Donkey Kong Jr. + Jr. Sansū Lesson

Donkey Kong Jr. + Jr. Sansū Lesson is the for the, a combined television and Family Computer unit released only a few months after the original Famicom. It is a compilation of the games Donkey Kong Jr. and a prototype of Donkey Kong Jr. Math; the latter game would not be released until December 1983. Despite being a compilation of the two games, it only contains half of the 1- and 2-Player game modes from Donkey Kong Jr. and the +-×÷ Exercise mode from Donkey Kong Jr. Math.

Donkey Kong Jr.

 * Stage 2 and Stage 3 have been removed.
 * The cut scene for completing Stage 4 has been removed.
 * There is only one difficulty setting, equivalent to B mode (expert) from the earlier release.

Donkey Kong Jr. Math

 * The title in Japanese is different. In this version, the game is called Math Lesson which was the working title during development. When the full game was released in December, the title became Math Play.
 * The format of a screen that asks a math question is different.
 * Donkey Kong is caged for unknown reasons. Even if the game has been completed, Donkey Kong remains caged.
 * A Nitpicker does not appear on screen whenever a math answer is answered correctly. Instead, Apples are dropped from the screen.
 * When clearing a math problem, the remaining time is used as the score.