Left 4 Dead 2
2.7 hrs last two weeks / 4.4 hrs on record
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Team Fortress 2
1.1 hrs last two weeks / 7.8 hrs on record
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Garry's Mod
1 hrs last two weeks / 108.7 hrs on record
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Counter-Strike: Source
8.9 hrs on record
Day of Defeat: Source
2.1 hrs on record
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Half-Life 2
Half-Life 2: Deathmatch
0.8 hrs on record
Half-Life 2: Episode One
4.1 hrs on record
Half-Life 2: Episode Two
1 hrs on record
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Half-Life 2: Lost Coast
0.2 hrs on record
Left 4 Dead
44.5 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
Portal
3.7 hrs on record
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