Has you controlling a submarine as you race to retrieve stranded divers at the bottom of the ocean floor. Once you submerge, you’ll have to contend 0with killer sharks and enemy subs trying to stop you. Fortunately, your sub is equipped with torpedoes that can be fired continuously by holding down the fire button. You’ll also have to keep a watchful eye on the oxygen tank, because if your ship doesn’t get to the surface in time, it will explode and you’ll lose one divers.