The third part of CVG's dissection of the Orange Box has its eyes on Team Fortress 2. There's a lot of interesting, behind the scenes details here, including information that additional lines of dialogue will be recorded.
"When the character goes to speak it looks at the state of the game," explains Walker, "what you've been up to and what your enemies have been up to, all sorts of stuff like that. Then it chooses a line apt for the situation. We definitely tried to make sure there were some really rare ones in there.Part one focused on Episode 2 and part two focused on Portal.
"We're bringing the voice actors back for another session soon, and one of the things we want to do is to record even more of those lines, so that if people have actually exhausted the lines there'll be a new bunch for them to discover."