マーブルチェンジ

Content rating
Everyone
1+
Downloads
Content rating
Everyone
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Screenshot image
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About this game

The "Genkidama! SDGs Therapeutic Game Project" develops and provides therapeutic and educational game apps for children with developmental disabilities (autism, Asperger's syndrome, attention-deficit hyperactivity disorder (ADHD), learning disabilities, and tic disorders).
This is a simple game app for children with disabilities.

◆The rules of "Marble Change" are super simple◆
A simple game in which you tap to change the color of red and blue balls and bring the ratio of the two colors closer to 25:25.
By tapping the balls on the screen, you can change red to blue and blue to red.
To complete the game, you must bring the ratio of the 50 balls closer to 25:25 within the time limit.
Please note that if the ratio of the two colors is not equal to or exceeds the quota after three attempts, the game will end.
If the ratio is exactly 25:25, you will earn perfect bonus points.
You can choose the difficulty level of the game: easy or difficult.
Choose the difficulty level that suits you best and aim for a perfect bonus and high score by getting the ratio of the two colors on the screen as close to 25:25 as possible!

* You can play offline, so you can play even when traveling or without Wi-Fi.
* Please be careful about the playtime.
Updated on
Nov 27, 2025

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
Location, Personal info and 4 others
This app may collect these data types
Location, Personal info and 4 others
Data is encrypted in transit
Data can’t be deleted
Committed to follow the Play Families Policy

What’s new

安定性と互換性を改善