Billy
An impulsive, easily frightened boy whose reckless behavior drives much of the series' comedy.
How it plays
The game uses a side-view perspective across linear stages. Players move through platforming areas, defeat enemies with character attacks, collect items, and reach the end of each level.
Billy, Mandy, and Grim provide the playable cast, with their abilities supporting straightforward combat and traversal. Progression follows the campaign's sequence of stages rather than an open-world structure, and the main challenge comes from enemy encounters, hazards, and platforming sections.
Plan your run
Learn enemy attack patterns before committing to close-range attacks, especially in crowded sections. Keep moving through platforming areas and check reachable side paths for useful collectibles.
Use the character best suited to the immediate obstacle when the game allows switching. Conserving health is more important than rushing, since repeated contact damage can make later encounters difficult.
Meet the cast
An impulsive, easily frightened boy whose reckless behavior drives much of the series' comedy.
A clever and domineering girl who routinely takes control of dangerous situations.
The Grim Reaper, forced into friendship with Billy and Mandy after losing a limbo contest.
Before you begin
Approach groups of enemies carefully instead of attacking blindly.
Explore platforming branches for collectibles before leaving a section.
Use the pause screen or character indicators to confirm available options.
The Grim Adventures of Billy & Mandy for Game Boy Advance is a side-scrolling action game based on Cartoon Network's animated comedy series. Developed by Full Fat and published by Midway Games, it places Billy, Mandy, and Grim in a succession of supernatural encounters inspired by the show's characters and humor. The game combines platforming with close-range combat and collectible-focused exploration. Its reception was generally mixed: reviewers appreciated the recognizable license and simple pick-up-and-play structure, while criticizing its limited depth and repetitive action. It is primarily of interest to fans of the series and licensed handheld games.
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