Announcement
Halloween Update 👻🎃
Ghost Skull koi back for the Halloween period 👻🎃
Steam
My Koi
Also known as My Koi, mk, 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.
Last update
8 Jun 2026
Players now
2
Original sources
1
Latest update
Latest updates
Update history
Browse past updates and patch notes for this game.
- September 2025
- Small UpdateAdded a 4th pond once you have unlocked all spaces / fish,
- March 2024
- March UpdateAdded 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 water surface, crea…
- December 2023
- 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 the old software, if…Store
- April 2021
- Easter Sale: 50% off, offer ends 10am 6 April, US Pacific Time
- November 2020
- One more day to create Ghost Skull KoiGHOST SKULL KOI. LAST CHANCE - ENDS 5 NOVEMBER. Don't forget there is only one more day before the Ghost Skull Koi creation slot will be removed for at least a year. All fish created from this version will persist but y…
- October 2020
- My Koi - Halloween SaleHALLOWEEN – GHOST SKULL KOI. ONE WEEK ONLY. For the duration of the Halloween sale, until Thurs Nov 5, new and current users will be able to create and keep the exclusive ghost skull fish. All fish created will persist…
- August 2020
- Minor Update - Fixed some fish growth issuesFixed Long Fin Koi extreme weight issue :) • Fixed fish initial weight inaccuracy • Fixed a rare issue where fish could have a negative growth target and wouldn't grow.
- Minor UpdateGrowth issue fix. There was a bug where if you neglected your fish and then came back after a week or more then fish could jump to full maturity. This has been resolved. I have also adjusted the growth rate to be more s…
- July 2020
- Update, new 24hr time sync, better support for Ultra Wide monitors, bug fixNew 24 hour time sync feature, uses your system clock to try and match the appropriate time of day in the koi pond, it is enabled by the padlock button in the middle of the sun dial in the environment options menu. The…
- Hi there, I just wanted to say a huge thank you to all the new customers who have recently bought My Koi. The response has been fantastic and I’m really excited to move forward and make the App / game as great as I drea…Store
- Minor updateEnabled 60fps in 'Beautiful' and 'Fantastic' quality setting. • Multi display / full screen support. App no longer hides or darkens other screens when in full screen. • Fixed a saving / loading issue caused by users cre…
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