2003 · 资料书（用于增强玩法的规则/选项）
Unearthed Adventurers Volume I
This first volume introduces three new core classes for d20 fantasy games: the cultist, divine knight, and swordsman. Each class includes detailed rules for its abilities, along with new systems, feats, and spells that support character creation and play.
基于网格（使用方格地形进行移动/战斗）技能型（购买或获得技能）职业制（飞行员、巫师、科学家等）
免费，支持网页、Android 和 iOS
用 Ludoya 玩 Unearthed Adventurers Volume I
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。