About this app
Grow your own 3D Marimo in 'Marimo Clicker'—a relaxing idle clicker game! Tap your marimo to help it grow, or simply leave it alone and watch it thrive over time. Your marimo continues growing even while the app is closed, making it the perfect idle game to enjoy anytime, anywhere! - Relaxing Idle Clicker Gameplay A marimo lives in your aquarium. Tap it to collect oxygen bubbles, and it will continue producing oxygen automatically even when you're not playing. Use the oxygen you earn to upgrade your aquarium, improve growth speed, and create the perfect environment for your marimo. This is a relaxing clicker game where your marimo grows little by little—even offline! - Keep the Water Clean Water quality gradually decreases over time. If it reaches 0, your marimo will stop growing, so use Conditioner to restore water quality. Don't worry—your marimo won't die, even if the water gets dirty! - Customize Your Aquarium Decorate your aquarium however you like: Place a variety of decorations Change the lighting angle Use your own photos as the background Switch camera angles freely Create your own relaxing aquarium space! - Compete With Other Players Join the Marimo Rankings and compete to grow the biggest marimo. Can you become the ultimate Marimo Master? - Upgrade Your Environment Spend oxygen to improve your setup: Aquarium – Expand the tank and place more decorations Gloves – Gain more oxygen from tapping Gravel – Increase growth speed Light – Boost passive oxygen production Purifier – Automatically restore water quality Useful Items Conditioner – Restores water quality Supplement – Boosts growth speed and oxygen output Pro Tips Your marimo keeps growing even while offline Tapping boosts both oxygen gain and growth speed Owned decorations increase tap rewards even in storage Large bonus bubbles may appear when water quality is high A soothing aquarium idle clicker for marimo lovers. Start growing your marimo today!
Latest release
What’s New
- Adjusted marimo progression balance - Adjusted UI display
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Sep 1, 2026 · 7:36 AM Free
Screenshots
