Scooby Doo 2: Monsters Unleashed for the Nintendo Game Boy Advance (GBA) is an action-adventure game based on the 2004 live-action film. Players join Scooby, Shaggy, and the rest of the Mystery Inc. gang as they explore spooky environments and uncover clues to unmask a variety of monsters that are terrorizing Coolsville. The game features classic side-scrolling gameplay, puzzle-solving elements, and the iconic humor from the Scooby-Doo franchise. Gamers must navigate through levels filled with obstacles and use each character's unique abilities to solve the mystery.