Pong on the 29-story Cira Centre was the headliner Monday night, but this demo of Tetris from last night looks pretty rad.

Here's a six-second clip from NewsWorks' own Shannon McDonald:

 

Twitter likes it. Let me just favorite this tweet from Marketplace Morning Report host Jeremy Hobson:

 

And a request for next time:

 

For more coverage of Philly Tech Week 2013 click here.