Sudoku gives you an endless supply of random, unique, original Sudoku puzzles to play within the program or print out to take with you. If you prefer, you can "dub" in ones you find in the newspaper.

Download Now for Free

Sudoku is now unsupported but free for everyone. You may use the following registration code to continue to play beyond the free trial period. Enter it when prompted upon the expiration of the trial, or immediately via the "Enter key..." option of the File menu. We suggest you copy and paste both the name and the key.

Name: Sudoku Player
The "Enter key..." window should look like this:

Entering the code

Current Version

Sudoku screenshot

Sudoku has been updated to version 1.1. If you already have Sudoku 1.00.04 or earlier installed, you can just download and install the new trial and it will update your existing installation. If you have a registered copy, your registration will be retained after the update.

New features:

Bugs fixed:


To run Sudoku, your computer will need:

The installation process may detect that your computer is missing components which are needed by Sudoku. If so, you will be asked if you want to download the missing components. If you agree, your computer will be automatically upgraded and modernized. The components ("prerequisites") which may be needed are:

Sudoku is a Windows-only program and is for Windows-native computers. Sudoku is not supported on computers running Windows-emulation programs. Specifically, Sudoku is not supported on Macs running Virtual PC.

Sudoku does not carry or download adware or spyware. Nor does it log on to the Internet unless you specifically click an obvious link. The program does not require an Internet connection for normal play.