Midway said it will publish The Grim Adventures of Billy & Mandy on the Nintendo Wii later this year. This fighting/adventure game is based on the Cartoon Network television show. It will feature compatibility with both the Wii remote and GameCube controller.

Miday said The Grim Adventures of Billy & Mandy will utilize the motion-sensing function of the Wii remote and contain content—specific gameplay features. The game will also be home to a one-player mode with over 45 missions, a selection of 15 players, as well as a multiplayer battle mode for up to four players.