Game · Announced

Koishi’s Fishing Journal

Koishi’s Fishing Journal is a Touhou Project fan-made desktop idle fishing game. Fish with Koishi, collect fish and rare merfolk, cook dishes with your catch and precious ingredients, sell them for profit, and unlock new species as Koishi enjoys her quiet fishing life on your desktop.

Release date
To be announced
Platforms
Windows, macOS
Developer
meow
Publisher
meow
Koishi’s Fishing Journal artwork
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About Koishi’s Fishing Journal

Koishi’s Fishing Journal is a Touhou Project fan-made desktop idle fishing game starring Koishi Komeiji. Let Koishi relax and fish in a corner of your desktop. While you work, study, or do other things, she’ll keep fishing and bringing back all kinds of catches. Relaxing Fishing on Your DesktopThere’s no need to keep watching the game. Koishi will continue fishing on your desktop, so just check back from time to time to see what she has caught and let her carry on.

Relax and Fish with Friends or New Faces Invite friends to your room, or find strangers to quietly idle together. Bring your Koishis together on your desktop, with up to 12 players fishing together. Chat as you fish, enjoy multiplayer bonuses, and turn on shared clicks to help your friends along. Take a break from work or study to catch up and see what everyone has reeled in. From Ordinary Fish to MermaidsThe water is home to all kinds of creatures.

Ordinary fish can be used directly as ingredients for cooking, while rarer merfolk provide precious ingredients that ordinary fish cannot. Among them are the rarest and highest-tier species of all—mermaids. Discover new fish and merfolk, fill out your species collection, and seek out the rarest creatures hiding beneath the water. Cook, Sell, and GrowTurn ordinary fish and precious ingredients obtained from merfolk into a variety of dishes, then put them up for sale in your shop.…

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Koishi’s Fishing Journal artwork
Koishi’s Fishing JournalSteam · Game · Announced
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SteamLast checked November 3, 2026

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