Mud Ball: Polish & Shine
Relaxing Satisfying Game
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Polish your mud ball and turn it into a perfect shiny sphere. A simple and relaxing game you can’t stop playing.
A childhood memory, now in the palm of your hand.
Remember polishing a mud ball for hours when you were a kid?
Watching it slowly become smooth and shiny?
Now you can relive that moment.
Just swipe the screen.
Polish a little every day and grow your very own Dorodango.
A calm, nostalgic experience you can return to whenever you like.
Polish
Swipe to polish your dorodango.
With daily care, it slowly grows bigger and more beautiful.
Protect
If you stop polishing, cracks may appear.
Leave it too long, and it might even break.
Take care of it and nurture it gently.
Keep Your Streak
Polish every day to build a streak bonus.
Your dorodango becomes stronger and can grow even larger.
Track Your Growth
Your size records and days of care are saved.
Try to beat your personal best.
Daily Reminders
Set reminders at your favorite times.
Make polishing part of your daily routine.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
• Added English language support
• Improved App Store screenshots
• Minor UI improvements
The developer, Atsushi Oshima, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Atsushi Oshima
- Size
- 7.1 MB
- Category
- Simulation
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English and Japanese
- Age Rating
4+
- 4+
- Copyright
- © 2026 Atsushi Oshima