Generate New Puzzle [Page 2 of 15]

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The generation of new Sudoku puzzles is a key feature of Sudoku Dragon. You can also download new puzzles from our web site including all the hundreds of free daily puzzles.

When you generate a puzzle you have the option of choosing the level of difficulty from gentle to challenging. The hard puzzles vary enormously in difficulty as different players use a range of strategies for solving the puzzles, and so some will seem easy and some impossibly tricky.

You can also select from a wide range of grid sizes. The 9x9 is the most widely used size . The smallest 4x4 size is ideal for getting to know the basics while 20x20 offers a new level of challenge that can be truly daunting. Choose a size that matches your level of skill.

We offer a range of different forms of the Sudoku puzzle:

• The standard Sudoku puzzle you find in most puzzle books and newspapers.
• Our own special version which is the inclusion of a Stripe somewhere within the puzzle. This ensures that the puzzle will have one group with all the numbers (or letters) in order. So one row, column or region will be easier to solve. The order can be 1;2;3;4;5;6;7;8;9 or reversed 9;8;7;6;5;4;3;2;1 and it can be located anywhere in the grid. This makes the Sudoku puzzle a little more fun to solve as finding the stripe can be a useful new way of solving the puzzle. In a hard Sudoku puzzle with so few revealed squares it can be a struggle to discover where the stripe is located.
• Thirdly you can play Diagonal or X-Sudoku. In this variation both the diagonals in the puzzles have to have all the numbers once as well as the rows; columns and regions.
• Fourthly there is Word Sudoku. In this version letters are used instead of numbers. Somewhere in the grid in a row or column is a hidden nine letter word. By solving the puzzle the word is revealed. A new twist to Sudoku puzzle solving. Each time a different word is chosen from the thousands available.
• Lastly we provide Jigsaw or Squiggle Sudoku. This resembles standard Sudoku except that the regions are no longer rectangular they are all irregular. Each new puzzle you generate can have a different pattern of regions as these are chosen at random each time.

Normally for 9x9 puzzles you will want to use the numbers 0 to 9, but for larger grisd sizes there are not enough numbers and letters have to be used instead. If you prefer you can use letters for any size of gird - even 4x4.

The more advanced puzzle player might like to experiment with puzzles that are asymmetric. These do not have the attractive symmetric pattern but a random initial pattern. These puzzles can be much more difficult to solve. The repeated pattern can use rotational symmetry or mirror symmetry.

You can download Sudoku Dragon for a free 23 day trial and generate as many new puzzles as you like. Go to our download page.

• Tour Guide Introduction
• Generating a new Puzzle
• The square allocation list
• All forms of Sudoku
• Puzzle hints
• Annotating individual squares
• Explaining possible square assignments
• Showing possible square assignments
• Looking at possibilities
• Automatic allocation for 'easy' squares
• Marking Sudoku squares
• Contribute your puzzle
• Larger Sudoku grid sizes
• League Table
• Change grid appearance

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