Valve South, founded as Turtle Rock Studios in March 2002 by Michael Booth, is an independent game developer in the business of creating original entertainment titles and providing consulting services to the digital entertainment industry.
Turtle Rock Studios announced on March 16, 2006 they would be working with VALVe on a "Source project", later to be named Left 4 Dead, which would be utilizing Valve's Source Engine and Steam. Press release.
On January 10th, 2008, Turtle Rock was acquired by Valve and renamed as Valve South. You can read the Press Release here.
|2008||Left 4 Dead|
|2004 - 2018||Counter-Strike: Source|
|2004||Counter-Strike: Condition Zero|
Counter-Strike: Source Maps
Counter-Strike: Source Bot
Turtle Rock Studios is responsible for the artificial intelligence behind the Counter-Strike: Source Bot.