“Subtract to reduce numbers—if it goes negative, add instead!”
Anyone can jump in and give it a try!
■ How to Play This Brain Training Math Game
Flip a card and subtract the number.
If the result goes negative, use addition to recover!
Aim for all correct answers and push through to the final card!
■ Train Your Brain Power
This game tests a wide range of useful skills:
concentration, decision-making, flexible thinking, quick reactions, adaptability, and memory.
🏅 A certificate awaits at the end!
If you clear it on your first try, you’re amazing.
Can you reach the master rank?
Latest Version
1.1.0Uploaded by
นาย ฮ้อย
Requires Android
Android 7.0+
Category
Free Card GameContent Rating
Everyone
Security Report
Check Now
Report
Flag as inappropriateLast updated on Mar 13, 2026
This release includes minor bug fixes and general improvements. Update to the latest version for the best experience.