Batman: Arkham Asylum is an action-adventure stealth video game based on DC Comics' Batman developed for Microsoft Windows, PlayStation 3, and Xbox 360. It was developed by Rocksteady Studios and published by Eidos Interactive in conjunction with Warner Bros. Interactive Entertainment. The PS3 and Xbox 360 versions of the game were released on August 25, 2009 in North America and August 28, 2009 in Euro... Read More.