Thank you for using my website. Use of this website or any of the content on this website indicates that you have read, understood, agreed, and accepted, without limitation or qualification, all aspects of these terms and conditions.
BrainBashers™ is a trademark and I, Kevin Stone, run this website. KNS Puzzles™ is also a trademark (www.knspuzzles.com). I am not a lawyer, nor an IT expert, nor a designer, but I try my best (and I do make mistakes!).
If you do not agree with any of the terms, then please feel free to leave this website. I may, at my sole discretion, modify or revise these terms at any time by updating this page. You are bound by any such modification or revision and should therefore visit this page periodically to review the terms.
Please feel free to contact me if you have any comments.
Personal Data & Cookies
- This website doesn't collect / use / save / etc any personal data.
- This website hasn't saved any cookies.
- This website doesn't show adverts and doesn't load any content from third parties.
Sending me an email gives me permission to receive and store your email, and for me to contact you to reply to your email. The content of your email will only be used by me, and only in relation to your email. I will never sell / transfer / give away / etc any information to third parties - however I will disclose any required information available if legally obligated.
Patreon / PayPal
I keep financial records subject to English law, any of your details that Patreon and / or PayPal pass to me will be stored accordingly. Your support could go towards any of my costs / outgoings / expenses / bills / etc (and not necessarily just on tea and coffee!). I don't offer anything in return, except a sincere thank you, and my gratitude.
Other Privacy Information
I run the website from the UK. I take reasonable steps to protect any data that I store.
Use of this website or any of the content on this website indicates that you have read, understood, agreed and accepted, without limitation or qualification, all aspects of these terms and conditions.
I claim all intellectual rights and copyright to: the format of the name BrainBashers™; the design and implementation of the Sudoku assistant; the design of this website.
I claim copyright to any puzzles and any other content marked as either © Kevin Stone or Copyright Kevin Stone (but not necessarily the images contained within the puzzles, see below). The fact that I do not claim copyright to certain puzzles does not mean that I do not own copyright.
I claim copyright to all of the images contained within this website, excluding:
- images with a copyright owner attributed
- images that don't require attribution (e.g. because of their license)
- images that are in the public domain
I claim copyright to the design and implementation (but not necessarily the game itself) of the following games: Wassat?, Whensat?, Wheresat?, Whosat?, Battle Ships, Tower of Hanoi, Brain Slider, Higher / Lower, Cross Colours, and Think of a Number.
I reserve all rights. I require that my written permission is granted before using any of my content. Search engines are regularly used to check for unauthorised use of my copyrighted content. Before any of the content on this website is copied, the correct permissions should be given by the relevant owner(s).
Other copyrighted content is used with permission, and copyright remains with the copyright owner.
I authorise you to view, on an internet HTML browser (or via the print option), the content on this website solely for your personal, non-commercial use. You may not sell or modify any of the content from this website or reproduce, display, distribute, or otherwise use any of the content from this website in any way for any public or commercial purpose without the written permission of the copyright owner. If you are to violate any of these terms, your permission to use the content from this website automatically terminates and you must immediately destroy any copies you have made of the content.
I do not grant or transfer to you or anyone any expressed or implied right under any patents, copyrights, or trademarks by permitting you to download any of the content on this website. All company names, copyrights, logos, trademarks, product names, or service marks that appear on this website are the property of their respective owners.
Some of BrainBashers puzzles might check against or use words from: YAWL, and / or the SCOWL word lists. The SCOWL collective work is Copyright 2000-2018 by Kevin Atkinson as well as any of the copyrights mentioned in the SCOWL Read Me / Copyright Notice. For some games and puzzles the words are chosen at random, and their selection is not an endorsement of the word.
Disclaimer Of Damages
Use of this website or any of the content on this website is, at all times, "at your own risk." If you are unhappy with any aspect of this website, any of these terms and conditions, or any other policies, your only option is to stop using this website.
I take sensible precautions to protect any data provided to me, however, I can never guarantee this data will be protected against all attempts to access it illegally.
In no event shall I, this website, or its suppliers, etc, be liable to any user or third party, for any damages whatsoever resulting from the use or inability to use this website or any of the content from this website, for any reason, legal or otherwise, and whether or not I am advised of the possibility of such damages.
I cannot guarantee that I won't make a mistake, and such a mistake could affect any aspect of this website.
I intend no disrespect to any individual or group with any of the content that I have control of. Any resemblance to persons, places, or events either past or present is purely coincidental.
I am not liable for direct, indirect, or consequential damages, arising in connection with using this website or any of the content from this website, including, but not limited to, medical, physical, and psychological effects, nor for any loss of money, time, or data, etc. The information contained within this website is provided 'as-is', without warranties as to its accuracy whether expressed or implied, and is intended for entertainment purposes only. The wording of any puzzle, or any other content, is not an endorsement of said wording.
I cannot guarantee that all or any of this website or content is free of errors or mistakes (e.g. technical errors, logic errors, calculation errors, factual errors, missing / incorrect clues or hints or answers, etc). I only test on a selection of current up-to-date browsers, so I cannot guarantee that all or any of this website, content, options, functionality, will be available (e.g. the 'Warn when leaving...' system), work correctly, or work as expected, on all computers / devices / browsers / etc. I cannot guarantee that you are viewing this website or content as I intend it to be viewed (e.g. an image might be missing, or the connection was interrupted, etc). You are advised to independently verify the content before relying upon it.
