302 Animals: Mammals, Birds, Reptiles, Fish, Insects and more!

Learn all 50 US states: capitals, flags and maps. Several different quiz modes.

Learn 450 famous historical figures from all over the world! Who are they?

Learn the capitals of all countries and territories in the world! In English.

Photo-quiz about the most popular breeds of dogs. Play 10 games with cute dogs!

Learn flags of all countries in the world! The app is translated into English.

You'll learn the names and symbols of all 118 chemical elements with this app.

It is a perfect app to learn 24 Greek letters and alphabet from Alpha to Omega.

170 pictures of fruit, vegetables, berries, nuts, and spices! Do you know them?

197 countries of all continents on the World Map! Learn and guess them all!

Learn all US Presidents. Test and improve your knowledge of American history!

Learn European countries: capitals, flags, maps. Get all stars in 17 quiz games!

Discover the greatest Wonders of the Ancient and Modern World!

The efficient app to learn structures, codes, and properties of 20+ amino acids.

Photo-quiz about the 50 most popular breeds of domestic cats. Several game modes

Photos of 210 famous cities of the world. Can you guess them? Try now!

Learn common names of flowering plants playing with their colorful pictures!

Can you guess all 59 US National Parks either by its photo or on the map?

Learn 200 chemical substances studied in introductory & advanced chemistry class

6 Continents - 240 Flags - Smart quizzes and fun games to learn them all!

English irregular verbs forms: infinitive, past simple tense and past participle

Can you guess simple objects on photos? Food, Animals, Nature, and Instruments!

The 80 most important functional groups in organic chemistry and biochemistry.

Learn the names, capitals and flags of all 10 Canadian provinces & 3 territories