Free Printable Sudoku Puzzles

Clean black-and-white Sudoku sheets with answer keys on a separate page, ready to print or save as PDF straight from your browser. Every puzzle's difficulty is verified by a solver — pick a level below, or play online with pencil marks and hints instead.

1. Printable Easy Sudoku →

   6 puzzles with answer keys · hardest move: Naked Single

2. Printable Medium Sudoku →

   6 puzzles with answer keys · hardest move: Naked Pair

3. Printable Hard Sudoku →

   6 puzzles with answer keys · hardest move: Hidden Triplet

4. Printable Expert Sudoku →

   6 puzzles with answer keys · hardest move: X-Wing