Team Fortress 2
6.5 hrs last two weeks / 309.7 hrs on record
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Call of Duty: Modern Warfare 2 - Multiplayer
3.6 hrs last two weeks / 63.4 hrs on record
Call of Duty: Modern Warfare 2
0.1 hrs on record
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Counter-Strike: Source
8.7 hrs on record
Day of Defeat: Source
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Fallout 3
8.4 hrs on record
Half-Life 2
12.1 hrs on record
Half-Life 2: Deathmatch
Half-Life 2: Episode One
2.2 hrs on record
Half-Life 2: Episode Two
5.7 hrs on record
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Half-Life 2: Lost Coast
Left 4 Dead
49.1 hrs on record
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Left 4 Dead Authoring Tools
Mass Effect
2.7 hrs on record
Portal
2.6 hrs on record
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Source SDK
