Bettarium - Betta Fish Tank
Himitsu Lab / Himitsu Lab Inc.
About this game
- Age 10
- Updated Aug 10, 2025
- OS IOS / Android
Editor reviews
Build and care for a serene virtual betta aquarium in Bettarium. Craft beautiful tanks, nurture your fish, and watch lifelike behaviors in a relaxing, high-fidelity simulation. Collect rare bettas, decorate with plants and aquascape elements, and master water care to keep your fish thriving. Progress through quests, unlock themes and gear, and test your knowledge with betta trivia to earn extra rewards. Ideal for players who enjoy aquarium sims, pet care, and calming idle progression.
Screenshots
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How to play:
Choose your starter betta and set up the first tank with heater, filter, plants, and hiding spots.
Feed on schedule and monitor mood, health, and water parameters, then perform partial water changes to keep levels stable.
Decorate and rearrange the aquascape to boost comfort, earn style bonuses, and create unique themed tanks.
Collect and breed bettas to discover new colors, patterns, and fin types while balancing traits and compatibility.
Complete daily quests and answer betta trivia to earn coins, supplies, and rare decorations.
Expand your fish room with new tanks, automation upgrades, and a relaxing showcase mode to watch your fish thrive.