2006 · 资料书（用于增强玩法的规则/选项）
Cretasus Adventure Guide
A campaign setting and sourcebook for adventures on the prehistoric world of Cretasus. It details the history and settled regions of the Main Valley, including New Savannah, Fort Tecumseh, and Plesiosaur Bay, along with dinosaur behavior and their interactions with humans. The book includes prestige classes for Dino Warriors and Federal Marshals, adventure ideas, town-generation guidelines, treasure and encounter tables, and game-master reference material. It also provides d20 statistics for 22 prehistoric creatures, including seven marine monsters and the alien Scray, plus rules for vehicles and the Union’s ironclads.
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 Cretasus Adventure Guide
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。