2018 · 资料书（用于增强玩法的规则/选项）
The Lost City Campaign Sourcebook
A compilation of original material and resources gathered from Dragonsfoot and other online sources, designed to supplement B4: The Lost City. It provides additional background, encounters, and campaign material for expanding adventures in the setting.
等级制（获得经验值并升级）职业制（飞行员、巫师、科学家等）基于种族（玩家的种族/物种影响游戏玩法）
免费，支持网页、Android 和 iOS
用 Ludoya 玩 The Lost City Campaign Sourcebook
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。