Counter-Strike: Condition Zero is released, a stand-alone version of the original mod developed by third-party Turtle Rock Studios, with additional maps and a single-player campaign,...
Gabe Newell posts an apologetic letter on HalfLife2.net explaining publically for the first time that Valve was hacked and small chunks of code as well as levels from Half-Life 2...
The concern over Steam is nothing compared to the pure rage that unfolds as the last day of September comes and goes without so much as a peep from Valve on the status of Half-Life...
Steam is released as a non-beta client. Right away users see that it is much more than a simple distribution service, also covering game registration, multiplayer servers and anti-cheat...
A German hacker named Axel Gembe breaks into Valve’s secure network undetected and steals pieces of source code as well as small sections of Half-Life 2 which had been shown at E3....
After countless rumors, Half-Life 2 is officially announced and previewed at E3. Showing off the years of work that went into the Source engine, many a jaw hits the floor as Gabe...
Valve releases Day of Defeat as an official mod. While it never gains the popularity of Team Fortress Classic or Counter Strike, it nevertheless sets a new standard for all World...
At the Game Developers’ Conference, Valve unveils Steam, which at the time is simply intended to be a digital distribution service. There is no mention made of any of the other features...