Welcome to doku

From sudoku lovers to sudoku lovers. Welcome to Doku, a one stop for everything sudoku: discover books, challenges and useful articles on our favourite game.


About Doku

Doku is a company that specializes in creating high-quality, engaging books on Sudoku. Our passion for Sudoku began with our love for the game and its ability to provide a fun, mentally stimulating challenge for all ages.

At Doku, we believe that Sudoku is not just a game, but a way of life. We understand the joy and satisfaction that comes with solving a difficult puzzle and we strive to share that feeling with our readers.

Want to learn more about us? Jump into the about page.

Our collections

At Doku we create book collections with amazing puzzle for you to solve. If you don't know where to start with our books, we recomend to you Doku Prime.

Doku Prime is our flagship series of Sudoku books that focuses on introducing the game to beginners and helping them master the basics. Our books are designed to take you on a step-by-step journey through the world of Sudoku, starting with simple puzzles and gradually increasing in difficulty.

This collection of books is the perfect starting point for anyone who wants to learn how to play Sudoku. They are designed to be easy to understand and offer clear and concise instructions for each puzzle. We carefully select puzzles that are both fun and challenging, but not so difficult as to be discouraging for newcomers to the game.

In addition to traditional Sudoku puzzles, our Doku Prime books also include a range of variant puzzles, including Mini-Sudoku, Samurai Sudoku, and Killer Sudoku, among others. These variants provide an opportunity for readers to explore the many different types of Sudoku puzzles and develop new strategies for solving them.

Whether you're new to the game or an experienced player looking to expand your skills, Doku Prime is the perfect series for you. Our books offer a comprehensive and enjoyable introduction to Sudoku and its many variations, ensuring that you'll never run out of exciting puzzles to solve.

Our challenges

At Doku, we are passionate about pushing the limits of what is possible with Sudoku. That's why we offer a weekly challenge that combines different Sudoku variants to create never-before-seen puzzles that are both challenging and entertaining.

Our weekly challenges are designed for experienced Sudoku players who are looking for a new and exciting puzzle to solve. Each challenge is carefully crafted to be the ultimate test of your Sudoku skills, featuring complex combinations of different Sudoku variants that require a sharp mind and a keen eye for detail to solve.

To keep up to date with our latest challenges, viewers can subscribe to our newsletter, where we send weekly updates about the newest puzzles available. By subscribing to our newsletter, you'll be the first to know about the latest and greatest Sudoku challenges and will have the chance to show off your skills and compete with other Sudoku enthusiasts from around the world.

At Doku, we believe that Sudoku is a game that should be constantly evolving and improving, which is why we are dedicated to creating new and challenging puzzles every week. Whether you're a seasoned Sudoku pro or just looking for a new and exciting challenge, our weekly challenges are sure to provide you with endless hours of brain-teasing fun. So why not subscribe to our newsletter today and be the first to take on our latest and greatest Sudoku challenge?