# Number Challenge: Brain Game

> Focus Test & Hidden Numbers

Canonical page: [https://chrome-stats.com/d/id6757562508](https://chrome-stats.com/d/id6757562508)

## Overview

- **ID:** `id6757562508`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** OPTOELECTRONICS FUTURE LTD
- **Category:** Trivia
- **Version:** 1.0
- **Last updated:** 2026-01-14
- **First published:** 2026-01-14
- **Size:** 73 MB
- **Data as of:** 2026-09-19
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/number-challenge-brain-game/id6757562508)
- **Website:** [https://iosfolder77.s3.eu-west-3.amazonaws.com/app-ads.txt](https://iosfolder77.s3.eu-west-3.amazonaws.com/app-ads.txt)
- **Privacy policy:** [https://optoelectronicsfuture.store/privacy-policy/](https://optoelectronicsfuture.store/privacy-policy/)

## Description

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.

## Rankings

- #1,618,134 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6757562508)