User blog comment:CesarTeamHYRO/Random Art for SNN Users to enjoy/@comment-72.191.49.218-20110916235020/@comment-3551372-20110916235904

Well the cartoon continuity isn't canon to the games one, so you can cut Sonic Underground out. Final Rush, Mushroom Hill, Stardust Speeday and City Escape are confirmed. A couple of those stages seem good, but who knows where half of them will end up. True Area 53 is a Super Sonic stage, and thus would be hard to implement into the game(considering there are 2 S.S.'s. I also forgot that Casino Night is confirmed, as a mini-game stage. Do you even read the Sonic Generations page? Because as it seems, you still seem to be in the month of April at the moment(when it was first announced). Okay? The other stages you mentioned... just wait for announcments, okay?