Frequently Asked Questions

What is Sudoku and how do you play?

Sudoku is a pattern-matching puzzle with one rule: place the numbers 1 through 9 such that there is only one of each in every row, column and 3x3 box. There are many strategies and rules of logic that come out of this very simple rule and are what make Sudoku such a compelling experience. For more information, go here.

What is the Zen of Sudoku?

The Zen of Sudoku removes the tedium and difficulty of Sudoku and focuses on the relaxing, satisfying aspects of it. It is designed to be the most pleasant way to play for both beginners and experienced Sudoku masters.

What are the system requirements?

You need a PC with mouse and keyboard running Windows, along with 64 megabytes of RAM and 50 megabytes free hard drive space. You also need an internet connection to enter your license key (you only need it once).

If you have any concerns about whether the game works well enough on your system, just download the free trial and find out!

I lost my activation code, didn't receive my activation code or would like a refund, can you help?

Sure, just go here.

Will you release a Macintosh version?

We've had many requests for a Macintosh version and the conversion is in progress. It's no small amount of work but we hope it won't be more then a few months away. If you have questions, comments or want to help with testing, please contact Morgan.

Can you tell me more about how Zen of Sudoku was made?

Zen of Sudoku was made by:

Check my blog entry here for some more background on the project. The website for the company behind Zen of Sudoku is here.

Does the game support "pencil marks"?

Yep, just right-click. You can also hold shift while left-clicking.

How about hints?

Definitely. Not only will the game give you hints, but it will also give you detailed hint explanations so you'll learn even advanced Sudoku techniques! Just click the Hint button in the upper-right while playing. The Hint button turns into an Explain button if you want to learn the strategy behind the hint.

Is there a web version coming?

There is in fact a free Flash version of Zen of Sudoku in development. I don't know when it will be ready though.

Can you give me some info about older versions of Zen?

Sure, check the version history.

How many puzzles are in the game?

The game uses a special algorithm to generate its own unique puzzles so you can play forever without any repeats.

Is there any spyware/adware/garbage in Zen of Sudoku?

Nope. The beta version of the game logged some usage statistics to help me improve the game but this is gone now.