is an action-adventure stealth video game developed by Kojima Productions, published by Konami, and released for PlayStation 3, PlayStation 4, Xbox 360, Xbox One in March 2014, and for Microsoft Windows via Steam in December 2014. It is part of a sub-series of prequels in the Metal Gear series, taking place after Metal Gear Solid: Peace Walker. Ground Zeroes stands alone as the first part of Metal Gear Solid V, acting as the prologue for Metal Gear Solid V: The Phantom Pain. The game follows Snake as he infiltrates an American black site in Cuba called Camp Omega, attempting to rescue Cipher agent Paz Ortega Andrade and former Sandinista child soldier Ricardo "Chico" Valenciano Libre.