The joy that surrounded Sega's announcement of Sonic Generations — a celebration of the hedgehog's near-20 year career — quickly dissipated for Nintendo fans when it emerged the game is not heading to Wii, 3DS or DS. Don't give up on the blue guy just yet though, as according to an alleged Gamestop release list he may be speeding to 3DS later this year.

GoNintendo posted the release list that puts Sonic Generations for 3DS, as well as another currently unannounced title in Namco's Time Crisis.

Sega has given no official word on Sonic's next Nintendo appearance but with his birthday fast approaching we'll hopefully hear some news soon. In the meantime, here's the first trailer for Sonic Generations as it appears on Xbox 360 and PlayStation 3: