Following the prologue METAL GEAR SOLID V: GROUND ZEROES, METAL GEAR SOLID V: THE PHANTOM PAIN concludes the METAL GEAR SOLID V experience by following the story of the protagonist of the series, Big Boss (a.k.a. Snake). The METAL GEAR SOLID V experience is Creator and Director Hideo Kojima's first time incorporating open world gameplay to the groundbreaking METAL GEAR franchise.

https://www.metacritic.com/game/playstation-3/metal-gear-solid-v-the-phantom-pain