Counter-Strike: Source
18.9 hrs last two weeks / 579.5 hrs on record
Counter-Strike
5.4 hrs on record
Day of Defeat
Deathmatch Classic
Half-Life
Half-Life 2
Half-Life 2: Deathmatch
Half-Life 2: Lost Coast
Half-Life: Blue Shift
Half-Life: Opposing Force
Ricochet
Source SDK
