May 22, 1968. The US submarine USS Scorpion (SSN-589) disappeared in the Atlantic for mysterious reasons. May 23, 1968. Your mission is to find Scorpio faster than Americans and to extract the valuable cargo that it contains: an early prototype of the nuclear torpedo MK4. Depths are dangerous and the exact location of the submarine is unknown. Use your ingenuity and cunning to sneak past shTotem Wondersarks and explore the ocean floor before oxygen ends.