2005 · 资料书（用于增强玩法的规则/选项）
Digital Denizens: Challenge Rating One
This supplement introduces new creatures of Challenge Rating 1 and lower for d20 System fantasy games. It includes fresh variations on familiar monsters, original creations, and additional skills, feats, and special abilities. Background material helps integrate the content into existing or custom fantasy settings.
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 Digital Denizens: Challenge Rating One
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。