
Doug Lombardi has sent L4D411 an exclusive 10-minute HD video presentation by Gabe Newell on the making of Left 4 Dead along with an extended E3 trailer. This presentation was originally made at E3 2008 for members of the press and E3 awards judges, and contains portions not previously available to us common folk.
Gabe goes into detail on many aspects of the making of Left 4 Dead, including their goals in development, the what and why of the AI Director, all about the monsters including animation, physics and AI, and also all about the world including graphics and lighting technology.