This is a Sonic Mania mod that changes into a new Sonic game. Right now this is the fourth version of this mod and has a ton of changes from before.
So What has Changed?:
Full zone overhaul: From Seaside Shores to Neon Paradise. Refined its level design, along with its visuals. Note that Sky Base, Timber Treetop, and Neon Paradise are only one act with a short second act.
New sprites: Changed Sonic, Tails, and Knuckles. With two characters Millie the Fox, and Tiara Boobowski. The characters keep their same abilities.
Fixed Collisions and Oddities: Some minor stuff like weird palettes*, spawn locations, and some collision fixes.