I've now given up on easy. I think I'll stay satisfied with a 5491 points.

Medium is kicking my butt, though. I've been playing around with Bitt's maze, but I can't seem to get past ~45.

*edit*
I'm also looking into ways of cheating. Don't worry, they all involve preventing score uploads. I just want to have a little fun with these damn creeps that have been tormenting me so much for the past several days.

Oh, and if you want to play offline...