Size on disk of folder is 3.2 gigs, and of course it probably needs more to move stuff around during the install, and temps. I can't remember, but I think the System Requirements were 4.3 gigs. Maybe not.
I've played more since last post, and it sorta pisses me off but beating the bosses is about finding a rhythm, finding their weakness. Maybe there are a few methods to beating the bosses but so far I can only find one, and then I move on cause I'm so pissed at the boss level.