Sudoku Help - Guide Choice

Here's a page from the extensive help system for Sudoku Dragon. It is available as a help screen when running the program. To get the full picture Download our Sudoku Dragon and see the screen in its context.

We now offer an alternative product only available for download from Microsoft Store. This shares many features but not all of them. For documentation of the SudokuDragon for Store version see its separate help section.

If you would like help in learning the basics of Sudoku or using the Sudoku Dragon puzzle solver we have created a number of step by step guides.

The list gives a brief description of all the available guides, simply select the guide from the list and press Start or double click on the item.

Topics include :

How to solve a puzzle with Sudoku Dragon.
Marking possibilities with Sudoku Dragon.
Solving a gentle 4x4 puzzle step by step.
Solving a gentle 9x9 puzzle step by step.
Solving a moderate 9x9 puzzle step by step.
Solving a complete moderate 9x9 puzzle step by step using the 2 out of 3 strategy.
Using the only square allocation rule.
Using the only choice allocation rule.
Using the naked twin exclusion rule.
Using the excluded sub-group rule.
Using the hidden twin exclusion rule.
Using the hook rule.
Using the naked chain rule.
Using the naked triplet exclusion rule.
Using the alternate pair allocation rule.
Using the X-Wing exclusion rule.

Choosing a tutorial