Free Printable Sudoku Puzzles

Classic 9x9 Sudoku - Download PDF worksheets

About Printable Sudoku Puzzles

Sudoku is the world's most popular logic puzzle. Fill a 9x9 grid so that each row, column, and 3x3 box contains the digits 1 through 9 exactly once. No math is required - just pure logical deduction.

How to Solve Sudoku

  • Rows: Each row must contain digits 1-9 with no repeats.
  • Columns: Each column must contain digits 1-9 with no repeats.
  • 3x3 Boxes: Each bold-outlined 3x3 box must contain digits 1-9 with no repeats.
  • Scanning: Look for cells where only one digit is possible.

Difficulty Levels

  • Easy: More given numbers, straightforward solving techniques.
  • Medium: Requires more scanning and elimination.
  • Hard: May require advanced techniques like X-Wing or Swordfish.

Play Sudoku Online

Enjoy interactive solving with hints, undo, and progress tracking.