Randomize the NES classic, super Mario Bros!!! See if you can find the funniest generations and let's see what you can find... Just select your super Mario Bros Japan USA ROM, then type in a seed or click random seed and then click randomize to see super Mario Bros in a completely different way... This is the first smb1 randomizer, at least one that works on the web at least... Say goodbye to muscle memory, and say hello to mushroom mixer!!!