A Hollywood horror film that you can both watch and play – that is the gist of “The Quarry”, which sees you guiding the decisions of a bunch of teens at summer camp where something is lurking in the nearby woods. The player acts as the director of this horror adventure story, since the plot changes with every decision you make. Who will survive and which people get paired up – all that is in your hands. In true horror tradition, the story centres around nine teenage counsellors at Hackett’s Quarry holiday camp. At the end of the summer, once everyone has left camp, the counsellors are keen to …