Chaosium is one of the oldest publishers of role-playing games still in existence. Established by Greg Stafford in 1975, its first title was the board game White Bear and Red Moon (later called Dragon Pass), set in Stafford's fictional fantasy gaming world of Glorantha. Over the years Chaosium has published many acclaimed and award-winning games. These include the roleplaying games Call of Cthulhu, based on the stories of H.P.