Cthulhu Eternal is a tabletop roleplaying game which allows you to play out a broad range of investigative adventures in different eras of history, as tainted by the ravages of H.P. Lovecraft’s Cthulhu Mythos. The only assumptions made by the Cthulhu Eternal rules are that: • The game takes place in an era of our planet’s past, present, or future where humanity is the prevailing – although not necessarily only – species actively shaping the world. • The world is haunted by secret and mysterious survivals of otherworldly or extra-dimensional forces of Lovecraft’s mythos; clues to their existence are scattered through written accounts (if such exist) or folktales passed from generation-to-generation. • Players take on roles of everyday people from the era, without special pulp-like “super-powers”; regardless of their frailty they pursue the truth about the Cthulhu Mythos and ultimately work to thwart its corrosive influence. • Player characters are physical human beings that can be hurt, fall unconscious, or die if subject to physical damage – and conversely, they can be healed using whatever knowledge of “first aid” exists in the historical era. • Player characters are conscious and intelligent beings whose sanity can be adversely affected by witnessing terrible things beyond normal human comprehension – and conversely, they can have their mental state made better by whatever folk-remedies or medical science exists in the historical era.