neat game! However I like how in the origional pacman if you're moving left and you hold the stick Up, PacMan will take the first opening that appears above him. I got killed once because I was holding left to make a turn and he never did, and instead just kept going up into a ghost
Also, the AI is nothing like what was in the origional PacMan. At one point I cleared at least 1/3 of the level because 3 ghosts were just running around at the bottom left while the last ghost ran back and forth in the little box where they spawn.
Could you try anti-aliasing the shapes for your guys? That might help them look better too.