Description：In Contra, the player controls one of two armed military commandos named Bill and Lance, who are sent on a mission to neutralize a terrorist organization called Red Falcon that is secretly planning to take over the Earth.

Instructions：Player 1:\ \ WASD keys tomove.\ \ J to shoot.\ \ K to jump.\ \ \ \ PLayer2:\ \ Arrow keys to move.\ \ 1 to shoot.\ \ 2 to jump.