Team Fortress 2
32.2 hrs last two weeks / 555.6 hrs on record
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Half-Life 2: Episode Two
5.6 hrs last two weeks / 6.2 hrs on record
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Half-Life 2: Episode One
2.9 hrs last two weeks / 8.9 hrs on record
Left 4 Dead 2
1.7 hrs last two weeks / 12.3 hrs on record
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Everyday Shooter
0.7 hrs last two weeks / 0.7 hrs on record
Audiosurf
0.9 hrs on record
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Blueberry Garden
Braid
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Crayon Physics Deluxe
Darwinia
Gish
Grand Theft Auto IV
Half-Life 2
24.1 hrs on record
Half-Life 2: Lost Coast
Left 4 Dead
32.1 hrs on record
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Left 4 Dead 2 Add-on Support
Left 4 Dead 2 Authoring Tools
Left 4 Dead 2 Demo
0.4 hrs on record
Left 4 Dead Authoring Tools
Mirror's Edge
Mr. Robot
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Nation Red
8.5 hrs on record
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Portal
12.5 hrs on record
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Source SDK
The Path
World of Goo
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Zeno Clash
8.4 hrs on record
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