Atari classic "Pong" being played on Philly skyscraper

Atari classic "Pong" being played on Philly skyscraper
The classic Atari video game Pong is played on the facade of the Cira Center in Philadelphia on Friday April 19, 2013.
PHILADELPHIA (AP) - What could be the biggest game of "Pong" is underway in Philadelphia.

The classic Atari video game is being played on the facade of a mirrored, 29-story skyscraper.

Hundreds of built-in LED lights embedded in the north face of the Cira Centre are replicating the familiar paddles and ball with gamers controlling giant, table-mounted joysticks across the Schuylkill River from the building.

It was played Friday night and will be played again on Wednesday to bookend Philly Tech Week, an annual series of events, seminars and workshops spotlighting the city's technology and innovation communities.