Scooby-Doo! Unmasked | Nintendo Game Boy AdvanceUNMASK THE MYSTERY! Ruh roh! Fred's cousin, Jed, is nowhere to be found! His animatronic monsters have gone haywire and are attacking everyone in sight! It's up to Scooby Doo and Mystery, Inc. to stop the creepy costumed creatures and find Jed before it's too late Wear amazing costumes with special powers to defeat menacing monsters Explore haunted mansions, spooky amusement parks and more Zoinks! Time for a wild ride Take to the air to steer clear of