Similarties

Battlefield and Call of Duty's objective is for you to want more, more excitement, more attachment to the game, what really hits players is their Campaign or story mode. Battlefield and Call of Duty both have interesting stories, the point of these stories is so you can get attached to the characters, since both games want to be as realistic as possible they also make the characters just as real, to a point where it makes you feel like you're in the game. No matter what the game is, if it's a nuclear disaster in Paris or battle over New York city, both games will make you attached to your fellow comrades especially when it comes to an end