Marathon is a horror game. Well, it should be, anyway (or I suppose in some ways it already is). The ever under-respected genre is not where Bungie’s take on an extraction shooter currently sits, even if there are still qualities to be found in the likes of jump scares, a clingy, sticky tension, hints of something that went catastrophically wrong. I want more of these elements of horror, and oh lucky me, the first trailer for the game’s second season…