In April 2010, another sequel to "Snake Eater," "," was released for the PlayStation Portable and was set shortly after the events of "Portable Ops". The spinoff game, ', was released in 2013 on the PlayStation 3 and Xbox 360, and in Jan 2014 on Steam(PC). The game is set after "Guns of the Patriots" and stars Raiden, the protagonist of "Sons of Liberty" who turned into a cyborg ninja. ' was released on March 18, 2014 for PlayStation 3, PlayStation 4, PC, Xbox 360, and Xbox One. Ground Zeroes was much shorter than previous games and served as an introduction to the next game, "". The latest game in the series is "The Phantom Pain", which was released on September 1, 2015 for PlayStation 3, PlayStation 4, PC, Xbox 360, and Xbox One.