Donkey Kong Jr. is an arcade style platform game just like its predecessor. There are four stages all of which the themes are quite different from the one before. Donkey Kong Jr. can run right and left as well as climb vines, chains and ropes to climb up and reach the key that will make the player pass on to the next level. Donkey Kong can climb down faster by using one vine and climb speedily by holding two vines together.
On his way to grab the key, Donkey Kong Jr faces enemies like Enemies include “Snapjaws,” “Nitpickers”, and “Sparks”.
Donkey Kong Jr comprises of 4 different levels and each with a different theme. All the three levels are cleared after getting the key, but to complete the fourth stage Donkey Knog Jr needs to push six keys into locks near the top of the stage to free Donkey Kong. Once the Donkey Kong Jr completes all the two levels he is taken back to stage1st increased the level of difficulties.