Mathematicians say a hidden pattern called the 'Phistomefel Ring' can help you solve even the most challenging Sudoku puzzle much faster.

Impossible Sudoku Sudoku fans, it’s time to really crunch some numbers. Give your mind the ultimate test on the most difficult numbers puzzle each day — and challenge yourself to make the ...

Imagine that a typical 9-by-9 Sudoku puzzle (in which the numbers 1 through 9 must appear exactly once in each row, column, and square) has been transformed into a 25-by-25 grid. The number of ...

Some are easy to figure out, like the clues in a newspaper’s Monday crossword, a beginner’s Sudoku grid or cryptogram. Others are more difficult. But one puzzle that has proved impossible to ...

SpellTower and Card of Darkness creator Zach Gage has entered the world of sudoku, with Good Sudoku on the iPhone and iPad.

Miracle Sudoku features beautiful puzzles that at first glance look impossible to solve!! Indeed, some of our Miracle puzzles have as few as two givens digits (!) but you will find them all to be ...

Watch this 25-minute long video of Simon Anthony, host of the sudoku YouTube channel Cracking the Cryptic, solving what appears to be an entirely impossible puzzle. The slow, methodic solving ...

Making Sudoku puzzles less puzzling Date: October 11, 2012 Source: University of Notre Dame Summary: For anyone who has ever struggled while attempting to solve a Sudoku puzzle, mathematicians are ...

Not just a human pursuit The appeal of sudoku has spread to the prokaryotic world. A strain of Escherichia coli bacteria can now solve the logic puzzles – with some help from a group of students ...