Free Printable Sudoku Puzzles

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.