Call of duty is a good game because you can play with your friends and you can play a battle royal game called warzone. Warzone is when you jump out of a plane and land on the map where there are about 100 other players that battle. The last man standing wins. 

Call of duty modern warfare or black ops cold war are multiplayer games. In these games you can play zombies and multiplayer. Zombies is a game mode where zombies come for you and you have to survive as long as possible. Multiplayer is like mini games and you can play with your friends and there are a lot of modes you can play.