Bioshock
0.2 hrs on record
Commander Keen Complete Pack
Crysis
Crysis Warhead
Crysis Wars
Darwinia
Doom 2
Doom 3
Doom 3: Resurrection of Evil
FarCry
Far Cry 2
Far Cry 2: Fortunes Pack
Final Doom
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
Heretic: Shadow of the Serpent Riders
Hexen
Hexen 2
Hexen: Deathkings of the Dark Citadel
Left 4 Dead
0.9 hrs on record
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Left 4 Dead Authoring Tools
Master Levels of Doom II
Multiwinia
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Overlord
Portal
2.4 hrs on record
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Prey
Quake
Quake 3 Arena
Quake 3 Team Arena
Quake II
Quake II: Ground Zero
Quake II: The Reckoning
Quake Mission Pack 1: Scourge of Armagon
Quake Mission Pack 2: Dissolution of Eternity
Return to Castle Wolfenstein
Source SDK
Spear of Destiny
Tank Universal
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Team Fortress 2
189.3 hrs on record
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Ultimate Doom
Unreal Tournament 3 Black
1.8 hrs on record
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Wolfenstein 3D
X-Com: Apocalypse
X-Com: Enforcer
X-Com: Interceptor
X-COM: Terror from the Deep
