The Darkest House is a horror adventure sourcebook compatible with the RPG you are currently playing. Inside, you will find everything you need to bring your characters into "The Darkest House," regardless of the game system you use. The house keeps growing and features dozens of detailed rooms—each with its own horrors and secrets. The book includes hundreds of downloadable maps, illustrations, and other resources accessible via QR codes. The book is in English.

What happens to a house when it sits alone for so many long years? What jealousies and hatreds does it quietly nurture? What whispers echo through its empty hallways? What waits, crouched within its dark rooms, hungering for the return of life? For you? The Darkest House is a descent into horror for the game you're playing right now.

It chills and frightens players like no other RPG experience—but along the way, their characters will face unique challenges that make them deeper, richer, and more powerfully bonded as a party. It integrates into your campaign regardless of the setting or game system, as a recurring element or a single mega-adventure, developing and enriching characters and your party as they play it.