Mario Bros. (game)

Mario Bros. is an Arcade Game Made by Nintendo in 1983 also released on the NES,it made The First Appearance of Luigi and was the first installment in the Mario Bros Series,it seems that it is the prequel to Super Mario Bros. Becuase of How in the game Mario and Luigi Defeat the Enemies and find a pipe to the Mushroom Kingdom in the Ending of the Game.The Game was Also Ported to NES,Apple 2,Atari 2600,Atari 5200,Commodore 64,Atari 7800 and The ZX Spectrum.