Ad-supported, naturally. http://www.bit-tech.net/news/gaming/2017/01/06/liquidsky-free-cloud-gaming/1
Starts with Unity 5.4 export capabilities. http://www.bit-tech.net/news/gaming/2016/08/22/facebook-unity-gaming-platform/1
Battlefield, Need for Speed both hit. http://www.bit-tech.net/news/gaming/2015/04/16/ea-shuts-down-f2p-games/1
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