Batman: Arkham Asylum for PC no manual

Batman: Arkham Asylum is a 2009 action-adventure game developed by Rocksteady Studios and published by Eidos Interactive in conjunction with Warner Bros. Interactive Entertainment. Wikipedia Initial release date: August 25, 2009 Engine: Unreal Engine 3 Series: Batman: Arkham Developers: Rocksteady Studios, Virtuos, Feral Interactive Awards: BAFTA Games Award for Best Game, MORE Joker voice: Mark Hamill