Okay, I have to admit something. Sonic Mania has been out over a week, almost two, and I haven’t completed the game. However, due to the functionality of the Nintendo Switch, I’ve been able to practice a completionist run of the game. I’ve even gotten all the Chaos emeralds without having to have completed the second stage and it’s second act. If you want all the Chaos emeralds, as early as possible, see the information below.
Green Hill Zone Act 1 & Act 2
Chemical Plant Zone Act 1
Bottom Path (See Image above with two arrows)
Top Path (See Image above with two arrows)