Number Challenge: Brain Game
Focus Test & Hidden Numbers
Free · Designed for iPad. Not verified for macOS.
Think of a number, stay focused, and beat the timer. Quick brain training for attention, perception, and speed—fun solo or with friends!
Number Challenge: Brain Game is a fast, addictive focus test inspired by viral “think of a number” challenges.
Pick a number in your head, keep your eyes locked on the center, and stay calm while numbers appear and distractions try to break your concentration. The better your focus, the higher your score.
How to Play
Choose a number (0–9) silently.
Focus on the center area while numbers cycle.
Tap to confirm when you’re ready.
Beat the timer and keep your streak alive.
Features
Quick rounds for instant play
Focus & perception challenge (simple rules, surprisingly hard)
Streaks + best score tracking
Clean minimal design (easy to understand, hard to master)
Play anywhere — no complicated setup
Train your attention, test your perception, and challenge friends to see who stays focused the longest.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, OPTOELECTRONICS FUTURE LTD, 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 Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Usage Data
Data Linked to You
The following data may be collected and linked to your identity:
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- OPTOELECTRONICS FUTURE LTD
- Size
- 76.3 MB
- Category
- Trivia
- Compatibility
Requires iOS 13.0 or later.
- iPhone
Requires iOS 13.0 or later. - iPad
Requires iPadOS 13.0 or later. - iPod touch
Requires iOS 13.0 or later. - Mac
Requires macOS 11.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © Mukhtar