68%Strong matchAquarium Designer
85%1k85% positive reviews, Very Positive across 1k reviews·Underwater · Relaxing
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Aquium is a casual single-player aquarium diorama designer where you can create your own underwater aquarium & relax with your fish. Embark on your customized ship to navigate the ocean, collect both real and fantastical fish, and add them to your uniquely designed aquarium!
Aquium
SteamAquium aims to create a unique opportunity for players to create a beautiful aquarium in a calming and relaxing world.
Use a diverse collection of various objects from rocks & plants to fantasy buildings to craft a special aquarium for your fishes.

Aquium allows you to catch fishes in the world --both realistic and fantastical-- to add them to your customized aquarium! You may also sell the fish to obtain gold, which can be used to buy customization options and upgrade your gear.

You can buy new ships of different speeds, storage sizes, etc., and customize them to your liking!

Use gold to upgrade your own fishing gear, which may assist increasing in the number of fish to be caught at once, increasing rarity percentages, etc.
Aquium is not an aquarium or fishing simulation experience by any means and is meant for casual play. If you are looking for aspects like pH levels, water temperature, water types, etc., please note that this game will not include these aspects.
Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.
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The best games like Aquium are Aquarium Designer, Aquarist, Fantasy Aquarium, Behind Glass: Aquarium Simulator, and Tiny Aquarium: Social Fishkeeping.
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