Dokodemo Hamster is a game where you are in charge of a hamster living in a cage. The hamster's life goes on even when you're not playing, with it walking around, sleeping and doing other things in real time. You can influence your hamster's mood by talking to it, giving it food or toys, and keeping its home clean. The way the hamster feels changes depending on what you do.
The gameplay involves managing your hamster's daily life, making sure it has enough food, exercise, and attention. As you make decisions, the hamster's behavior and mood will change, affecting how it interacts with you. You'll need to balance the hamster's needs with its wants to keep it happy and healthy.