Arcade platform game and the sequel to "Donkey Kong", but with the roles reversed compared to its predecessor: Mario (formerly named "Jumpman") is now the villain and Donkey Kong Jr. is tryi... Read allArcade platform game and the sequel to "Donkey Kong", but with the roles reversed compared to its predecessor: Mario (formerly named "Jumpman") is now the villain and Donkey Kong Jr. is trying to save his kidnapped father.Arcade platform game and the sequel to "Donkey Kong", but with the roles reversed compared to its predecessor: Mario (formerly named "Jumpman") is now the villain and Donkey Kong Jr. is trying to save his kidnapped father.