60 times a second
-    const gx = GRAVITY_X*elapsed;
-    const gy = GRAVITY_Y*elapsed;
-    const entities = rm_game.entities;
 
-    for (let i = 0; i < entities.length; i++) {
-        let entity = entities[i];
-
-        entity.updateBounds();
-
-        switch (entity.type) {
-            case PhysicsEntity.DYNAMIC:
-                entity.vx += entity.ax * elapsed + gx;
-                entity.vy += entity.ay * elapsed + gy;
-                entity.x += entity.vx * elapsed;
-                entity.y += entity.vy * elapsed;
-                break;
-            case PhysicsEntity.KINEMATIC:
-                entity.vx += entity.ax * elapsed;
-                entity.vy += entity.ay * elapsed;
-                entity.x += entity.vx * elapsed;
-                entity.y += entity.vy * elapsed;
-                break;
-        }
-
-        // Check if the entity is colliding with another entity
-        for (let k = 0; k < entities.length; k++) {
-            if (k === i) {
-                // console.debug('SAME')
-                continue;
-            }
-            if (collideRect(entities[i], entities[k])) {
-                console.debug('COLLIDE');
-                resolveElastic(entities[i], entities[k]);
-            }
-        }
-    }
 }
 
 rm_game.drawGui = _ => {
@@ -67,13 +31,3 @@ const player = new Player();
 // player.ay = 0.1;
 player.x = 40;
 rm_game.entities.push(player);
-
-const floor = new PhysicsEntity();
-floor.type = PhysicsEntity.KINEMATIC;
-// floor.resitution = 0;
-floor.ay = 0.00000001;
-floor.height = 10;
-floor.width = 240*2;
-floor.x = -(240/2);
-floor.y = 160;
-rm_game.entities.push(floor);