Hubris Games

year of pub­li­ca­ti­onISBNauthor(s)title
1998978-0-9660736-0-7Christian AldridgeMaelstrom Storytelling
2001978-0-9660736-7-6   ''Story Engine: Universal Rules (Roleplaying Game)
  ''978-0-9660736-8-3   ''Story Engine Universal Rules