Puzzle Difficulty Levels: setting an accurate difficulty level for a puzzle isn't possible. Everyone thinks differently, has different levels of knowledge, and has different skills. A difficulty level given to a particular puzzle is just a general guide. If you had to solve 100 'Easy' puzzles and 100 'Hard' puzzles, it would probably take you longer to complete the 100 'Hard' ones, even though you might find some of the 'Hard' puzzles easier than some of the 'Easy' ones. Generally speaking, 'Easy' puzzles are often easier than 'Medium' puzzles, which are often easier than 'Hard' puzzles, etc., but this is not always the case, and you might find that some puzzles are easier, or harder, than marked. Perhaps think of 'Easy' as 'Level 1' for that size and puzzle type, 'Medium' as 'Level 2', etc. As the puzzle sizes increase, the puzzles tend to become harder, so an 'Easy' smaller puzzle tends to be easier than an 'Easy' larger puzzle. Some of the larger 'Easy' puzzles can be quite hard, but they still tend to be easier than the same size 'Hard' puzzles. Some puzzles might require more advanced techniques as the difficulty level increases, but this doesn't always mean that the puzzle is more difficult. Different puzzle types also vary in difficulty, e.g., an 'Easy' Light Up puzzle tends to be easier than an 'Easy' Killer Sudoku. Summary: you can think of the difficulties as Level 1 / Level 2, or Easier / Harder (for that size and puzzle type).
Nothing on this website is guaranteed to be mathematically (or logically) accurate or correct.
I disclaim all warranties. I make no warranty about the accuracy or reliability of any of the content on this website, services, text, images, links, etc. I do not warrant that this website will operate error-free or that this website, or its server, is free of computer viruses or other harmful items. You are advised to ensure that your computer / device / etc is running a modern up-to-date operating system, with a modern up-to-date browser, and has all of the latest updates, patches, virus scanners, spyware detectors, etc, and any other software that helps to protect it. I am not responsible for any changes you make to the security settings of your computer / device / etc and I am not responsible for any software running on your computer / device / etc. If your use of this website or any of the content from this website results in the need for servicing or replacing equipment or data, I am not responsible for those costs.
Some of the images (e.g. optical illusions or stereograms) might make you feel a little nauseous, if they do then try covering one eye or looking away.
Some pages / puzzles offer a print option, clicking this link will load a new window with a special version of the page / puzzle that will allow you to use your browser's print option.
Linking To BrainBashers
If you would like to link your website to the BrainBashers website, please freely bookmark or add links to any page contained within this website provided that this website does not appear inside any frames. You may not embed any BrainBashers content within another web page, using any method, including an iFrame.
Links to Third-Party Sites
I am only responsible for the pages within this domain. A link to a third-party website is not an endorsement of any of the content of that website. I am not responsible for any of the content of third-party websites and I do not make any representations or guarantees regarding any of the content of such third-party websites.
Third-Party Use Of My Content
I am only responsible for the pages within this domain. Where any of my content (or a link to any of my content, etc) occurs in a third-party location (e.g. website, newsletter, magazine, etc), its occurrence is not an endorsement of any of the content of that third-party location. I am not responsible for any of the content of third-party locations and I do not make any representations or guarantees regarding any of the content of such third-party locations.
By using this website or any of the content from this website you agree to indemnify, defend, and hold harmless this website, me, its creators, officers, directors, employees, and agents, from any claim or demand, including reasonable legal fees, resulting from your use of this website, or use of any of the content from this website, or your breach of the terms of this agreement, or your violation of any law or the rights of a third party.
If any part of this agreement is found to be invalid, the invalidity of that part does not affect the validity of the remaining parts.
These terms and conditions are governed by the laws of England and the courts of England have exclusive jurisdiction.
All puzzles, games, quizzes, etc on this website are just for fun, there are no winners and no prizes.
All daily items change at midnight GMT - set your local time zone.
For any number of reasons the rules I actually use might not match any of the rules visible on this website, and I am under no obligation to reveal the rules I've used. The rules might be changed at any point. Any dates shown might be changed at any point.
Some of the activities might reset without warning (e.g. when the server is restarted).
The site uses words such as keyboard / mouse / click / etc when discussing navigation / options / etc, but the actual navigation / options / etc will depend on your computer / device / browser / etc.
I am British and generally use British spellings, etc, throughout this website.
Only AEIOU are treated as vowels, the other 21 letters are treated as consonants.
Some pages mention 'pencil marks' - this is where the size of the digits / letters is smaller when there is more than one digit / letter in a square. A square might contain more pencil mark digits / letters than can be shown.
I reserve the right to stop publishing this website, or any of the parts, or to make changes to, or remove, any of the content, puzzles, or functionality on this website, or the policies, at any time, without notice, warning, or explanation.
There might be problems (e.g. technical, unknown, etc) that stop this website from operating correctly, or as expected. These problems might affect all of this website, or some parts of it. These problems might cause this website (or some parts of it) to be unavailable, and to be unavailable for any length of time. These problems might cause this website (or some parts of it) to have errors, and to have errors for any length of time.
I reserve the right to change the policies on my content usage without warning or discussion, and those changes come into effect immediately.
No items may be copied from this website without prior written permission from the copyright holder or their agents, this includes, but is not limited to: puzzles, images, and website designs.
This page was last updated in February 2024, however, the privacy section is updated independently and might have a different date.
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