This game could (er, did...) make a grown person squeal like a teenage girl...
I like how the game slows down slightly when a distracting firework signals a change of level. I'd like it more if the bonuses were the same way, though; I found them hard to catch and even more distracting than the fireworks, which was especially frustrating on "so cool" or "wow difficult"...
It would also be cool if I could submit my scores for different difficulty settings independently.