Following the events of Donkey Kong, DK is now in Mario's captivity, and it's up to his son, Donkey Kong Jr., to rescue him. Junior must fight off various enemies that Mario sends his way as he traverses across the jungle and into the city to save his dad.

Donkey Kong Junior's gameplay is similar to the original but introduces the ability to drop fruit on unsuspecting foes below.

More about Donkey Kong Jr. on Mario Wiki