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My Joyful Aquarium cover

My Joyful Aquarium 2025

Simulator by Error 300, published by Error 300.

About

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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same kind of game, other series

Media

My Joyful Aquarium screenshot

Releases

Platform
Date
TBA (early access from September 16, 2025)
TBA (early access from September 16, 2025)
TBA (early access from September 16, 2025)

Earliest full release on each platform; regional dates can differ.