Hashi
Hashi

Author: Alastair Chisholm

Publisher: Crombie Jardine

Published: 2006-05-01

Total Pages: 256

ISBN-13: 9781905102792

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Hashi (short for Hashiwokakero, meaning "build bridges") is a new logic puzzle from Japan. In Hashi, the goal is to join islands together with up to two vertical or horizontal bridges, so that every island is connected. The larger in number value the island, the more bridges connect to it (an island of size 6 must be connected to 6 bridges), and no bridge can cross another. Successful logic puzzles have certain things in common: a unique game with one solution, easy to pick up, fun and challenging, able to be put down and picked back up again. Hashi has all these qualities, and puzzle master Alastair Chisholm has created 201 puzzles in three levels of difficulty--Easy, Medium, and Hard; you'll be thinking about them even when you're not working on them.

Jigsaw Sudoku: 400 Hard Jigsaw Sudoku Puzzles
Jigsaw Sudoku: 400 Hard Jigsaw Sudoku Puzzles

Author: Mindful Puzzle Books

Publisher: Irregularly Shaped Sudoku

Published: 2018-10-11

Total Pages: 232

ISBN-13: 9781728678412

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Also the puzzle may contain the regions of random (irregular) shape; this variant is called Jigsaw Sudoku ("Geometry Sudoku," "Geometry Number Place," "Irregular Sudoku," "Kikagaku Nanpure").

Sudoku Variants
Sudoku Variants

Author: Conceptis Puzzles

Publisher: Sterling Publishing Company, Inc.

Published: 2006-08

Total Pages: 154

ISBN-13: 9781402741111

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Everyone knows sudoku is enjoyable--but these addictive puzzles come in endless variations too! They range from simple to very difficult, and can take almost no time to finish...or require many hours. This entertaining collection showcases a wide range of possibilities, offering solvers who have become accustomed to the standard rules and grids an exciting new challenge. Select from Mega Sudokus that provide a real workout; Diagonals or Odd and Even versions with extra constraints; Sum Sudokus that merge with kakuro; and Multisudoku with overlapping puzzles. There's something for every level--12 x 12 puzzles, ones with irregularly shaped areas, even Mini Sudoku--and lots of fun for everyone.

Jigsaw Sudoku Puzzle Book for Adults
Jigsaw Sudoku Puzzle Book for Adults

Author: Puzzle King Publishing

Publisher: Independently Published

Published: 2020-08-15

Total Pages: 110

ISBN-13:

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Jigsaw Sudoku Puzzle Book If you like Sudoku but want an extra challenge then you will love Jigsaw Sudoku. The goal of Jigsaw Sudoku (also know as irregular sudoku) is similar to normal Sudoku. You must place each of the numbers 1 to 9 into each of the rows and columns. However in Jigsaw Sudoku the normal 3x3 Sudoku regions are instead replaced by jigsaw-like regions of different sizes (outlined with the bold lines) that must contain every number. This Jigsaw Sudoku Puzzle Book is a fun way for teens or adults to sharpen their minds and test their logic. Including 156 Puzzles of varying difficulty to keep you entertained for hours. Book Features: Loads of Puzzles: 48 Easy, 54 Medium and 54 Hard 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!

Loco Sudoku
Loco Sudoku

Author: Djape

Publisher: Puzzlewright

Published: 2015-09

Total Pages: 0

ISBN-13: 9781454916499

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These sudoku are LOCO! Solvers who enjoy shaking things up a little will go crazy over these 83 challenging puzzles. Each one actually includes five overlapping sudoku, all with different variants. In order to finish the entire thing, you'll have to keep on jumping back and forth between the five. It's out-of-control fun!

Hard Sudoku Puzzle Book Volume 4
Hard Sudoku Puzzle Book Volume 4

Author: Robert Hunt

Publisher: Createspace Independent Publishing Platform

Published: 2017-01-06

Total Pages: 90

ISBN-13: 9781542392730

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This Hard Sudoku Puzzle Book Volume 4 has been designed for fun for all ages and can be played by children, adults and senior citizens alike - suitable for all advanced sudoku puzzle lovers! Perfect for stimulating the mind and improving reasoning skills, this book contains 200 hard difficulty level sudoku puzzles with solutions for each of the puzzles. A 'Beginners Guide' is included providing valuable tips for solving the puzzles. Whatever your age, you'll love this Hard Sudoku Puzzle Book! This puzzle book is an ideal challenge for the advanced Sudoku player and will provide hours of puzzling fun and enjoyment.

Very Hard Sudoku Puzzles Volume 4
Very Hard Sudoku Puzzles Volume 4

Author: Robert Hunt

Publisher: Createspace Independent Publishing Platform

Published: 2017-01-08

Total Pages: 90

ISBN-13: 9781542415316

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This Very Hard Sudoku Puzzle Book Volume 4 has been created for fun for all ages and can be played by children, adults and senior citizens alike - suitable for all advanced sudoku puzzle lovers! Perfect for stimulating the mind and improving reasoning skills, this book contains 200 very hard difficulty level sudoku puzzles with solutions for each of the puzzles. A 'Beginners Guide' is included providing valuable tips for solving the puzzles. Whatever age, people everywhere love this Very Hard Sudoku Puzzle book! This puzzle book is an ideal challenge for the advanced Sudoku player and will provide hours of puzzling fun and enjoyment.

Very Hard Sudoku Puzzle Book Volume 4
Very Hard Sudoku Puzzle Book Volume 4

Author: Robert Hunt

Publisher: Createspace Independent Publishing Platform

Published: 2017-01-07

Total Pages: 90

ISBN-13: 9781542414524

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This Very Hard Sudoku Puzzle Book Volume 4 has been created for fun for all ages and can be played by children, adults and senior citizens alike - suitable for all advanced sudoku puzzle lovers!. Perfect for stimulating the mind and improving reasoning skills, this book contains 200 very hard difficulty level sudoku puzzles with solutions for each of the puzzles. A 'Beginners Guide' is included providing valuable tips for solving the puzzles. Whatever your age, you'll love this Very Hard Sudoku Puzzle Book! This puzzle book is an ideal challenge for the advanced Sudoku player and will provide hours of puzzling fun and enjoyment.

Sudoku Puzzles Very Hard Volume 4
Sudoku Puzzles Very Hard Volume 4

Author: Robert Hunt

Publisher: Createspace Independent Publishing Platform

Published: 2017-01-07

Total Pages: 90

ISBN-13: 9781542410014

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This very hard sudoku puzzle book has been created for fun for all ages and can be played by children, adults and senior citizens alike - suitable for all advanced sudoku puzzle lovers! Perfect for stimulating the mind and improving reasoning skills, this book contains 200 very hard difficulty level sudoku puzzles with solutions for each of the puzzles. A 'Beginners Guide' is included providing valuable tips for solving the puzzles. Whatever age, people everywhere love these very hard sudoku puzzles! This puzzle book is an ideal challenge for the advanced Sudoku player and will provide hours of puzzling fun and enjoyment.

Sudoku Puzzle Book, 500 Extra Hard Puzzles
Sudoku Puzzle Book, 500 Extra Hard Puzzles

Author: Sudoku Books

Publisher: Createspace Independent Publishing Platform

Published: 2017-01-18

Total Pages: 172

ISBN-13: 9781542614887

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Relieve boredom and stress by playing Sudoku. This big book contains plenty of puzzles to keep you busy for many hours. There are 4 puzzles per page and solutions are at the end of the book.