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Koimori
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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Features
Single-player
Steam Cloud
Family Sharing
Steam is learning about this game 
Languages:
Interface Full Audio Subtitles
English ✔
French ✔
Italian ✔
German ✔
Spanish - Spain ✔
Japanese ✔
Korean ✔
Portuguese - Brazil ✔
Russian ✔
Simplified Chinese ✔
Dutch ✔
Polish ✔
Spanish - Latin America ✔
Thai ✔
Turkish ✔
Vietnamese ✔
See all 16 supported languages
This game is not yet available on Steam

Planned Release Date: 2026

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About This Game

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.

Care for your koi, when you feel like it

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...

More features to come!

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.

System Requirements

Windows
macOS
    Minimum:
    • Requires a 64-bit processor and operating system
    • OS *: Windows 7
    • Memory: 2 GB RAM
    • DirectX: Version 11
    • Storage: 200 MB available space
    Recommended:
    • Requires a 64-bit processor and operating system
    • OS *: Windows 8
    • Memory: 4 GB RAM
    • DirectX: Version 11
    • Storage: 200 MB available space
* Starting January 1st, 2024, the Steam Client will only support Windows 10 and later versions.
    Minimum:
    • Processor: Apple M1 or Intel Core M
    • Memory: 2 GB RAM
    • Storage: 200 MB available space
    Recommended:
    • Processor: Apple M1 or Intel Core M
    • Memory: 4 GB RAM
    • Storage: 200 MB available space
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