Black Ops 4's Campaign Was Almost a Totally Different Game Called 'Career'
Before landing on the battle royale route, Treyarch had actually been building a mode called Career meant to continue Black Ops III's story, set in a post-apocalyptic 2070s and built around 2v2 combat between two rival factions. It got scrapped in early 2018 over technical issues and rough playtest feedback, which is what opened the door for Blackout to take its place.
