Tottoko Hamutarou: Tomodachi Daisakusen Dechu is a puzzle-based video game for the Game Boy Color, released exclusively in Japan. Players control Hamtaro and engage in various mini-games and challenges to build friendships and gather allies. The game features a colorful cast of characters from the Hamtaro series, emphasizing exploration and cooperation.
The first Hamtaro game ever released. Its release remains exclusive to Japan.