In the heady days of youth, once your homework was finished and you'd done your chores, it felt as though you could sit and play video games without a care in the world. The older you are, of course, the further away from this halcyon innocence you get. First studying for exams, then work and eventually family conspire to turn snatched moments joyously wasted in a game into a sordid, slightly guilty pleasure. It's a sense of shame that gets worse the longer you spend, which makes vast, savagely addictive games such as Nioh (PS4) such a rich source of potential remorse. Taking its cues from Dark Souls and Bloodborne, Nioh is a game of fighting and exploring in which your ninja inches his way through labyrinthine networks of corridors, staircases and chambers populated by increasingly lethal men and beasts. Each battle rewards you with dropped pieces of equipment that you wear to improve your chances of survival, which is important in a game where even lowly enemies can kill you if you're not careful.