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Ultraquarium

Coming soon

FusionnistDiscovered Sep 19, 2026

About the game

ULTRAQUARIUM is a casual aquarium sim that lets you create your own fish and decorations. Purchase fish, satisfy their needs and they shall repay you in kind. Want two Gregs? You can't have two Gregs.

Original Steam description

ULTRAQUARIUM is a casual aquarium simulator featuring three game modes:

  • In MONEY MODE, you start on a budget; as you feed your fish and maintain them, you'll be given the means to steadily populate your aquarium.

  • In CREATIVE MODE, you're allowed to pick and place any number of fish, and watch them go.

  • The FISH EDITOR lets you create your own fish for the game! Simply place any .png image in the fish folder, and use the game interface to customize its behavior.

     The game additionally contains a number of assorted tracks which play via an in-game radio widget.

Demo and release information

No demo is verified in the current check data. This does not mean the game has never had a demo; check its Steam page for current availability.

Steam demo, playtest and Early Access: what is the difference?

Information & artwork: Steam · Last checked UTC