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Many people incorrectly spell Sudoku as "Suduko" or "Sudoko". The correct English spelling is Sudoku - which means "single number" in Japanese
 
 
     
Suduko Review   >   Playing Sudoku   >   Variants   >   1  2  3  4  5  6  7
Related Pages:
1: Sudoku Variants

2: Different Symbols

3: Different Grid Sizes/Shapes

4: Sudoku X

5: Samurai Sudoku

6: Killer Sudoku

7: Multiplayer Sudoku

Killer Sudoku (also known as Samunamupure) is based on normal 9 X 9 Sudokus with the usual rules. However, there is one additional rule - there are dotted regions (sometimes called "cages") superimposed on the Sudoku grid, and the numbers in each region must add up to the total to the smaller number marked in the top left of the region.

For example - if there is a dotted region that is two cells across and one down and marked with a 6, you can deduce the cells must either contain a 5 and 1 (or vice-versa), or a 4 and 2 (or vice-versa) - they cells can not contain a 3 and 3 because of the Sudoku rule that you can't have the same number twice in the same row.

Killer Sudokus can be very tough to solve - and are an excellent new challenge if you're board with solving classic Sudoku.

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Killer Sudoku 1: The Deadly New Dimension

By Collins UK Staff

William Morrow Paperbacks
Released: 2006-01-24
Paperback (208 pages)

Killer Sudoku 1: The Deadly New Dimension
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Product Description:

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 Killer Su Doku Book 10

By HarperCollins UK

imusti
Released: 2014-10-14
Paperback (128 pages)

The Times Killer Su Doku Book 10
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  • Collins Publishers
Product Description:

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 tenth 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 digits 1-9, it is also necessary to ensure that the outlined cubes add up to the same number as well.

With 150 new Moderate, Tough and Deadly Killer Su Doku puzzles, there is no chance to ease yourself in with Easy puzzles. For those who like to live dangerously and push
beyond their mental comfort zone, steel yourself for The Times' next, terribly tough instalment.

Killer Sudoku Large Print

By Clarity Media

CreateSpace Independent Publishing Platform
Paperback (70 pages)

Killer Sudoku Large Print
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Product Description:
Welcome to this superb new selection of 100 killer sudoku puzzles, hand-picked for your solving pleasure!

The rules of killer sudoku are very simple, and are outlined below:

- Place each number from 1 - 9 exactly once in each row, column and 3x3 bold-lined box that comprise each grid

- The grid also contains sets of cells inside dashed lines (called ‘cages’). Each of these cages contains a number. This is the sum total of the cells inside the cage. Thus a ‘4’ means that the cells in that cage sum to 4. A number cannot be repeated within a cage, so a cage comprised of two cells that must total '4' can only contain 3 and 1 in some order, not 2 and 2, because that would involve repeating a digit.

A range of difficulties are included in this book, so you can start of with some easy killer sudoku, then move onto some moderate killer sudoku and finish off tackling some hard killer sudoku puzzles that are more challenging.

There are a range of different techniques required to solve killer sudoku, so good luck and happy solving! Every puzzle has a single solution that can be found without guessing - logic will always help you find the solution. Solutions are at the back of the book so you can check if you are right, or if not, find where you went wrong.

All of our books are printed on very high quality paper, making the puzzle experience all the more enjoyable.

For other puzzle books and gift ideas, visit www.puzzle-book.co.uk

Killer Sudoku 9x9 - Hard - Volume 4 - 270 Puzzles

By Nick Snels

CreateSpace Independent Publishing Platform
Paperback (180 pages)

Killer Sudoku 9x9 - Hard - Volume 4 - 270 Puzzles
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Product Description:

Killer Sudoku is a fun and addicting logic puzzle game that combines Sudoku with an addition math game. Killer Sudoku is a fun way for kids and adults to practice addition facts. In this book, you do not need to wade through tons of easy Killer Sudoku puzzles before getting to the real brain teasers. Once you pick up this book, you won’t be able to put it back down. You have been warned!

