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My Koi
My Koi, number 1 hit on the Mac App Store (Games), is a beautiful and relaxing fish pond app. Customise and name each fish. Feed them daily. Watch them grow. Collect new fish. Escape and Relax.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via SteamSpy as of 2026-05-13.
“Game is really realaxing and cool. Nice Koi Fishes. It would be great if developer updates game and adds options like fish breeding and selection so that we can transfer fish from ponds like we want and to organize them.”
— a player, Steam review · 31 hrs played“I'm not sure how much you can call this a game but it is fun. I do wish there were additional features like breeding and even more ponds/pond decorations. Also it's been a bit slower getting to the next size of fish to unlock more types of koi. Despite that it's very relaxing…”
— a player, Steam review · 29 hrs played“[b]Merits:[/b] ▪ It looks pretty ▪ Supports touch screens ▪ You can unlock more variety [b]Flaws:[/b] ▪ Not a game, more of a screensaver ▪ The unlocks feel very similar ▪ Limited pond customisation [b]Verdict:[/b] For the price I paid, I got a decent screensaver. However, the…”
— a player, Steam review · 5 hrs playedLatest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
March Update
Added code to delete corrupted fish saves, should prevent the app from getting stuck on the loading screen Improved multi-touch water interactions, including underwater bubbles Fish now interact with
First Update in a LONG TIME 😊
Firstly apologies for not updating in such a long time. I had some issues with moving to the latest dev software and it kind of defeated me after a lot of mucking around😩. In the end I went back to th
Easter Sale: 50% off, offer ends 10am 6 April, US Pacific Time
Easter Sale: 50% off, offer ends 10am 6 April, US Pacific Time
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-13.
| Genres | Casual, Indie, Simulation |
| Player tags | Relaxing · Simulation · Nature · Beautiful · Underwater · Casual · Atmospheric · Realistic · 3D · Life Sim · Indie · Immersive Sim (SteamSpy community voting) |
| Features | Single-player · Family Sharing |
| Languages | English, French, Italian, German, Spanish - Spain, Japanese, Russian, Simplified Chinese, Traditional Chinese |
| Estimated owners | 50,000 – 100,000 (SteamSpy) |
| Official site | https://www.sakanastudios.com/ |
Minimum system requirements (PC)
Minimum: Requires a 64-bit processor and operating system OS *: Windows 7 Processor: 64bit Dual Core with Hyper-Threading Memory: 4 GB RAM Graphics: Nvidia GeForce 500 series + / AMD Radeon HD 7000 + / Intel HD 4000 series+ Storage: 200 MB available space