Hamtaro: Rainbow Rescue

Developed by AlphaDream and published by Nintendo in 2003 for the GBA, Hamtaro: Rainbow Rescue is a lighthearted adventure game set in the Hamtaro universe. When the rainbow suddenly vanishes, Hamtaro and his Ham-Ham friends embark on a journey to restore color to the world, befriending hamsters along the way. Gameplay is a gentle blend of exploration and light puzzle-solving: players wander through scenes, chat with characters, trigger small mechanisms, and collect items, all while communicating in "Hamtaro-speak" — a vocabulary of key phrases that unlocks story progress. The relaxed pacing, child-friendly design, and artwork faithful to the original anime make it a wholesome treat for young players and fans of the series.