Sonic-mania-game Online

: A matchmaking roulette game cut from Studiopolis.

: 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 : sonic-mania-game

: 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. : A matchmaking roulette game cut from Studiopolis

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