Sudoku
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How to play
- Fill the 9×9 grid so every row, every column and every 3×3 box contains the digits 1–9 exactly once.
- Tap a cell, then tap a number (or type on a keyboard). Wrong entries turn red instantly and cost a mistake.
- Solve without mistakes or hints for ★★★. You get 3 hints per puzzle.
- The daily sudoku is the same for everyone and refreshes at midnight UTC — difficulty rotates easy / medium / hard.
- Practice mode gives unlimited puzzles at your chosen difficulty.