Goukaku Boy Series - Yamakawa Ichimonittou - Nihonshi B Yougo Mondaishuu is a Japanese Game Boy game focusing on vocabulary learning. As part of the Goukaku Boy educational series, it tests players' knowledge of Japanese history terms. The gameplay likely involves multiple choice questions or similar quizzes, typical of educational software of the era.  Released only in Japan, it reflects the popularity of educational games on the Game Boy platform and the emphasis on exam preparation in Japanese culture.  The developer and publisher are likely Japanese companies, but the specifics may require further research.  The game's title translates roughly to "Passing Exam Boy Series - Yamakawa Ichimonittou - Japanese History B Vocabulary Problem Collection".

Goukaku Boy Series - Yamakawa Ichimonittou - Nihonshi B Yougo Mondaishuu (Japan)

Goukaku Boy Series - Shikakui Atama o Marukusuru - Suuji de Asobou Sansuu Hen (Japan)