All Valve Xbox 360 games but one on Games on Demand August 8, 2012 by admin Tweet Even though Valve’s Gabe Newell has been critical of Windows 8, it hasn’t appeared to hamper the developer’s relationship with Microsoft, as all of its Xbox 360 games but one are on Games on Demand. Read more… Neowin Related Posts:Valve reveals what games made the most money on…Valve says it won't ban games on Steam with AI…Valve announces Steam Families as a new way to share…Valve certifies 5,000 games as Verified or Playable…Microsoft Xbox app for Windows update has Quick…