2013 · 资料书（用于增强玩法的规则/选项）
Irrisen: Land of Eternal Winter
This campaign setting guide details a northern realm trapped in unending winter and ruled by the White Witches, descendants of Baba Yaga. It explores Irrisen’s six provinces, history, holidays, settlements, and notable locations, with maps of its towns and cities. The book includes adventure sites, events, hazards, afflictions, provincial and capital stat blocks, and a bestiary of local monsters and NPCs, including winter witches, frost giants, and Baba Yaga’s Three Riders. It is designed for fantasy roleplaying campaigns and can be adapted to other game systems.
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 Irrisen: Land of Eternal Winter
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。