The Grim Adventures of Billy & Mandy is a video game based on the Cartoon Network animated television series of the same name. Released for the Game Boy Advance in 2006, this game allows players to control characters like Billy, Mandy, and Grim in a series of battles and missions. The game is known for its humor and unique animated style, reflecting the show's take on supernatural adventures and dark comedy. It typically falls into the fighting and adventure genre, offering a solo campaign as well as multiplayer options.