2020 · 资料书（用于增强玩法的规则/选项）
Creature Feature Quarterly Vol. 4 (OSE)
A bestiary supplement for Old-School Essentials featuring 16 new monsters, each with descriptions, lore, ecology, adventure seeds, and ideas for memorable loot. Paper mini designs and VTT tokens are included for every creature. The PDF is formatted for home printing on A4 paper as A5 facing pages.
基于属性/数值（STR、CON、PER 等）等级制（获得经验值并升级）职业制（飞行员、巫师、科学家等）
免费，支持网页、Android 和 iOS
用 Ludoya 玩 Creature Feature Quarterly Vol. 4 (OSE)
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。