From his best-selling series, The Art of World Building, author Randy Ellefson provides more than 3000 World Building Prompts to inspire creators for everything they might want to invent.
Creating Life - species/races, gods, monsters, word figures, plants, animals, and undead.
Creating Places - planets, continents, land features, sovereign powers, settlements, land travel, water travel, space travel, time, history, and places of interest.
Cultures and Beyond - cultures, organizations, armed forces, religions, the supernatural, magic systems, items, names, legal systems, education systems, commerce, health systems, and more.