Counter-Strike
Counter-Strike: Source
9.2 hrs on record
Day of Defeat
Deathmatch Classic
F.E.A.R. 2: Project Origin JP
1.3 hrs on record
Half-Life
Half-Life 2
Half-Life 2: Deathmatch
Half-Life 2: Lost Coast
Half-Life: Blue Shift
Half-Life: Opposing Force
Lost Planet: Extreme Condition
Ricochet
Source SDK
