* Microsoft® Windows® XP
* PC with 1.6 Ghz equivalent or higher processor
* 256 MB of system RAM
* 512 MB of system RAM for online play with 3 or more players
* 5.5 GB available hard disk space
* 16x speed or faster CD-ROM drive
* 64 MB GeForce3-class video card.
--- We will only officially support cards with ATI and Nvidia chipsets, and the Intel GMA 900 and GMA 950 products. We are not officially supporting the GeForce 4 MX series.
--- Please note, WE ARE supporting all other cards in the GeForce 4 series including GeForce 4 TI, GeForce 4 Go, and GeForce 4200.
* Sound card with speakers or headphones.
* Microsoft Mouse or compatible pointing device.
* 56.6 Kbps or better modem for 1v1 online play.
* Broadband connection for online play with 3 or more players.
* DirectX 9.0c or above.

If you intend to play on the Ultra High setting and really want to enjoy the experience to the fullest the development team reccommends:

3.0GHz Intel CPU, 1GB of RAM, and an NVIDIA 6600 or 6800 Ultra or 7800 GT or GTX.