Lexcertology

From the introduction: Lexcertology is the study of civilizations through investigating lost words, and you are lexcertologists seeking out the stories of lost civilizations. What kind of civilization was this? Technologically advanced or magically powered? Violent or peace-loving? Did they go out with a whimper or a bang? Only your highly trained crew can find the truth. However, though you are all striving for one goal, there is added prestige for the lexcertologist who returns with the most information about the civilization. Only they will earn the title of Lead Lexcertologist. Now set forth and discover the stories, words, and key characteristics of a lost civilization.