Call of Duty: Modern Warfare 2 - Multiplayer
10 hrs last two weeks / 10 hrs on record
Call of Duty: Modern Warfare 2
7.8 hrs last two weeks / 7.8 hrs on record
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Sid Meier's Railroads
6.7 hrs last two weeks / 6.7 hrs on record
Counter-Strike
Counter-Strike: Source
86.8 hrs on record
Darwinia
1.9 hrs on record
Day of Defeat
Deathmatch Classic
Defcon
2.4 hrs on record
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
Half-Life Deathmatch: Source
Left 4 Dead
13.3 hrs on record
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Left 4 Dead Authoring Tools
Portal
0.2 hrs on record
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Ricochet
Source SDK
Team Fortress 2
4.8 hrs on record
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Team Fortress Classic
The Ship
The Ship Tutorial
