After receiving a call from the mayor about major pipe leakages, the Mario Bros. are tasked with ridding the sewers of Brooklyn of the pests messing about the sewer system. Mario Bros. Mayhem is a remake of the classic Mario Bros. arcade game by Nintendo. Specifically, it takes heavy reference from the Gameboy Advance remake. Notable additions of Mario Bros. Mayhem are player customization, game customization, and 8-player online multiplayer.