Operation: Seventh Seal
Operation: Seventh Seal is a 1985 role-playing game adventure published by TSR for Top Secret.
Plot summary
Operation: Seventh Seal is an adventure in which the player character agents are tasked with solving a murder while simultaneously working to save Los Angeles from a threat of nuclear blackmail.[1]
Publication history
Operation: Seventh Seal was written by Evan Robinson and published by TSR in 1985 as a 32-page book with an outer folder.[1]