Sonic & Knuckles
Released: Oct 18, 1994

  • PC
  • Sega Genesis
  • Cheats

Sonic & Knuckles Cheats & Secrets

Last Updated on Nov 27, 2021

This page contains cheats, hints, Easter eggs, secrets, and tips for Sonic & Knuckles. We will continually update this page when we come across more useful cheats and tips.

Sonic & Knuckles Cheats For Sega Genesis

Level Select

This code will only work if you have a Sonic the Hedgehog 3 cartridge and a Sonic & Knuckles cartridge locked together. Start a new game and go to Angel Island Zone Act 1, grab ahold of one of the rope swings. While Sonic is swinging from the rope swing, press Left, Left, Left, Right, Right, Right, Up, Up, Up. If you did this correctly you will hear a similar sound to when you pick up a ring. Now, press Start to pause the game, then press the A button to take you back to the title screen. Now below Competition on the title screen, you'll see an options menu where you can pick your starting stage or access the sound test.

Debug Mode

To activate the debug mode, first activate the level select shown above. Next, go to the level select screen and the following sounds in the listed order: 01, 09, 09, 04, 01, 00, 01, 08. If you entered them correctly, you'll hear a noise similar to when collecting a ring. Now you can select a level by pressing A + Start and debug mode will be enabled on that level.

All Chaos Emeralds

To get all 7 of the Chaos Emeralds, first, activate the level select shown above. Next, go to the level select screen and the following sounds in the listed order: 01, 06, 07, 07, 07, 02, 01, 06. If you entered them correctly, you'll hear a noise similar to when collecting an emerald. Now you can select the level you want to start on and you should have all of the Chaos Emeralds already collected.

Sonic & Knuckles Game Genie Codes

The following cheat codes are for Game Genie. These can be used on a Sega Genesis with a Game Genie device or you can use these on any emulator that supports Game Genie Codes. If you want a Game Genie Device, you can always check on Amazon for one.

Cheat Effect Cheat Code
Infinite lives K2WA-CA4J
Invincibility RYBA-C6ZY
Level select

Press A + Start on the title menu to access level select.
RFLA-A6W4
Enable debugger RFTT-A6XW
Each ring is worth 3 SCWT-DNZR
Each ring is worth 8 SCWT-DAZR
Start with 5 lives AZKT-AAG0
Start with 7 lives A7KT-AAG0
Start with 9 lives BFKT-AAG0
Start with 25 lives DFKT-AAG0
Start with 50 lives GKKT-AAG0
Start with 99 lives NPKT-AAG0
Never fall below 99 rings NRXT-CACE
No emeralds needed to become Super Knuckles AB6A-CACW
No emeralds needed to become Super Sonic AANT-CAG6
No rings needed to become Super / Hyper Sonic AANT-CAHL
No rings needed to become Super / Hyper Knuckles AB6A-CADA