| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,389 |
| Roman Emperors | 0 | - | 4.95 | 119,593 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,805 |
| Name that Greek Letter | 0 | - | 4.93 | 322,983 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,678 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,841 |
| Roman Names for Places | 0 | - | 4.62 | 58,151 |
| The Trojan War | 0 | - | 4.83 | 39,629 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,471 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,431 |
| Name the English Monarchs | 0 | - | 4.91 | 501,180 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,159 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,053 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,732 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,640 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,911 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,974 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,421 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,596 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,282 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,858 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,353 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,232 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,817 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 76,074 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,225 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,661 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,561 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,473 |
| Regions of Italy | 0 | - | 4.92 | 75,489 |
| History of Italy | 0 | - | 4.55 | 31,928 |
| Byzantine History | 0 | - | 4.91 | 28,746 |
| Countries Bordering France | 0 | - | 4.83 | 401,734 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,495 |
| Italy Country Quiz | 0 | - | 4.82 | 123,126 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,037 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,507 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,727 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,550 |
| Europe Map Quiz | 0 | - | 5.00 | 4,753,593 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,375 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,700 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,159 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,771 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,067 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,887 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,936 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,371 |
| Counties of Ireland | 0 | - | 4.92 | 194,484 |
| Roman History by Picture | 0 | - | 4.46 | 26,429 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,534 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,045 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,992 |
| British History A-Z #1 | 0 | - | 4.45 | 46,375 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,564 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,437 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,193 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,652 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,312 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,019 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,059 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,879 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,328 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,322 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,340 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,099 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,761 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,322 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,114 |
| English Royal Consorts | 0 | - | 4.37 | 37,305 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 400,050 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,812 |
| German History A-Z | 0 | - | 4.49 | 24,561 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,919 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,868 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,638 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,107 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,087 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,921 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 140,456 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,391 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,238,983 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,639 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,711 |
| The Only European Country ... | 0 | - | 4.91 | 215,832 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,659 |
| History of Russia Quiz | 0 | - | 4.49 | 31,874 |
| Ancient Greek Words | 0 | - | 4.93 | 111,287 |
| Italian History A-Z | 0 | - | 4.21 | 17,657 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,559 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,603 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,153 |
| Counties of England | 0 | - | 4.97 | 794,318 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,781 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,797 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 353,913 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,367 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,912 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,014 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,932 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,856 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 170,303 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,933 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,671 |
| Slavic Countries | 0 | - | 4.96 | 111,436 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 73,469 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,110 |
| Geography of Rome | 0 | - | 4.51 | 16,645 |
| Rome City Trivia | 0 | - | 4.49 | 20,645 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 102,447 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,704 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,482 |
| Champions League Winners | 0 | - | 4.92 | 1,003,239 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,554 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,813 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,717 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,632 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,189 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,833 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,451 |
| Monarchies of Europe | 0 | - | 4.90 | 97,890 |
| European Countries with One Border | 0 | - | 4.97 | 182,440 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,253 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,440 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,168 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 77,766 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,547 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,708 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,249 |
| Russia Country Quiz | 0 | - | 4.85 | 114,223 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,110 |
| Countries That Border Russia | 0 | - | 4.98 | 460,955 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,207 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,686 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,276 |
| History of Austria | 0 | - | 4.70 | 17,831 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,062 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,352 |
| Departments of France | 0 | - | 4.93 | 53,682 |
| Geography of the French Empire | 0 | - | 4.45 | 27,017 |
| The French Revolution | 0 | - | 4.46 | 23,894 |
| History of France | 0 | - | 4.59 | 56,779 |
| French History A-Z | 0 | - | 4.23 | 24,522 |
| Germany Country Quiz | 0 | - | 4.82 | 157,491 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,478 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,820 |
| States of Germany | 0 | - | 4.96 | 151,738 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,455 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,830 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,742 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,084 |
| Serie A Champions | 0 | - | 4.29 | 58,111 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,697 |
| The Vikings! | 0 | - | 4.46 | 28,314 |
| The Portuguese Empire | 0 | - | 4.58 | 12,043 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,609 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,570 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,302 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,947 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,497 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,146 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,300 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,259 |
| Geography of the British Empire | 0 | - | 4.48 | 39,626 |
| Animals in British History | 0 | - | 4.44 | 25,967 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,409 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,654 |
| England or Wales? | 0 | - | 4.94 | 45,579 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,639 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,686,175 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,450 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,020 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,255 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,305 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,701 |
| Countries that Border Poland | 0 | - | 4.99 | 171,999 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,685 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,073 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,062 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,216 |
| Countries that Beat France | 0 | - | 4.49 | 75,584 |
| France True or False? | 0 | - | 4.43 | 39,892 |
| French History Multiple Choice | 0 | - | 4.55 | 32,992 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,750 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,837 |
| Roman to Greek God | 0 | - | 4.52 | 122,625 |
| Famous Italians by Picture | 0 | - | 4.05 | 21,914 |
| History of The Netherlands | 0 | - | 4.46 | 17,400 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,281 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,764 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,295 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,046 |
| Finland Country Quiz | 0 | - | 4.50 | 59,490 |
| Norway Country Quiz | 0 | - | 4.44 | 77,139 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,058 |
| Spanish History A-Z | 0 | - | 4.37 | 19,255 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,315 |
| Arthurian Legend | 0 | - | 4.33 | 25,093 |
| British Monopoly Board | 0 | - | 4.52 | 41,133 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 74,857 |
