Beyond the modern world, with its magical and technological secrets, other planes of existence beckon. Gates connect alternate Earths to mystic Otherworlds and demon-ruled Netherworlds. Will their threefold secrets bring hope or horror? Thats for your heroes to decide. Threefold is a new original setting for the Modern AGE roleplaying game, designed to support adventures using virtually any genre or character type all within the same grand Metacosm.