TopFreeGame Undersea Underworld 2010-09-05 Undersea Underworld Collection Games Swimming Games 1 Player Games Fish Games Treasure Games Water Games Whale Games Catch three treasures, then follow the flashing arrow to get to the next level. Pick up the tiki mask and skulls for points and energy. If you don't re-energize you lose a life! Avoid the whales, sharks, octopuses, fish, crabs and squid. Alternative content Play Undersea Underworld Full Screen Undersea Underworld (Full Screen Play) Undersea Underworld Game Controls Arrow keys- To move.