Wikipedia
GOG.com
GOG.com (formerly Good Old Games) is a distribution service for video games and films, operated by GOG Limited, a wholly owned subsidiary of CD Projekt based in Nicosia, Cyprus, with an office in Warsaw, Poland. GOG.com delivers video games through its DRM-free digital platform for Microsoft Windows, OS X and Linux. In March 2012, it began selling more recent titles such as Alan Wake, Assassin's Creed and the Metro Redux series, among many others.