Borderlands
9.5 hrs last two weeks / 36.2 hrs on record
Team Fortress 2
9.2 hrs last two weeks / 348.1 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
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
15.8 hrs on record
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Left 4 Dead Authoring Tools
Portal
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Prey
Ricochet
Source SDK
