| Name the English Monarchs | 0 | - | 4.92 | 499,198 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 643,491 |
| Name that Greek Letter | 0 | - | 4.94 | 322,156 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,076 |
| The Trojan War | 0 | - | 4.83 | 39,506 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,922 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,183 |
| Roman Emperors | 0 | - | 4.95 | 118,852 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,788 |
| Countries Bordering France | 0 | - | 4.83 | 400,607 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,577 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,637 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,906 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,738 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,666 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,278 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,684 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,738 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,350 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,238 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,520 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,109 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,499 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,590 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,742 |
| Roman Names for Places | 0 | - | 4.62 | 57,979 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,655 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,394 |
| Departments of France | 0 | - | 4.93 | 53,082 |
| French History A-Z | 0 | - | 4.22 | 24,187 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,615 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,737 |
| British History A-Z #1 | 0 | - | 4.45 | 46,221 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,427 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,256 |
| Europe Map Quiz | 0 | - | 5.00 | 4,739,836 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,246 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,937 |
| History of France | 0 | - | 4.59 | 56,414 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,961 |
| Counties of Ireland | 0 | - | 4.92 | 193,649 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,573 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,685 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,531 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,982 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,257 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,696 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,136 |
| Prime Ministers of the UK | 0 | - | 4.96 | 435,746 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,946 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,919 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 398,299 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,959 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,233 |
| Geography of the French Empire | 0 | - | 4.45 | 26,970 |
| The French Revolution | 0 | - | 4.46 | 23,835 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,660 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,614 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,444 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,034 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,125 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,024 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,849 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,587 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,991 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,661 |
| English Royal Consorts | 0 | - | 4.37 | 37,236 |
| The Vietnam War | 0 | - | 4.43 | 35,353 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,757 |
| Countries in World War I | 0 | - | 4.88 | 226,918 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,850 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,702 |
| Countries that Beat France | 0 | - | 4.49 | 75,321 |
| France True or False? | 0 | - | 4.43 | 39,826 |
| French History Multiple Choice | 0 | - | 4.55 | 32,915 |
| German History A-Z | 0 | - | 4.49 | 24,482 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,548 |
| Ancient Greek Words | 0 | - | 4.93 | 110,949 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,996 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,452 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,062 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,844 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,005 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,873 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,728 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,623 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,575 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 67,655 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,554 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,231,298 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,926 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,012 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,967 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,546 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,962 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,643 |
| The Only European Country ... | 0 | - | 4.91 | 214,618 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,842 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,884 |
| European Countries NOT in NATO | 0 | - | 4.87 | 60,007 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,053 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,644 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,538 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,381 |
| Slavic Countries | 0 | - | 4.96 | 111,074 |
| History of Russia Quiz | 0 | - | 4.49 | 31,822 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,127 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,897 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,044 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,305 |
| History of Italy | 0 | - | 4.55 | 31,866 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,536 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,524 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,045 |
| Arthurian Legend | 0 | - | 4.33 | 25,065 |
| Counties of England | 0 | - | 4.97 | 791,227 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,654 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,867 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,431 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,646 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,445 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,566 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 351,466 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,959 |
| The American Revolution | 0 | - | 4.52 | 54,116 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,528 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,214 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,687 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,232 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,056 |
| Monarchies of Europe | 0 | - | 4.90 | 97,549 |
| European Countries with One Border | 0 | - | 4.97 | 181,908 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,810 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,530 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,787 |
| Countries That Border Russia | 0 | - | 4.98 | 459,846 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,372 |
| France Country Quiz | 0 | - | 4.70 | 134,112 |
| French Inventions | 0 | - | 4.08 | 13,871 |
| Regions of France | 0 | - | 4.78 | 119,662 |
| France Immigration by Country | 0 | - | 4.72 | 76,087 |
| History of Paris | 0 | - | 4.24 | 13,625 |
| Kings of France Quiz | 0 | - | 4.20 | 32,599 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,001 |
| States of Germany | 0 | - | 4.96 | 150,697 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,222 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,034 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,486 |
| Regions of Italy | 0 | - | 4.92 | 74,998 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,997 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,837 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,549 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,201 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,239 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,983 |
| Geography of the British Empire | 0 | - | 4.48 | 39,544 |
| Animals in British History | 0 | - | 4.44 | 25,911 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,372 |
| Champions League Winners | 0 | - | 4.92 | 998,877 |
| Countries in World War II | 0 | - | 4.54 | 906,693 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,139 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,033 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,335 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,590 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,754 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,666,130 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,556 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,196 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,455 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,328 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,863 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,003 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,485 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,687 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,010 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,275 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,196 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,744 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,666 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,834 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,595 |
| Countries that Border Poland | 0 | - | 4.99 | 171,612 |
| Russia Country Quiz | 0 | - | 4.85 | 113,863 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,480 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,108 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,987 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,842 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,124 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,936 |
| History of Austria | 0 | - | 4.70 | 17,780 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,479 |
| Countries Two Borders Away From France | 0 | - | 4.36 | 27,518 |
| Famous French People by Picture | 0 | - | 3.70 | 27,830 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,693 |
| Germany Country Quiz | 0 | - | 4.82 | 156,898 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,404 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,411 |
| Famous Germans by Picture | 0 | - | 4.12 | 16,770 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,687 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,829 |
