Minimum System Requirements
[*] Processor: 2.4 GHz (single core)
[*] RAM: 512 MB in Windows XP or 1 GB in Windows Vista
[*] Video Card: GeForce 6600 or better, ATI Radeon 9800 Pro or
better, with support for Shader 2.0, with embedded memory of 128 MB, with support for DirectX 9.0c
[*] Sound: DirectX 9.0c support
[*] Input devices: a keyboard or a gamepad with two mini-joysticks

Recommended System Requirements
[*] Processor: Intel Core2 Duo 2.0GHz
[*] RAM: 2 GB
[*] Video Card: GeForce 7800 or better, ATI Radeon x1800
or better with Shader 2.0 support, with built-in memory, 256 MB, with support for DirectX 9.0c
[*] Sound: DirectX 9.0c support
[*] Input devices: a keyboard or a gamepad with two mini-joysticks
  

serial: 

5HRV-LVRU-F75R-MV2L-RK45
RPJ4-7YVV-XSV5-5JK2-H25T
AT7H-KMJL-334W-W3LT-XJWM
D565-K4ES-56JC-YNXN-54J3
CV3L-25UM-7NF7-7RJA-45C3
S2H6-5DTJ-MDPV-37N7-2FAT
73VD-V59A-5ACY-JPDV-EP9J
PJ5C-P7X9-F35D-FDDK-Y7J6
AKF7-LJPK-5YPS-JVDU-J4YP
9VNE-M9ME-KY9S-MVCV-27EM