Scooby-Doo Unmasked for Sony PS2

Ruh-roh! Fred's cousin, Jed, is nowhere to be found! His animatronic monsters have gone haywire and are attaching everyone in sight! It's up to Scooby-Doo and Mystery, Inc. to stop the creepy costumed creatures, unmask the mystery, and find Jed before it's too late!