Cookie?
I like Creature, he's funny and yet cool.
But, these games need more to it, this will be a good game in the first couple of weeks, and then it'll be nothing more but a lost soul in the NG Database.
You should add distractions, more options, or whatever, get more stuff into this game.
The handling could be better too, although everything reacts the way it should be, it's TOO good, so you will fall to quick, once you know this, it's a bit better, but you should make the handling a bit better, smoother, but not to loose.
Besides that, I love the animation and the art, with Creature, those are the top things here. I wasn't playing with sound (since I've got my music on), so I can't tell you something about the music.