Serious Sam HD: The First Encounter
3.1 hrs last two weeks / 26.2 hrs on record
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Left 4 Dead 2 Authoring Tools
0.7 hrs last two weeks / 0.7 hrs on record
Crysis
7.5 hrs on record
F.E.A.R. 2: Project Origin
0.4 hrs on record
Half-Life 2
1.5 hrs on record
Half-Life 2: Episode One
Half-Life 2: Episode Two
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Half-Life 2: Lost Coast
Left 4 Dead
12.4 hrs on record
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Left 4 Dead 2
5.9 hrs on record
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Left 4 Dead 2 Add-on Support
Left 4 Dead Authoring Tools
20.6 hrs on record
Portal
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Shattered Horizon
0.7 hrs on record
Source SDK
56.3 hrs on record
Team Fortress 2
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