2013 · 资料书（用于增强玩法的规则/选项）
Double Doors
A dungeon-design supplement focused on double doors. It provides general information and tables for describing doors and adding features such as hidden compartments, fungal growths, and discarded equipment, for use during preparation or play. It also includes three door-based traps, rated CR 8–10.
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 Double Doors
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。