Altitude
13.7 hrs last two weeks / 13.7 hrs on record
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Team Fortress 2
3.5 hrs last two weeks / 132.5 hrs on record
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Counter-Strike
114.5 hrs on record
Counter-Strike: Source
16.9 hrs on record
Day of Defeat
Day of Defeat: Source
9.4 hrs on record
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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
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Half-Life 2: Lost Coast
Half-Life: Blue Shift
Half-Life: Opposing Force
Left 4 Dead
15.6 hrs on record
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Left 4 Dead Authoring Tools
Osmos
0.4 hrs on record
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Portal
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Prototype
2 hrs on record
Ricochet
Source SDK
