Donkey Kong Jr. is a platform game developed by Nintendo for the arcade, later ported to various systems including the Nintendo Entertainment System. Players control Donkey Kong's son, who must rescue his father from Mario by navigating obstacles and enemies. The game features unique gameplay mechanics centered around climbing and swinging on vines, establishing it as a classic in Nintendo's lineup.
Donkey Kong Jr. for the Nintendo Entertainment System is one of the most recognizable ports of the original arcade game, being re-released and ported many times.