Hanasaka Tenshi Tenten-kun no Beat Breaker is another Japanese-exclusive Game Boy Color title. The title suggests a rhythm or music game, potentially involving the character Tenten-kun.  Additional details regarding its gameplay mechanics, developer, and its reception in Japan are currently unknown and require further research into Japanese gaming archives.

Hanasaka Tenshi Tenten-kun no Beat Breaker (Japan)

Hamtaro - Ham-Hams Unite! (USA)