diff --git a/src/game.ts b/src/game.ts
index f36a7db..0f0ffab 100644
--- a/src/game.ts
+++ b/src/game.ts
@@ -11,13 +11,14 @@ import { PhysicsEntity } from "./entities/phys/physicsEntity";
 import { getAssets } from "./assets";
 import { GameDebugOverlay } from "./overlay";
 import { GameWorld } from "./world";
-import RAPIER from "@dimforge/rapier2d";
+import RAPIER from "@dimforge/rapier2d-compat";
 import { Worm } from "./entities/phys/worm";
 import { readAssetsForEntities } from "./entities";
 
 const worldWidth = 1920;
 const worldHeight = 1080;
 
+
 export class Game {
     public readonly viewport: Viewport;
     private readonly rapierWorld: RAPIER.World; 
@@ -29,6 +30,7 @@ export class Game {
     }
 
     public static async create(window: Window, level: string): Promise<Game> {
+        await RAPIER.init();
         const pixiApp = new Application();
         await pixiApp.init({ resizeTo: window, preference: 'webgl' });
         return new Game(pixiApp, level);
diff --git a/src/mixins/bodyWireframe..ts b/src/mixins/bodyWireframe..ts
index fe2bdf4..3287ad4 100644
--- a/src/mixins/bodyWireframe..ts
+++ b/src/mixins/bodyWireframe..ts
@@ -1,6 +1,6 @@
 import { Graphics, Text } from "pixi.js";
 import { PIXELS_PER_METER, RapierPhysicsObject } from "../world";
-import { Cuboid, RoundCuboid } from "@dimforge/rapier2d";
+import { Cuboid, RoundCuboid } from "@dimforge/rapier2d-compat";
 
 /**
  * Render a wireframe in pixi.js around a matter body.
diff --git a/src/overlay.ts b/src/overlay.ts
index 1fba2a0..9530448 100644
--- a/src/overlay.ts
+++ b/src/overlay.ts
@@ -1,6 +1,6 @@
 import { Container, Graphics, Text, Ticker, UPDATE_PRIORITY } from "pixi.js";
 import globalFlags from "./flags";
-import RAPIER from "@dimforge/rapier2d";
+import RAPIER from "@dimforge/rapier2d-compat";
 import { PIXELS_PER_METER } from "./world";
 import { Viewport } from "pixi-viewport";
 
diff --git a/src/terrain/index.ts b/src/terrain/index.ts
index 196e6a7..641b939 100644
--- a/src/terrain/index.ts
+++ b/src/terrain/index.ts
@@ -1,4 +1,4 @@
-import { Vector2 } from "@dimforge/rapier2d";
+import { Vector2 } from "@dimforge/rapier2d-compat";
 import { Rectangle } from "pixi.js";
 
 export function imageDataToTerrainBoundaries(boundaryX: number, boundaryY: number, imgData: ImageData): { boundaries: Vector2[], boundingBox: Rectangle} {
diff --git a/src/utils/index.ts b/src/utils/index.ts
index dd9c994..9d54ea6 100644
--- a/src/utils/index.ts
+++ b/src/utils/index.ts
@@ -1,4 +1,4 @@
-import { Vector, Vector2 } from "@dimforge/rapier2d";
+import { Vector, Vector2 } from "@dimforge/rapier2d-compat";
 export { Coordinate, MetersValue } from "./coodinate";
 
 
diff --git a/src/weapons/grenade.ts b/src/weapons/grenade.ts
index 74a299f..07f96ec 100644
--- a/src/weapons/grenade.ts
+++ b/src/weapons/grenade.ts
@@ -4,7 +4,7 @@ import { IWeaponCode, IWeaponDefiniton } from "./weapon";
 import { Worm } from "../entities/phys/worm";
 import { Game } from "../game";
 import { GameWorld } from "../world";
-import { Vector2 } from "@dimforge/rapier2d";
+import { Vector2 } from "@dimforge/rapier2d-compat";
 import { add } from "../utils";
 
 export const WeaponGrenade: IWeaponDefiniton = {
diff --git a/src/world.ts b/src/world.ts
index 56a5e17..f8ab71e 100644
--- a/src/world.ts
+++ b/src/world.ts
@@ -1,7 +1,7 @@
 import { IGameEntity, IMatterEntity } from "./entities/entity";
 import { Ticker, UPDATE_PRIORITY } from "pixi.js";
 import { Viewport } from "pixi-viewport";
-import { Ball, Collider, ColliderDesc, EventQueue, RigidBody, RigidBodyDesc, Vector2, World } from "@dimforge/rapier2d";
+import { Ball, Collider, ColliderDesc, EventQueue, RigidBody, RigidBodyDesc, Vector2, World } from "@dimforge/rapier2d-compat";
 import { Coordinate, MetersValue } from "./utils/coodinate";
 
 /**