From quick lookups to deep-time rabbit holes
Browse species in minutes or fall into articles, quizzes, and maps for hours. The layout stays calm so the science stays front and center.
Decorative stock photographs of manuscripts and inscriptions; not screenshots of the app.
Features
Profiles, deep time, articles, maps, and quizzes. Everything wrapped in a clean interface.
A massive bestiary
Explore dinosaurs, pterosaurs, ocean giants, and Cenozoic mammals, organized so you can actually find what you want.
Rich, readable profiles
Clear descriptions, lifelike illustrations, size comparisons, habitats, and memorable trivia that sticks.
Geological Time Scale
Travel across deep time with an interactive scale that puts every creature in context.
Articles worth binge-reading
Fossils, extinctions, new research, and big questions, perfect for quick curiosity or deep rabbit holes.
Quizzes that actually teach
Beginner-friendly and surprisingly challenging. Recognize images, learn names, and lock in facts fast.
Discovery sites map
Explore fossil sites around the world, and see what was discovered near you.
Tailored quiz modes
Customize quizzes to match your current obsession: names, images, categories, or bite-sized trivia.
Polished dark mode
A calm interface designed for long reading sessions, day or night.
What people are saying
Reviews from Google Play.
Your next rabbit hole is one tap away
Skim a species on the bus, then lose an hour to maps, timelines, and quizzes that make facts stick. Download World of Dinosaurs and let curiosity run: no museum ticket required.
Decorative stock photographs of manuscripts and inscriptions; not screenshots of the app.
FAQ
A few quick answers.
Is this an encyclopedia or a game?
Both. It’s an encyclopedia-first experience with interactive quizzes and discovery tools that make learning feel playful and rewarding.
Is it only about dinosaurs?
No. World of Dinosaurs also covers pterosaurs, marine reptiles, and many other prehistoric animals across deep time.
Can I focus my learning on one group?
Yes. Use category browsing and tailored quizzes to go deep on exactly what you care about right now.
A woolly mammoth (Mammuthus primigenius)
The fossilized skull of a T-Rex (Tyrannosaurus rex)

A dodo (Raphus cucullatus)