Andrey Solovyev

Cities of the World Photo-Quiz

Maps of All Countries Geo-Quiz

50 US States - American Quiz

Chemical Substances: Chem-Quiz

Famous People - History Quiz

Elements & Periodic Table Quiz

Famous Monuments of the World

Asian Countries & Middle East - Flags and Capitals

Carboxylic Acids and Ester: Organic Chemistry Quiz

Amino Acids Structures - Quiz and Flashcards

Flowers - Botanical Quiz about Beautiful Plants

Flags of the World Continents - New Geography Quiz

African Countries - Flags and Maps of Africa Quiz

French Regions - Capitals and Maps of France Quiz

Capital Cities of World Continents: Geography Quiz

Inorganic Acids, Ions and Salts - Chemistry Quiz

Cats Quiz - Guess Photos of All Popular Cat Breeds

Greek Letters and Alphabet - From Alpha to Omega

Prefectures of Japan - Quiz

German States - Geography Quiz

Geometric Shapes: Triangles & Circle Geometry Quiz

Fruit and Vegetables - Quiz

Dogs Quiz - Guess All Breeds!

Functional Groups of Chemistry