| Olympian Gods Quiz | 0 | - | 4.96 | 496,981 |
| Ancient Greek Words | 0 | - | 4.92 | 110,820 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,232 |
| The Trojan War | 0 | - | 4.83 | 39,474 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,736 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,538 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,773 |
| Name that Greek Letter | 0 | - | 4.94 | 321,898 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,675 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,066 |
| Mythology A-Z | 0 | - | 4.31 | 37,027 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,699 |
| Roman to Greek God | 0 | - | 4.52 | 122,306 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,993 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,216 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,094 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,549 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,580 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,228 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,132 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,684 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,439 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,045 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,600 |
| Name the English Monarchs | 0 | - | 4.92 | 498,634 |
| Europe Map Quiz | 0 | - | 5.00 | 4,735,401 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,475 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,637 |
| Prime Ministers of the UK | 0 | - | 4.96 | 435,172 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,601 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,193 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,805 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,795 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,119 |
| Roman Emperors | 0 | - | 4.95 | 118,647 |
| Byzantine History | 0 | - | 4.91 | 28,653 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,603 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,473 |
| Roman History by Picture | 0 | - | 4.46 | 26,355 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,759 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,363 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,468 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,028 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,278 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,229,016 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,993 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,779 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,830 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,417 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,639 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,571 |
| The Only European Country ... | 0 | - | 4.91 | 214,197 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,143 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,462 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,792 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,393 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,313 |
| Slavic Countries | 0 | - | 4.96 | 110,971 |
| History of Russia Quiz | 0 | - | 4.49 | 31,804 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,012 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,332 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,295 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,215 |
| History of Italy | 0 | - | 4.55 | 31,849 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,883 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,502 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,010 |
| Counties of England | 0 | - | 4.97 | 790,155 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,606 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,412 |
| People Buried at Westminster Abbey | 0 | - | 4.67 | 14,205 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,558 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,657 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,452 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,122 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,538 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,046 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,924 |
| Monarchies of Europe | 0 | - | 4.90 | 97,432 |
| European Countries with One Border | 0 | - | 4.97 | 181,770 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,663 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,403 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,432 |
| Countries That Border Russia | 0 | - | 4.98 | 459,474 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,291 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,364 |
| Countries Bordering France | 0 | - | 4.83 | 400,118 |
| History of France | 0 | - | 4.59 | 56,239 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,864 |
| States of Germany | 0 | - | 4.96 | 150,393 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,129 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,983 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,343 |
| Greece Country Quiz | 0 | - | 4.74 | 65,827 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,432 |
| Regions of Italy | 0 | - | 4.92 | 74,875 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,919 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,529 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,431 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,135 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,218 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,909 |
| Geography of the British Empire | 0 | - | 4.48 | 39,520 |
| Champions League Winners | 0 | - | 4.92 | 997,590 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,031 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,660,364 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,412 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,342 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,211 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,828 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 137,924 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,913 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,836 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,472 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,399 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,098 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,286 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,414 |
| Countries that Border Poland | 0 | - | 4.99 | 171,485 |
| Russia Country Quiz | 0 | - | 4.85 | 113,764 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,435 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,816 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,934 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,769 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,091 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,848 |
| History of Austria | 0 | - | 4.70 | 17,769 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,547 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,857 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,367 |
| Departments of France | 0 | - | 4.93 | 52,973 |
| Geography of the French Empire | 0 | - | 4.45 | 26,954 |
| The French Revolution | 0 | - | 4.46 | 23,810 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,586 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,862 |
| French History Multiple Choice | 0 | - | 4.55 | 32,895 |
| Germany Country Quiz | 0 | - | 4.82 | 156,751 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,297 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,399 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,639 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,640 |
| Counties of Ireland | 0 | - | 4.92 | 193,326 |
| Italy Country Quiz | 0 | - | 4.82 | 122,356 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,541 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,215 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,512 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,026 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,476 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,395 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,566 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,721 |
| Roman Names for Places | 0 | - | 4.62 | 57,926 |
| History of The Netherlands | 0 | - | 4.46 | 17,332 |
| The Vikings! | 0 | - | 4.46 | 28,256 |
| The Portuguese Empire | 0 | - | 4.54 | 12,002 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,179 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,768 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,051 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,575 |
| Arthurian Legend | 0 | - | 4.33 | 25,056 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,502 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,902 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,634 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,355 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 61,607 |
| Medieval English History | 0 | - | 4.53 | 43,343 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,983 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,855 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,839 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,850 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,565 |
| England or Wales? | 0 | - | 4.94 | 45,383 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,703 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,107 |
| Countries that Beat Russia | 0 | - | 4.84 | 82,000 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 95,966 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,662 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,579 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,446 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,673 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,748 |
| Germany A-Z | 0 | - | 4.56 | 62,357 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,862 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,509 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,548 |
| History of Germany | 0 | - | 4.39 | 52,654 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,696 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,250 |
| Iceland... or Ireland? | 0 | - | 4.74 | 56,815 |
| Italy A-Z | 0 | - | 4.49 | 57,810 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,957 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,934 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,398 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,760 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,538 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,530 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,924 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,611 |
| Roald Dahl Books | 0 | - | 4.44 | 33,946 |
| Shakespearean Phrases | 0 | - | 4.57 | 36,565 |
