Zaragoza becomes the crime scene in this self-guided detective game, where the clues are hidden in plain sight in the streets around you. The case is the murder of Balthasar, and the evidence is scattered across the old centre - past La Lonja, the Stone Bridge, Goya Museum and Pablo Gargallo Museum. You decode messages, photograph what does not add up and press digital witnesses whose stories never quite line up. Every puzzle you crack...