Something's wrong with the sewers in Brookyln, NY. For some reason, odd-looking monsters have been popping out of sewer pipes all over town. It's up to expert plumbers, Mario and Luigi, to rid their hometown of these creatures through infinite levels of solo or cooperative play.

Mario Bros. was added to the Wii's Virtual Console on November 19th, 2006. The game is playable with the Wii Remote, Wii Classic Controller, or a GameCube controller. It is available for 500 Wii Points.