SC Cheats & Glitches: Sonic 3 & Knuckles - Debug & Level Select

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The List of Every Cheat Code in Sonic Origins

Sonic the Hedgehog 3/Hidden content - Sonic Retro

All Sonic Origins Cheat Codes: Level Select, Debug and More - Prima Games

Sonic the Hedgehog Spinball Cheats For Sega Master System Genesis GameGear - GameSpot

Sonic Colors: Ultimate Cheats & Cheat Codes for Xbox One, PlayStation 4, Nintendo Switch, and More - Cheat Code Central