Dark Tales from Mxico Prelude Just a Dream with The Sack Man — it is a saga of 9 short games and a 3D survival horror prelude based on tales from real Mexican folklore, where each monster is first a physical sculpture, made and painted by hand, and then scanned in 3D using photogrammetry. You are a young girl who is sleeping and she has a nightmare in the middle of which your grandmother appears and gives you a key, then a black cat starts talking to you and says that if you want to wake up, you must recover in a short time.