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