Left 4 Dead 2
53.9 hrs last two weeks / 135.5 hrs on record
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Left 4 Dead 2 Authoring Tools
2.4 hrs last two weeks / 2.4 hrs on record
Source SDK
1.2 hrs last two weeks / 586.3 hrs on record
Team Fortress 2
0.5 hrs last two weeks / 76.9 hrs on record
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Condition Zero
2.1 hrs on record
Condition Zero Deleted Scenes
Counter-Strike
0.9 hrs on record
Counter-Strike: Source
3.7 hrs on record
Garry's Mod
14.1 hrs on record
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Half-Life 2
234.5 hrs on record
Half-Life 2: Deathmatch
0.5 hrs on record
Half-Life 2: Episode One
Half-Life 2: Episode Two
40.9 hrs on record
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Half-Life 2: Lost Coast
Half-Life: Source
Half-Life Deathmatch: Source
Left 4 Dead
360.3 hrs on record
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Left 4 Dead 2 Add-on Support
Left 4 Dead Authoring Tools
183.9 hrs on record
Portal
2.7 hrs on record
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