Backwards, rhythm-based shooter Retro/Grade coming to PSN
Retro/Grade, an upcoming PSN game, puts a fresh twist on the side-scrolling shooter, as it's played entirely in reverse.
http://arstechnica.com/gaming/news/2009 ... to-psn.ars
YouTube: Retro/Grade Trailer
http://www.youtube.com/watch?v=2Uj7IaNmxhs