Cool little game! I did run into a bug, though — after the first or second round, I couldn’t use the fire wall/explosion anymore. Reloading the game fixed it, and everything worked fine again.
Still, it’s a nice little time killer. I had fun with it, and somehow it even felt calming to me. I think the sound design plays a big part in that — even though the game is chaotic, it still manages to create a surprisingly relaxing atmosphere.