Today’s shared challenge

Start with today’s board.

Same puzzle for everyone. One clear solution, thoughtful hints, and private progress on this device.

Daily focus
00:00
A quieter way to practice

A clear mind starts with one move.

Settle into original Sudoku challenges, learn at your own pace, and return whenever you need a calm moment of focus.

Daily edition09Take your time

Thoughtful hints

Learn the next logical idea—not the whole answer.

Private by default

Your streak and stats stay on this device.

One true solution

Every board is created for clean, logical play.

Streak passport

Your quiet record of progress.

Saved locally in this browser. No sign-up, no pressure.

0Completed
0Best streak
Current level
Today’s challenge
The guide library

Better puzzles begin with better patterns.

Learn without losing the pleasure of discovery. Explore concise, practical guides for every stage of your Sudoku practice.

Privacy

Private by design.

This static edition stores only your game progress and streak in this browser. It does not require an account and does not send your puzzle moves to a server.

实用提示

玩法说明

先阅读棋盘,选择一个有目的的动作,并只在有助于学习时使用游戏控制。

每日数独

行动前先识别下一个有用的模式。平静而重复的流程会让游戏更清晰。

→ 阅读棋盘→ 选择一步→ 查看结果