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Sudoku

数独 sudoku 益智 逻辑 数字

Tip: Use arrow keys on desktop, or swipe on mobile.

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    About This Game

    Sudoku is a popular number logic puzzle. Fill a 9×9 grid so every row, column, and 3×3 box contains the digits 1–9 exactly once. No math required — pure deduction.

    How to Play

    1. Select an empty cell, then choose a number from the pad.
    2. Each row, column, and 3×3 box must contain 1–9 once.
    3. Use candidate notes to help your reasoning.
    4. Fill the board correctly to win. Multiple difficulties and timer modes are available.

    FAQ

    Any solving tips?

    Start with unique candidates and use cross-elimination across rows, columns, and boxes.

    Are hints available?

    Yes. Built-in hints can help when you get stuck.

    Open Source License

    This game is integrated from an open-source project and allows commercial use.