A brand new journey of battles, exploration and discovery!

Can Sonic's new 'Colour Power' stop Dr. Eggman's plans to take over the universe and free the captured alien wisps from his cosmic theme park?

For the first time ever two Sonics in one epic game! A mysterious new power sends Sonic back in time where he runs into his original self.

One screen's just not enough for Sonic the Hedgehog as he blasts his way onto the Nintendo DS and takes high-speed action gaming to a whole new level!

Race across oceans, engage in ship-to-ship battles and defeat ruthless pirates as you search the islands for lost treasures.