Mario Bros. is a title for the Game & Watch. Despite its name, it has no similarity to the arcade game Mario Bros. Instead of plumbing, Mario and Luigi are working at a bottling factory and must prepare packages of bottles to load onto a delivery truck. This game, played on the Multi Screen model of the Game & Watch, a few months before the much more popular arcade title, making it the first game to feature Luigi.

Mario Bros. is a title for the Game & Watch. Despite its name, it has no similarity to the arcade game Mario Bros. Instead of plumbing, Mario and Luigi are working at a bottling factory and must prepare packages of bottles to load onto a delivery truck. This game, played on the Multi Screen model of the Game & Watch, a few months before the much more popular arcade title, making it the first game to feature Luigi.