From the back of the book: Dead City is the exciting and fast-paced introduction to the world of SINS, offering hours of thrilling survival-horror gameplay, with branching plotlines and evolving adversaries, taking the roles of five friends as they survive one apocalypse, only to be thrown into a desperate struggle to survive another. Dead City is a 3 to 5 hour branching adventure intended for mature readers, and requires some previous gaming experience to run. You will also need a pen, some paper, and around 10 6-sided dice.