Prepare yourself for the toughest Su Doku challenge there is. These diabolically difficult Ultimate Killer Su Doku puzzles will really put your brainpower to the test as you ‘warm up’ with the 100 Deadly Killer puzzles before steeling yourself to take on the 100 Extra Deadly Su Dokus. Are you ready for the challenge?
Not for the faint-hearted. The puzzles use the same 9×9 grid as a regular Su Doku, but have an extra mathematical element that multiplies the challenge. The aim is not only to complete every row, column and cube so that it contains the digits 1 to 9, but also to make sure that the outlined sections, called cages, add up to the number given in each cage. Warning: Not suitable for amateur puzzlers!Author: The Times Mind Games
Binding Type: Paperback
Publisher: Times Books UK
Published: 04/01/2023
Pages: 288
Weight: 0.44lbs
Size: 7.72h x 5.04w x 0.87d
ISBN: 9780008535872
Language: English
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