Sonic-mania-game -

: An early draft suggested a different start for Dr. Eggman. Instead of his active pursuit of the Phantom Ruby, he would have begun the game depressed in his bedroom until the Hard Boiled Heavies went rogue, angering him enough to return to villainy.

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 sonic-mania-game

For a deep dive into these technical leftovers, you can check community-driven archives like The Cutting Room Floor or Sonic Retro . : An early draft suggested a different start for Dr

: Internally, the Lava Reef Zone boss area is referred to as "Act 3," and a corresponding title card sprite exists, suggesting some zones were originally planned to have more than two acts. Unused Objects : During the development of , several early story

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

: Players can still access a hidden Level Select and Debug Mode by using specific button combinations on the title screen or within the "No Save" menu.

: 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.