2002 · 资料书（用于增强玩法的规则/选项）
Bestiary of Loerem (d20 3.0)
A creature sourcebook for Sovereign Stone and the d20 System, detailing more than 120 inhabitants of Loerem. Entries cover insects, marine life, desert-dwellers, and other creatures, along with the setting’s most fearsome beings: elemental dragons and the mighty bahk.
替代规则（核心规则变体）骰子（多种）职业制（飞行员、巫师、科学家等）技能型（购买或获得技能）
免费，支持网页、Android 和 iOS
用 Ludoya 玩 Bestiary of Loerem (d20 3.0)
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。