2012 · 资料书（用于增强玩法的规则/选项）
The Defenders of Midgard
A Dungeons & Dragons 4th Edition sourcebook expanding the Midgard campaign setting with seven new character themes, including Clockwork Mage, Corsair, Emissary, Planewalker, and Siege Mage. It adds new backgrounds, Clockwork Magic and Glyph Magic schools, Midgard-themed gear, and alternative racial powers for the Gearforged. The material is designed for use in Midgard, homebrew campaigns, or other published settings.
骰子（主要为 d20）等级制（获得经验值并升级）基于属性/数值（STR、CON、PER 等）
免费，支持网页、Android 和 iOS
用 Ludoya 玩 The Defenders of Midgard
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。