Arrow keys or Swipe (mobile friendly) to move. R or Restart button (bottom right corner) to restart. M to stop/start the background Music. You are a worm. You live in the ground. For some reason, the ground is divided into 18 rooms. In each room there are a few dead leaves. You like dead leaves. You must eat all leaves in the room before you can return back into your hole and get to the next room. Every time you eat a leaf you become longer. Instructions for built-in editor are in 'editor" sprite.
