Counter-Strike
Counter-Strike: Source
Darkest Hour
Day of Defeat
Deathmatch Classic
Garry's Mod
4.8 hrs on record
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Half-Life
1.8 hrs on record
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
Killing Floor
1.5 hrs on record
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Killing Floor Mod: Defence Alliance 2
Killing Floor SDK
Left 4 Dead
65.6 hrs on record
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Left 4 Dead Authoring Tools
Mare Nostrum
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Mare Nostrum Dedicated Server
Portal
4 hrs on record
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Red Orchestra
72.9 hrs on record
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Ricochet
0.3 hrs on record
Source SDK
Team Fortress 2
118.7 hrs on record
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Team Fortress Classic
