no son oficiales pero son mas o menos los mismos que el asassin's creed

Minimum System Requirements
OS: Windows XP/Vista
Processor: Pentium 4 @ 3 GHz
Memory: 512 MB (1 GB for Vista)
Hard Drive: 8 GB Free
Video Memory: 256 MB (nVidia GeForce 6600 SM3 Required)
Sound Card: DirectX Compatible
DirectX: 9.0c
Keyboard & Mouse
DVD Rom Drive

Recommended System Requirements
OS: Windows XP/Vista
Processor: Intel Core 2 DUO
Memory: 1 GB (2 GB for Vista)
Hard Drive: 8 GB Free
Video Memory: 512 MB (nVidia GeForce 8600)
Sound Card: DirectX Compatible
DirectX: 9.0c or 10
Keyboard & Mouse
DVD Rom Drive
Game Pad STRONGLY Recommended