Missions. Call of Duty: Black Ops contains fifteen single player levels. "Operation 40" - Escape police forces and assassinate Fidel Castro. "Vorkuta" - Participate in the Vorkuta prison break.
However, the game's single-player campaign can still be enjoyed regardless of the online player count. In conclusion, Black Ops 1 is indeed playable in 2024 on PlayStation 3, Xbox 360, and PC (Microsoft Windows).