Source SDK
80 hrs last two weeks / 1614 hrs on record
Team Fortress 2
10 hrs last two weeks / 295 hrs on record
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Left 4 Dead Authoring Tools
0 hrs last two weeks / 189 hrs on record
Left 4 Dead 2
0 hrs last two weeks / 18 hrs on record
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Left 4 Dead
0 hrs last two weeks / 121 hrs on record
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Commander Keen Complete Pack
Doom 2
Doom 3
Doom 3: Resurrection of Evil
Final Doom
Garry's Mod
0 hrs on record
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Half-Life 2
Half-Life 2: Deathmatch
Half-Life 2: Lost Coast
Heretic: Shadow of the Serpent Riders
Hexen
Hexen 2
Hexen: Deathkings of the Dark Citadel
Left 4 Dead 2 Demo
2 hrs on record
Master Levels of Doom II
Quake
0 hrs on record
Quake 2
Quake 2: Ground Zero
Quake 2: The Reckoning
Quake 3 Arena
Quake 3 Team Arena
Quake Mission Pack 1: Scourge of Armagon
Quake Mission Pack 2: Dissolution of Eternity
Return to Castle Wolfenstein
Spear of Destiny
Ultimate Doom
