For PS4 free to play titles it will be the Dev/Publishers decision whether or not to put their game behind the play station plus pay wall. DC Universe online, Planetside 2, Warframe, and Blacklight Retribution are confirmed to not require Play Station Plus. [url=http://www.ign.com/articles/2013/06/13/ps4-publishers-decide-if-free-to-play-needs-ps-plus]Source.[/url]