The entire Mystic Investigation Agency team must be involved in the game Scooby-Doo and Guess Who? Monster Mayhem. The fact is that all the monsters have escaped from the Ghost Museum in Crystal Bay and only the team of Scooby-Doo and his friends can catch and, most importantly, destroy the fugitives. But they need your power, not as a monster hunter, but as the commander-in-chief of a defense strategy. In front of you is each member of the Agency, and a path extends from him. Monsters come out of the door and can move along any path. Below, choose ways to stop him and place monsters in his way in Scooby-Doo and Guess Who? Monster Mayhem.