Additional
Information: Valve is an entertainment software company founded by Gabe Newell and Mike Harrington and based in Kirkland, Washington. Their debut product, Half-Life, released in November, 1998, has won more than 50 Game of the Year honors worldwide.
Valve Software Valve Software: Official site includes project information, awards they have won, information about the company, job postings, and biographies of the people who currently work there. (Valve Software) http://www.valvesoftware.com/