Your object in this game is to stay alive as long as posibble and earn as much points as you can by shooting enemy soldiers, helicopters and bombers. Be sure to gather the crates to get ammo and health and avoid explosions and enemy bullets. Instructions: Move Left : A Key Move Right : D Key Climb Up : W Key Climb Down : S Key Special Weapons : E/R Keys Switch Weapons : 1-4 Keys Fire : Left Click.