Left 4 Dead 2
3 hrs last two weeks / 20.9 hrs on record
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Half-Life 2: Episode Two
1.1 hrs last two weeks / 3.6 hrs on record
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Condition Zero
14.3 hrs on record
Condition Zero Deleted Scenes
Counter-Strike
0.7 hrs on record
Counter-Strike: Source
7.9 hrs on record
Day of Defeat
Day of Defeat: Source
0.4 hrs on record
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Deathmatch Classic
Half-Life
Half-Life 2
Half-Life 2: Deathmatch
Half-Life 2: Episode One
Half-Life 2: Lost Coast
Half-Life: Blue Shift
Half-Life: Opposing Force
Half-Life Deathmatch: Source
Left 4 Dead
119.5 hrs on record
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Left 4 Dead 2 Add-on Support
Left 4 Dead 2 Authoring Tools
Left 4 Dead 2 Demo
1.8 hrs on record
Left 4 Dead Authoring Tools
Portal
3.8 hrs on record
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Ricochet
Source SDK
Team Fortress 2
0.8 hrs on record
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