Left 4 Dead 2
16 hrs last two weeks / 49 hrs on record
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Counter-Strike
Counter-Strike: Source
Day of Defeat
Deathmatch Classic
Half-Life
Half-Life 2
Half-Life 2: Deathmatch
19 hrs on record
Half-Life 2: Episode One
Half-Life 2: Episode Two
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Half-Life 2: Lost Coast
Half-Life: Blue Shift
Left 4 Dead
89 hrs on record
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Left 4 Dead 2 Demo
43 hrs on record
Left 4 Dead Authoring Tools
Opposing Force
Portal
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Ricochet
Source SDK
Street Fighter IV
30 hrs on record
Team Fortress 2
383 hrs on record
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