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

Tentative possibilities
To change the tentative possibilities just press SHIFT and the number you want to add to the current square. To clear all tentative possibilities from the current square press the F7 key.
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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

“There is no failure except in no longer trying.”

Elbert Hubbard (The Note Book) 1927

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