2023 · 资料书（用于增强玩法的规则/选项）
The Danger & Darkness Below
A tabletop roleplaying supplement for creating dangerous adventures through dank, maze-like sewers. It provides encounters, hazards, obstacles, monsters, items, and treasures for city-based campaigns or standalone crawls. The supplement also includes the Grimer, an original Shadowdark character class suited to navigating the sludge and darkness.
基于属性/数值（STR、CON、PER 等）等级制（获得经验值并升级）骰子（主要为 d20）
免费，支持网页、Android 和 iOS
用 Ludoya 玩 The Danger & Darkness Below
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。