Sudoku 15 X 15 50 Easy Sudoku Puzzles

Download Sudoku 15 X 15 50 Easy Sudoku Puzzles PDF Online Free

Author :
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781979754286
Total Pages : 78 pages
Book Rating : 4.7/5 (542 download)

DOWNLOAD NOW!


Book Synopsis Sudoku 15 X 15 50 Easy Sudoku Puzzles by : Jacob James

Download or read book Sudoku 15 X 15 50 Easy Sudoku Puzzles written by Jacob James and published by Createspace Independent Publishing Platform. This book was released on 2017-11-15 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt: Place numbers from 1 to 15 in each empty cell. Every column, every row and every 3 x 5 box should contain one of each number.

How to Play Sudoku

Download How to Play Sudoku PDF Online Free

Author :
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781539314769
Total Pages : 218 pages
Book Rating : 4.3/5 (147 download)

DOWNLOAD NOW!


Book Synopsis How to Play Sudoku by : Howexpert Press

Download or read book How to Play Sudoku written by Howexpert Press and published by Createspace Independent Publishing Platform. This book was released on 2016-10-02 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: If you want to learn the basics of playing Sudoku puzzles quickly and easily for newbies and beginners, then get this "How To Play Sudoku" guide. In this step-by-step guide, you will rep the following benefits: - Be familiar with the the game rules. - Learn the basic way of doing Sudoku. - Get useful tips in solving Sudoku puzzle. - Be able to solve Sudoku puzzle in the shortest time possible. - Learn how to appropriately choose a candidate. - Solve different levels of Sudoku puzzle. - Amaze your friends and family to your new found hobby of solving sudoku. - And much more! Click "Buy Now" to get it now!

Big Book of Sudoku - Medium to Hard - 1000 Puzzles

Download Big Book of Sudoku - Medium to Hard - 1000 Puzzles PDF Online Free

Author :
Publisher :
ISBN 13 : 9781710844481
Total Pages : 230 pages
Book Rating : 4.8/5 (444 download)

DOWNLOAD NOW!


Book Synopsis Big Book of Sudoku - Medium to Hard - 1000 Puzzles by : Beeboo Puzzles

Download or read book Big Book of Sudoku - Medium to Hard - 1000 Puzzles written by Beeboo Puzzles and published by . This book was released on 2019-11-23 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Ultimate Challenge Sudoku Puzzle Book Grab this massive bargain bonanza of classic Sudoku puzzles of varying difficulty levels, expertly crafted and graded. There are plenty of puzzles to enjoy in this jumbo compilation, with 2 different levels of difficulty, which makes it suitable for intermediate and advanced sudoku players in love with this super addictive game: 500 Medium puzzles for intermediate players or as a warm up for experts 500 Hard problems which will give your brain a real challenge This book with hundreds of hours of fun inside makes a great gift! We've had your entertainment and convenience in mind when designing this book and thought about the small details which make a difference: Wide center margins making it easier to work on the puzzles when you open or fold the book This also makes it easy to tear out the pages if you want to Bigger font and better quality paper than newspapers and magazines - easy to read and write on without worry of bleed through Problem levels has been expertly assessed for consistency 6 problems per page and answers at the end of the book Includes a FREE Bonus book Your brain will thank you!

Will Shortz Presents The Huge Book of Hard Sudoku

Download Will Shortz Presents The Huge Book of Hard Sudoku PDF Online Free

Author :
Publisher : St. Martin's Griffin
ISBN 13 : 9781250025302
Total Pages : 0 pages
Book Rating : 4.0/5 (253 download)

DOWNLOAD NOW!


