2017 · 资料书（用于增强玩法的规则/选项）
Men and Monsters Book 1: The Unseen (Whitebox)
This supplement adds paranormal threats and allies to World War II role-playing, as Axis forces bring the unnatural onto the battlefield and the Allies consider whether to follow. It features haunted figures, invisible Horlas, and an agent whose invisibility formula may test his sanity. Designed for use with Operation White Box, it can also be used with other OSR systems.
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 Men and Monsters Book 1: The Unseen (Whitebox)
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。