Scooby-Doo Mysteries

Blake's Hotel Chapter:
Enter the following password. Then, use the medallion with the hook to see the ending.

D*OX% AZY%# YM*UV NTKSH !MCLE
%TU!T SOJZH E#TSO JZHE# TSOJY

Ha Ha Carnival Chapter:
Enter the following password. Then, use the dart with the ball to see the ending.

CN?NE L*QG* UM*I* IFEJC HW*++
PN%XW *++PN %XW*+ +PN%X W*++P

Glitch password:
Select Blake's Hotel, then go to "Continue Blake's Hotel" and enter SCOOBYDOOSHAGYANDTHEGANG as a password. The game will resume just before the ending, outside the house and will be glitched. You can find items behind a locked cabinet, a floating totem pole, and two Scooby Doos (one with Shaggy and another being chased by the Chieftain).