Book Synopsis Will Shortz Presents The Huge Book of Hard Sudoku by : Will Shortz

Download or read book Will Shortz Presents The Huge Book of Hard Sudoku written by Will Shortz and published by St. Martin's Griffin. This book was released on 2013-03-05 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Can't get enough of Sudoku? This book is for you! It contains three hundred challenging and devilishly difficult Sudoku puzzles in a portable paperback. Features: - 300 hard Sudoku puzzles - Big grids for easy solving - Edited by legendary puzzlemaster Will Shortz

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

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

Author :
Publisher : Krazydad Two Not Touch
ISBN 13 : 9781946855367
Total Pages : 92 pages
Book Rating : 4.8/5 (553 download)

DOWNLOAD NOW!


Book Synopsis Krazydad Two Not Touch Volume 1: 360 Star Battle Puzzles to Preserve Your Sanity in These Trying Times by : Jim Bumgardner

Download or read book Krazydad Two Not Touch Volume 1: 360 Star Battle Puzzles to Preserve Your Sanity in These Trying Times written by Jim Bumgardner and published by Krazydad Two Not Touch. This book was released on 2020-07-27 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Extreme Sudoku Puzzle Book for Adults

Download Extreme Sudoku Puzzle Book for Adults PDF Online Free

Author :
Publisher :
ISBN 13 :
Total Pages : 108 pages
Book Rating : 4.6/5 (92 download)

DOWNLOAD NOW!


Book Synopsis Extreme Sudoku Puzzle Book for Adults by : Puzzle King Publishing

Download or read book Extreme Sudoku Puzzle Book for Adults written by Puzzle King Publishing and published by . This book was released on 2020-09-30 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: Extreme Sudoku Puzzle Book If you are an expert at Sudoku but want an extra challenge then you will love our Extreme Sudoku Puzzles. Featuring 156 Puzzles of 3 difficulties: Hard, Very Hard and Extreme This Extreme Sudoku Puzzle Book is a fun way for teens or adults to sharpen their minds and test their logic. Book Features: Loads of Puzzles 48 Hard, 54 Very Hard and 54 Extreme Large print - 2 Puzzles per page - Plenty of Space Suitable for all Levels Beginner to Expert Perfectly Sized - 7" x 10" Premium Matte Color cover design Puzzle King Publishing: Puzzle Books for Everyone!

The Toughest Sudoku Puzzle Book

Download The Toughest Sudoku Puzzle Book PDF Online Free

Author :
Publisher : Rockridge Press
ISBN 13 : 9781646115822
Total Pages : pages
Book Rating : 4.1/5 (158 download)

DOWNLOAD NOW!


Book Synopsis The Toughest Sudoku Puzzle Book by : Cristina Smith

Download or read book The Toughest Sudoku Puzzle Book written by Cristina Smith and published by Rockridge Press. This book was released on 2020-05-19 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: 200+ supercharged Sudoku to test your skills--and boost your brainpower! Whether you're already a pro or you're looking to build your abilities, The Toughest Sudoku Puzzle Book will challenge and entertain you with hours of mind-bending fun. Of all the Sudoku puzzle books, this one's action-packed with 240 clever, creative Sudoku puzzles, plus complete explanations of 14 fail-proof solving techniques to guarantee your success. Unlike standard Sudoku puzzle books, this book contains 18 variations to keep your brain engaged and your pencil sharp. Difficulty increases throughout, culminating in a bonus chapter that will stretch the minds of even the most advanced players. Finally, a helpful hints section provides 3 clues per puzzle to get you over any hurdle. This extraordinary standout among Sudoku puzzle books includes: Level up--Test your problem-solving skills with three epic levels of difficulty, including tough, tougher, and even tear-your-hair-out! Vexing variety--Tackle a wide range of Sudoku types like Twodoku, Jigsaw, Nonconsecutive, and Samurai, which you won't find in other Sudoku puzzle books. Secrets revealed--Discover how to play smarter with 14 basic, intermediate, and advanced techniques designed for Sudoku puzzle books players of all levels. Since it's one of the most challenging Sudoku puzzle books on the planet, this book will blow your mind!

