is an open world action-adventure stealth video game developed by Kojima Productions, directed, designed, co-produced and co-written by Hideo Kojima, and published by Konami for Microsoft Windows, PlayStation 3, PlayStation 4, Xbox 360 and Xbox One. It was released worldwide on September 1, 2015. The game is the eleventh canonical and final installment in the Metal Gear series and the fifth within the series' chronology. It serves as a sequel to Metal Gear Solid V: Ground Zeroes, and a continuation of the narrative established there, and a prequel to the original Metal Gear game. It carries over the tagline of Tactical Espionage Operations first used in Metal Gear Solid: Peace Walker. Set in 1984, the game follows the mercenary leader Punished "Venom" Snake as he ventures into Afghanistan and the Angola–Zaire border region to exact revenge on the people who destroyed his forces and came close to killing him during the climax of Ground Zeroes.