For those who speak to me often, you’ll know that video-gaming is a major hobby of mine. I’ve decided that once a week, I’ll write a new article about particular games that I find enjoyable. I will go into detail about what exactly I like and what I don’t like.

While I do enjoy the Zombies mode of the Call of Duty games, I’m going to have to put my enthusiasm aside for the moment and instead talk about one of my favourite ever First Person Shooter game modes. That mode is...