Scooby Doo and the Cyber Chase Gameshark Codes (USA, Europe)
This page contains Gameshark cheat codes for Scooby Doo and the Cyber Chase (USA, Europe). 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 and the Cyber Chase (USA, Europe) CodeBreaker Codes and check for your code there instead!
Invulnerability: DF029ED8 0000BC7B
Unlimited Disguises: 02006FE3 00000003
Unlimited Health: 02006FCC 000000FF
Unlimited Lives: 02006FD4 0000001F
Gameshark Button To Slow Game: 80F00000 0000FFFF
Enable this code during the game has the same effect I think