Sonic Colours DS is a platform game set in outer space. Players control Sonic the Hedgehog, whose goal is to save the Wisps, an alien race that has been enslaved by Doctor Eggman. The game's main hub is Doctor Eggman's Incredible Interstellar Park, an interplanetary amusement park that consists of five small planets chained to each other. Sonic must be guided through these planets to destroy the power source at their center. Sonic Colours DS is a platform game set in outer space. Players control Sonic the Hedgehog, whose goal is to save the Wisps, an alien race that has been enslaved by Doctor Eggman. The game's main hub is Doctor Eggman's Incredible Interstellar Park, an interplanetary amusement park that consists of five small planets chained to each other. Sonic must be guided through these planets to destroy the power source at their center.