: 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 :
: A scrapped boss for Studiopolis Zone that used a rock-paper-scissors mechanic. sonic-mania-game
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 : Internally, the Lava Reef Zone boss area
features unused star constellations in the shape of happy and sad masks. Hidden & Beta Elements sonic-mania-game