Spaceman Jimmy has been stranded inside an asteroid! He is quickly discovering how inconvenient zero gravity is.

Shoot the aliens before they hug you to death! (Disclaimer: death may not actually occur.)

Play in browser here.

My cave is very square at the moment. I want to implement some cool per-pixel collision detection on the cave walls, but Box2D won’t let me do that and I’m not going to let myself reimplement a physics engine.