A fill-in field character sheet for Hollow Earth Expedition.

The twelve sample characters from the Hollow Earth Expedition core rulebook.

Stranded in a mysterious locale and under attack from prehistoric monsters, a group of explorers start out as lost travelers and end up as heroic saviors to village natives under attack by villainous Nazis.

A group of explorers embarks on a journey aboard an experimental drilling machine only to find themselves stranded in a mysterious land and under attack from strange creatures. Worse still, their rescue mission goes awry when they discover that an expeditionary force of Nazis has already invaded the area.

A scientist’s invention goes haywire at New York’s Museum of Natural History, threatening to destroy the city. The heroes must battle monsters from Earth’s prehistoric past, defeat nefarious Nazi agents, and close a rip in the fabric of space itself in order to save the Big Apple.