Call of Duty Black Ops: Cold War: CP+B Brazil uses ghost radio station for Call of Duty: Black Ops Cold War

To celebrate the success of Activision’s Call of Duty: Black Ops Cold War, CP+B Brazil recreated a ghost station that emits mysterious signals like the spy Soviet radio stations that operated during the Cold War. The radio station emitted 1,000 codes during one week. When cracked, these codes earned 10,000 vouchers for double XPs in Call of Duty: Black Ops Cold War and Call of Duty: Warzone.
The campaign included a 60-second film where viewers sneaked through an abandoned building used as the set of a former Soviet agency.