Team Fortress 2
186 hrs last two weeks / 1963.9 hrs on record
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Garry's Mod
0.7 hrs last two weeks / 47.8 hrs on record
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Audiosurf
2.6 hrs on record
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Counter-Strike: Source
Half-Life 2
57.3 hrs on record
Half-Life 2: Deathmatch
0.8 hrs on record
Half-Life 2: Episode One
Half-Life 2: Episode Two
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Half-Life 2: Lost Coast
Half-Life Deathmatch: Source
Left 4 Dead
32.6 hrs on record
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Left 4 Dead Authoring Tools
Portal
4 hrs on record
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Source SDK
17.2 hrs on record
Unreal Tournament 3 Black
22.7 hrs on record
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