Horror games obviously appeal to gamers who don’t scare easily, but hardly any titles have been as graphically violent as “Martha Is Dead.” Players take on the role of young Giulia, who finds her twin sister Martha dead in a lake towards the end of World War II. Giulia slips into the role of her dead sister, who she feels was more loved by their mother. What could possibly go wrong? To progress in this psychological horror, photos must be taken regularly and developed in a mini-game. The detailed game world set around a country house in Tuscany has a lot of secrets to offer. Exploring them is …