not horrible

I think the thing most lacking is that there is no penalty for missing in this. Other than that, and the things mentioned by other people, it wasn't too bad: a good little distraction if you've got a few seconds to spare.

Not bad

It didn't really feel especially realistic to me - that is, it didn't feel like a balloon but rather like a generic movement device. I'd recommend greatly reducing the friction-type effect, so that when you start going in a direction, you keep moving that way.

delicious

The ending felt wrong right at 2:18. The rest of it was incredible, though.

awesomesauce in song form

I am fairly sure this song could defeat Giygas.

The Magic of $100 Earphones

The bass was too low for my old earphones, but I just got some nice Bose ones, and now this is delicious.

pretty nice

Somehow, the symbol feels a bit out of place. Maybe that's just me, though.