My Joyful Aquarium is an indie developed by Error 300, released 16 September 2025 on Linux, Mac and PC (Microsoft Windows).
What My Joyful Aquarium is
My Joyful Aquarium is an indie game developed by Error 300 and released in 2025. It is available on Linux, Mac and PC (Microsoft Windows). It runs on Unity.
The premise, in the publisher's words
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.
How it plays
It is a single-player game with no multiplayer component.
What it launched against
My Joyful Aquarium launched on 16 September 2025, within three weeks of Ghost of Yotei, Hollow Knight: Silksong, Metal Gear Solid Delta: Snake Eater and Silent Hill f.
Released around the same time: Ghost of Yotei, Hollow Knight: Silksong, Metal Gear Solid Delta: Snake Eater, Silent Hill f.
Screenshots
All media
Quick answers
My Joyful Aquarium — frequently asked questions
When did My Joyful Aquarium come out?
My Joyful Aquarium was released on 16 September 2025 for Linux, Mac and PC (Microsoft Windows).
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