Counter-Strike
Counter-Strike: Source
3.2 hrs on record
Day of Defeat
Deathmatch Classic
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
24.3 hrs on record
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Left 4 Dead Authoring Tools
Peggle Deluxe
Plants vs. Zombies
31.2 hrs on record
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Portal
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Ricochet
Source SDK
Team Fortress 2
57.1 hrs on record
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Team Fortress Classic
X-Com: Apocalypse
X-Com: Enforcer
X-Com: Interceptor
X-COM: Terror from the Deep
