portal2012_logo_vertical109This will be simple. As I'm not yet able to put the player code here, I'll just point to Rob's page for this.

I found this to be quite a refreshing set of questions readers asked of Cobra, and much new information was revealed here, including what's behiind much of the 3D-visible events. There is also a transcript.

2015 Jan 20 – Q & A with Rob Potter and Cobra