• Wed. Sep 30th, 2026

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My Joyful Aquarium
My Joyful Aquarium
Cross-Platform

My Joyful Aquarium

Indie, Simulator Error 300 September 16, 2025

Briefing

My Joyful Aquarium is a cozy game about creating your own fish aquarium and breeding fish.
Create your own aquarium and breed fish – from the most basic species to the very elaborate and demanding ones.


Summary

My Joyful Aquarium is a cozy game about creating your own fish aquarium and breeding fish. Create your own aquarium and breed fish - from the most basic species to the very elaborate and demanding ones.

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Details

IGDB ID
330902
Status
Released
First Release
September 16, 2025
Release Dates
Sep 16, 2025 (Mac)
Sep 16, 2025 (PC (Microsoft Windows))
Sep 16, 2025 (Linux)
Q2 2025 (PC (Microsoft Windows))
Cross-Platform
Additional Websites
https://error300.com/ https://www.instagram.com/error300_games/ https://discord.gg/7EUcrkVv https://www.reddit.com/r/Error300_Games/ https://store.steampowered.com/app/3338820/My_Joyful_Aquarium/ https://www.youtube.com/@error300games3 https://twitter.com/error300com https://www.facebook.com/gaming/error300com

Taxonomies

Genres Indie, Simulator
Platforms Linux, Mac, PC (Microsoft Windows)
Developers Error 300
Publishers Error 300
Status Main Game