Bettarium - Betta Fish Tank

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.