Yea, I was like Huh..
Saw the Video of what Valve meant..
Video here : http://www.computerandvideogames.com/player.php?mode=article&id=785
Source : News: Team Fortress 2's dynamic levels explained - PC Gamer Magazine
Saw the Video of what Valve meant..
"We could make two-hundred maps and people would play five of them, over and over," project lead Robin Walker told us when we visited Valve recently. "So what do we get if instead of producing a load of maps, we produce one map that's different every time?" Well, it's complicated, so we'll let him explain it - watch the video.
Video here : http://www.computerandvideogames.com/player.php?mode=article&id=785
Source : News: Team Fortress 2's dynamic levels explained - PC Gamer Magazine