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What is HyperHashi?

HyperHashi is a logic puzzle which consists of islands in a sea which have to be linked together in a particular way according to the rules of the game and clues on each island. It is challenging and absorbing because of the multiple strategies that have to be used to solve it; it is often surprising because of the way in which each puzzle unfolds; and it is satisfying because the solution often results an intriguing pattern not unlike the beautiful tiles and plasterwork to be found in the palaces of Moorish Spain.


Why is it called HyperHashi?

Hashiwokakero (or just plain Hashi or Bridges) is an established and popular Japanese puzzle. Whilst HyperHashi has some similarities, there are also important differences such as allowing bridges to be built at a diagonal and allowing them to cross. These innovations result in a more intense playing area and allow links between islands which are much further apart. This is the inspiration for the name – capturing the concept that bridges jump – even if this jumping is not quite like a conventional hyperlink.


What does it look like?

You can see examples on this website. There are a varying number of circles (or islands) on a six by six matrix. Each island contains two letters which are clues to where bridges need to be drawn. The solution has these bridges drawn in. The current print version is black and white. The app version has more colour and a more interesting graphic background. Islands are white to begin with and go yellow when joined to one bridge and red when joined to two.


How do I play it?

You work out where each bridge goes by a process of observation and deduction. Then you draw it in. The rules can found in the help section of the app, in the tutorial section of this website or will be printed near the puzzle in a book.


Are there different levels of difficulty?

Yes. Up to a point a puzzle gets more complex with more islands and a greater variety of clues. The app is graded easy, medium and hard although the exact boundaries between these grades are a bit blurred.


Are there different sizes of playing area?

There is no reason why not. The playing area could be almost any size and indeed the puzzle could quite easily be extended to three dimensions. However we have found that a six by six matrix provides a very satisfying challenge and all puzzles published so far have been this size.


How many different puzzles are included in the app?

There are approximately 30,000 different graded and checked puzzles included in the app. It would be very surprising if you were served up the same puzzle twice. But a puzzle can always be replayed if you know its ID.


Where is it available?

The puzzle is available most easily as an app for the iPhone and iPad. It is also be available in a book of puzzles (follow the link on the home page of this website) and may become available in newspapers and magazines later.


Who built the app?

Sync Studios. See www.syncstudios.co.uk


Who is selling the app?

HyperHashi is sold from the iTunes app store by Polynomial Games which is part of Zernike (UK) Limited.


What platforms is the app available on?

Currently just the iPhone / iPad platform is available. Others will be considered in due course.


How much does HyperHashi cost?

That depends what currency you are paying in. The prices for apps are to be found on the iTunes app store. The prices for books are set by the publisher. Direct sales of puzzles to newspapers and magazines are by agreement and depend, for example on how much work is required to produce them in a particular format and how many are required.


Are solutions available?

Books and newspapers generally provide solutions. The app does not but it does confirm when you have the puzzle correct. Making solutions available in the app is something that we might consider in the next version.


Why is the puzzle ID so long?

The full puzzle unique ID is 22 characters long. This does seem rather a lot. But the ID performs several functions and if you understand what these are then you can see why we do not just give puzzles a simple number. The first five characters are HYH66 and indicate that the puzzle is HyperHashi on a six by six matrix. The three numbers that follow are a measure of complexity. The remaining fourteen characters are a digital fingerprint. This fingerprint is only assigned when the puzzle has been checked to make sure that it has one solution and only one solution. It is generated from certain characteristics of the puzzle but exactly how this is done is kept private so that puzzles not created by Polynomial Games can be detected. Making sure that all our puzzles have different fingerprints also ensures that we do not accidently sell or release two similar puzzles. Think of the fingerprint being like a watermark that ensures quality. Neither the complete puzzle nor the complete solution can be derived from the fingerprint.


Where can I get support?

The app contains all that you should need to know in its “Help” section. This is amplified by additional material on this website such as tutorials and hints and tips. If these do not provide what you need please get in touch with us at support@hyperhashi.com


I have some comments. What should I do?

We are keen to receive constructive comments and ideas. Please email us at feedback@hyperhashi.com and we will read what you have to say with interest. We will try to reply wherever this is appropriate.


An app is not convenient to me. Is HyperHashi available in puzzle books?

Yes. Please follow link on the home page of this website.


What language is HyperHashi available in?

At the moment just English. If you are interested in translating the guidance material into another language and / or acting as an agent for us outside the UK please get in touch.


Can I use HyperHashi puzzles to help teach vectors in my school?

Generally the answer is “Yes”. Please get in touch to discuss your requirements and we may be able to help with classroom materials.


Can I use HyperHashi puzzles in my newspaper / magazine / book or website?

Please get in touch to discuss your requirements by clicking on the relevant button on the home page of this website.


Who invented it?

HyperHashi was invented by David Squire, an English chartered accountant and Oxford physics graduate. He lives in West London and Dorset, England.


When and where was it devised?

David first conceived the idea whilst on a holiday in Scotland in 2010. He was completing a large Hashiwokakero printed in a national newspaper and realised that, whilst it was essentially a good puzzle, it could be improved. He developed and tested his ideas for improvements during 2010 and then, through Polynomial Games, approached Sync Studios in 2011 to invite them to create the app that is now available.


Is HyperHashi on Twitter?

Yes. See www.twitter.com/hyperhashi We aim to tweet hints, tips and developments. Some of them may even be in the form of Japanese Haiko poems. Watch this space!

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If you'd like to find out more about HyperHashi just have a read over our frequently asked questions below.

 

 

Versions of HyperHashi suitable for publication in your print media are also available. Get in touch to find out more.

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