The Big Book of Sudoku Red

Download The Big Book of Sudoku Red PDF Online Free

Author :
Publisher : Parragon Books
ISBN 13 : 9781680524758
Total Pages : 0 pages
Book Rating : 4.5/5 (247 download)

DOWNLOAD NOW!


Book Synopsis The Big Book of Sudoku Red by : Parragon Books

Download or read book The Big Book of Sudoku Red written by Parragon Books and published by Parragon Books. This book was released on 2018-09-18 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: You don't need to be a math whiz to enjoy a great sudoku puzzle! Sharpen your mind and have some fun with this great collection of sudokus, including over 540 challenges across four difficulty levels (Warm-Up, Challenging, Tough, and the ultimate Samurai Sudoku!) A must-have for all Sudoku enthusiasts. OVER 500 PUZZLES & SOLUTIONS: Hours of fun and entertainment to enjoy! VARIETY OF LEVELS: From levels 1 to 3 increasing levels of difficulty including Warm Up, Challenging and Tough. When you are done, test your skills on the ultimate Samurai Sudoku Puzzle - 5 puzzles linked together by a central puzzle! Can you become a master samurai? LAY FLAT: Spiral-bound lays flat for ease of use at home or on the go. Whether your drinking your morning coffee, riding on the train or relaxing on vacation this sudoku book can go with you. MAKES A GREAT GIFT: For the sudoku puzzle lover, this books makes a great gift for any occasion! Birthday, stocking suffers, road trip or more, everyone will love it! BRAIN BUSTERS(TM) Part of the Brain Busters Puzzle Collection from Parragon & Cottage Door Press. Look for other books including word finds, crosswords, picture puzzles, and more.

World's Hardest Sudoku Book

Download World's Hardest Sudoku Book PDF Online Free

Author :
Publisher : Independently Published
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.3/5 (71 download)

DOWNLOAD NOW!


Book Synopsis World's Hardest Sudoku Book by : Guy Rinzema

Download or read book World's Hardest Sudoku Book written by Guy Rinzema and published by Independently Published. This book was released on 2022-12-17 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: If you're an experienced sudoku puzzle solver looking for a real challenge, then the World's Hardest Sudoku Book: 200 of the World's Toughest Sudoku Puzzles (Volume 2) is the book for you. This book features an additional 200 extremely hard sudoku puzzles that will test your skills and mental agility. These are not your average sudoku puzzles - they are designed to be a true test of your puzzle-solving abilities. Whether you're a seasoned sudoku samurai or just starting out on your puzzle-solving journey, this book is sure to provide you with hours of challenging, satisfying, and ultimately rewarding gameplay. With 200 hard sudoku puzzles to solve, this book will keep you entertained and engaged for hours on end. Are you up to the challenge?

Sudoku 15x15 - Hard - Volume 25 - 276 Puzzles

Download Sudoku 15x15 - Hard - Volume 25 - 276 Puzzles PDF Online Free

Author :
Publisher : PuzzleBooks.net
ISBN 13 : 1502524953
Total Pages : 181 pages
Book Rating : 4.5/5 (25 download)

DOWNLOAD NOW!


Book Synopsis Sudoku 15x15 - Hard - Volume 25 - 276 Puzzles by : Nick Snels

Download or read book Sudoku 15x15 - Hard - Volume 25 - 276 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-09-26 with total page 181 pages. Available in PDF, EPUB and Kindle. Book excerpt: When you buy this book you get an electronic version (PDF file) of the interior of this book. You can play the puzzles in this book on your mobile phone! Sudoku is a fun and addicting logic puzzle game that has taken the world by storm. This book is ideal if you love to solve difficult Sudoku puzzle. You do not need to wade through tons of easy Sudoku puzzle 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! Only 1 large print puzzle per page, with lots of white space for scribbling. Sudoku 15x15 - Hard is a collection of 276 puzzle: 216 hard Sudoku 15x15 puzzle 60 extra logic puzzle I guarantee that every logic puzzle in this Sudoku puzzle book has been carefully checked to ensure that each puzzle has only 1 solution. None of the puzzle in this book will appear in any of the other English PuzzleBooks.net books. Sudoku is also known as Number Place, Nanpure, Su Doku. Quite often Sudoku is misspelled as Suduko, Soduko, Sodoku, Sudoko, Suduku or Soduku.

