Left 4 Dead 2
1.7 hrs last two weeks / 29.9 hrs on record
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Condition Zero
28.7 hrs on record
Condition Zero Deleted Scenes
Counter-Strike
Counter-Strike: Source
1.7 hrs on record
Darkest Hour
Day of Defeat
Deathmatch Classic
Half-Life
Half-Life 2
Half-Life 2: Deathmatch
Half-Life 2: Episode One
Half-Life 2: Episode Two
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Half-Life 2: Lost Coast
Half-Life: Blue Shift
Half-Life: Opposing Force
Half-Life: Source
Half-Life Deathmatch: Source
Left 4 Dead
96.3 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
5.5 hrs on record
Left 4 Dead Authoring Tools
Mare Nostrum
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Mare Nostrum Dedicated Server
Portal
2.5 hrs on record
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Red Orchestra
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Ricochet
Source SDK
Team Fortress 2
49.4 hrs on record
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Team Fortress Classic
