Super Mario Bros 3 Mix is a hack of the NES Super Mario Bros 3.
This hack changes a lot of stuff like allowing you to select the character you're going to play, new power ups, stages were redesigned, new songs, new enemies, new bosses and many more.
This hack is considered for many the best Super Mario Bros 3 hack out there.
I invite you guys to have a look at this hack with me, let's see how it goes.