AssaultCube

AssaultCube is a FREE, multiplayer, first-person shooter game, based on the CUBE engine. Taking place in realistic environments, with fast, arcade gameplay, its addictive and fun! With efficient bandwidth usage, its low-latency and can even run over a 56 Kbps connection. Its tiny too, weighing in at a lightweight about 50 MB package available for Windows, Mac and Linux. On the correct settings, it can even run on old hardware (Pentium III and above). Features in a nutshell: +Its FREE. +Source co...