A Sudoku is a puzzle involving a 9x9 grid into which the ... Satisfying these rules is what makes Sudokus a challenge - but it also creates a few mathematic patterns for us to exploit.

You can now play a range of puzzles on our site, from sudoku to crosswords, every weekday. The puzzles will update every weekday at midnight so make sure you bookmark the links to play. Select ...

There’s an undeniable sense of triumph that comes with completing a challenging Sudoku puzzle. As you fill in the final digit ...

You can now play a range of puzzles on our site, from sudoku to crosswords, every weekday. The puzzles will update every weekday at midnight so make sure you bookmark the links to play. Select ...

Known as the “Godfather of Sudoku,” Kaji created the puzzle to be easy for children and others who didn’t want to think too hard. Its name is made up of the Japanese characters for “number ...