Scooby Doo: Mystery Mayhem Cheats & Codes

Sheet Music

After you get shaggy out of the basement on level 3, there's a a piano. The piano has a key in it, and the only way to open it is to enter this code:purple, yellow, red.

Scooby Doo: Mystery Mayhem Hints, Tips, Tricks, Secrets, & Glitches

Wierd Wild West: Safe Code:

The safe which is in the bank has a three digit code. The code is 1-3-7. It can be found written on the blackboard in the schoolhouse.

Opening The Bridge

On level 2, to open the bridge there is four switches. Press switches 1, 2, and 4.


In the first stage in order to get the last ingredient you have to capture all the shadow monsters and ghosts and when you return from the basement back in their lobby there's more ghosts capture and them then just before you meet up with the gang some lettuce will appear in front of the door.

Fish On The Box

In the episode "Bad JUJU in the Bayou", go over the bridge to where the tome of doom refiller is. You will see a box. Climb up it and the fish that you need for your sandwich is there.

Want even more Scooby Doo: Mystery Mayhem Cheats?

We have Scooby Doo: Mystery Mayhem cheats for PlayStation 2, Xbox, Game Boy Advance, and GameCube on Give them a try, since cheats for other game systems sometimes work on PlayStation 2 games, too!