Batman: Arkham Asylum is an action-adventure stealth video game based on DC Comics' Batman for PlayStation 3, Xbox 360 and Microsoft Windows

                                                        
                                                                 Batman: Arkham Asylum
        Minimum System Requirements
OS: Windows XP Sp2/Vista Sp1
Processor:P4 2.8GHz (3.2GHz Vista)/Athlon 64 3000+ (3200+ Vista)
Memory:1GB (1.5GB Vista)
Hard Drive:12GB
Video Memory: graphics card with 256MB (SM 2.0b). NVidia 6800 or ATI X700.
Sound Card:DX9.0c compliant
DirectX:9.0C
Keyboard & Mouse
DVD Rom Drive

Recommended System Requirements
OS: Windows XP Sp2/Vista Sp1
Processor:Core 2 Duo 2.2GHz processor family/Athlon 64 X2 4400+ (required for MP host)
Memory: 2 GB RAM
Hard Drive:12 GB
Video Memory: graphics card with 512MB (SM 3.0). NVidia 8600 GTS or ATI HD 2900 XT.
Sound Card:DX9.0c compliant
DirectX:9.0C
*Internet: Broadband (768kbit/sec upstream required to host 16 players)