2019 · 资料书（用于增强玩法的规则/选项）
Abomination Appendix Vol. I: Underground Monsters
A fantasy roleplaying bestiary providing OGL-compatible alternatives to classic monsters that cannot normally be used. This volume focuses on creatures found beneath the surface, including burrowers, cave giants, kongamoto, merrow, miasma serpents, avesa rakshasas, and tunnel brutes. The rules are primarily based on second edition conventions and use a single-save system.
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 Abomination Appendix Vol. I: Underground Monsters
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。