As always take it as a rumor for now as Industry Insider Tidux the same person who leaked the PS4's UI, PS4 features, leaked 1.70 update and its features as well as Project Beasts and a lot of things PlayStation4 news has leaked out that Titanfall is already up and running on PS4 with reveal coming very soon
Well known industry insider Tidux has revealed some startling inside details regarding Respawn Entertainment sci-fi shooter, Titanfall.
He first tweeted that Respawn Entertainment's Titanfall is going multiplayer, and when asked to clarify what exactly he means? Tidux clarified that a build of Titanfall is already running on Playstation 4.
Tidux twitter for those who are interested: https://twitter.com/Tidux/with_replies