Killer Su Doku

Killer Su Doku by Aiia, published by HarperCollins Publishers Limited in 2006, is a 2nd edition that spans 192 pages. This book presents a series of challenging Su Doku puzzles designed to test and enhance your logical reasoning skills. The puzzles in this edition are particularly demanding, with an emphasis on tougher and more complex challenges that go beyond traditional Su Doku.
Readers will find that Killer Su Doku elevates the classic number-placing puzzle by incorporating arithmetic elements, requiring not only logical deduction but also mathematical calculations. The puzzles are organized into varying difficulty levels, including Gentle and Moderate puzzles for warm-up, while the focus remains on Tricky, Tough, and Deadly levels. This edition invites enthusiasts of games and activities, logic and brain teasers, and puzzles to engage with a unique twist on the popular pastime.
Official synopsis Publisher
Test your powers of logic with these challenging Su Doku puzzles.
Beware: The Times Killer Su Doku gets about as close as possible to the label ‘unputdownable’. In Book 2, the challenge continues with the emphasis on the tougher and more deadly puzzles. Prepare to be rattled.
Killer Su Doku takes the number placing puzzle to the next level by adding an element of arithmetic. One cannot rely on logic alone. The puzzle uses the same 9×9 grid but there is a double test. The aim is not only to complete every row, column and cube so that it contains the digits 1-9, the numbers within a second dotted-line grid have to add up to a specific total.
Included are some Gentle and Moderate puzzles to serve as a warm-up but the emphasis is on the Tricky, Tough and Deadly levels. The word ‘fiendish’ doesn’t even come close!
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