| Name the English Monarchs | 0 | - | 4.92 | 498,674 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,806 |
| Name that Greek Letter | 0 | - | 4.94 | 321,921 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,031 |
| The Trojan War | 0 | - | 4.83 | 39,475 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,743 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,124 |
| Roman Emperors | 0 | - | 4.95 | 118,659 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,546 |
| Countries Bordering France | 0 | - | 4.83 | 400,145 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,550 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,592 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,865 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,681 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,102 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,559 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,593 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,238 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,142 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,375 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,996 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,475 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,568 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,724 |
| Roman Names for Places | 0 | - | 4.62 | 57,927 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,635 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,359 |
| Departments of France | 0 | - | 4.93 | 52,979 |
| French History A-Z | 0 | - | 4.22 | 23,846 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,362 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,602 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,677 |
| British History A-Z #1 | 0 | - | 4.45 | 46,161 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,388 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,199 |
| Europe Map Quiz | 0 | - | 5.00 | 4,735,703 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,110 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,858 |
| History of France | 0 | - | 4.59 | 56,251 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,654 |
| Counties of Ireland | 0 | - | 4.92 | 193,364 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,518 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,495 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,465 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,686 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,198 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,613 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,920 |
| Prime Ministers of the UK | 0 | - | 4.96 | 435,219 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,849 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,854 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 397,776 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,619 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,195 |
| Geography of the French Empire | 0 | - | 4.45 | 26,956 |
| The French Revolution | 0 | - | 4.46 | 23,810 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,519 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,551 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,432 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,964 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,119 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,942 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,763 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,534 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,927 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,525 |
| English Royal Consorts | 0 | - | 4.37 | 37,215 |
| The Vietnam War | 0 | - | 4.43 | 35,328 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,582 |
| Countries in World War I | 0 | - | 4.88 | 226,765 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,618 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,584 |
| Countries that Beat France | 0 | - | 4.49 | 75,245 |
| France True or False? | 0 | - | 4.43 | 39,807 |
| French History Multiple Choice | 0 | - | 4.55 | 32,898 |
| German History A-Z | 0 | - | 4.49 | 24,439 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,017 |
| Ancient Greek Words | 0 | - | 4.92 | 110,828 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,977 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,402 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,051 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,764 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,983 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,855 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,705 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,397 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,511 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 67,565 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,298 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,229,160 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,072 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,793 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,839 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,422 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,658 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,572 |
| The Only European Country ... | 0 | - | 4.91 | 214,226 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,153 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,519 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,800 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,893 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,513 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,401 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,317 |
| Slavic Countries | 0 | - | 4.96 | 110,977 |
| History of Russia Quiz | 0 | - | 4.49 | 31,804 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,112 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,719 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,012 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,297 |
| History of Italy | 0 | - | 4.55 | 31,850 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,078 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,503 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,011 |
| Arthurian Legend | 0 | - | 4.33 | 25,057 |
| Counties of England | 0 | - | 4.97 | 790,232 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,610 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,839 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,414 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,632 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,437 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,559 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,700 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,905 |
| The American Revolution | 0 | - | 4.52 | 54,086 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,461 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,129 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,547 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,059 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,932 |
| Monarchies of Europe | 0 | - | 4.90 | 97,443 |
| European Countries with One Border | 0 | - | 4.97 | 181,777 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,672 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,416 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,450 |
| Countries That Border Russia | 0 | - | 4.98 | 459,500 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,297 |
| France Country Quiz | 0 | - | 4.70 | 133,981 |
| French Inventions | 0 | - | 4.08 | 13,867 |
| Regions of France | 0 | - | 4.78 | 119,480 |
| France Immigration by Country | 0 | - | 4.72 | 76,029 |
| History of Paris | 0 | - | 4.24 | 13,622 |
| Kings of France Quiz | 0 | - | 4.20 | 32,581 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,878 |
| States of Germany | 0 | - | 4.96 | 150,414 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,130 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,988 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,249 |
| Regions of Italy | 0 | - | 4.92 | 74,883 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,924 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,559 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,448 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,143 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,219 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,914 |
| Geography of the British Empire | 0 | - | 4.48 | 39,522 |
| Animals in British History | 0 | - | 4.44 | 25,891 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,359 |
| Champions League Winners | 0 | - | 4.92 | 997,694 |
| Countries in World War II | 0 | - | 4.54 | 905,745 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,040 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,944 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,230 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,451 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,725 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,660,632 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,419 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,141 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,346 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,223 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,832 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 137,927 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,262 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,465 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,922 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,193 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,855 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,485 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,417 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,322 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,425 |
| Countries that Border Poland | 0 | - | 4.99 | 171,492 |
| Russia Country Quiz | 0 | - | 4.85 | 113,770 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,441 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,835 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,935 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,774 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,093 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,856 |
| History of Austria | 0 | - | 4.70 | 17,769 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,376 |
| Countries Two Borders Away From France | 0 | - | 4.36 | 27,505 |
| Famous French People by Picture | 0 | - | 3.70 | 27,820 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,669 |
| Germany Country Quiz | 0 | - | 4.82 | 156,761 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,300 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,399 |
| Famous Germans by Picture | 0 | - | 4.12 | 16,761 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,644 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,807 |
