2015 · 资料书（用于增强玩法的规则/选项）
The Alien Update
This supplement updates the k'tharen, v'sori, and their vehicles for use with the Savage Worlds Super Powers Companion. It adapts material from the original Necessary Evil, replacing its earlier super powers system with the more recent rules.
等级制（获得经验值并升级）基于属性/数值（STR、CON、PER 等）技能型（购买或获得技能）
免费，支持网页、Android 和 iOS
用 Ludoya 玩 The Alien Update
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。