A sequel to a game that honestly did not really need one. New. Super Mario Bros. 2 introduces some new powerups over the original New Super Mario Bros., such as the raccoon leaf from Super Mario Bros. 3 and the Gold Flower. The game's main gimmick revolves around coins, which is a brutally uninteresting concept. The game does have numerous callbacks to old Mario enemies, bosses, levels and powerups, but just as the other NSMB games, fails to invent anything new for the franchise.