http://www.goodluckcowboy.co.uk/every-day-a-game/audiosurf

http://notactuallyeveryday.tumblr.com/post/73244655912/audiosurf

“Audiosurf is a rhythm game, the content of which is controlled almost entirely by your music library.
It can be fast paced and hectic, a tense blast down a musical highway with various coloured blocks flying towards your ship. Or it could be a gentle cruise over a psychedelic backdrop.”