Mario & sonic at the london Olympics for the 3ds are currently the newest.
The most coming soon sonic-only game is currently Sonic 4 episode 2.
Sonic Generations
As of 29 Janurary 2012: Sonic Generations
The newest game in the ever popular Sonic the Hedgehog series is Sonic Generations, with the next installment due to be released sometime in 2013.
Sonic Generations
Dark sonic is not in the game
Yes. No the game Sonic Generations was to celebrate sonics 25th birthday so there will be more Sonic games. 1Eoin
NO
sonic generations
The producer of the game sonic generations was produced by Takashi Lazuka.
Unfortunately, Sonic Generations is only a single-player game
the new sonic game is sonic lost world it will come in 2013
There Sonic Generations