1997 · 资料书（用于增强玩法的规则/选项）
Field Manual: Free Worlds League
A classified-style survey of the Free Worlds League military, covering its history, organization and role in the Inner Sphere. It profiles BattleMech regiments, their officers and tactics, with special rules for their distinct capabilities, plus new weapons, equipment and BattleMech designs.
技能型（购买或获得技能）基于属性/数值（STR、CON、PER 等）骰子（主要为 d10）
免费，支持网页、Android 和 iOS
用 Ludoya 玩 Field Manual: Free Worlds League
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。