2004 · 战役设定（游戏世界）
Aliens: Game Over
A role-playing supplement for d20 Modern set in a bleak future of corporate power, mercenary companies, and military marines confronting hostile alien life. It adds two races, new occupations, marine divisions and corporations, feats, psionic powers, equipment, power armor, advanced classes, worlds, monsters, and rules for creating missions. A mission-generation system supports expeditions and combat against a range of alien threats.
资料书（用于增强玩法的规则/选项）技能型（购买或获得技能）基于属性/数值（STR、CON、PER 等）等级制（获得经验值并升级）
免费，支持网页、Android 和 iOS
用 Ludoya 玩 Aliens: Game Over
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。