You can now grab Colorbox's bullet-hell shmup Wave - Against every BEAT! for nowt, thanks to OpenFeint’s Free Game of the Day promotion.
Wave - Against every BEAT! features levels and enemies created solely from the beat of various musical tracks. You can use the game's built-in techno tunes or fire up your iPhone's music library for a more personal touch.
You'll find yourself battling enemies and completing missions across three game modes - Arcade, Survival, Free Play - and destroying bosses as you soar through the skies.
OpenFeint is fully supported for leaderboards, achievements, and bragging rights.
You can grab Wave - Against every BEAT! from the App Store right now for free. Pretty soon, it'll return to 99c. You've been warned.