Sudoku puzzles

Learn all about Sudoku puzzles with our in-depth information about Sudoku, its fascinating origins, solution strategies (up to advanced level) and theory.

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

Every day we publish unique, free puzzles on this site (Standard, Word, Samurai and Jigsaw types) that can also be picked up automatically with your news reader.

A unique variation of the basic puzzle is provided here, each Sudoku can include the Sudoku Stripe - which adds a new twist to solving Sudokus.

Today's Dragon Tip

Color marking
For really tricky puzzles you may need to mark squares to let you see patterns to help solve them. Sudoku Dragon has six different colors available for use and the color allocation can be undone and re-done just like setting square possibilities.
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Sudoku puzzle solver

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

Today’s Quotation

“The true spirit of delight, the exaltation, the sense of being more than Man, which is the touchstone of the highest excellence, is to be found in mathematics as surely as in poetry.”

Bertrand Russell (Mysticism and Logic) 1917

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