Falcom is one of the publishers that has been backing PlayStation Plus in Japan. The Legend of Heroes: Trails in the Sky SC is available as a free play title. On top of that, The Legend of Heroes: Trails in the Flash for PlayStation 3 has a game trial for PlayStation Plus subscribers.
Arc System Works is another key supporter. In fact, three of the free play games are from Arc System Works – Guilty Gear Judgment for PSP, Jake Hunter: Ash and Diamond for PSP, and Guilty Gear XX Accent Core Plus R for Vita.