Tetris pieces illuminated on skyscraper
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US gamers play skyscraper Tetris

Fans of the classic video game Tetris have helped mark its 30th anniversary by bringing the game to new heights.

Fans of the classic video game Tetris have helped mark its 30th anniversary by bringing the game to new heights.

Players in Philadelphia used a joystick to control the pieces displayed on the 29-storey Cira Centre building, 437 feet (133m) high.

Organiser and game designer Frank Lee already holds the Guinness World Record for the world's largest architectural video game display for a similar event with the game Pong in 2013.