They baffle, delight, and frustrate millions of people around the world on a daily basis. But even the most dedicated Sudoku-solver might have never spotted this secret pattern. Mathematicians ...

and a substantial knowledge of Sudoku solving techniques. Once you know these Sudoku tips, you will be able to solve even the ...

To solve your puzzle, enter the initial values from your puzzle into the grid below. Then, click and hold down "Solve." Puzzle solver developed by Mark Huckvale at University College London.

We are excited to present old favorites, like our Daily Crossword and Daily Sudoku, and recently added Word Searches. Enjoy! Sudoku is a cross-number crossword that will definitely challenge your ...

We are excited to present old favorites, like our Daily Crossword and Daily Sudoku, and recently added Word Searches. Enjoy! All the numbers 1-9 must appear in every row, column and 3×3 section.