Audiosurf 2 is coming to Linux. Audiosurf is a music-adapting racer, where you can add your own music and shape, speed and each ride is determined by the chosen song. from here)
Unfortunatelly, only the sequel of Audiosurf is brought to Linux, called Audiosurf Air.
On Audiosurf Air, you can relax and release the preasure, by racing on your music. The noisier the music is, the interesting the race is.