In Scooby Doo! and the Spooky Swamp, Scooby-Doo, Shaggy, Daphne, Velma, and Fred are on a brand new adventure to uncover the mystery behind a strange swamp girl and her beer cauldron. The kids and their friends can travel beyond the swamp and to other haunted locations such as the snow-covered alpine village and the ghost town of the southwest to discover more clues and solve the mystery of the strange brewery.