Monsters, Inc. for the Nintendo Game Boy Advance (GBA) is a platform game based on the popular Disney/Pixar animated film. Players guide lovable monsters Mike and Sulley through a variety of levels inspired by the movie's storyline. The objective is to navigate through different environments, collect items, avoid obstacles, and scare human children to generate power for the monster world. The game combines adventure and puzzle-solving elements, as players use each monster's unique abilities to progress and return safely to their own world.