Marimo Clicker

Contains ads
Content rating
Everyone
1K+
Downloads
Content rating
Everyone
Learn more
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About this game

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!
Updated on
Apr 24, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Device or other IDs
No data collected
Learn more about how developers declare collection
Data is encrypted in transit
You can request that data be deleted

What’s new

- Adjusted marimo progression balance
- Adjusted UI display