Source SDK
20 hrs last two weeks / 52 hrs on record
Half-Life 2
12 hrs last two weeks / 12 hrs on record
Team Fortress 2
1 hrs last two weeks / 158 hrs on record
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Half-Life 2: Episode Two
0 hrs last two weeks / 1 hrs on record
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Portal
0 hrs last two weeks / 0 hrs on record
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Aquaria
9 hrs on record
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Counter-Strike
Counter-Strike: Source
Darwinia
Day of Defeat
Day of Defeat: Source
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Deathmatch Classic
Deus Ex: Game of the Year Edition
0 hrs on record
Deus Ex: Invisible War
Half-Life
0 hrs on record
Half-Life 2: Deathmatch
Half-Life 2: Episode One
Half-Life 2: Lost Coast
Half-Life: Blue Shift
Half-Life Deathmatch: Source
Left 4 Dead
3 hrs on record
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Left 4 Dead Authoring Tools
Opposing Force
Peggle Deluxe
5 hrs on record
Peggle Nights
Plants vs. Zombies
5 hrs on record
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Prey
Rag Doll Kung Fu
Ricochet
Shadowgrounds
SiN 1
SiN 1 Multiplayer
SiN Episodes: Emergence
Team Fortress Classic
Torchlight
13 hrs on record
Torchlight Editor
Unreal Tournament 3 Black
2 hrs on record
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Zeno Clash
3 hrs on record
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