Yeah, my enemy code is pretty inefficient and causes quite a bit of lag - it also runs a lot better in GBC mode.
Unless you mean the thing where the left half of an enemy sprite sometimes gets garbled with a speech bubble or something. I think that happens because I am close to the sprite limit in the scene.
There's a lot of issues with the enemies, that is easily the most complex and also the most buggy part of the game.
Thanks for playing!!