Welcome to our free impossible sudoku games. Fill in each square with a number, making sure no number repeats in each column or row. Check back every Sunday for a new puzzle or explore ones we ...

Find answers to the latest online sudoku and crossword puzzles that were published in USA TODAY Network's local newspapers.

Mathematicians have uncovered a powerful pattern known as the 'Phistomefel Ring' - and it's hidden in every Sudoku ever made. Best of all, puzzle experts say the pattern could help you solve ...

The winner will receive a Visa gift card for $1,000, a Crossword tote bag, a book and pencil set, plus a signed ...