Description:
Use explosives, automatic weapons, and whatever else it takes. Your objective is not to die and to kill anything that gets in your way.
W, A, S, D - move
Q, E - change weapon
Spacebar - wrestle
Try messing around with the configure options (which can be accessed in game with the pause "P" key) to figure out which settings improve gameplay performance the most (especially "Motion Blur" and "FPS Stability").