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  • Publisher: Midnet Digital Kft.
  • Address: 1116 Budapest, Szatmárhegy utca 13.

By entering www.sudoku.hu, you accept the following terms and conditions, even if you are not a registered user or subscriber of our site. The sudoku.hu website qualifies as a copyright work, therefore all graphic elements, solutions and figures on the site are the intellectual property of Midnet Digital Kft. and are subject to copyright protection. The graphical designs, modules, unique software and programming on the website qualify as intellectual property and thus are protected by copyright under Hungarian and international legislation (specifically Act LXXVI of 1999 on copyright and Act V of 2013 on the Civil Code). No part of this website, no content or graphic elements may be sold, used or reproduced in any form or by any means without the prior written permission of the publisher. No part of this website may be embedded or published on any other website without the prior written permission of the publisher. The publisher assumes no responsibility or liability for any errors or omissions in the content of this site. The information contained in this site is provided on an “as is” basis with no guarantees of completeness, accuracy, usefulness or timeliness.

It first appeared in a U.S. newspaper, and then The Times (London), in 2004, thanks to the efforts of Wayne Gould, who devised a computer program to rapidly produce unique puzzles.