Steam game

Window Aquarista

Create your dream aquariums while you do other things in this relaxing idle game that sits on the bottom of your screen. Unlock new fish and watch them thrive with your help. All at your own pace.

$5.99 February 11, 2026

By LunarianDev

Windows
View on Steam
Window Aquarista - LunarianDev. Popular. Released February 11, 2026
Screenshot of Window Aquarista gameplay showing in-action mechanics Screenshot 2 of Window Aquarista - additional gameplay view Screenshot 3 of Window Aquarista - more gameplay footage Screenshot 4 of Window Aquarista - final gameplay screenshot

Overview

About this game

Window Aquarista is a chill idle game about building and keeping your own aquariums. All while focusing on other tasks as the game sits on the bottom of your screen!

  • Visit the multiple fishing areas to unlock new species for your aquarium.

    Catch over 60 differen't types of fish!

  • Hatch fish from eggs.

Your fish start as eggs and hatch after some time. Be patient with them! 

  • Your fish grow while you do other things.

Hatching them is only the beginning of their journey.

  • Unlock over 60 different types of fish!

  • Sell your fish to build your fortune.

Hatch them, raise them, sell them, repeat.

  • Keep your fish fed to keep them happy!

Feed your fish from time to time to keep them healthy.

  • Keep it clean!

Algae may take over an unwatched tank, but you have the tools to restore it to its full glory!

  • Take a look at the growing catalogue of decorations and create your dream aquarium.

  • The game sits at the bottom of your screen, in a non-intrusive manner.

Work, watch, play, or do whatever you want while your fish live in the bottom of your screen!

  • Multi task without interferences.

Something requires your full attention? Quickly set the game out of view, while still running!

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