Nightbane is a dark fantasy role-playing game that uses the same Megaversal system as "Rifts" and a  horror role-playing game implicitly set in what time period?
Nightbane Nightbane is a dark fantasy role-playing game and setting created by C. J. Carella and published in 1995 by Palladium Books. The game uses Palladium's Megaversal system, which is also used by the multi-genre game "Rifts" and the horror game "Beyond the Supernatural", among others.
D20 Past d20 Past is a d20 based role-playing game released by Wizards of the Coast in 2005 as a supplement to "d20 Modern", providing a framework and new rules for campaigns set any historic settings from the Renaissance to World War II, including new character options and rules for early modern firearms. It begins with an exploration of the historical period between around 1450 and 1950, then provides rules for creating characters and campaigns that blend realism and fantasy. "d20 Past" also presents alternative campaign models, along with all the rules needed to play swashbuckling pirate adventures, Victorian horror investigations, thrilling Pulp Era escapades, and more, including three ready-to-play campaign modules.