

The longer the player can delay this outcome, the higher their score will be. The game ends when the uncleared lines reach the top of the playing field. The completed lines disappear and grant the player points, and the player can proceed to fill the vacated spaces. In Tetris, players complete lines by moving differently shaped pieces ( tetrominoes), which descend onto the playing field. After a significant period of publication by Nintendo, the rights reverted to Pajitnov in 1996, who co-founded the Tetris Company with Henk Rogers to manage licensing. It has been published by several companies for multiple platforms, most prominently during a dispute over the appropriation of the rights in the late 1980s. Tetris (Russian: Тетрис ) is a puzzle video game created in 1985 by Alexey Pajitnov, a Soviet software engineer.
