requirements:
Pentium II 300Mhz
8MB 3D video hardware
Memory 64 MB of memory
Hard Disk Approximately 650 MB of available additional 100MB for swap file.
CD-ROM drive
Display Super VGA monitor supporting 800x600 resolutions in 16 bit color.
DirectX 8.0a API or later
DirectX8.0a or later compatible 8 MB video card
DirectX8.0a API compatible sound card with speakers or headphones
Operating System Microsoft Windows 98, Windows Millennium Edition, Windows 2000, or Windows XP operating system (Does not support Windows NT).
Peripherals Joystick or flight yoke (recommended).
Microsoft Mouse or compatible pointing device.
Miscellaneous Sound card with speakers or headphones required for audio.
are you in 16 bit mode with the monitor in 800x600....check the bold part