Steam

Just Fish: Idle Aquarium

Also known as Just Fish: Idle Aquarium, jfia, just fish idle aquarium

Relax in a calm idle incremental aquarium. Buy and feed fish that grow in real time. Sell fish to buy more fry and discover rarer species. Build your oasis: unlock and place decorations, and enjoy fish interacting with them. Your world keeps earning even while you're away

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Last update

20 May 2026

Original sources

Latest update

AnnouncementPublished 29 Apr 2026

MGN2026 Indie Game Carnival! Chinese localisation included

Hello fish enjoyers! We are participationg in MGN2026 Indie Game Carnival 2026! Go and check it, there are cool games. Also you can see Chinese localisation in your beloved fish game (this game I mean) We wiil add more…

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Update history

Browse past updates and patch notes for this game.

10updates

March 2026
We’re back! Development update & new plans 🐟Hello fish lovers! It’s been a WHALE🐋 I wanted to share a quick update on Just Fish: Idle Aquarium 🐟. Development slowed down for a bit due to personal circumstances, but I’m now back and actively working on the game…Announcement2 changesUI/audioGameplay27 Mar 2026
November 2025
Weekly update! Demo version 0.1.12 infoHello fish lovers! Weekly update! Demo version 0.1.12 just flushed to you🐳 Bugfix's: 1) Tank panel content blinks when fish is sold 2) Tank panel content slider moves to the very top if it was at the very bottom when t…Announcementv0.1.122 changesUI/audioGameplay25 Nov 2025
v0.1.7 Fish will not go away (i hope👀)v0.1.7 fixes: 1) fish go away from the screen 2) food fall to the deepest deepAnnouncementv0.1.712 Nov 2025
DEMO is Ready for YOU!Steam post imageHello my dear fish lovers🐟 It was deep few days. We made it to the Animal festival as you can see! Congrats!🪸✨ A lot of work was done to give ypu better fish expirience. Here we have: 1) 🐚SORT and FIL…Announcement1 changeBalance11 Nov 2025
Demo is HERE!🌊🪸 (and Discord🌊🐚 too!)Let's finaly vibe under water! Demo finally here! I tested it how I could, but some bugs can still hide beneath the rocks. Will try improve your game expirience every day! Also, for ANY kind of feedback I am love to inv…Announcement1 changeServer09 Nov 2025
Fish demo closer and closer!🐟Hello fish lovers! It's been a whale🐳 but we have good news! General updates: - new fish🐟 - UI🔥 - graphic update✨ Happy to announce that demo will be show in near future👏👏👏 First game build already sent for steam…Announcement1 changeUI/audio07 Nov 2025
September 2025
Twitter (X) is ready!We are happy to annouce that now you can also follow us on X (Twitter) too! Link: https://x.com/RoboCosmoTurtle Next time there will be a Discord server! I 🐟fish🐟 you a good luck for a week✨Announcement1 changeServer25 Sept 2025
Roadmap is Ready!🐟Hello fellow fish enjoyers! We are ready to provide you our roadmap with some checkpoints: 1) Demo will be provided to you in November✨ 2) Deep dive in Steam Next Fest February 2026🎉 3) Some time after the festival Win…Announcement1 changeGameplay18 Sept 2025
August 2025
Hello and welcomeSteam post image Hello there! I am happy to welcome you at our brand new Steam page. It's a firts step of an average size road. Next goal - playable demo. And we tried to provide it for you in 1-2 months. Tell your frie…Announcement1 changeGameplay28 Aug 2025

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