Orrery
A tabletop roleplaying system built to use Troika backgrounds and its implied setting. Players roll a background, record it on a character sheet, note a few additional details, and begin play. The Guide can use all or part of Troika’s setting material while running adventures.
技能型（购买或获得技能）基于属性/数值（STR、CON、PER 等）随机属性生成（在角色创建时）
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。