Sansuu 4 Nen - Keisan Game (Japan) (Beta) represents a beta version of the fourth-grade math game. The core gameplay would be identical or very similar to the final release, but it might contain bugs, incomplete features, or other issues typical of pre-release software.  The beta version offers a glimpse into the development process and allows for comparison with the final product.

Sansuu 4 Nen - Keisan Game (Japan) (Beta)

Sansuu 2 Nen - Keisan Game (Japan)