Cheat Codes:Sonic & Knuckles
From Sonic Retro
Contents
Cheat Codes
These are cheat codes which can be accessed by inputting button sequences or by various other methods.
Cheat Codes, Sonic & Knuckles Alone
- Zone Select: While in Mushroom Hill Zone, jump on to one of the hanging platforms, then press +. After being taken back to the title screen, select a character and press +. Keep in mind that Sonic 3 levels are not available and that your character isn't able to go to levels it doesn't normally go to in the run of the game.
- Debug mode: Contrary to popular belief, there IS a debug mode available for this game. However, you need the Sonic 3 cartridge or ROM to do this. Simply start up Sonic 3 and Knuckles, unlock the level select and debug mode codes for that game and then highlight any level in the Sound Test, hold , press , and release when Sonic appears. Turn into a monitor, and paste a lot of monitors until you see things start to disappear. Then revert back to Sonic, and spindash into the monitors. The game will crash, and be buggy, if you're lucky. Press , and then press if necessary. If you are lucky, the game will redirect the the Sonic & Knuckles title screen. Choose any character, hold then press . You will be in the level select screen. Highlight any level, hold , then press . Note that if you choose any level before Mushroom Hill Zone, you will go into Mushroom Hill Zone instead.
In-level Functions, all versions:
Debug
- Press to toggle normal and debug mode.
- Press to advance forward through the debug object list.
- Press + to advance backwards through the debug object list.
- Press to place the selected object at the current coordinates.
- Press to reverse gravity when not in debug mode.
- Current coordinates are designated by the top line of hex digits in the HUD.
- Viewport coordinates are designated by the bottom line of hex digits in the HUD.
Slow-motion/Restart
- During pause press to fade to black and restart from the "SONIC TEAM PRESENTS" screen.
- During pause press and hold to enable slow-motion (this proceeds at half-speed, or 15fps, for as long as you hold the button).
- During pause press to advance one frame.
Game Enhancer Codes
These are cheat codes that can only be used with game enhancer devices. Support for these codes is available in most emulators.
Game Genie
Official Codes, Sonic & Knuckles Alone
Code | Description |
---|---|
AFKT-AAG0 | Start with 1 life. |
AKKT-AAG0 | Start with 2 lives. |
AVKT-AAG0 | Start with 4 lives. |
AZKT-AAG0 | Start with 5 lives. |
A7KT-AAG0 | Start with 7 lives. |
BFKT-AAG0 | Start with 9 lives. |
DFKT-AAG0 | Start with 25 lives. |
GKKT-AAG0 | Start with 50 lives. |
NPKT-AAG0 | Start with 99 lives. |
K2WA-CA4J | Infinite lives. |