Eggman Mania is a Sonic Mania Plus mod with new playable character. Made by Its_EZ. Sonic Mania Boss Rush+ is a Sonic Mania plus mod. Made by Apollyon Woman. Classic Knuckles over Eggman is a Sonic Mania Plus mod with new boss: Knuckles The Echidna. Made by Chemical Star. #Eggman #SonicManiaPlusMods #SonicTheHedgehog #SonicMods #Motidzuki #Sonic #SonicManiaPlus