(NES) experience while allowing players to use iconic characters from other classic franchises. Developed by Jay Pavlina of Exploding Rabbit
There have been various fan-made projects and official releases that involve crossovers with the Super Mario Bros. series. However, for a specific crossover NES ROM download, you're likely looking for a fan-made game that combines Super Mario Bros. with another popular NES game. super mario bros crossover nes rom download