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 Robotnikland. 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 and must enlist the help of his friends to foil Robotnik's every move and prevent the Chaos monster from becoming more powerful.
In this demo, you can try out six characters (including Sonic the Hedgehog himself) in a variety of levels.
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