We have updated our Privacy Policy Please take a moment to review it. By continuing to use this site, you agree to the terms of our updated Privacy Policy.
The ultimate test of logic, these challenging puzzles take sudoku to a whole new level. The killer sudoku is a favourite in the Telegraph newspaper and with puzzles across a range of difficulties included in the book, whether you’re a seasoned expert or new to the game, you’re sure to be utterly hooked.
