The innovative Instant Adventure format has GMs up and running adventures in just ten minutes. The ten adventures in this book aren`t sketchy outlines or adventure seeds, they`re complete adventures, with maps, creatures, Show Em illustrations, and all the details you expect, presented in an unique format optimized to let the GM hit the ground running with minimal prep. Explorers Keys contains ten complete Instant Adventures for Numenera. This trove of exciting adventures is a must-have for beginning and veteran Numenera GMs.