2009 · 资料书（用于增强玩法的规则/选项）
Ephemeris: Critters and Pests
This reference book details small creatures that stow away on spacecraft and establish themselves in new environments across the galaxy. It provides information on their behavior, the dangers they pose, and methods for managing or removing them.
技能型（购买或获得技能）骰子（主要为 d6）职业制（飞行员、巫师、科学家等）
免费，支持网页、Android 和 iOS
用 Ludoya 玩 Ephemeris: Critters and Pests
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。