Package Name:com.O1I0.O1I0FlashMentalArithmetic
SHA-256:e05b0793c468a294147a590aa49f937feec2329fe4d9fd5dedc135da4cb5247a
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■ Game Progress
- When the game starts, random numbers with the selected number of digits will be displayed on the screen for a set amount of time.
- You must enter the sum of the numbers within 11 seconds after they are displayed.
- If you enter the sum within 11 seconds, the result will be displayed.
- If your answer is correct, you earn 1 point and the game continues. The game ends if your answer is wrong or time runs out.
- Get the highest score you can!
■ Features
- Log in with Google Play to unlock achievements.
- Log in with Google Play to submit your high score to the leaderboard and compete with players around the world.
■ Credits
SE - https://taira-komori.jpn.org/game01.html
For any questions, suggestions, or issues, please contact us via a review or email!
Latest Version
3.3.5Uploaded by
Thananuchai Ritdet
Requires Android
Android 7.1+
Category
Free Educational GameContent Rating
Everyone
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Flag as inappropriateLast updated on Mar 11, 2026
- Updated the font.
- Added the option to close the revive ad popup.
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