Set during the Cold War, the Soviets—led by sword-wielding Irina Spalko—are in search of a crystal skull which has supernatural powers related to a mystical Lost City of Gold. Indy is coerced to head to Peru at the behest of a young man whose friend—and Indy's colleague—Professor Oxley has been captured for his knowledge of the skull's whereabouts.
After settling in Green Hills, Sonic is eager to prove he has what it takes to be a true hero. His test comes when Dr. Robotnik returns, this time with a new partner, Knuckles, in search for an emerald that has the power to destroy civilizations. Sonic teams up with his own sidekick, Tails, and together they embark on a globe-trotting journey to find the emerald before it falls into the wrong hands.
