Cheat Codes discovered in Sonic Mania Plus : r/SonicTheHedgehog

Sonic Mania cheats: debug mode, level select, unlockables and more

Sonic the Hedgehog 2 Cheats For Genesis GameGear Sega Master System Xbox 360 iOS (iPhone/iPad) PC PlayStation 3 Android 3DS Nintendo Switch - GameSpot

Sonic the Hedgehog 3 & Knuckles, A Gamer's Cheat Codes Wiki

Tails' Channel, celebrating 15 years on X: A number of Sonic 3 & Knuckles soundtest features were added in the latest update. @TheOcelot01 recapped all the codes in the list below. #SonicNews

Sonic Triple Trouble 16-Bit Cheat Codes [Sonic Triple Trouble 16 bit] [Tutorials]

Sonic 3 & Knuckles - The Cutting Room Floor

FGC #189 Sonic the Hedgehog 3 & Knuckles –

Sonic Origins: Cheat-Codes für das Retro-Bankett - COMPUTER BILD

Sonic Origins cheat codes for level select, debug mode and Super Sonic

Sonic Origins cheat codes for level select, debug mode and Super