I've built up the game more and now there's a HUD, you can pick up points and lifes. Also it's possible to use ventilators to fly if you're a paper ball. The game is nearly finished, so now I have to focus on new levels and solving bugs. I would really enjoy to hear your opinion and ideas!
SSAO-, LensDistortion- and BokehBlur-Shader by Martins Upitis (http://devlog-martinsh.blogspot.de/)

Here you can find an earlier version:
http://youtu.be/CMV1lFMZoJA?list=UUWlLBtmPsZhbtlCyco5GdUA