The Ecryme Conductor's Manual is specifically aimed at the game master; it explains many of the secrets that rule the world of Ecryme. Here, you also find plenty of advice on how to handle Ecryme game sessions.
Ecryme is a dystopian steampunk TTRPG set in a time parallel to our Gilded Age, but in a world forever changed by an apocalyptic event in the distant past. It uses a simple 2d6 system that favors skill investment over luck to drive moody, investigative roleplay driven by characters’ ambitions.