The puzzles in this collection of treacherously difficult puzzles will stretch even the most advanced Su Doku enthusiast. You will need to use all of your best solving techniques to get to the end of this testing challenge.The puzzles in the collection are of the highest quality and are perfect for the advanced solver in need of a constant supply of ultra-difficult puzzles.Guaranteed to provide hours of mind-stretching entertainment.
A new title in the Fiendish Su Doku series, concentrating entirely on the more difficult Super Fiendish puzzles. These are previously unpublished quality Su Doku grids from the puzzle providers to The Times, and help to develop you to take on Extreme Su Doku.
A new title in the Fiendish Su Doku series, concentrating entirely on the more difficult Super Fiendish puzzles These previously unpublished quality Su Doku grids from the puzzle providers to the Times will help extreme puzzles who are looking for a real puzzling challenge. The treacherously difficult puzzles in this collection will stretch even the most advanced Su Doku enthusiast to use all of their best solving techniques. These puzzles are of the highest quality and are perfect for the advanced solver in need of a constant supply of ultra-difficult puzzles. They are guaranteed to provide hours of mind-stretching entertainment.