Here are some even more official ones (slightly updated
)
The minimum system requirements are as follows:
OPERATING SYSTEM:
Microsoft Windows XP or Vista
CPU:
Intel Pentium 4 3GHz or AMD Athlon 64 3500+
RAM:
1GB for Windows XP
2GB for Windows Vista
GRAPHICS:
nVidia 6600 or ATI 1300
SOUND:
Microsoft Windows XP/Vista compatible sound card (100% DirectX 9.0c -compatible)
DVD-ROM:
Quad-speed (4x) DVD-ROM drive
HARD DRIVE:
9GB free disk space
INPUT DEVICES:
100% Windows XP/Vista compatible mouse and keyboard
The recommended system requirements are as follows:
OPERATING SYSTEM:
Microsoft Windows XP or Vista
CPU:
Core 2 Duo E6600 (2.4Ghz) or Athlon 64 X2 4600+
RAM:
2GB for Windows XP
3GB for Windows Vista
GRAPHICS:
nVidia 9800GTX or ATI 3870
SOUND:
Microsoft Windows XP/Vista compatible sound card (100% DirectX 9.0c -compatible)
DVD-ROM:
Quad-speed (4x) DVD-ROM drive
HARD DRIVE:
9GB free disk space
INPUT DEVICES:
100% Windows XP/Vista compatible mouse and keyboard / Xbox 360 Controller for Windows
Mac information to follow.