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 :

: 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

contains several unused assets, including bouncing newspaper stacks and printing machines labeled "Sega SP500" as a potential nod to the SG-1000. : Internally, the Lava Reef Zone boss area