Valve Pushes Back Release of Steam Machines to 2015 Valve had first announced SteamOS, and the third-party Steam Machines that would run it, back in September. In January at CES, the company announced 13 Steam Machine partners, including names like Alienware May 28, 2014 Game Online/industrial Power/IT Magazine/LCD TV/LED TV/Magazine Advertisement india/Mobile Launch/Motherboard/Networking/News/Security/Social Media/Tablet/Tech Hardware/Technology News/Telecom News/TV