2003 · 资料书（用于增强玩法的规则/选项）
D20 Junker Extras
This supplement adds d20 rules for determining the reliability of junker devices in the post-apocalyptic setting of Hell on Earth. It also provides d20 conversions for additional junker devices, giving characters more improvised technology to use in play.
技能型（购买或获得技能）基于点数（分配点数以获得技能、能力等）基于属性/数值（STR、CON、PER 等）
免费，支持网页、Android 和 iOS
用 Ludoya 玩 D20 Junker Extras
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。