IBM PC, Windows 95/NT, DirectX 2.0+, Pentium 133+ (MMX recommended), 16 Mb RAM (32 recommended), PCI SVGA Video w/1 Mb RAM (640x480 in 65536 colors), 4X CDROM, Windows compatible sound card, mouse, 40 Mb HDD free space (approx.), and 14,400+ Modem or Network (for multiplayer).