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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. 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. sonic-mania-game

: A matchmaking roulette game cut from Studiopolis. For a deep dive into these technical leftovers,

: 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. sonic-mania-game