Hamster Club-I is a virtual pet game based on the popular manga series. In this game, players take care of their dwarf hamsters and manage their stats. The main goal is to grow their pets by participating in different minigame competitions. These action games feature various gameplay styles, such as racing and fighting, that challenge the player's skills.
The "i" in Hamster Club-I refers to its online features, which utilized DoCoMo's i-mode cell phone service. However, this aspect of the game has become obsolete due to the discontinuation of the i-mode network.