2003 · 资料书（用于增强玩法的规则/选项）
Dinosaurs That Never Were
A d20 monster manual presents game statistics and background for 50 fictional dinosaurs that evolved on the planet Cretasus. Found in Storm Valley, these creatures range from tiny specialized species to vicious predators and 90 HD behemoths. The book also details the valley, its inhabitants, human colonization attempts, and military presence, with reference tables organizing the dinosaurs by Challenge Rating and terrain.
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 Dinosaurs That Never Were
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。