GamerFitNation: "Co-op…sweet Co-op. We have all played some type of co-op in the past couple of years. Whether you are at home with a friend, or gaming online—you’ve played with someone else. However, there are things that certain individuals do that will irk you when playing. Well, at least I believe so. I’ve classified co-op styles into 3 different categories: Co-op, Bro-op, or No-op."