Left 4 Dead
6.9 hrs last two weeks / 182.1 hrs on record
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Garry's Mod
5.5 hrs last two weeks / 183.6 hrs on record
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Source SDK
2.5 hrs last two weeks / 24.2 hrs on record
Portal
1.2 hrs last two weeks / 3.9 hrs on record
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Team Fortress 2
0.3 hrs last two weeks / 99.7 hrs on record
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Half-Life 2
0.3 hrs last two weeks / 13.7 hrs on record
Counter-Strike: Source
3.2 hrs on record
Day of Defeat: Source
0.8 hrs on record
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Half-Life
4.5 hrs on record
Half-Life 2: Deathmatch
0.8 hrs on record
Half-Life 2: Episode One
Half-Life 2: Episode Two
0.6 hrs on record
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Half-Life 2: Lost Coast
Half-Life: Blue Shift
Half-Life: Opposing Force
Killing Floor
23.2 hrs on record
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Killing Floor Mod: Defence Alliance 2
Killing Floor SDK
Left 4 Dead Authoring Tools
3.9 hrs on record
Team Fortress Classic
Tropico
2.9 hrs on record
