MadWorld is a beat 'em up video game developed by Platinum Games and published by Sega for the Nintendo Wii. It was one of the first games on the Nintendo Wii to actually show violence in a gory manner, the game is entirely in black and white, except for the blood, which is depicted as bright red. The game is the spiritual predecesor of Anarchy Reigns, with many characters which appear in MadWorld appearing in Anarchy Reigns, including the protagonist Jack Cayman.