Minimum Requirements:
P4 1.5Ghz CPU (or equivalent).
384MB of RAM.
64MB graphics card (see below for chip details).
2GB of free hard drive space.
Lowest supported GPU is a Geforce 4 MX (worse than Geforce 3).
Supported cards:
GF 4 MX.
GF 3.
GF 4.
GF FX (and higher).
Radeon 8500s, 9000s and higher.
PC Gamer were the first to review they themselves recommend:
2Ghz CPU.
512MB RAM.
Radeon 9800.
5-channel sound card and speakers.
Mac Requirements:
Operating System: Mac OS X 10.3.8 or later
CPU Processor: PowerPC G4/G5 or later
CPU Speed: 1.5GHz or faster
Memory: 512 MB or higher
Hard Disk Space: 2.0GB free disk space
Video Card (ATI): Radeon 9600 or better
Video Card (NVIDIA): GeForce FX5200 or better
Video Memory (VRam): 64 MB
Media Required: DVD Drive
Recommended System Requirements
CPU Processor: PowerPC G5
CPU Speed: 2.0GHz or faster
Video RAM: 128MB