# Fill One: Line Brain Puzzle

> Casual

Canonical page: [https://chrome-stats.com/d/id6759598128](https://chrome-stats.com/d/id6759598128)

## Overview

- **ID:** `id6759598128`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Nhung Thi Lam Thi
- **Category:** Casual
- **Version:** 1.4
- **Last updated:** 2026-04-09
- **First published:** 2026-02-25
- **Size:** 80 MB
- **Data as of:** 2026-09-26
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/fill-one-line-brain-puzzle/id6759598128)
- **Website:** [https://www.shonniexeter.com](https://www.shonniexeter.com/)
- **Privacy policy:** [https://www.shonniexeter.com/PrivacyPolicy.html](https://www.shonniexeter.com/PrivacyPolicy.html)

## Description

Looking for a simple yet deeply addictive way to sharpen your mind? One Stroke Master brings you the most comprehensive brain-training experience with a staggering 3,200 levels to conquer. Best of all? It’s completely free to play!

WHY YOU'LL LOVE ONE STROKE MASTER:
Whether you're on your daily commute or winding down before bed, spending just a few minutes a day with this puzzle will help keep your brain active and focused.

HOW TO PLAY:
The rule is elegantly simple: Fill all the blocks using just one continuous line. Don't worry about getting stuck—free hints are always available to help you navigate through the most complex patterns.

CHALLENGE YOUR LIMITS:
Progress through four escalating difficulty tiers:

Beginner: Get the hang of the mechanics.

Expert: Start testing your logic.

Professional: For those who love a serious challenge.

Master: "Impossible" difficulty for true puzzle geniuses.

THE MATHEMATICAL ORIGIN:
Inspired by the famous "Seven Bridges of Königsberg" problem from the 18th century, one-stroke puzzles are more than just games—they are mathematical exercises proven to boost work efficiency and prevent mental aging.

GAME FEATURES:

3,200 Levels: The largest collection of one-line puzzles on the store.

4 Difficulty Modes: Tailored for all skill levels.

Free Hints: Never feel frustrated; help is just a tap away.

Minimalist Design: Clean, distraction-free UI to help you focus on the logic.

Offline Play: No internet? No problem. Train your brain anywhere, anytime.

Step into the world of logic and see if you have what it takes to master all 3,200 levels. Download One Stroke Master today!

## Rankings

- #1,900,063 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6759598128)