| European Geography By Letter - B #2 | 0 | - | 4.85 | 78,544 |
| British History A-Z #1 | 0 | - | 4.45 | 46,481 |
| Name the English Monarchs | 0 | - | 4.91 | 502,614 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,392 |
| Name that Greek Letter | 0 | - | 4.93 | 323,443 |
| Russian History A-Z | 0 | - | 4.38 | 31,712 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,006 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,350 |
| Monarchies of Europe | 0 | - | 4.90 | 98,140 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,236 |
| Ancient Greek Words | 0 | - | 4.93 | 111,595 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,506 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,236 |
| European Geography By Letter - B #1 | 0 | - | 4.64 | 118,860 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,966 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,616 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,512 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,649 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,538 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,843 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,697 |
| European Geography By Letter - V | 0 | - | 4.43 | 93,008 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,434 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,600 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,111 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,996 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,243 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,119 |
| German History A-Z | 0 | - | 4.49 | 24,605 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,086 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,792 |
| Europe Map Quiz | 0 | - | 5.00 | 4,762,784 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,490 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,140 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,034 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,176 |
| The Trojan War | 0 | - | 4.83 | 39,724 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,836 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,525 |
| Roman Emperors | 0 | - | 4.95 | 120,037 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,576 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,532 |
| Prime Ministers of the UK | 0 | - | 4.95 | 438,935 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 401,356 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,450 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,639 |
| European Geography By Letter - F | 0 | - | 4.17 | 92,921 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,054 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,721 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,539 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,176 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,735 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,926 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,187 |
| European Geography A-Z | 0 | - | 4.29 | 49,265 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,804 |
| History of The Netherlands | 0 | - | 4.46 | 17,433 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,163 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,791 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,661 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 141,090 |
| India A-Z | 0 | - | 4.42 | 34,130 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,160 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,017 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,244,033 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,650 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,230 |
| The Only European Country ... | 0 | - | 4.91 | 216,605 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,119 |
| History of Russia Quiz | 0 | - | 4.47 | 31,917 |
| Germany A-Z | 0 | - | 4.56 | 62,607 |
| History of Italy | 0 | - | 4.55 | 31,973 |
| Italy A-Z | 0 | - | 4.49 | 58,304 |
| Italian History A-Z | 0 | - | 4.21 | 17,707 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,659 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,235 |
| Spanish History A-Z | 0 | - | 4.37 | 19,294 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,257 |
| Counties of England | 0 | - | 4.97 | 796,667 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,862 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,669 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,838 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 355,934 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,654 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,200 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,694 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,149 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,980 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,503 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,830 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,279 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,185 |
| Slavic Countries | 0 | - | 4.96 | 111,653 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,300 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,469 |
| Iceland... or Ireland? | 0 | - | 4.74 | 57,035 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,093 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,130 |
| Sweden Country Quiz | 0 | - | 4.35 | 68,208 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,266 |
| British Geography A-Z | 0 | - | 4.42 | 19,518 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,663 |
| London A-Z | 0 | - | 4.10 | 40,773 |
| Champions League Winners | 0 | - | 4.92 | 1,006,658 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,135 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,697 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,411 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,901 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,366 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,028 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,876 |
| Countries that Start with A | 0 | - | 4.98 | 2,162,452 |
| Countries that Start with B | 0 | - | 4.95 | 2,294,155 |
| Countries that Start with C | 0 | - | 4.96 | 1,821,922 |
| Countries that Start with D | 0 | - | 4.96 | 709,504 |
| Countries that Start with E | 0 | - | 4.95 | 1,377,060 |
| Countries that Start with G | 0 | - | 4.97 | 1,503,156 |
| Countries that Start with H | 0 | - | 4.96 | 604,681 |
| Countries that Start with I | 0 | - | 4.92 | 1,288,225 |
| Countries that Start with J | 0 | - | 4.98 | 602,365 |
| Countries that Start with K | 0 | - | 4.97 | 815,725 |
| Countries that Start with L | 0 | - | 4.98 | 1,090,649 |
| Countries that Start with N | 0 | - | 4.93 | 1,117,625 |
| Countries that Start with P | 0 | - | 4.94 | 1,216,032 |
| Countries that Start with S | 0 | - | 4.98 | 1,754,677 |
| Countries that Start with T | 0 | - | 4.90 | 1,009,773 |
| Countries that Start with U | 0 | - | 4.97 | 904,447 |
| Countries that Start with V | 0 | - | 4.98 | 609,324 |
| Countries that Start with F | 0 | - | 4.83 | 617,553 |
| Countries that Start with M | 0 | - | 4.97 | 1,381,578 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,859 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,343 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,171 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,452 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,876 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,852 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,516 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,296 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,125 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,754 |
| European Countries with One Border | 0 | - | 4.97 | 182,771 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,572 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,808 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,987 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,708 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 80,978 |
| Russia Country Quiz | 0 | - | 4.85 | 114,481 |
| Russia A-Z | 0 | - | 4.46 | 27,241 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,136 |
| Countries That Border Russia | 0 | - | 4.98 | 461,722 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,337 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,893 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,342 |
| History of Austria | 0 | - | 4.70 | 17,861 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,683 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,426 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,741 |
| Departments of France | 0 | - | 4.93 | 54,096 |
| Geography of the French Empire | 0 | - | 4.45 | 27,059 |
| The French Revolution | 0 | - | 4.47 | 23,929 |
| Countries Bordering France | 0 | - | 4.83 | 402,529 |
| Kings of France Quiz | 0 | - | 4.20 | 32,744 |
| History of France | 0 | - | 4.59 | 56,974 |
| French History A-Z | 0 | - | 4.27 | 24,636 |
| Germany Country Quiz | 0 | - | 4.83 | 157,840 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,809 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,319 |
| States of Germany | 0 | - | 4.96 | 152,560 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,032 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,393 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,944 |
| Regions of Italy | 0 | - | 4.92 | 75,863 |
| Italy Country Quiz | 0 | - | 4.80 | 123,396 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,360 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,037 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,545 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,085 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,147 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,458 |
| The Vikings! | 0 | - | 4.46 | 28,343 |
| The Portuguese Empire | 0 | - | 4.58 | 12,064 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,923 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,932 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,644 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,203 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 93,995 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,601 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,350 |
| English Royal Consorts | 0 | - | 4.38 | 37,351 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,467 |
| Geography of the British Empire | 0 | - | 4.48 | 39,671 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,443 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,699 |
| England or Wales? | 0 | - | 4.94 | 45,686 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,339 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,963 |
| Monarchies of Asia | 0 | - | 4.97 | 71,086 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,026 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,804 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,885 |
