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

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

This popular, even more challenging variant of sudoku is for true puzzle warriors! Each one consists of FIVE sudoku grids arranged in an X-shaped array, with ov

Stretch your brain and keep your mind young with the challenging, the ultimate boredom killer, the Super Samurai Sudoku puzzles in this book. 1300+ Sudoku Puzzl

The puzzles in this collection of treacherously difficult puzzles will stretch even the most advanced Su Doku enthusiast. You will need to use all of your best