| Name the English Monarchs | 0 | - | 4.92 | 498,546 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,695 |
| Name that Greek Letter | 0 | - | 4.94 | 321,882 |
| The Trojan War | 0 | - | 4.83 | 39,470 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,720 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,117 |
| Roman Emperors | 0 | - | 4.95 | 118,625 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,634 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,348 |
| Monarchies of Europe | 0 | - | 4.90 | 97,417 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,514 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,316 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,591 |
| German History A-Z | 0 | - | 4.49 | 24,428 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,598 |
| English Royal Consorts | 0 | - | 4.37 | 37,210 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,497 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,537 |
| British History A-Z #1 | 0 | - | 4.45 | 46,145 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,748 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,703 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,077 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,542 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,572 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,218 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,121 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,843 |
| States of Germany | 0 | - | 4.96 | 150,371 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,127 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,018 |
| Monarchies of Asia | 0 | - | 4.97 | 70,657 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,336 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,201 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,810 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,381 |
| Countries Bordering France | 0 | - | 4.83 | 400,045 |
| Germany Country Quiz | 0 | - | 4.82 | 156,734 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,676 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,985 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,472 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,565 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,718 |
| Roman Names for Places | 0 | - | 4.62 | 57,922 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,632 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,375 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,191 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,436 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,358 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,402 |
| Europe Map Quiz | 0 | - | 5.00 | 4,734,966 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,087 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,546 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,850 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,581 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,852 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,979 |
| Counties of Ireland | 0 | - | 4.92 | 193,294 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,506 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,462 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,453 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,476 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,600 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,828 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,871 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,831 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,843 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 397,692 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,572 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,190 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,665 |
| Kings of France Quiz | 0 | - | 4.20 | 32,578 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,663 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,399 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,432 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,952 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,119 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,924 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,753 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,525 |
| British Monopoly Board | 0 | - | 4.52 | 41,050 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,919 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,502 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,555 |
| Countries in World War I | 0 | - | 4.88 | 226,742 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,576 |
| French History A-Z | 0 | - | 4.22 | 23,724 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,921 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,975 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,396 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,048 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,982 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,853 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,015 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,354 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,256 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,228,820 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,881 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,755 |
| The Only European Country ... | 0 | - | 4.91 | 214,159 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,768 |
| History of Russia Quiz | 0 | - | 4.49 | 31,803 |
| Germany A-Z | 0 | - | 4.56 | 62,353 |
| Famous Germans by Picture | 0 | - | 4.12 | 16,761 |
| History of Germany | 0 | - | 4.39 | 52,647 |
| Ancient Greek Words | 0 | - | 4.92 | 110,810 |
| History of Italy | 0 | - | 4.55 | 31,845 |
| Italian History A-Z | 0 | - | 4.21 | 17,560 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,991 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,667 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,499 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,009 |
| Spanish History A-Z | 0 | - | 4.37 | 19,170 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,752 |
| Counties of England | 0 | - | 4.97 | 790,061 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,587 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,411 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,589 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,442 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,812 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,406 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,111 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,614 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,529 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,563 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,030 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,311 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,776 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,102 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,332 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,911 |
| European Countries with One Border | 0 | - | 4.97 | 181,755 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,655 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,392 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,386 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,295 |
| Slavic Countries | 0 | - | 4.96 | 110,960 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,387 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,283 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,345 |
| Most Popular Baby Boy Names in Germany | 0 | - | 4.34 | 66,925 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,012 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,294 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,201 |
| Regions of Italy | 0 | - | 4.92 | 74,859 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,915 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,514 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,407 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,083 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,121 |
| Animals in British History | 0 | - | 4.44 | 25,888 |
| Champions League Winners | 0 | - | 4.92 | 997,507 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,475 |
| Countries in World War II | 0 | - | 4.54 | 905,591 |
| Battle to Country | 0 | - | 4.91 | 52,601 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,022 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,438 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,194 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,162 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,564 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,127 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,434 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,451 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,233 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,396 |
| Russia Country Quiz | 0 | - | 4.85 | 113,743 |
| Countries That Border Russia | 0 | - | 4.98 | 459,400 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,927 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,087 |
| History of Austria | 0 | - | 4.70 | 17,768 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,353 |
| Departments of France | 0 | - | 4.93 | 52,956 |
| Geography of the French Empire | 0 | - | 4.45 | 26,951 |
| The French Revolution | 0 | - | 4.46 | 23,806 |
| History of France | 0 | - | 4.59 | 56,220 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,284 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,805 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,791 |
| Italy Country Quiz | 0 | - | 4.82 | 122,343 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,534 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,208 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,390 |
| Byzantine History | 0 | - | 4.91 | 28,651 |
| The Vikings! | 0 | - | 4.46 | 28,254 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,494 |
| Finland Country Quiz | 0 | - | 4.50 | 59,187 |
| Norway Country Quiz | 0 | - | 4.44 | 76,728 |
| Iceland Country Quiz | 0 | - | 4.69 | 42,899 |
| The Portuguese Empire | 0 | - | 4.54 | 12,001 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,168 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,756 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,118 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,479 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,217 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,902 |
| Geography of the British Empire | 0 | - | 4.48 | 39,511 |
| Medieval English History | 0 | - | 4.53 | 43,337 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,561 |
| England or Wales? | 0 | - | 4.94 | 45,377 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,685 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,533 |
