Free Online Sudoku
Play free online Sudoku in easy, medium, and hard difficulty. Fill every row, column, and 3×3 box with the digits 1–9 — with instant error checking and unlimited fresh grids.
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easy: ★★★medium: ★★★hard: ★★★
Play free online Sudoku in easy, medium, and hard difficulty. Fill every row, column, and 3×3 box with the digits 1–9 — with instant error checking and unlimited fresh grids.