$20 Game of the Week: Turba (PC)

Turba is a puzzle game that uses your music as the basis of its gameplay. You create and clear clusters of blocks as the game vibrates to your music. There are several unlocakbles, including new modes and special abilities. The Ascend mode in particular is a real challenge, especially when played on one of the higher difficulty levels. You can create an account in order to post your score to online leaderboards. While the game isn’t as mind blowing as Audiosurf or even Beat Hazard, it’s still a fun and cheap way to listen to your music