2018 · 资料书（用于增强玩法的规则/选项）
Moat Monsters: A Sourcebook for OGL RPGs
This fantasy RPG sourcebook presents moats as more than simple water-filled ditches, exploring how magic, unusual materials, and monsters can strengthen the defenses of castles and cities. It includes 20 monsters designed to inhabit moats, along with ideas for making these defenses more dangerous and effective. The creatures are presented with statistics for the Basic OGL system and can be adapted for other compatible roleplaying games.
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 Moat Monsters: A Sourcebook for OGL RPGs
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。