Sonic Generations Launch Trailer By Mark Delaney, 01 Nov 2011 CommentsWhile more recent iterations of the speedy hedgehog series have focused on 3D environments, you'd be hard pressed to find a fan of Sonic who doesn't miss the classic 2D speed-scrolling. That's why SEGA went back to its roots with Sonic Generations. Though they didn't want to alienate the minority of fans who do still enjoy the 3D segments, so Generations has both varieties to appease everyone. How very bi-partisan of them. Everything about the trailer screams nostalgia, especially the introductory "Seeegaaaa".Here's the launch trailer for the game on the eve of its North American release: As I stated, Sonic Generations is available tomorrow in North America and in Europe and Australia on November 4th.We've got the full list of Sonic Generations achievements - check the list for guides to unlocking them.VideoUpcoming ReleaseXbox 360 Written by Mark DelaneyMark is a Boston native now living in Portland, Oregon. He has written for GameSkinny, Gamesradar and the Official Xbox Magazine. He runs the family-oriented gaming site Game Together.