Tetris (R)&(C) 1985~2011 Tetris Holding.Tetris logos, Tetris theme song
and Tetriminosare trademarks of Tetris Holding.
The Tetris trade dress is owned by Tetris Holding.
Licensed to The Tetris Company. Game Design by AlexeyPajitnov.
Original Logo DesignbyRoger Dean. All Rights Reserved.
Sub-licensed to Tetris Online, Inc.