Counter-Strike
5.5 hrs on record
Counter-Strike: Source
4.2 hrs on record
Day of Defeat
Deathmatch Classic
Half-Life
Half-Life 2
27.8 hrs on record
Half-Life 2: Deathmatch
Half-Life 2: Lost Coast
Half-Life: Blue Shift
Half-Life: Opposing Force
Half-Life: Source
Half-Life Deathmatch: Source
Ricochet
Source SDK
