Plot

Exploring Mobius seas Eggman found the Chaos Island. It has a giant lake, on the bottom of which are the sunken ruins of Chaos Shrine which contain the inexhaustible power of Chaos. In order to increase the power of his mechanisms Eggman built the Hydrostation on this lake and plans to conquer the world with the power which he got. Residents of the island asked Sonic for help, so he teamed up with Mighty, Tikal, Metal Sonic, Shadow and Espio to start their Chaos Quest to stop Eggman's evil plans once again!