Frequently Asked Questions About Playing on Web Sudoku

Who founded and operates Web Sudoku?

Web Sudoku was founded and is operated by Tony and Skyads. Since its launch in 2025, the site has quickly become one of the most popular Sudoku platforms on the Internet, attracting millions of unique visitors every month. If you have questions or feedback, you can contact the development team via the feedback page on the website.

Is Web Sudoku compatible with mobile phones and tablets?

Yes. Web Sudoku has been optimized to run smoothly on mobile devices and tablets such as iPhone, iPad, and Android devices. When using these devices, players will see a dedicated numeric keypad to make data entry easier. In addition, Web Sudoku offers a dedicated iPad app for a seamless and user-friendly puzzle-solving experience.

What are the basic rules of Sudoku?

Players must fill the numbers 1 through 9 into each cell so that every row, column, and 3×3 box contains all numbers from 1 to 9 without repetition.

What are the benefits of playing Sudoku?

Sudoku is not only entertaining but also helps train the brain, improve memory, and enhance logical thinking. Gradually conquering higher difficulty levels builds patience and the ability to overcome challenges.

Can a Sudoku puzzle have more than one solution?

Yes, as long as the solutions are based on logical reasoning. When multiple people solve the same puzzle, you may discover different solving strategies.

What challenges do beginners face?

Beginners often choose puzzles that are too difficult for their skill level. It’s best to start with easy levels to become familiar with the logic of the game.

Terms of Use

You are allowed to play and print unlimited Sudoku puzzles from Web Sudoku for personal use. However, all puzzles provided by Web Sudoku are protected by copyright and may not be copied, reused, or distributed in any form without permission.

An exception applies: puzzles printed directly from Web Sudoku may be copied in their entirety (without modification) for sharing with family, friends, or for classroom use. If you are unsure whether a specific action is permitted, please contact Web Sudoku for clarification.

Note: The use of scripts or automated tools to retrieve Sudoku data from Web Sudoku is strictly prohibited.

Web Sudoku is not responsible for the content or services provided by any external linked websites.

Privacy Policy

Web Sudoku values your online privacy. When you visit sudoku.com.vn, the system records only your IP address and browser information, and does not collect any other personal information unless you voluntarily provide it.

If you contact Web Sudoku, your email address will be kept strictly confidential and will not be shared, sold, or rented to any third party.

To improve your user experience, Web Sudoku uses browser cookies to save your preferences and game history. You can delete or disable cookies from sudoku.com.vn at any time by adjusting your browser settings.