2007 · 配件（骰子、地图、屏幕、卡牌）
Hollow Earth Expedition Gamemaster Screen
A four-panel hardback screen conceals notes, maps, and dice rolls from players while keeping useful charts and tables from the core rules close at hand. A 16-page booklet includes a sample adventure, detailed continuous combat rules, and expanded character options with additional Archetypes, Talents, and Flaws.
资料书（用于增强玩法的规则/选项）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）骰子（主要为d2/硬币）
免费，支持网页、Android 和 iOS
用 Ludoya 玩 Hollow Earth Expedition Gamemaster Screen
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。