Left 4 Dead 2
13.2 hrs last two weeks / 21.2 hrs on record
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Counter-Strike: Source
1.7 hrs last two weeks / 5.4 hrs on record
FlatOut2
0.6 hrs last two weeks / 1.6 hrs on record
Advent Rising
Alien Shooter
Alien Shooter - Revisited
Alien Shooter 2 - Reloaded
Alien Shooter: Vengeance
Alpha Prime
Arx Fatalis
AstroPop Deluxe
Attack on Pearl Harbor
Bejeweled 2 Deluxe
Bejeweled Deluxe
Big Money Deluxe
BloodRayne
BloodRayne 2
BookWorm Deluxe
Bullet Candy
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Chuzzle Deluxe
Cogs
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Commander Keen Complete Pack
Condition Zero
Condition Zero Deleted Scenes
Counter-Strike
Crayon Physics Deluxe
Crazy Machines
Crazy Machines 1.5 Inventors Training Camp
Crazy Machines 1.5 New from the Lab
Crazy Machines 2
Dangerous Waters
Darkest Hour
Darwinia
Day of Defeat
Day of Defeat: Source
0.6 hrs on record
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Deathmatch Classic
Defcon
1.7 hrs on record
Disciples II Galleans Return
Disciples II Rise of the Elves
Doom 2
Doom Rails
Drug Wars
Ducati World Championship
Dynomite Deluxe
Eets
Feeding Frenzy 2 Deluxe
Final Doom
Garry's Mod
3.6 hrs on record
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Geometry Wars
Ghost Master
Gish
Gumboy Crazy Adventures
Gumboy Crazy Features
Gumboy Tournament
Half-Life
Half-Life 2
Half-Life 2: Deathmatch
0.4 hrs on record
Half-Life 2: Episode One
Half-Life 2: Episode Two
3.8 hrs on record
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Half-Life 2: Lost Coast
Half-Life: Blue Shift
Half-Life: Opposing Force
Half-Life: Source
Half-Life Deathmatch: Source
Hammer Heads Deluxe
Harvest: Massive Encounter
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Heavy Weapon Deluxe
Heretic: Shadow of the Serpent Riders
Hexen
Hexen 2
Hexen: Deathkings of the Dark Citadel
Iggle Pop Deluxe
Imperium Romanum
Insaniquarium Deluxe
Iron Warriors
ItzaBitza
Joint Task Force
Killing Floor
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Killing Floor Mod: Defence Alliance 2
Killing Floor SDK
Larva Mortus
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Left 4 Dead
125.6 hrs on record
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Left 4 Dead 2 Add-on Support
Left 4 Dead 2 Authoring Tools
Left 4 Dead 2 Demo
Left 4 Dead Authoring Tools
1.4 hrs on record
Madballs in...Babo:Invasion
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Making History: The Calm and The Storm
Mare Nostrum
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Mare Nostrum Dedicated Server
Massive Assault
Massive Assault: Phantom Renaissance
Master Levels of Doom II
Metal Drift
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Multiwinia
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Mystery P.I. - The Lottery Ticket
Obulis
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Oddworld: Abe's Exoddus
Oddworld: Abe's Oddysee
Pacific Storm
Pacific Storm: Allies
Painkiller: Gold Edition
Painkiller Overdose
Peggle Deluxe
5.4 hrs on record
Penguins Arena: Sedna's World
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Pizza Frenzy
Portal
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Project Aftermath
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Psychonauts
Quake
Quake II
Quake II: Ground Zero
Quake II: The Reckoning
Quake Mission Pack 1: Scourge of Armagon
Quake Mission Pack 2: Dissolution of Eternity
RACE 07
Raycatcher
Red Orchestra
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Ricochet
RIP
RIP 2 - Strike Back
RIP 3 - The Last Hero
Rocket Mania Deluxe
Safecracker: The Ultimate Puzzle Adventure
Shadowgrounds
Shadowgrounds Survivor
SiN 1
SiN 1 Multiplayer
Source SDK
Space Empires IV Deluxe
Space Empires V
SpaceForce: Rogue Universe
Space Trader
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Spear of Destiny
Talismania Deluxe
Team Fortress 2
4.3 hrs on record
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Team Fortress Classic
The Longest Journey
The Maw
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The Maw Deleted Scene - Brute Force
The Maw Deleted Scene - River Redirect
The Maw Deleted Scene - Speeder Lane
The Ship
The Ship Tutorial
Trine
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Typer Shark Deluxe
UFO: Afterlight
Ultimate Doom
Vegas - Make It Big
Vigil - Blood Bitterness
Wolfenstein 3D
World of Goo
1.8 hrs on record
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X2: The Threat
X3: Reunion
Zombie Shooter
Zombie Shooter 2
