Classic Game Room HD %%14%%reviews SWORDQUEST WATERWORLD for Atari 2600 from 1983. The third in the Swordquest quadrilogy (although the 4th game, Airworld, was never completed), Swordquest is one of the rarest and most coveted Atari 2600 video games ever created. Many consider this the most expensive and most valuable Atari VCS cartridge in existence. Maybe… Pepsi Invaders probably wins though. This CGRHD review of Swordquest Waterworld features gameplay from Atari 2600 showing your little …