Hamtaro: Ham-Hams Unite!

Hamtaro: Ham-Hams Unite! (とっとこハム太郎2 ハムちゃんず大集合でちゅ) is a Hamtaro adventure video game developed by Shogakukan and published by Nintendo for the Game Boy Color handheld video game console. It was first released in Japan on April 21, 2001, and was later released in North America on October 28, 2002, and in Europe on January 10, 2003.

The objective of the game is to run around as the hamster Hamtaro convincing his friends to return to the Club House. This is done by collecting and using special words known as Ham-Chat.

This was the last game officially released for the Game Boy Color in the United States and Europe.