Space Empires IV Deluxe
1.9 hrs last two weeks / 9.3 hrs on record
Plants vs. Zombies
1.3 hrs last two weeks / 5.7 hrs on record
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Bioshock
Commander Keen Complete Pack
Counter-Strike
Counter-Strike: Source
Day of Defeat
Deathmatch Classic
Doom 2
Doom 3
Doom 3: Resurrection of Evil
Evil Genius
Fallout 3
Final Doom
Frontlines: Fuel of War
Garry's Mod
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Half-Life
Half-Life 2
2.2 hrs on record
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
Heretic: Shadow of the Serpent Riders
Hexen
Hexen 2
Hexen: Deathkings of the Dark Citadel
Left 4 Dead
15.4 hrs on record
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Left 4 Dead Authoring Tools
1.6 hrs on record
Master Levels of Doom II
Nexus - The Jupiter Incident
1.7 hrs on record
Oddworld: Abe's Exoddus
Oddworld: Abe's Oddysee
Peggle Deluxe
1.1 hrs on record
Peggle Nights
2.7 hrs on record
Portal
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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
Ricochet
Source SDK
5.3 hrs on record
Space Empires V
1.5 hrs on record
Spear of Destiny
Team Fortress 2
4 hrs on record
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Team Fortress Classic
Ultimate Doom
Unreal Gold
Unreal II: The Awakening
Unreal Tournament
Unreal Tournament 3 Black
0.8 hrs on record
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Unreal Tournament 2004
Wolfenstein 3D
X-Com: Apocalypse
X-Com: Enforcer
X-Com: Interceptor
X-COM: Terror from the Deep
X-Com: UFO Defense
4.2 hrs on record
Zeno Clash
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