Team Fortress Classic is based on Team Fortress which was a Quake mod. In 1999, ...

		Kelet on July 10, 2013 \| parent \| context \| favorite \| on: Valve's flat management structure 'like high schoo... Team Fortress Classic is based on Team Fortress which was a Quake mod. In 1999, Valve hired the Team Fortress Quake modders to port their game to the GoldSrc (HL1) engine.