Quote:

Audiosurf is a music-adapting puzzle racer where you use your own music to create your own experience. The shape, the speed, and the mood of each ride is determined by the song you choose. You earn points for clustering together blocks of the same color on the highway, and compete with others on the internet for the high score on your favorite songs.

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Normally it's $9.99, but right now, the humble store has it on sale for just $0.99.

https://www.humblebundle.com/store/p/audiosurf_storefront

For the purchase, you can install it DRM-free if you please, but you also do get a steam key, and the game has controller support on steam!

Here's a video of gameplay to demonstrate the game.

Suffice to say, I'm whipping out my  right now to buy it.