Counter-Strike 1.6’s latest update inadvertently included Valve’s earliest prototype of Left 4 Dead, back when the zombie game was a simple mod called ... formerly known as Valve South, were primarily ...

When asked to explain why Valve never made Half-Life 2: Episode 3 for the recent 20th anniversary documentary, Gabe Newell said that he "couldn't figure out why doing Episode 3 was pushing ...