Sonic Generations Demo Released and Trailer

Celebrate 20 years of Sonic with Sonic Generations
A playable demo of Sonic Generations, a video game developed to celebrate Sonic the Hedgehog's 20th Anniversary, is now available for a 20-day period via Xbox Live Arcade and the Playstation Network, Sega announced. Featuring the iconic Green Hill from the original Sonic The Hedgehog, this level has been re-imagined and redesigned in HD and is playable as Classic Sonic in side-scrolling 2D. The demo also supports stereoscopic 3D.
Update: Sega also announced that all Sonic the Hedgehog digital games are now available for up to 50 percent off (press 'read more' for details) - a new trailer is now locally mirrored.