2021 · 资料书（用于增强玩法的规则/选项）
Alien Elements
Strange substances that defy the laws of nature fuel new character options for science-fantasy adventures. The supplement introduces more than a dozen class features through Aetheric Scion alternate class features and Planar Maneuvers, including aetheric capacitor, flauros infusion, kinetic revival, and aetheric jaunt.
基于属性/数值（STR、CON、PER 等）骰子（主要为 d20）基于点数（分配点数以获得技能、能力等）
免费，支持网页、Android 和 iOS
用 Ludoya 玩 Alien Elements
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。