數獨

遊戲說明

1. Tap a cell, then tap a digit on the number pad (or type 1–9 on the keyboard).
2. Each row, column, and 3×3 box must contain digits 1 to 9 exactly once.
3. Conflicts are highlighted in red. Solve the whole grid to win.

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常見問題

Is it free?

Yes — no signup, no ads interrupting play.

Does my data leave my device?

No. Everything runs locally in your browser.

Does it work on mobile?

Yes. Tap cells then digits on the number pad below the board.