This is the privacy policy for, you can contact us at for any matters related to This privacy policy is regularly reviewed and, where necessary, updated to provide accurate information.

Site features

All visits to are logged in a log file. This includes your ip address, the page requested, and some of the associated parameters (the GET parameters). can be used freely without needing to register for an account.

If you register you provide us with your email address, a username, and a password. Your email address is never made public, but your username is.

Any puzzles you complete when logged in will be tracked against your user account, this information is freely available to anybody that visits Your aggregate scores will be compiled and you will be placed in a monthly and 'all-time' leaderboard. Your puzzle data does not leave by any other means.

If we detect attempt at cheating from you when logged in, we will log your data for later analysis and may use this data as evidence to suspend your account.

Your data is kept indefinitely. By registering for an account you are giving consent for us to do this. You can withdraw this consent at any time by emailing Note that by withdrawing your consent we will delete your account and it will not be possible to retrieve it.

If you wish to download your data for transfer to another site, please contact us at maintains a strict "no-spam" policy. Your e-mail address will not be sold to a third party.

User tracking

We use to collect aggregate information on the visitors to our site.

When a visitor requests pages from the site, and automatically log the browser's domain name, and IP address. This information is collected solely for statistical purposes and is not used to identify individuals.

Personally identifiable information such as visitor's name, telephone number, postal address and email address are technically impossible for us to collect (unless you register for an account) and no attempt is made to do so. The information that is recorded by consists of the date and time of visit, ip address, browser (e.g. Firefox 3.5), operating system version (e.g. Windows XP), screen resolution (e.g. 800x600), referring link, the current page url and the current page title.

To enable to track whether a visitor has been to website before (i.e. a first-time or returning visitor) send a cookie to your visitors' computer. This information is collected solely to improve the service we offer to you and statistical purposes and is not used to identify individuals.


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