Left 4 Dead 2
12.7 hrs last two weeks / 20.9 hrs on record
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Counter-Strike
222.4 hrs on record
Counter-Strike: Source
Day of Defeat
Deathmatch Classic
Half-Life
Half-Life 2
0.3 hrs on record
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
29.2 hrs on record
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Left 4 Dead Authoring Tools
9 hrs on record
Portal
0.6 hrs on record
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Ricochet
Source SDK
Team Fortress 2
0.1 hrs on record
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