Killer Sudoku 1
Killer Sudoku 1

Author: Collins UK Staff

Publisher: Harper Collins

Published: 2006-01-24

Total Pages: 210

ISBN-13: 0061126470

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Just when you thought it was safe to pick up a pencil Killer Su Doku is based on the original Su Doku grid, with the same rules and numbers—1 to 9—but with an added deadly twist. This time there is an element of arithmetic involved and there are few, if any, clues. The aim is to not only complete every row, column, and cube so that it contains the digits 1 to 9, but to also fill in the outlined cubes so they add up to the same number. Hints to solve the puzzle are hidden in the joined squares where only one combination of numbers applies. In the case of joined squares, if the printed number is 3, it should be 1 and 2 that go into the squares. Likewise, in the case of three joined squares, if the printed number is 6, the only combination possible is 1, 2, and 3. To add one final fiendish level, each puzzle also has a time worked out by its Japanese creators so you can try to beat the clock.

The Times Ultimate Killer Su Doku Book 12: 200 of the Deadliest Su Doku Puzzles (the Times Su Doku)
The Times Ultimate Killer Su Doku Book 12: 200 of the Deadliest Su Doku Puzzles (the Times Su Doku)

Author: The Times Mind Games

Publisher: Times Books

Published: 2020-01-09

Total Pages: 0

ISBN-13: 9780008342937

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Specially compiled to provide the most deadly Su Doku challenge, this is the only volume for Su Doku enthusiasts who need a puzzle that really tests their mettle.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 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!

Killer Su Doku
Killer Su Doku

Author: The Times Mind Games

Publisher: HarperCollins UK

Published: 2005

Total Pages: 228

ISBN-13: 0007223633

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Killer Su Doku poses an even greater challenge than the Fiendish Su Doku puzzles.Here are 100 previously unpublished puzzles for hard-core Su Doku addicts.

The Virgin Book of Killer Sudoku
The Virgin Book of Killer Sudoku

Author: Virgin Books

Publisher: Random House

Published: 2006

Total Pages: 146

ISBN-13: 0753511584

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If you thought Sudoku was difficult, wait until you try Killer Sudoku! The next step up from normal Sudoku, the Killer puzzles use the same grid as Sudoku and require the reader to fill in the numbers 1 to 9 as before. But this time the numbers in the outlined boxes must also all add up to a specific number. Already hugely popular in the national press, the puzzles are a must for Sudoku fans. With five difficulty ratings, from 'very easy' to 'deadly', the 100 brand new Killer Sudoku puzzles in this book will provide a challenge to the most ardent Sudoku addict.

Will Shortz's Favorite Sudoku Variations
Will Shortz's Favorite Sudoku Variations

Author: Will Shortz

Publisher: Macmillan

Published: 2006-02-07

Total Pages: 132

ISBN-13: 9780312360146

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The "New York Times" crossword editor and puzzlemaster takes Sudoku to a whole new level with this collection featuring 100 brand-new (and just as addictive) puzzles, including kakuro.

Krazydad Two Not Touch Volume 1: 360 Star Battle Puzzles to Preserve Your Sanity in These Trying Times
Krazydad Two Not Touch Volume 1: 360 Star Battle Puzzles to Preserve Your Sanity in These Trying Times

Author: Jim Bumgardner

Publisher: Krazydad Two Not Touch

Published: 2020-07-27

Total Pages: 92

ISBN-13: 9781946855367

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From krazydad, constructor of the wildly popular and addictive puzzles published in The New York Times as Two Not Touch, here are 360 of your favorite Star Battle puzzles. These puzzles will provide a healthy diversion for you in these challenging times, and help you make it to the other side with your sanity intact! Includes an instructive and pithy tutorial.

The Times Super Fiendish Su Doku Book 1
The Times Super Fiendish Su Doku Book 1

Author: The Times Mind Games

Publisher: CollinsUK

Published: 2014-12-16

Total Pages: 0

ISBN-13: 9780007580743

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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.

The Times Killer Su Doku Book 15: 200 Challenging Puzzles from the Times (the Times Su Doku)
The Times Killer Su Doku Book 15: 200 Challenging Puzzles from the Times (the Times Su Doku)

Author: The Times Mind Games

Publisher: Times Books

Published: 2019-05-02

Total Pages: 288

ISBN-13: 9780008285470

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The latest volume in the hugely popular Killer Su Doku series from the puzzle suppliers to The Times, featuring the highest-quality puzzles with an extra element of arithmetic. This addition to the successful Times Killer Su Doku series will test your skills to the limit, adding the challenge of arithmetic and taking Su Doku to a new and even deadlier level of difficulty.

The Art of Puzzles
The Art of Puzzles

Author: Thomas Snyder

Publisher:

Published: 2017-02-13

Total Pages:

ISBN-13: 9780985009434

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The Art of Puzzles is a collection of mental masterpieces from the world's most talented puzzle designers. With ten genres of logic puzzles and over 270 puzzles in total, this book has a great mix of challenges including shading puzzles (Tapa and Nurikabe), loop puzzles (Masyu and Slitherlink), number placement puzzles (Skyscrapers and TomTom), object placement puzzles (Star Battle and Battleships), and region division puzzles (Cave and Fillomino). Each section has a mix of very easy to fiendishly hard puzzles, with hints for every puzzle to help you to become a better logic puzzler.

The Times Killer Su Doku Book 17
The Times Killer Su Doku Book 17

Author: The Times Mind Games

Publisher: Times Books

Published: 2021-05-06

Total Pages: 288

ISBN-13: 9780008404338

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The latest volume in the hugely popular Killer Su Doku series from The Times, featuring the highest-quality puzzles with an extra element of arithmetic. This addition to the successful Times Killer Su Doku series will test your skills to the limit, adding the challenge of arithmetic and taking Su Doku to a new and even deadlier level of difficulty. The puzzles use the same 9x9 grid as Su Doku but with an added mathematical challenge. The aim is not only to complete every row, column and cube so that it contains the numbers 1-9, it is also necessary to ensure that the outlined cubes add up to the same number as well. With 200 new Moderate, Tricky, Tough and Deadly Killer Su Doku puzzles, there is no chance to ease yourself in with simple puzzles. For those who like to live dangerously and push beyond their mental comfort zone, steel yourself for The Times' next, terribly tough installment.