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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Play with colorful pictures and guess simple words! 5 different topics to choose

The 210 famous cities of the world. Can you guess them on the photos? (English.)

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

Discover the greatest Wonders of the Ancient and Modern World!

Learn all states of Mexico: names, capitals. Translated into English and Spanish

Learn 200 chemical substances studied in introductory & advanced chemistry class

Learn names and formulas of all important inorganic acids, their salts and ions.

Guess the 50 most famous American cities and 52 amazing state capitol buildings!

Quiz on Capital Cities of 234 countries and territories on 6 world continents.