This is a new video from WatchMojo that lists the top 10 greatest Mario Bros. spin-off games. Mario and his ragtag group of heroes and villains are Nintendo's most popular commodity, a staple of the console since it debuted on the NES. With that popularity and its ability to sell games, Nintendo has continually released games featuring these characters. This has resulted in numerous spin-offs in which Mario and his associates appear in all sorts of games. Check out the video to find out which spin-offs were the best.