The Times Ultimate Killer Su Doku. Book 10

Name: The Times Ultimate Killer Su Doku. Book 10
Author: The Times Mind Games
ISBN: 9780008241193

by The Times Mind Games

ISBN: 9780008241193

Published: 2018-01-11

Sudoku

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 150 Deadly Killer puzzles before steeling yourself to take on the 50 Extra Deadly Su Dokus. Are you ready for the challenge? These are not for the faint-hearted. The puzzles use the same 9x9 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!

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