PC, 3DS versions charge in this Friday.
PC, PS3 and Xbox 360 versions out this week.
Spoilers: Doctor Robotnik one of them.
Crisis City! Rooftop Run! Planet Wisp!
All the best, and some of the rest.
Demo available from Xbox Live, PSN.
Classic gameplay to make your heart melt.
The generations game.
Sonic the Hedgehogs?