Team Fortress 2
102.4 hrs last two weeks / 1195.3 hrs on record
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Left 4 Dead 2
17.4 hrs last two weeks / 71.8 hrs on record
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Source SDK
15.3 hrs last two weeks / 147.1 hrs on record
Half-Life 2: Deathmatch
0.7 hrs last two weeks / 24.9 hrs on record
Counter-Strike: Source
46.1 hrs on record
Day of Defeat: Source
56.2 hrs on record
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Half-Life 2
Half-Life 2: Episode One
Half-Life 2: Episode Two
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Half-Life 2: Lost Coast
1 hrs on record
Left 4 Dead
555.6 hrs on record
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Left 4 Dead Authoring Tools
0.4 hrs on record
Lost Planet: Extreme Condition
Portal
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