Classic Sudoku

Easy Mode · Every refresh generates a new unique puzzle

Easy 00:00

Play Free Sudoku Online

Fill the 9×9 grid so every row, column, and 3×3 box contains the digits 1 through 9. Every puzzle is uniquely generated from the current timestamp — no two refreshes give you the same game. Print any puzzle or save it as PDF for offline solving.

How to Play

  • Click or tap a cell to select it — your row, column & box are highlighted automatically.
  • Tap a number on the pad or press a key to fill in the digit.
  • Errors are shown in red instantly. Use Erase to clear a cell.
  • Toggle Notes to pencil in candidate numbers (like sudoku.com).
  • Stuck? Use Hint to reveal one correct cell.