I think that it is reasonable to include all of the “Sierra Family” of games. This means especially the Dynamix, Coktel Visions and Impressions games. If you look at the game files, it is obvious that there was even sharing of code, not just talent. Others would include the likes of Papyrus, subLOGIC and Synergistic, but I would not go too heavily into the companies that Sierra was not much more than a publishing house. Ken, himself might have brought Valve on board with Half-Life, but it was never a “Sierra Family” company. Rudy may disagree with me, but I would not include the things that VU only used the Sierra name to publish.
