It's Taskbar Treasure Week and we have a new background mode. Sadly, it only works for Windows machines, but pressing F12 or the button on your screen will move your fish to your wallpaper, where you can watch them swim happily while still doing other things!
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My Joyful Aquarium is a simulation video game developed by Error 300, released on 16 September 2025 on Linux, PC, Mac. Current Steam price: €6.89.
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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