BS Super Mario USA is a direct sequel to Super Mario Bros. 2 for the Satellaview, an add-on for the Super Famicom. It was the first Mario platformer game to make use of the Satellaview's Soundlink features. The gameplay and levels are essentially the same as the SNES version of Super Mario Bros. 2, but with numerous added features and a new plot, presented as a sequel to the original game. Dramas by voice actors are also featured, the cast is: Toru Furuya as Mario, Mariko Mukai as Peach / Princess Toadstool, Ichirota Miyakawa as Luigi, Nanae Sumitomo as Kinopio / Toad, and "Mr. Lady" as Catherine / Birdo.
After the events of Super Mario Bros. 2, Mario and friends believe Subcon is all a dream and move on. However, Wart returns and overthrows the King of Subcon in the heroes' absence. Mario and his friends must once again face the forces of Wart, including the Birdo trio, Mouser, Tryclyde, Fryguy and Clawgrip.
