2009 · 资料书（用于增强玩法的规则/选项）
Darkness Without Form: Secrets of the Mimic
This supplement explores the hidden history of mimics, revealing their origins as creations of the aboleths and their role in attempts to dominate the surface world. It details the aboleth symbiote known as the landwalker suit, two forms of humanoid-symbiote mimics, and more than a dozen new mimic abilities.
技能型（购买或获得技能）基于属性/数值（STR、CON、PER 等）等级制（获得经验值并升级）
免费，支持网页、Android 和 iOS
用 Ludoya 玩 Darkness Without Form: Secrets of the Mimic
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。