Team Fortress 2
3.5 hrs last two weeks / 199.3 hrs on record
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Audiosurf
0.8 hrs on record
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Bioshock
Counter-Strike
Counter-Strike: Source
Day of Defeat
Day of Defeat: Source
1.2 hrs on record
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Deathmatch Classic
Garry's Mod
3.3 hrs on record
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Half-Life
Half-Life 2
Half-Life 2: Deathmatch
Half-Life 2: Episode One
Half-Life 2: Episode Two
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Half-Life 2: Lost Coast
Half-Life: Blue Shift
Half-Life: Opposing Force
Left 4 Dead
78.6 hrs on record
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Left 4 Dead Authoring Tools
0.2 hrs on record
Oddworld: Abe's Oddysee
Portal
2 hrs on record
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Ricochet
Source SDK
