2004 · 资料书（用于增强玩法的规则/选项）
Primal Feats
A collection of 50 feats for primitive characters and Stone Age-themed d20 adventures. It introduces new options such as Elephantine Tactics, Headhunting, Pounce of the Jaguar, Hawk Strike, Spirit Sense, and War Dance, alongside updated feats including Leonine Charge, Bear Hug, Fearless Assault, and Giant Fighting. The included material is clarified and adapted for the 3.5 edition core rules.
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 Primal Feats
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。