ALL Classic Sonic Cheat Codes: Level Select & Debug Mode! (Sonic 1, 2, 3 & Knuckles)

Complete guide to all cheat codes in classic Sonic games! Unlock Level Select and Debug Mode easily in Sonic 1, 2, and Sonic 3 & Knuckles. ​🎮 Timestamps & Codes: ​00:00 - Sonic 1 • Debug Mode: Up, C, Down, C, Left, C, Right • Level Select: Up, Down, Left, Right (Hold A + Start) ​01:07 - Sonic 2 • Level Select: Options ➔ Sound Test: 19, 65, 09, 17 • Debug Mode: Sound Test: 01, 09, 09, 02, 01, 01, 02, 04 ​04:06 - Sonic 3 & Knuckles • Level Select: Angel Island rope ➔ Up 3x, Down 3x, Left 3x • Debug Mode: Mushroom Hill lift ➔ Up 3x, Down 3x, Left 3x ​🔔 Like & Subscribe for more retro gaming cheats!