Hard Drop Tetris Wiki:Copyrights

Some rights reserved. All contributions to this wiki are licensed under Creative Commons Attribution License 3.0. By posting text to this wiki, each editor warrants and represents that he has the authority to grant such a license.

In addition, editors may choose to license their contributions under a different license; please specify so on your user page.

Do not copy-and-paste text from Wikipedia because the GNU Free Documentation License is incompatible with Creative Commons licenses. Note: In June 2009, Wikipedia changed its license to the Creative Commons Attribution-Share Alike License 3.0. This still remains license incompatible (in terms of text being copied from Wikipedia to here, at least), due to the presense of the share-alike "clause".

If you upload an image that is derived from a Tetris product, or any other image that is a derivative work of a proprietary product, you assert that the image constitutes fair use under United States law in one or more articles that describe such a product.

Tetris is a trademark of one or more of the companies in the Tetris keiretsu. This wiki is not sponsored, licensed, or endorsed by the owners of trademarks mentioned in articles. Discussion of fan games is fine; just don't imply that they are Tetris products.