Each player can choose two wild mutant heroes to play at once, swapping back and forth to chain together insane combos in true tag - team fighting style. (handheldplayers.com)
The game was Teenage Mutant Hero Turtles on the NES, and I didn't like it much... then my brother brought home Super Mario Bros 2 and a gamer was born! (plusxp.com)
Fun Fact: In Ireland, and most European countries, we got Teenage Mutant Hero Turtles because Ninjas were way too extreme for the 80s (gonintendo.com)