1998 · 场景 / 冒险 / 模块
The Case of the Little Gray Box: Ravens Bluff Bureau of Investigation Case #4
Players work as mercenary investigators hired by a private bureau to retrieve and deliver a mysterious, magical gray box in a one-round adventure set in a living city.
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 The Case of the Little Gray Box: Ravens Bluff Bureau of Investigation Case #4
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。