2003 · 资料书（用于增强玩法的规则/选项）
Big Nasty Aliens
This roleplaying game supplement expands a science-fiction campaign with additional alien races, equipment, creatures, plants, and adversaries. It provides new options for developing player characters and encounters, along with rules and resources for Gamemasters. The material is dual-statted for Silhouette and OGL-based games and requires the appropriate core rulebook.
骰子（主要为 d6）
免费，支持网页、Android 和 iOS
用 Ludoya 玩 Big Nasty Aliens
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。