Hideo Kojima officially announces the development of Metal Gear Solid V: Ground Zeroes as a prologue to Metal Gear Solid V: The Phantom Pain.
The game Metal Gear Solid V: Ground Zeroes is released worldwide on PlayStation 3, PlayStation 4, Xbox 360, and Xbox One platforms.
Metal Gear Solid V: Ground Zeroes is released on Microsoft Windows (PC) via Steam and other digital platforms.
After the events of the Angola-Zaire Border Incident, Big Boss is in a coma and trapped in the Peace Walker Unit.
CIA Black Ops Unit, along with Militaires Sans Frontières (MSF) forces, infiltrate Camp Omega to rescue Paz Ortega Andrade and Ricardo "Chico" Valenciano Libre.
Big Boss successfully rescues Chico from captivity at Camp Omega, evading enemy forces.
Big Boss attempts to rescue Paz, but she is captured by UN troops and explodes a bomb strapped to her, leaving her fate ambiguous.
Big Boss sabotages the communications and power systems at Camp Omega during the rescue operation.
Evidence uncovered suggests that Cipher has orchestrated the Camp Omega attack and the capture of Paz and Chico.