Condition Zero
Condition Zero Deleted Scenes
Counter-Strike
Counter-Strike: Source
Day of Defeat
Day of Defeat: Source
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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
Half-Life: Source
Half-Life Deathmatch: Source
Left 4 Dead
97 hrs on record
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Left 4 Dead Authoring Tools
Portal
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Ricochet
Source SDK
Team Fortress 2
154.9 hrs on record
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Team Fortress Classic
Unreal Tournament 3 Black
3.5 hrs on record
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X-Com: Apocalypse
X-Com: Enforcer
X-Com: Interceptor
X-COM: Terror from the Deep
