Cheat Codes - Sonic the Hedgehog 2 (Megatech) - Sonic Retro

Sonic The Hedgehog 2 - Cheats - SMS Power!

Sonic 2 Cheats [Sonic the Hedgehog 2 (2013)] [Mods]

4 Steps to Use Cheats in Sonic Mania Plus - KeenGamer

The List of Every Cheat Code in Sonic Origins

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

GameShark Sonic Advance 3 Codes, PDF, Japanese Games

Sonic the NFL cheat code : r/SonicTheHedgehog

FGC #189 Sonic the Hedgehog 3 & Knuckles –

Sonic Origins Plus cheat codes: find Hidden Palace Zone and get Super Sonic - Video Games on Sports Illustrated

Sonic Mania Cheats: Level Select Code, How to Collect Chaos