Team Fortress 2
24.3 hrs last two weeks / 397.5 hrs on record
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Garry's Mod
5 hrs last two weeks / 228 hrs on record
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Source SDK
2.6 hrs last two weeks / 84.2 hrs on record
Half-Life
0.7 hrs last two weeks / 11.9 hrs on record
Counter-Strike: Source
Day of Defeat: Source
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Half-Life 2
33 hrs on record
Half-Life 2: Deathmatch
Half-Life 2: Episode One
4.4 hrs on record
Half-Life 2: Episode Two
21.4 hrs on record
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Half-Life 2: Lost Coast
Half-Life: Blue Shift
Half-Life: Opposing Force
Left 4 Dead
1.2 hrs on record
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Left 4 Dead 2
0.1 hrs on record
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Left 4 Dead 2 Add-on Support
Left 4 Dead 2 Authoring Tools
Left 4 Dead Authoring Tools
0.2 hrs on record
Portal
6.6 hrs on record
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