Valve (www.valvesoftware.com) is an entertainment software and technology company founded in 1996. In addition to creating several of the world's most award-winning games, Valve is also a developer of leading-edge technologies including the Source® game engine and Steam® (www.steampowered.com), a leading platform for PC, Mac, and Linux software with over 100 million registered users and over 6,000 titles from developers and publishers around the world