Minimum:
OS: Windows XP and Windows Vista
Processor: Singlecore CPU with 2 Ghz
Memory: 512MB RAM
Graphics: Pixel Shader 3 Graphics card with 256mb VRAM (Geforce 6800 or Ati X1600)
DirectX®: 9.0c
Hard Drive: 2GB free hard disk space
Sound: Standard stereo soundcard

Recommended:
OS: Windows XP and Windows Vista
Processor: Dualcore CPU with 2 Ghz
Memory: 1GB RAM
Graphics: Geforce 7900GT or Ati X1900 XT
DirectX®: 9.0c
Hard Drive: 2GB free hard disk space
Sound: 5.1 Surround sound

http://rapidshare.com/files/234822418/kezman16.Tunnel.Rats.part1.rar
http://rapidshare.com/files/234824462/kezman16.Tunnel.Rats.part2.rar
http://rapidshare.com/files/234822529/kezman16.Tunnel.Rats.part3.rar
http://rapidshare.com/files/234822539/kezman16.Tunnel.Rats.part4.rar
http://rapidshare.com/files/234816529/kezman16.Tunnel.Rats.part5.rar