Valve

Counter-Strike 1.6 Valve - Commercial - Counter-Strike is a first-person shooter in which players join either the terrorist or counter-terrorist team (or becomes a spectator). Each team atte... more info...

Counter-Strike: Source 1.0.0.0 Valve - Commercial - more info...

Portal 1.0.0.0 Valve - Shareware - more info...

Team Fortress 2.0 Valve - Shareware - more info...

Half-Life 2.0 Valve - Shareware - By taking the suspense, challenge and visceral charge of the original, and adding startling new realism and responsiveness, Half-Life 2 opens the door... more info...

Counter-Strike(TM) 1.0.0.0 Valve - Shareware - more info...

Half-Life 2: Deathmatch 1.0.0.0 Valve - Shareware - more info...

Half-Life 2: Lost Coast 1.0.0.0 Valve - Shareware - more info...

Day of Defeat: Source 22.5.2007 Valve - Commercial - Day of Defeat offers intense online action gameplay set in Europe during WWII. Assume the role of infantry, sniper or machine-gunner classes, and more... more info...

Half-Life 2: Episode One 2.1 Valve - Shareware - more info...