2003 · 资料书（用于增强玩法的规则/选项）
Wilds
This d20 sourcebook covers adventures in demon-haunted forests, sun-blasted deserts, windswept glaciers, and open plains. It provides guidelines for creating wilderness adventures, ready-made encounters, new creatures, weather and environmental rules, and new prestige classes, feats, and skills focused on outdoor exploration.
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）
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。