Game Genie Code

Scooby-Doo! Mystery Mayhem

Action Replay Codes [US]

The following are known Action Replay Codes for Scooby-Doo! Mystery Mayhem on Nintendo Game Boy Advance (GBA).
These codes were also known as GameShark Codes and in most cases will work on both devices.

These codes are for the U.S. version of the game.

    Master Code – Must Be On
    3ee5f676
    ae22accf
    4632b690
    44e9fdc6

    Infinite Lives
    9b64d35c
    8a4f3114

    Infinite Item Bar
    eb5885c6
    cdf0c916

Code Breaker Codes [US]

The following are known Code Breaker Codes for Scooby-Doo! Mystery Mayhem on Nintendo Game Boy Advance (GBA).

These codes are for the U.S. version of the game.

  • Master Code – Must Be On
    00007E29 000A
    10009B54 0007
  • Infinite Lives
    82012F40 0009
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