Free sudoku PDF — 12 printable puzzles
A ready-to-print sudoku PDF you can download in one click. No account, no email, no watermark — just twelve clean 9×9 grids and their answers.
What's in the pack
- 12 classic 9×9 sudoku puzzles — 4 easy, 4 medium, and 4 hard.
- One puzzle per page, printed large so numbers are easy to write in.
- Full solutions at the back so you can check your work.
- Every puzzle has a single unique solution, verified by a solver.
Printing tips
- Choose “Fit to page” (or 100% scale) in your printer dialog for crisp grids.
- Black-and-white / grayscale printing works perfectly — no colour needed.
- Print just the puzzle pages first and save the solutions pages for later.
- Grab a pencil: the medium and hard puzzles reward pencil-marking candidates.
Sudoku PDF — frequently asked questions
Is this sudoku PDF really free?
Yes. The whole pack is free to download and print, with no signup and no watermark. Print it for yourself, your class, or your family.
How hard are the puzzles?
The pack ramps up: the four easy puzzles are great for beginners, the four medium puzzles need some pencil-marking, and the four hard puzzles call for real deduction chains.
Are the answers included?
Yes — every puzzle's full solution is printed on the solutions pages at the back of the PDF.
Does each puzzle have one answer?
Yes. Every grid is generated and then checked by a backtracking solver to guarantee exactly one unique solution.
Prefer to play online?
If you'd rather solve on screen, try our free browser puzzles — no download needed:
- Samurai sudoku — five overlapping 9×9 grids.
- Jigsaw sudoku — irregular regions instead of 3×3 boxes.
- Sudoku for kids — gentle 4×4 and 6×6 boards.
- Zebra puzzle — the classic logic-grid riddle.
- Nine Suspects — our daily murder-mystery logic puzzle.
- Printable murder mystery puzzle — a full case to solve on paper.