Mario Bros. Classic is a European exclusive release for the Nintendo Entertainment System, launched in 1993. The game remains true to the arcade original while incorporating modifications from Kaettekita Mario Bros. Unlike its predecessor, it omits the additional mode, delivering a straightforward multiplayer platform experience featuring Mario and Luigi as they battle creatures in the sewers.
Mario Bros. Classic Serie is an European exclusive version of Mario Bros., released in 1993. It is very faithful to the arcade original, but is built upon the changes made in Kaettekita Mario Bros., removing the extra mode it had.