An official OSE supplement of demons, cults, and dark magic.

ENNIE Award Nominated RPG (Best Rules, Product of the Year 2025) Memento Mori is back with the limited Deathless Edition, and a brand new Campaign: The Old City

Memento Mori is a role-playing game in which Players take the role of Drifters, people sick with the plague who, despite their condition and the terrible reality of Medieval Europe, are determined to fulfill their Dream.

Whether you’re a group of local heroes sent to investigate mysterious goings-on in the nearby haunted wood, or famous mercenaries plotting and scheming in the big city, the MCDM RPG makes building adventures and fighting monsters fun.