Choose the combat mode you want to plat and fight for your life. Eliminate all your rivals, improve your weapons, and avoid the shooting. Use A,S,D,W to move, aim and shoot with the mouse.
Watch carefully the other guerrilla fighters or they will kill you. Just watch the map on the right side to locate your enemies. Use A,S,D,W to move and the mouse to shoot. The map has many weapons to choose from. Use the wheel of the mouse to change weapon.