Call of Duty is a popular video game series known for its realistic depictions of military conflicts. While the games are often inspired by real historical events and settings, they are not based on specific true stories.
Call of Duty: Black Ops Cold War's campaign is set during the Cold War in the early 1980s. It follows Green Beret turned CIA SAD/SOG officer Russell Adler (Bruce Thomas) and his mission to stop an international espionage threat known as Perseus (William Salyers) in 1981. The story is inspired by actual events.