2020 · 资料书（用于增强玩法的规则/选项）
The Secret Frequency Files
This supplement provides story hooks, settings, antagonists, and rules updates for Chronicles of Darkness 2nd Edition, supporting Vampire, Mage, Geist, Promethean, and other games in the line. Contents include the Tomb of William MacKenzie, an update for the Architects of the Monolith bloodline, the ghostly alchemist Johannes Kunckel, and a collection of supernatural Black Dog threats. It also presents the Isle of Wight as a setting for supernatural stories.
场景 / 冒险 / 模块基于属性/数值（STR、CON、PER 等）基于点数（分配点数以获得技能、能力等）技能型（购买或获得技能）
免费，支持网页、Android 和 iOS
用 Ludoya 玩 The Secret Frequency Files
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。