Times Ultimate Killer Su Doku Book 13: 200 of the Deadliest Su Doku Puzzles

This is the only volume for Su Doku enthusiasts who need a puzzle that really tests their mettle. It includes 100 Deadly Killer Su Doku puzzles and 100 Extra Deadly Su Dokus,which use the same 9x9 grid as a regular Su Doku but have an extra mathematical element that multiplies the challenge. Warning: Not suitable for amateur puzzlers!

Format: Paperback / softback
Length: 288 pages
Publication date: 07 January 2021
Publisher: HarperCollins Publishers

Prepare to face the ultimate Su Doku challenge! This is the only volume for passionate Su Doku enthusiasts who crave a puzzle that truly pushes their mental limits. Brace yourself for the most demanding Su Doku experience imaginable. These devilishly tricky Ultimate Killer Su Doku puzzles will put your cognitive abilities to the ultimate test as you embark on a thrilling journey with the 100 Deadly Killer puzzles. But that's not all—get ready to face an even more daunting challenge with the 100 Extra Deadly Su Dokus. Are you ready to take on the challenge?

For those with a strong heart and a fearless spirit, this is not for the faint-hearted. The puzzles follow the same 9x9 grid as a regular Su Doku, but an additional mathematical element adds a layer of complexity that multiplies the difficulty. Your objective is not just to fill every row, column, and cube with the digits 1 to 9 but also to ensure that the outlined sections, known as cages, add up to the number specified in each cage.

Caution: This is not a puzzle for amateur puzzlers!

Weight: 206g
Dimension: 128 x 197 x 21 (mm)
ISBN-13: 9780008404277