Using the joystick and Jump button, maneuver Mario upwards to rescue his captured girlfriend Pauline.On the Girder, Elevator and Conveyor Belt levels, climb upwards to reach Pauline and proceed to the next level. On the Rivet levels, Mario must remove all the rivets on each floor of the structure by running or jumping over them. After all the rivets are removed, the game will reset with increased difficulty.Mario can pick up Hammers which allow him to destroy barrels and enemies.