GCF = Grid Content Files - files that contains important parts of games or updates
If you have GCF files put them into your steamapp folder and restart steam, now you may have to see the game In you list - let's play ^^
SteamUp! v2.1.4 - Oct 30th 2009
I will not create new thread but, Is possible to run HL2 Deathmatch multiplayer?
I think lot of peoples saying the STEAM SAY "You Not Own The Game" like in GMod
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