---
title: "Printable sudoku puzzles with solutions: free | Once Books"
description: "Free printable sudoku puzzles with solutions, by difficulty. Easy, medium, hard, expert and evil grids you can generate and print in one click. No sign-up."
source: "https://www.oncebooks.com/sudoku"
---

Free printables

# Printable sudoku with solutions

Pick a difficulty, generate a printable board and its solution, and print two pages. Every puzzle has exactly one solution, built by the same engine behind our KDP sudoku maker.

## By difficulty

- [Easy sudoku](https://www.oncebooks.com/sudoku/easy) — Free printable easy sudoku with the solution. Around forty starting numbers for a relaxed solve, on an 8.25 by 11 inch page with the answer on page two.
- [Medium sudoku](https://www.oncebooks.com/sudoku/medium) — Free printable medium sudoku with the solution. A balanced grid for everyday solving, with exactly one solution and the answer key on page two.
- [Hard sudoku](https://www.oncebooks.com/sudoku/hard) — Free printable hard sudoku with the solution. Around thirty starting numbers for a real challenge, still exactly one solution, answer key included.
- [Expert sudoku](https://www.oncebooks.com/sudoku/expert) — Free printable expert sudoku with the solution. Around 27 starting numbers for experienced solvers, with a single guaranteed solution and answer key.
- [Evil sudoku](https://www.oncebooks.com/sudoku/evil) — Free printable evil sudoku with the solution. Our hardest grade with the fewest starting numbers, always uniquely solvable, with the answer on page two.

## By format

- [Large print sudoku](https://www.oncebooks.com/sudoku/large-print) — Free printable large print sudoku with the solution. A big, easy-to-read grid at 8.25 by 11 inches, printed with its answer key on the second page.
- [Printable sudoku](https://www.oncebooks.com/sudoku/printable) — Free printable sudoku with the solution, ready in one click. Print two clean pages at 8.25 by 11 inches, or save a PDF. No sign-up, no watermark.
- [Sudoku for kids](https://www.oncebooks.com/sudoku/for-kids) — Free printable sudoku for kids with the solution. Easy grids to build logic and number skills, printed with the answer key for checking together.
- [Sudoku for beginners](https://www.oncebooks.com/sudoku/for-beginners) — Free printable sudoku for beginners with the solution. Gentle easy grids to learn the basics, each printed with its answer key on the second page.

## Buy a finished sudoku book

Large-print sudoku graded easy to evil, with full solutions. Paperback on Amazon.

- ![Easy Sudoku Puzzle Book for Adults: 100 Large Print Puzzles for Beginners](https://images-na.ssl-images-amazon.com/images/P/B0HK45M69J.01._SCLZZZZZZZ_.jpg)

  ### Easy Sudoku Puzzle Book for Adults: 100 Large Print Puzzles for Beginners

  Printed bookEasy

  100 large-print easy sudoku puzzles for beginners, with complete solutions.

  [Buy on Amazon](https://www.amazon.com/dp/B0HK45M69J?ref=oncebooks-site)
- ![Medium Sudoku Puzzle Book for Adults: 100 Large Print Puzzles to Challenge Your Logic](https://images-na.ssl-images-amazon.com/images/P/B0HKZTLTDV.01._SCLZZZZZZZ_.jpg)

  ### Medium Sudoku Puzzle Book for Adults: 100 Large Print Puzzles to Challenge Your Logic

  Printed bookMedium

  100 large-print medium sudoku puzzles to challenge your logic, with complete solutions.

  [Buy on Amazon](https://www.amazon.com/dp/B0HKZTLTDV?ref=oncebooks-site)
- ![Hard Sudoku Puzzle Book for Adults: 100 Large Print Puzzles for Experienced Solvers](https://images-na.ssl-images-amazon.com/images/P/B0HK1BJ24G.01._SCLZZZZZZZ_.jpg)

  ### Hard Sudoku Puzzle Book for Adults: 100 Large Print Puzzles for Experienced Solvers

  Printed bookHard

  100 large-print hard sudoku puzzles for experienced solvers, with complete solutions.

  [Buy on Amazon](https://www.amazon.com/dp/B0HK1BJ24G?ref=oncebooks-site)

[View all 6 books](https://www.oncebooks.com/shop/sudoku)

## Want a whole book to sell?

Use the [free generator](https://www.oncebooks.com/tools/sudoku-generator) for a single puzzle, or the [KDP sudoku maker](https://www.oncebooks.com/kdp-sudoku-maker) to publish hundreds of graded puzzles as a print-ready book.