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Sudoku

Fill the grid so each row, column, and box contains digits 1 through 9.

Game state stays in your browser.

Sudoku

Choose grid size and difficulty, then solve the puzzle with conflict-aware input cues.

How to play

Fill each row and column with 1-9. Sub-grid rules apply by size (3x3).

Choose settings and start a new puzzle.

Select grid size and difficulty, then click Start Game.

How to use

  1. Select a cell and enter a digit.
  2. Avoid duplicate numbers in row, column, or 3x3 box.
  3. Complete all cells correctly to finish the puzzle.

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