Stay alive as long as possible and destroy enemies to earn points. Use the mouse to aim/shoot and the W, A, S and D keys to move. Press the space bar to jump. To change firing modes (gun, bow, rocket), use the 1-3 keys. Use the CTRL key to crouch. Throw a grenade with the 'E' key and throw a proximity mine with the 'R' key. To pause/unpause game, press the 'P' key.