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Dragon

Today's Dragon Tip

Tentative impossibilities
To change the tentative impossibilities (numbers that can not go in a square) just press CTRL and the number you want to add or remove to the current square. To clear all tentative possibilities and impossibilities from the current square press the F7 key.
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Sudoku puzzles

Our web site has all you need to know about the Sudoku puzzle. We have in depth information about Sudoku, its interesting origins, solution strategies (up to advanced level) and Sudoku theory.

Let our animated guides take you step-by-step through the many and varied strategies for solving Sudoku puzzles.

Sudoku Dragon is a sophisticated progam that generates and solves Sudoku Puzzles on your PC. It is free for you to download and try.

Every day we publish brand new, free puzzles on this site (Standard, Word and Jigsaw types) that can also be sent to you by e-mail or into your news reader. Our daily puzzles can be fetched directly by the Sudoku Dragon puzzle solver.

We have added a new variation of the basic Sudoku puzzle, Each Sudoku puzzle we generate can include our unique feature - the Sudoku Stripe. Making solving our puzzles more interesting. The program also provides diagonal (or X_Sudoku), Word Sudoku and Squiggle (or Jigsaw) Sudoku puzzles.

Why not take a quick online tour of the features of the Sudoku Dragon program. The program gives easy to follow explanations as to why certain squares can only take certain possible allocations including the more complicated twin exclusion rules, X-Wing and alternate pairs. It lets you download new puzzles or generate your own unique ones. Has a full range of display styles to select a range of colors and styles. Helps you find a solution to that frustrating Sudoku puzzle using our battery of analysis options. You can undo and redo square allocations which are listed for easy recall of what you allocated where. Try the software for free for 23 days. Easy internet purchase which include one year of free program upgrades. Supports a whole range of puzzle grid sizes from the very small 4x4; through the standard 9x9 to the formidable 16x16 and 20x20 puzzles.

Sudoku Dragon in action

Our message board forums is full of help and you can join for free and help out other puzzle solvers too.

The news page is updated each day with the latest news stories about Sudoku.

Number 8

Today’s Quotation

“No rule is so general which admits not some exception.”
Robert Burton (The Anatomy of Melancholy) 1621

Sudoku in the News
The smartphone maker's WebOS Plug-in Development Kit enters its public beta phase, and Palm shows off some games built by PDK developers.
Palm pushes WebOS plug-in kit (CNET)
Tue, 09 Mar 2010 17:07:35 GMT
For more news stories provided by Yahoo! please visit our news page.

Sudoku Dragon offers the best range of features for both the newbie and expert. It will solve and generate puzzles of all sorts of sizes. Read more...