Thread:PenBird2000/@comment-1398428-20180423170251

So I take it that "Classic Sonic's World" started in "Sonic Generations" because of the timeline divided, rather than started at Sonic the Hedgehog 1, which you just undid. (The latter was because Sonic wasn't 'known' as Classic Sonic at that point, just regular ole' "Sonic the Hedgehog".) 