Go check out this short virtual film called Deviation:
The short film ‘Deviation’ was shot using an online game engine with the virtual actors and director never having met one another.
Macintyre, an online-game character and member of a four-man counter-terrorist squad, attempts to break out of the cycle of futile violence that has been his sole existence.
Dropped into the middle of a mission and faced with the prospect of climbing into an ambush at the end of a manhole tunnel, Macintyre strives to convince the other squad members that there is another way…
Link found via Boing Boing.
Why would they use a game essentially from 1999 for something in 2006. Although I swear I saw this exact video on CS fansites like back in 2001.