S.T.A.L.K.E.R.: Clear Sky
9.3 hrs last two weeks / 40 hrs on record
Call of Duty: World at War
Counter-Strike: Source
Dark Messiah Might and Magic Multi-Player
Dark Messiah Might and Magic Single Player
Grand Theft Auto: Vice City
0.6 hrs on record
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
Osmos
1 hrs on record
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Peggle Deluxe
1 hrs on record
Portal
5.4 hrs on record
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Shattered Horizon
Source SDK
Team Fortress 2
10.7 hrs on record
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Unreal Tournament
Warhammer® 40,000™: Dawn of War® II
31 hrs on record
World of Goo
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Zeno Clash
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