Expert Sudoku

Download Expert Sudoku PDF Online Free

Author :
Publisher : Workman Publishing Company
ISBN 13 : 9780761158356
Total Pages : 0 pages
Book Rating : 4.1/5 (583 download)

DOWNLOAD NOW!


Book Synopsis Expert Sudoku by : Nikoli Publishing

Download or read book Expert Sudoku written by Nikoli Publishing and published by Workman Publishing Company. This book was released on 2009-11-19 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Expert Sudoku is an all-new collection of handcrafted puzzles for the expert puzzle-solver. This is the book that challenges skilled solvers and Sudoku-lovers at the top level—every one of the 320 puzzles is rated "difficult." Good luck!

Numbricks 15x15 - Easy to Hard - Volume 11 - 276 Logic Puzzles

Download Numbricks 15x15 - Easy to Hard - Volume 11 - 276 Logic Puzzles PDF Online Free

Author :
Publisher : PuzzleBooks.net
ISBN 13 : 1505663164
Total Pages : 180 pages
Book Rating : 4.5/5 (56 download)

DOWNLOAD NOW!


Book Synopsis Numbricks 15x15 - Easy to Hard - Volume 11 - 276 Logic Puzzles by : Nick Snels

Download or read book Numbricks 15x15 - Easy to Hard - Volume 11 - 276 Logic Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-12-20 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Numbricks 15x15. After solving all the puzzles in this book, you will be a Numbricks Pro. You start with easy Numbricks 15x15 puzzles, which keep getting bigger and bigger and you gradually build your way up to extremely difficult Numbricks puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! Numbricks 15x15 - Easy to Hard is a collection of 276 puzzles: 72 hard Numbricks 15x15 puzzles 72 hard Numbricks 15x15 puzzles 72 hard Numbricks 15x15 puzzles 60 extra logic puzzles The goal of Numbricks is to fill in the missing numbers, in sequential order, going horizontally and vertically only. Diagonal paths are not allowed. I guarantee that every logic puzzle in this Numbricks 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.

Sudoku X 15x15 - Hard to Extreme - Volume 9 - 276 Puzzles

Download Sudoku X 15x15 - Hard to Extreme - Volume 9 - 276 Puzzles PDF Online Free

Author :
Publisher : PuzzleBooks.net
ISBN 13 : 1503364305
Total Pages : 181 pages
Book Rating : 4.5/5 (33 download)

DOWNLOAD NOW!


Book Synopsis Sudoku X 15x15 - Hard to Extreme - Volume 9 - 276 Puzzles by : Nick Snels

Download or read book Sudoku X 15x15 - Hard to Extreme - Volume 9 - 276 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-11-23 with total page 181 pages. Available in PDF, EPUB and Kindle. Book excerpt: When you buy this book you get an electronic version (PDF file) of the interior of this book. You can play the puzzles in this book on your mobile phone! Become a master in solving Sudoku X. After solving all the puzzle in this book, you will be a Sudoku X Pro. You start with easy Sudoku X puzzle and you gradually build your way up to extremely difficult Sudoku X puzzle. Once you pick up this book, you won't be able to put it back down. You have been warned! Only 1 large print puzzle per page, with lots of white space for scribbling. Sudoku X 15x15 - Hard to Extreme is a collection of 276 puzzle: 108 hard Sudoku X 15x15 puzzle 108 extreme Sudoku X 15x15 puzzle 60 extra logic puzzle I guarantee that every logic puzzle in this Sudoku X puzzle book has been carefully checked to ensure that each puzzle has only 1 solution. None of the puzzle in this book will appear in any of the other English PuzzleBooks.net books. Sudoku X is also known as Diagonal Sudoku, Kokonotsu, Taikakusen Nanpure, Diagonal Line Number Place, Sudoku-X.

