There's a monster lurking in the mystery mansion! If you're the first player to discover who it is and what they're doing to try to scare Scooby-Doo and his friends, you win. Start off at the Mystery Machine and travel around the gameboard. There you'll visit the Public Library, the Amusement Park and other places where you'll find monsters. Keep track of whom you've seen on your score pad. Soon, you'll be able to guess which monster; The Ghost of Redbeard? Witch Doctor? Frankenstein's Monster? Carlotta? Dracula? is in the Mansion. But you also have to be the player holding the on Scooby Snack - which moves quickly from player to player throughout the game! - before you can guess and win