June 20th, 2013 
Mark Projects labeled after company’s shooters and game engine turn up in internal documentation; other names include “SteamMMO” and “Steam Box”.
Read and Post Comments | Get the full article at GameSpot
“GS News – Half-Life 3 found on Valve project tracker” was posted by Andy Bauman on Thu, 20 Jun 2013 11:15:17 -0700
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