Sudoku 15x15 Large Print - Easy to Extreme - Volume 27 - 276 Puzzles

Download Sudoku 15x15 Large Print - Easy to Extreme - Volume 27 - 276 Puzzles PDF Online Free

Author :
Publisher : PuzzleBooks.net
ISBN 13 : 1502531232
Total Pages : 311 pages
Book Rating : 4.5/5 (25 download)

DOWNLOAD NOW!


Book Synopsis Sudoku 15x15 Large Print - Easy to Extreme - Volume 27 - 276 Puzzles by : Nick Snels

Download or read book Sudoku 15x15 Large Print - Easy to Extreme - Volume 27 - 276 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-09-27 with total page 311 pages. Available in PDF, EPUB and Kindle. Book excerpt: When you buy this book you get an electronic version (PDF file) of the interior of this book. You can play the puzzles in this book on your mobile phone! Become a master in solving Sudoku. After solving all the puzzle in this book, you will be a Sudoku Pro. You start with easy Sudoku puzzle and you gradually build your way up to extremely difficult Sudoku puzzle. Once you pick up this book, you won't be able to put it back down. You have been warned! Only 1 large print puzzle per page, with lots of white space for scribbling. Sudoku 15x15 Large Print - Easy to Extreme is a collection of 276 puzzle: 54 easy Sudoku 15x15 puzzle 54 medium Sudoku 15x15 puzzle 54 hard Sudoku 15x15 puzzle 54 extreme Sudoku 15x15 puzzle 60 extra logic puzzle The goal of Sudoku is to fill in the empty cells, one number in each, so that each column, row, and region contains each number exactly once. I guarantee that every logic puzzle in this Sudoku puzzle book has been carefully checked to ensure that each puzzle has only 1 solution. None of the puzzle in this book will appear in any of the other English PuzzleBooks.net books. Sudoku is also known as Number Place, Nanpure, Su Doku. Quite often Sudoku is misspelled as Suduko, Soduko, Sodoku, Sudoko, Suduku or Soduku.

Nurikabe Mixed Grids Deluxe - Easy to Hard - Volume 6 - 474 Logic Puzzles

Download Nurikabe Mixed Grids Deluxe - Easy to Hard - Volume 6 - 474 Logic Puzzles PDF Online Free

Author :
Publisher : PuzzleBooks.net
ISBN 13 : 1511536799
Total Pages : 292 pages
Book Rating : 4.5/5 (115 download)

DOWNLOAD NOW!


Book Synopsis Nurikabe Mixed Grids Deluxe - Easy to Hard - Volume 6 - 474 Logic Puzzles by : Nick Snels

Download or read book Nurikabe Mixed Grids Deluxe - Easy to Hard - Volume 6 - 474 Logic Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2015-03-31 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving different sizes of Nurikabe. You get the perfect mix of different sizes of Nurikabe to keep you entertained for weeks. After solving all the puzzles in this book, you will be a Nurikabe Pro. You start with easy Nurikabe puzzles, which keep getting bigger and bigger and you gradually build your way up to extremely difficult Nurikabe puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! Nurikabe Mixed Grids Deluxe - Easy to Hard is a collection of 474 puzzles: 48 easy Nurikabe puzzles per grid size (10x10, 12x12, 14x14), totaling 144 easy puzzles 48 medium Nurikabe puzzles per grid size (10x10, 12x12, 14x14), totaling 144 medium puzzles 48 hard Nurikabe puzzles per grid size (10x10, 12x12, 14x14), totaling 144 hard puzzles 42 extra logic puzzles I guarantee that every logic puzzle in this Nurikabe 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 English PuzzleBooks.net books. Nurikabe is also known as Cell Structure, Islands in the Stream.

