Call of Duty: Black Ops Cold War is a 2020 first-person shooter video game developed by Treyarch and Raven Software and published by Activision. It was released worldwide on November 13, 2020, for Microsoft Windows, PlayStation 4, PlayStation 5, Xbox One, and Xbox Series X and S. It serves as the sixth installment in the Black Ops series and the seventeenth installment in the overall Call of Duty series. The game is the second Call of Duty title since 2011's Modern Warfare 3 to be co-developed by two studios.