Valve have created Expiration Date, a 15 minute animated short featuring all the Team Fortress characters.
Autodesk Maya LT 2015 Coming to Steam
Autodesk have announced that Maya LT 2015 is coming to Steam.
Portal 2: Lab Rat - Part One
Read part one of Portal 2: Lab Rat, a comic created by Valve to bridge the old and new game in the series.