I haven't seen a game use this style of physics so well. I got very far but fell all the way back down and had to stop. The songs are all awesome, too!
Yes, game balance is a complex topic, but I didn't focus on that (because I was frustrated and tired), but on making sure the reward was at least a little bit pleasant.
I thought the balance was good. It's difficult, but I could feel myself improving at the game as I was playing, which was very rewarding. I think you did a great job.
