Sonic Colors for the Wii and DS has been announced today, along with a teaser trailer! It seems like this is Sega’s answer to Mario Galaxy.

Details from Sega of America’s Blog:

We’re excited to announce a brand-new game for Sonic the Hedgehog! Sonic Colors is a high speed action-adventure in which Sonic races through theme park-inspired worlds to rescue a colorful alien race from the clutches of Dr. Eggman. An extraordinary amusement park has been seen orbiting around the home planet of Sonic the Hedgehog, and rumors are spreading that an alien race of Wisps, who have a unique colorful energy, are being held captive there by the evil Dr. Eggman. Soon after arriving at the amusement park, Sonic discovers he is able to use these mysterious alien forces to help the Wisps escape!

Sonic Colors will be available on the Wii and the Nintendo DS around holiday 2010. Sonic Colors for the Wii seamlessly combines both 3D and classic 2D game play perspectives, while the Nintendo DS version takes full advantage of the console’s dual screen.

Sonic Colors sees Sonic accelerating to adrenaline-pumping super speeds and blasting through obstacles in ways never before seen in a Sonic game. The alien Wisps featured in the game each have a unique “Color Power” that, once freed, Sonic is able to absorb while speeding through the various theme park inspired planets. The Wisp energy enables Sonic to create new paths through the stages by drilling through the ground (Yellow Drill) for example, or speeding through the stage as a laser (Cyan Laser). Stringing the Wisp power-ups together creates a combo that increases Sonic’s boost gauge even more quickly. Exclusive Wisp power-ups will be available for both Wii and the Nintendo DS versions, ensuring a unique and super speedy gameplay experience for Sonic fans everywhere.