2008 · 资料书（用于增强玩法的规则/选项）
USA - Großmacht unterm Sternenbanner
A German source book for the Cthulhu roleplaying game covering the United States during the 1920s. It details major cities, everyday life, culture, society, and the arts, along with topics such as firearms, transportation, Prohibition, law enforcement, crime, Native American communities, legends, myths, and Lovecraft Country. The material provides historical and setting information for developing investigations and adventures in the era.
技能型（购买或获得技能）基于属性/数值（STR、CON、PER 等）随机属性生成（在角色创建时）
免费，支持网页、Android 和 iOS
用 Ludoya 玩 USA - Großmacht unterm Sternenbanner
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。