The renowned classic Sonic Adventure makes a speedy return as Sonic Adventure DX, featuring newly revamped graphics and an all-new mission feature that delivers never-before-seen game-play modes to the Nintendo GameCube. Combining action stages with adventure elements this is the ultimate Sonic title, providing an immersive and complete gaming experience for all true Sonic gamers. Taking place on planet Earth, the evil Dr. Robotnik has returned and is eager to begin his plans for world domination by the destruction of Station Square where he plans to build his twisted Utopian vision of Robotnickland. He has a scheme to use the seven Chaos Emeralds to empower the Chaos monster, which grows each time it consumes one of these magical Emeralds. Sonic becomes entangled in this sinister plot as our Hero must enlist the help of his friends to foil Robotnik's every move and prevent the Chaos monster from becoming more powerful.