Call of Duty: Black Ops 4 is a multiplayer-only installment in the famous series of first-person shooters. It does not include a single player option. ###Gameplay The players control their characters from the first person view and fight each other in teams or individually using various firearms. While the basics of the game are the same as in previous Black Ops games, there are some additions and some subtractions. The health regeneration was scrapped, and instead, each player has a health pack...