2007 · 资料书（用于增强玩法的规则/选项）
Snakes!
A concise d20-style reference supplement that expands the role of snakes in fantasy and modern campaigns. It introduces rules for snakebite injuries, snake-derived products such as snake oil and antivenin, and 12 real-world snake species, including anacondas, cobras, rattlesnakes, and sea snakes. The material is designed for use in campaign settings and fits into 13 pages.
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。