Board Thread:General Discussion/@comment-1031724-20160828014723/@comment-679780-20160901223128

Megalodon Commando wrote: Mystic Monkey wrote: Megalodon Commando wrote: Well Sonic has never had a stable Canon so it's uncertain if it even has a whole timeline to back it up. I think the anon is (somewhat) stable. Granted the Classic era has been vague due to only so much the Mega Drive could do, but Sonic Adventure games and beyond answered questions on Sonic's world and really established some lore. Such as clearing up the name of Sonic's world, Echidna history and lots of other things. I noticed such games as Sonic Heroes and Shadow the hedgehog aren't further referenced during the period of Sonic 06 and present day games which does make me wonder if the canon isn't that fully connected. Oh it is. Shadows still here isn't he?

If Sonic Heroes was not canon, that means that he should still be dead after Sonic Adventure 2. And Shadow's game is pretty much further backstory thats already established in Sonic Adventure 2.

Sonic Generations is also a big reminder that the older Sonic games are still part of canon.