Minimum System Requirements:
- Windows 2000/XP/Vista
- Pentium 4 1.5 GHz or Athlon(tm) XP 1500+ processor
- 384MB RAM
- DirectX 9.0b compatible 16-bit sound card and latest drivers
- Windows 2000/XP/Vista compatible mouse, keyboard and latest drivers
- DirectX 9.0b or higher
- 3D hardware Accelerator Card Required - DirectX 9.0b or higher compatible 64MB Hardware Accelerated video card and the latest drivers.
- Internet (TCP/IP) and LAN (TCP/IP) play supported
- Internet play requires broadband connection and latest drivers
- LAN play requires network interface card and latest drivers
Singleplayer AND Mulitplayer both work! I've tested it on 4 different computers and it worked.