Scooby-Doo: Mystery Mayhem is a video game released for the PlayStation 2 console in 2004. The game is based on the popular animated television series, Scooby-Doo, and features the gang solving mysteries in various locations.

In the game, the player controls Shaggy and Scooby-Doo as they explore different environments and interact with characters from the show. The game features a variety of puzzles to solve, as well as platforming and combat elements.

Throughout the game, the player must collect Scooby Snacks, which are used to unlock new areas and progress through the story. The game also features unlockable costumes for Scooby and Shaggy, as well as a multiplayer mode where players can compete in various challenges.

Overall, Scooby-Doo: Mystery Mayhem received mixed reviews upon its release, with some praising its faithfulness to the source material and enjoyable gameplay, while others criticized its repetitive nature and lack of innovation.