Sonic-mania-game -

: Tails originally had a unique intro for Chemical Plant Zone where he would dry his fur after being hit by a chemical drop.

: A scrapped boss for Studiopolis Zone that used a rock-paper-scissors mechanic. sonic-mania-game

: The game files contain sprite sets from mobile ports of Sonic 1 , 2 , and a failed Sonic 3 port, which were used as testing tools during development. : Tails originally had a unique intro for

: A matchmaking roulette game cut from Studiopolis. : A matchmaking roulette game cut from Studiopolis

features unused star constellations in the shape of happy and sad masks. Hidden & Beta Elements

During the development of , several early story drafts and pieces of unused content were conceptualized but eventually cut or modified for the final release. Early Story & Concepts

contains several unused assets, including bouncing newspaper stacks and printing machines labeled "Sega SP500" as a potential nod to the SG-1000.