2005 · 资料书（用于增强玩法的规则/选项）
Placeholder Worlds for Desperate GM's of Multiverser/AH RPG's
Fifteen setting sketches provide adventure scenarios and peril for extra-dimensional travellers who have ventured beyond their gamemaster’s prepared material. The settings support Multiverser, Amber, GURPS, and other roleplaying games featuring interdimensional travel.
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）「无骰」（不使用骰子或其他随机器）
免费，支持网页、Android 和 iOS
用 Ludoya 玩 Placeholder Worlds for Desperate GM's of Multiverser/AH RPG's
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。