There are 500 Sudoku puzzles overlapping into 100 Samurai Style puzzles. Samurai Sudoku puzzles consist of five overlapping sudoku grids and follows the same ru

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From krazydad, constructor of the wildly popular and addictive puzzles published in The New York Times as Two Not Touch, here are 360 of your favorite Star Batt

If you want to learn the basics of playing Sudoku puzzles quickly and easily for newbies and beginners, then get this "How To Play Sudoku" guide. In this step-b

200+ supercharged Sudoku to test your skills--and boost your brainpower! Whether you're already a pro or you're looking to build your abilities, The Toughest Su