Sonic The Hedgehog 2 - Cheats - SMS Power!

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

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

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 Mania Cheat Codes (Just like the Old Days) : r/NintendoSwitch

Sonic 3 & Knuckles - The Cutting Room Floor

Sonic 3 Complete - The Independent Video Game Community

15 Best Video Game Cheat Codes of All-Time

Sonic Origins achievements still unlock when using cheat codes

Sonic the Hedgehog for PlayStation 3 - Cheats, Codes, Guide, Walkthrough, Tips & Tricks

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