Scooby-Doo! Mystery Mayhem Gameshark Codes (USA) (En,Fr)
This page contains Gameshark cheat codes for Scooby-Doo! Mystery Mayhem (USA) (En,Fr). If you're playing on an emulator you can usually input codes very easily by accessing a tab off the top of the toolbar. Anyone playing on a physical Gameboy will need to purchase a physical Gameshark device to use these codes.
If you're using an emulator and still can't figure out how to setup these codes, you're in luck! There's two common emulators for GBA games, the mGBA and VisualBoy Advance. Follow the link provided for the emulator you're using to be taken to a guide explaining how to get these codes working.
Don't see the code you're looking for on this page? Head on over to my Scooby-Doo! Mystery Mayhem (USA) (En,Fr) CodeBreaker Codes and check for your code there instead!
Unlimited Item Bar: 02011344 00000079
Unlimited Lives: 12012F40 00000009
Moon Jump
7A210890 00020001
42211224 000CFE00
42211224 000DFFFF