About Ground Control

Minimum:
* Windows 98, ME, 2000 or XP
* 200 MHz Pentium CPU (w/ 3D accelerator)
* 233 MHz Pentium II CPU (w/o 3D accelerator)
* 32 MB RAM
* 4 MB VRAM
* 480 MiB Hard Drive Space

Recommended:
* 333 MHz Pentium II CPU
* 3D accelerator
* 64 MB RAM

Network ports:
TCP: 15001, 15101, 15200, 20000-21000 and 25451
UDP: 20000-21000

For creating chat rooms:
TCP: 25000-25499