1991 · 战役设定（游戏世界）
The Hybrid Sourcebook
This sourcebook expands a science-fiction setting of impossible hybrid creatures: Neos, Gammas, and Mutts born from pairings between different species of Beta and shaped by elements of humanity. It provides rules for creating and playing Beta cross-breeds, along with background on Beta culture, its leaders, and alien animal Betas.
技能型（购买或获得技能）基于点数（分配点数以获得技能、能力等）基于属性/数值（STR、CON、PER 等）
免费，支持网页、Android 和 iOS
用 Ludoya 玩 The Hybrid Sourcebook
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。