Sonic Origins: New Sonic 3 & Knuckles Cheat Codes

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 Mania Cheats & Cheat Codes for PC, PS4, Xbox One, and Nintendo Switch - Cheat Code Central

Sonic Origins cheats: Super Sonic, level select, and more

Here's Some Cheat Codes You Can Use In Sonic Mania – NintendoSoup

Knuckles the Echidna in Sonic the Hedgehog 2, A Gamer's Cheat Codes Wiki

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

Sonic the NFL cheat code : r/SonicTheHedgehog

FGC #189 Sonic the Hedgehog 3 & Knuckles –

Sonic & Knuckles Collection - PCGamingWiki PCGW - bugs, fixes

Sonic Mania Cheats: Level Select Code, How to Collect Chaos Emeralds, Super Sonic, Special and Bonus Stages