By whom was XXX developed?
Super Mario Bros. 2
Super Mario Bros. 2, released in Japan as Super Mario USA (Japanese: スーパーマリオUSA, Sūpā Mario USA), is a 1988 platform game developed and published by Nintendo for the Nintendo Entertainment System as the North American/European sequel to the 1985 game Super Mario Bros. The game was first released in North America on October 9, 1988.