Sonic-mania-game (2025)

: 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.

: Unused text for "Hyper" and sprites for Super Emeralds indicate that Hyper Sonic, Tails, and Knuckles transformations were at one point considered, possibly tied to collecting emeralds in bonus stages. Cut Gameplay & Zones Unused Bosses : sonic-mania-game

: 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 : : Players can still access a hidden Level

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 Unused Objects : During the development of ,

: A matchmaking roulette game cut from Studiopolis.

: The game’s original working title was Sonic Discovery . Graphics for an early title screen with this name remain hidden within the game’s data.