Dyad

http://www.dyadgame.com/

For players interested in the ways music can work in games and synesthesia. Grabbing targets, to propel yourself forward, keeps things exciting.

Genre: Tunnel shooter.
Platforms: PC, PS3.
Difficulty: Not super hard to master, but harder to excel at.
Age-related suggestions: More fun for people who are good with a controller.

Consider consulting detailed reviews before purchase.