Wordoku 15x15 - Easy to Extreme - Volume 4 - 276 Puzzles

Download Wordoku 15x15 - Easy to Extreme - Volume 4 - 276 Puzzles PDF Online Free

Author :
Publisher : PuzzleBooks.net
ISBN 13 : 1502910535
Total Pages : 181 pages
Book Rating : 4.5/5 (29 download)

DOWNLOAD NOW!


Book Synopsis Wordoku 15x15 - Easy to Extreme - Volume 4 - 276 Puzzles by : Nick Snels

Download or read book Wordoku 15x15 - Easy to Extreme - Volume 4 - 276 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-10-20 with total page 181 pages. Available in PDF, EPUB and Kindle. Book excerpt: When you buy this book you get an electronic version (PDF file) of the interior of this book. You can play the puzzles in this book on your mobile phone! Become a master in solving Wordoku. After solving all the puzzle in this book, you will be a Wordoku Pro. You start with easy Wordoku puzzle and you gradually build your way up to extremely difficult Wordoku puzzle. Once you pick up this book, you won't be able to put it back down. You have been warned! Only 1 large print puzzle per page, with lots of white space for scribbling. Wordoku 15x15 - Easy to Extreme is a collection of 276 puzzle: 54 easy Wordoku 15x15 puzzle 54 medium Wordoku 15x15 puzzle 54 hard Wordoku 15x15 puzzle 54 extreme Wordoku 15x15 puzzle 60 extra logic puzzle The goal of Wordoku is to fill in the empty cells, one letter in each, so that each column, row, and region contains each letter exactly once. I guarantee that every logic puzzle in this Wordoku puzzle book has been carefully checked to ensure that each puzzle has only 1 solution. None of the puzzle in this book will appear in any of the other English PuzzleBooks.net books. Wordoku is also known as Wordoku, Alphabet Sudoku, Word Sudoku.

Sudoku 15x15 - Easy to Extreme - Volume 22 - 276 Puzzles

Download Sudoku 15x15 - Easy to Extreme - Volume 22 - 276 Puzzles PDF Online Free

Author :
Publisher : PuzzleBooks.net
ISBN 13 : 1502523639
Total Pages : 181 pages
Book Rating : 4.5/5 (25 download)

DOWNLOAD NOW!


Book Synopsis Sudoku 15x15 - Easy to Extreme - Volume 22 - 276 Puzzles by : Nick Snels

Download or read book Sudoku 15x15 - Easy to Extreme - Volume 22 - 276 Puzzles written by Nick Snels and published by PuzzleBooks.net. This book was released on 2014-09-26 with total page 181 pages. Available in PDF, EPUB and Kindle. Book excerpt: When you buy this book you get an electronic version (PDF file) of the interior of this book. You can play the puzzles in this book on your mobile phone! Become a master in solving Sudoku. After solving all the puzzle in this book, you will be a Sudoku Pro. You start with easy Sudoku puzzle and you gradually build your way up to extremely difficult Sudoku puzzle. Once you pick up this book, you won't be able to put it back down. You have been warned! Only 1 large print puzzle per page, with lots of white space for scribbling. Sudoku 15x15 - Easy to Extreme is a collection of 276 puzzle: 54 easy Sudoku 15x15 puzzle 54 medium Sudoku 15x15 puzzle 54 hard Sudoku 15x15 puzzle 54 extreme Sudoku 15x15 puzzle 60 extra logic puzzle The goal of Sudoku is to fill in the empty cells, one number in each, so that each column, row, and region contains each number exactly once. I guarantee that every logic puzzle in this Sudoku puzzle book has been carefully checked to ensure that each puzzle has only 1 solution. None of the puzzle in this book will appear in any of the other English PuzzleBooks.net books. Sudoku is also known as Number Place, Nanpure, Su Doku. Quite often Sudoku is misspelled as Suduko, Soduko, Sodoku, Sudoko, Suduku or Soduku.