Killer Sudoku 9x9 - Hard is a collection of 270 puzzles:

  • 216 hard Killer Sudoku 9x9 puzzles
  • 54 extra logic puzzles

I guarantee that every logic puzzle in this Killer Sudoku puzzle book has been carefully checked to ensure that each puzzle has only 1 solution.

None of the puzzles in this book will appear in any of the other PuzzleBooks.net books.

Killer Sudoku is also known as Sums Sudoku, Sumdoku, Sum Doku, Addoku, Killer Su Doku, Samunamupure, Kikagaku Nampure, Samu Nanpure, Sums Number Place.

200 Killer Sudoku 5

By Lea Rest

udv
Paperback (102 pages)

200 Killer Sudoku 5
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200 Killer Sudoku.

The Times Ultimate Killer Su Doku Book 9: 200 of the Deadliest Su Doku Puzzles

By Times UK

imusti
Paperback (288 pages)

The Times Ultimate Killer Su Doku Book 9: 200 of the Deadliest Su Doku Puzzles
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Product Description:
These diabolically difficult Ultimate Killer Su Doku puzzles will really put your brain power 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. The puzzles use the same 9x9 grid as a regular Su Doku, but have an extra mathematical element. 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.

The Times Ultimate Killer Su Doku Book 3

By The Times Mind Games

Times Books
Released: 2011-09-29
Paperback (224 pages)

The Times Ultimate Killer Su Doku Book 3
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Product Description:

Specially compiled to provide the most devilishly difficult challenge, Ultimate killer Su Doku 3 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 Dokus 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 20 Extra Deadly Su Dokus. Are you ready for the challenge?

The Times Ultimate Killer Su Doku 3 is not for the faint-hearted. The puzzles use the same 9x9 grid as a regular Su Doku, but have an extra mathematical element that makes them a real 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.

If you survived the first two collections of Ultimate Killer Su Doku, then you might be ready to take on the third.

Warning: Not suitable for amateur puzzlers.

The Times Killer Su Doku Book 11: 150 Lethal Su Doku Puzzles

By Times UK

imusti
Released: 2015-05-19
Paperback (256 pages)

The Times Killer Su Doku Book 11: 150 Lethal Su Doku Puzzles
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  • HarperCollins UK
Product Description:
The newest volume in the Killer Su Doku series, featuring the highest-quality puzzles with an extra element of arithmetic

This 11th addition to the successful Times Killer Su Doku series will test puzzlers' 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 digits 1 thru 9, it is also necessary to ensure that the outlined cubes add up to the same number as well. With 150 new Moderate, Tough, and Deadly Killer Su Doku puzzles, there is no chance to ease in with Easy puzzles. For those who like to live dangerously and push beyond their mental comfort zone, steel yourself for the Times' next, terribly tough installment.

200 Killer Sudoku 1

By Lea Rest

udv
Paperback (102 pages)

200 Killer Sudoku 1
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200 Killer-Sudoku

The Official Book of Killer Sudoku: 120 Puzzles from Lite to Truly Killer

By Steve Arons

Plume
Released: 2006-06-01
Paperback (208 pages)

The Official Book of Killer Sudoku: 120 Puzzles from Lite to Truly Killer
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  • ISBN13: 9780452287952
  • Notes: BRAND NEW FROM PUBLISHER! 100% Satisfaction Guarantee. Tracking provided on most orders. Buy with Confidence! Millions of books sold!
Product Description:
Now in color!

Can this really be Sudoku? All of the regular rules apply—with a twist. You’ll start with a blank grid and some simple number clues. With logic as your only weapon, you’ll unlock the puzzle. That’s when the Sudoku rules come into play. It’s two games in one—and twice as addictive as the original.

Classic lines, simple rules, a fascinating challenge—Killer Sudoku isn’t more difficult, it’s just a more satisfying puzzle experience.
·         Play ranges from “Killer Lite” to “Truly Killer”
·         Rules, Tips, and Strategies
·         Color Puzzles


 
 
   
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