2020 · 资料书（用于增强玩法的规则/选项）
Letters From the Leagues Volume 1
A collection of articles and game material for settings of adventure, gothic horror, and cosmic terror. It covers ancient monuments, occult detective agencies, supernatural investigations, Yog-Sothoth and its cults, alienists and asylums, and additional information about London as a city of adventure. The material can be used to develop investigations, institutions, locations, and characters for globetrotting campaigns involving mysterious and supernatural threats.
骰子（主要为d2/硬币）基于属性/数值（STR、CON、PER 等）骰池（向目标掷多枚骰子）
免费，支持网页、Android 和 iOS
用 Ludoya 玩 Letters From the Leagues Volume 1
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。