2007 · 资料书（用于增强玩法的规则/选项）
The Book of Unremitting Horror (D20 Version)
A sourcebook for d20 horror campaigns, featuring thirty unusual creatures shaped by human vice, greed, and the darker side of everyday life. Each horror includes its own legend, motives, behavior, origins, special abilities, and the forensic clues it leaves behind, presented through diary entries, articles, and transcripts. The book also includes The Final Case, an adventure that puts these horrors into play.
- 人数
- 0
等级制（获得经验值并升级）基于种族（玩家的种族/物种影响游戏玩法）骰子（主要为 d20）
免费，支持网页、Android 和 iOS
用 Ludoya 玩 The Book of Unremitting Horror (D20 Version)
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。