New gameplay footage of Half-Life 2: Episode Two, Portal, and Team Fortress 2 is shown off in this video. Let’s go behind the scenes at Valve’s development teams as they talk you through the new scenes. Definitely don’t watch if you haven’t finished Half-Life 2 and Episode One, because there are lots of spoilers as they explain the story progress. As you may know, the second expansion and its included extra games have been delayed for PC, Xbox 360, and PlayStation 3 until early 2007. Enjoy the 16 minute video!
