Left 4 Dead 2
3 hrs last two weeks / 3 hrs on record
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Counter-Strike
Counter-Strike: Source
3.3 hrs on record
Day of Defeat
Day of Defeat: Source
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Deathmatch Classic
Half-Life
Half-Life 2
Half-Life 2: Deathmatch
Half-Life 2: Episode One
Half-Life 2: Episode Two
0.2 hrs on record
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Half-Life 2: Lost Coast
Half-Life: Blue Shift
Half-Life: Opposing Force
Left 4 Dead
7.2 hrs on record
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Left 4 Dead Authoring Tools
Portal
0.5 hrs on record
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Ricochet
Source SDK
Team Fortress 2
154.7 hrs on record
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Team Fortress Classic
