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Turn your desktop into a living pond with this peaceful idle overlay. Let koi drift around while you work or relax, drop snacks to see them gather, and unlock rare koi patterns as you spend more time with your little friends.
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Koimori is a cozy desktop idle companion for Windows & Mac. Koi wander across your screen while you work or relax, offering a cute and comforting company without distracting you.
Designed to blend perfectly into your day, Koimori never pulls at your attention: there are no pings or alerts asking you to check in. Interact only when you feel like it, otherwise, your koi will happily take care of themselves and drift around in soothing movements.
Feed your little friends with snacks and watch them gather around you. Drop algae along the edges of your screen, and they’ll nibble on them whenever they get hungry.
If you keep them happy, you might discover new and rare kinds of koi...
For the full release, we're preparing:
More decorative items & snacks,
A wide range of koi patterns and shapes,
Nifty focus tools like a playful pomodoro timer.
Do you have more ideas? We wanna hear your feedback!
Consider supporting the development by adding the game to your wishlist.
Steam lists the Koimori release date as 2026.
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