Counter-Strike: Source
45.3 hrs last two weeks / 496.5 hrs on record
Team Fortress 2
25.7 hrs last two weeks / 54.5 hrs on record
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Left 4 Dead
16.2 hrs last two weeks / 16.7 hrs on record
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Half-Life 2: Episode One
4.5 hrs last two weeks / 4.5 hrs on record
Half-Life 2: Episode Two
1.7 hrs last two weeks / 2.1 hrs on record
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Source SDK
0.2 hrs last two weeks / 0.2 hrs on record
Half-Life 2
0.1 hrs on record
Half-Life 2: Lost Coast
Left 4 Dead Authoring Tools
Portal
0.7 hrs on record
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