Mario and Luigi are doing some underground plumbing when all sorts of weird creatures come flying out of the pipes Turtles crabs even fighterflies attack the helpless Mario Bros It s up to you to kick punch and knock out these sewer pests before time runs out But beware Just when you think you got rid of them they come back for more Play against the computer or with a friend either way this is one underground classic you ll want to play time and time again