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.
Last Updated: 5/1/2026
| Developer | Aurélien Dos Santos |
| Publisher | Aurélien Dos Santos |
| Steam App Id | 4202020 |
About Koimori
Koimori is an Indie, Casual, and Simulation game developed by Aurélien Dos Santos. It was released on the Steam Store by Aurélien Dos Santos.
It can be played and ran on both Windows and Mac systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, Koimori supports the following features:
- Single-player
- Save Anytime
- Custom Volume Controls
- Touch Only Option
- Playable without Timed Input
- Mouse Only Option
- Camera Comfort
- Adjustable Text Size
- Family Sharing
- Steam Cloud
- Color Alternatives
Media & Sceenshots
Watch the featured video for Koimori and see the latest screenshots from the Steam Store.

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Frequently Asked Questions
Soures & References
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Koimori data has been sourced from:
- Valve Corporation. (2026, May 1). Koimori on Steam. Steam Store.
- Valve Corporation. (2026, May 1). Koimori. Steam Community Hub.