AudienceEnterpriseNews Valve is working on Steam and "Left 4 Dead 2" for Linux By The H - April 25, 2012 56 FacebookTwitterPinterestWhatsAppLinkedinReddItEmail Valve, best known for games like Half Life and Portal, is reportedly working on a Linux version of the Steam client software and on “Left 4 Dead”, a game based on the company’s “Source Engine” Read more at The H