2020 · 资料书（用于增强玩法的规则/选项）
Octhorrorfest!
A fantasy roleplaying supplement for Old-School Essentials and B/X campaigns, bringing Halloween and Samhain themes into play. It introduces the Witch, Witchhunter, and Jack-O-Kin classes, new witch spells, ritual magic rules, and monsters inspired by classic horror films. Additional rules cover possession, obsession, exorcism, vampirism, jack-o’-lantern magic, and the Elder Sigh, an encounter with the Outer Dark.
基于属性/数值（STR、CON、PER 等）等级制（获得经验值并升级）职业制（飞行员、巫师、科学家等）
免费，支持网页、Android 和 iOS
用 Ludoya 玩 Octhorrorfest!
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。