Sega will be releasing a second demo for Sonic Generations this week. Demo #2 for Sonic Generations will go up on Xbox Live tomorrow, October 18th. PlayStation Network users will get their demo on October 25th.
While the previous demo only allowed you to play as classic Sonic, the second demo will allow for both classic and modern Sonic in the Green Hill Zone.
The full game will be released on November 1st for Xbox 360, PlayStation 3 and PC (via download services). The Nintendo 3DS version will be released sometime in November as well, but doesn’t have a concrete release date yet.