Scooby-Doo! Mystery Mayhem is a video game developed by Artificial Mind and Movement and published by THQ for the Game Boy Advance. In the game, Mystery Inc., while investigating a routine mystery at Hambridge University, uncovers a plot by a mysterious organization that uses pages from an ancient book, the Tome of Doom, to summon real ghosts and monsters. Armed with the Tome, Scooby-Doo and the gang must capture these supernatural entities and gather clues to unravel the mystery behind the organization’s sinister activities. Five Levels are: The Haunting of Hambridge While investigating one of their regular mysteries at Hambridge University Library, the Mystery Inc gang stumble upon an even bigger mystery when they discover the building has become filled with dark spirits and shadowy figures. Mayhem at the Movies The gang goes investigates the mystery of the Red Knight, who has been haunting Milton Brothers Movie Studio. When Daphne is kidnapped by the Red Knight, it’s up to Scooby and Shaggy to rescue her. Weird Wild West The gang visits a real ghost town when they investigate a haunted dude ranch. Bad Juju in The Bayou The gang investigates a bayou full of zombies, and make a pot full of Jumbo. Hi-Tech Horror The gang has finally learned that a technology company called Sherman Tech is behind everything and they head over there to find out what Sherman Tech is up to.