Underwater Idle Simulator
Underwater Idle Simulator Summary
Underwater Idle Simulator is a mobile Android app in Simulation by Brightika, Inc.. Released in Feb 2026 (1 month ago). It has about 5.5K+ installs and 31 ratings with a 3.86★ (average) average. Based on AppGoblin estimates, it reaches roughly 2.4K monthly active users . Store metadata: updated Apr 7, 2026.
Recent activity: 1.8K installs this week (5.5K over 4 weeks) , and 4.00 new ratings this week View trends →
Store info: Last updated on Google Play on Apr 7, 2026 .
3.86★
Ratings: 31
Screenshots
App Description
Build and grow your dream aquarium in this relaxing idle tycoon game
Dive into the ocean and build the aquarium of your dreams! 🌊🐠
Idle Oceanarium is a vibrant and relaxing idle tycoon game where you become the owner of your very own oceanarium 🐟 Start with a small tank and grow it into a breathtaking underwater destination filled with fascinating sea creatures and happy visitors 🐬✨
Discover and unlock beautiful fish, each with unique animations and personality 🐡 Create stunning exhibits that attract more guests, increase your income, and bring your oceanarium to life 💰 Upgrade tanks, hire staff, and optimize operations to maximize profits — your aquarium keeps growing even while you're away 📈
Expand your oceanarium with new floors, unlock rare species, and participate in special events to earn powerful bonuses 🎁 Every upgrade makes your aquarium more lively, more profitable, and more impressive 🏝️
Enjoy colorful graphics, smooth animations, and a calming atmosphere that makes watching your oceanarium as satisfying as building it 🎨🌊
Build, expand, and become the ultimate oceanarium tycoon! 👑🐠