The first game in the Super Mario Bros series. After appearing in Donkey Kong and Mario Bros, the Mario brothers moved on to the game that set loads of standards. Not just for platform games, but just about any genre that used conventions established in this game. And this of course had loads of sequels and follow-ups in the Super Mario Bros. series, as well as loads of imitators. Nobuo Uematsu has stated that the theme music, originally created by Koji Kondo, should be Japan's national anthem.