1987 · 资料书（用于增强玩法的规则/选项）
Covert Operations Source Book (Vol. 1)
This sourcebook provides background on the CIA and KGB around 1987, along with several dozen espionage case files. The files recount a range of spy-related incidents for use as historical reference or scenario inspiration.
技能型（购买或获得技能）基于属性/数值（STR、CON、PER 等）骰子（百分位）
免费，支持网页、Android 和 iOS
用 Ludoya 玩 Covert Operations Source Book (Vol. 1)
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