There is no denying that many games that came out for the NES are considered to be the pinnacle of gaming. Be it for gameplay, graphics or sound.
Super Mario Bros. 3 was released by Nintendo in 1990. This game had an entire movie promoting it, in The Wizard and it's own cartoon series. Mario 3 redefined not only the Mario series, but also what Platforming would become.
From it's excellent soundtrack, to unique worlds that were all different, to the inventory system, to the hidden secrets and even the card games, Mario 3 pushed the NES to it's limits and showcased what the console was capable of. It's no surprise why many fans consider this game to not only be the greatest NES game ever, but also among the top 5 best games ever made.