The idea is super nice, now peach would go towards bowser immediately XD
As a small piece of feedback I would say gravity was a bit weird, and that I hope you get the WebGL working, I know it can be a hassle, but overall well done!
If you can find the time, would you please check out our game as well?!
Our twist of the theme is that a critic tries to play your unfinished game, and you fight from inside the computer to make him like it.