Biff is stuck in space and he has a fire laser left with him to kill zombies. To kill them, point at them and press the space bar. If any zombie touches you 3 times, it's game over! To win, you have collect the stuff on space that don't move. To move, you have to point to where you want to go. Have fun!
advanced costume handling, simple sound playing, functions, simple loops, basic math, simple messaging, simple events, visibility, graphic effects, delays,