2005 · 资料书（用于增强玩法的规则/选项）
Spy Radios and Cipher Devices
A supplement for espionage campaigns featuring 15 communication devices used by clandestine operatives from the early and mid-20th century. It includes 11 spy radios, including direction-finding and wrist radios, along with four cipher devices such as decoder rings. The supplement also adds five feats, broadcasting rules explained in simple game terms, and six illustrated device references. Designed for 1948 campaigns, the equipment can also be used in WWII, 1930s, and Cold War settings.
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 Spy Radios and Cipher Devices
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。