"Schafer recounted a Mexican folklore about how the dead were buried with two bags of gold to be used in the afterlife, one on their chest and one hidden in their coffin, such that if the spirits in the afterlife stole the one on the chest, they would still have the hidden bag of gold; this idea of a criminal element in the afterlife led to the idea of a crime-ridden, film noir style to the world, triggered too many ideas that they had to then trim down.The division of the game into four years was a way of breaking the game's overall puzzle into four discrete sections.