# One Stroke

> Draw a single line that fills every cell. 500 hand-crafted puzzles

Canonical page: [https://chrome-stats.com/d/ai.dirichlet.one\_stroke](https://chrome-stats.com/d/ai.dirichlet.one_stroke)

## Overview

- **ID:** `ai.dirichlet.one_stroke`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Dirichlet
- **Category:** GAME\_PUZZLE
- **Downloads:** 9
- **Version:** 1.1.2
- **Last updated:** 2026-07-22
- **First published:** 2026-04-29
- **Publisher country:** CN
- **Size:** 18 MB
- **Data as of:** 2026-09-14
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=ai.dirichlet.one_stroke)
- **Privacy policy:** [https://docs.google.com/document/d/1ocReCrn7r4iJcrKu0RUOUoxgo--Cwdh-B6jO9KncPjg/edit?usp=sharing](https://docs.google.com/document/d/1ocReCrn7r4iJcrKu0RUOUoxgo--Cwdh-B6jO9KncPjg/edit?usp=sharing)

## Description

One Stroke is a calm, offline puzzle game built around one simple rule: connect every cell of the board with a single continuous line, without crossing yourself or skipping a tile.<br><br>What you get:<br><br>• 500 procedurally generated puzzles, each unique and hand-tuned for a smooth difficulty curve.<br>• An endless Challenge mode where new rows keep arriving — survive as long as you can and build your high score.<br>• Two short tutorials that teach Puzzle and Challenge modes in under a minute.<br>• Soft, focused visual design — Lora typography, gentle animation, thoughtful sound.<br>• Adaptive difficulty: the game watches how you play and quietly tunes future puzzles to keep you in flow.<br>• Fully offline. No accounts. No ads. No tracking. Your progress stays on your device.<br><br>One Stroke is for the moments you want to think, not be sold to. Pick it up for one puzzle, or stay an hour. Either way, it&#39;ll be here when you come back.

## Rankings

- #2,828,991 — Overall

## Permissions and access

### Permissions

- `ai.dirichlet.one_stroke.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.VIBRATE`
- `com.android.vending.CHECK_LICENSE`

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