2020 · 资料书（用于增强玩法的规则/选项）
Double Down - It Could Be Worse... (SF)
A science-fiction roleplaying supplement about campaigns where player characters fail, are captured, lose allies, or face total defeat. It provides a way for characters to draw on a costly reserve of effort and make an additional push when a situation turns much worse than intended.
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 Double Down - It Could Be Worse... (SF)
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。