Simplify the following text for a Grade 5 native English-speaking person.
Original: Donkey Kong spawned the sequels Donkey Kong Jr. and Donkey Kong 3 , as well as the spin-off Mario Bros. . A complete re-make of the original arcade game on the Game Boy , named Donkey Kong or Donkey Kong '94 contained levels from both the original Donkey Kong and Donkey Kong Jr arcades .
Simplified: In the Game & Watch version , the main character is Donkey Kong Jr. , that has to save it 's father Donkey Kong from Mario .