| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,363 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,306 |
| British History A-Z #1 | 0 | - | 4.45 | 45,982 |
| Name the English Monarchs | 0 | - | 4.92 | 498,207 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,249 |
| Name that Greek Letter | 0 | - | 4.94 | 321,775 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 51,973 |
| Monarchies of Europe | 0 | - | 4.90 | 97,368 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,013 |
| Ancient Greek Words | 0 | - | 4.92 | 110,742 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,016 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,431 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,935 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,878 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,743 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,249 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,950 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,697 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,654 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,041 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,340 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,616 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,289 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,151 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,666 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,264 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,559 |
| German History A-Z | 0 | - | 4.49 | 24,319 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 52,932 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,335 |
| Europe Map Quiz | 0 | - | 5.00 | 4,732,956 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,171 |
| Russian History A-Z | 0 | - | 4.38 | 30,972 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,991 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,247 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,407 |
| The Trojan War | 0 | - | 4.83 | 39,453 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,624 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,081 |
| Roman Emperors | 0 | - | 4.95 | 118,555 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,889 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,883 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,861 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 397,426 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,436 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,244 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,689 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,924 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,306 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,513 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,188 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,942 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,308 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,527 |
| European Geography A-Z | 0 | - | 4.28 | 49,012 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,572 |
| History of The Netherlands | 0 | - | 4.46 | 17,320 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,039 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,316 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,239 |
| India A-Z | 0 | - | 4.42 | 33,927 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,450 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,109 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,227,657 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,383 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,670 |
| The Only European Country ... | 0 | - | 4.91 | 213,990 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,650 |
| History of Russia Quiz | 0 | - | 4.49 | 31,798 |
| Germany A-Z | 0 | - | 4.56 | 62,331 |
| History of Italy | 0 | - | 4.55 | 31,830 |
| Italy A-Z | 0 | - | 4.49 | 57,751 |
| Italian History A-Z | 0 | - | 4.21 | 17,462 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,491 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,990 |
| Spanish History A-Z | 0 | - | 4.37 | 19,107 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,714 |
| Counties of England | 0 | - | 4.97 | 789,630 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,529 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,346 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,688 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,230 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,747 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,340 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,461 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,506 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,757 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,962 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,071 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,317 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,240 |
| Slavic Countries | 0 | - | 4.96 | 110,904 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,949 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,045 |
| Iceland... or Ireland? | 0 | - | 4.74 | 56,798 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,722 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,645 |
| Sweden Country Quiz | 0 | - | 4.35 | 67,744 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,069 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,401 |
| London A-Z | 0 | - | 4.10 | 40,645 |
| Champions League Winners | 0 | - | 4.92 | 996,915 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,841 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,407 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,178 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,581 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,091 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,737 |
| Countries that Start with A | 0 | - | 4.97 | 2,147,601 |
| Countries that Start with B | 0 | - | 4.95 | 2,280,525 |
| Countries that Start with C | 0 | - | 4.96 | 1,810,880 |
| Countries that Start with D | 0 | - | 4.96 | 701,938 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,971 |
| Countries that Start with G | 0 | - | 4.97 | 1,493,323 |
| Countries that Start with H | 0 | - | 4.96 | 598,285 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,634 |
| Countries that Start with J | 0 | - | 4.98 | 596,334 |
| Countries that Start with K | 0 | - | 4.97 | 809,680 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,244 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,125 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,895 |
| Countries that Start with S | 0 | - | 4.98 | 1,745,028 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,492 |
| Countries that Start with U | 0 | - | 4.97 | 900,132 |
| Countries that Start with V | 0 | - | 4.98 | 605,298 |
| Countries that Start with F | 0 | - | 4.83 | 612,454 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,748 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,960 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,141 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,129 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,401 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,550 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,075 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,453 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,949 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,267 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,859 |
| European Countries with One Border | 0 | - | 4.97 | 181,689 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,591 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,342 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,001 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,858 |
| Russia Country Quiz | 0 | - | 4.85 | 113,689 |
| Russia A-Z | 0 | - | 4.46 | 27,145 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,128 |
| Countries That Border Russia | 0 | - | 4.98 | 459,046 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,878 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,248 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,056 |
| History of Austria | 0 | - | 4.70 | 17,759 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,268 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,273 |
| Departments of France | 0 | - | 4.93 | 52,880 |
| Geography of the French Empire | 0 | - | 4.48 | 26,943 |
| The French Revolution | 0 | - | 4.46 | 23,790 |
| Countries Bordering France | 0 | - | 4.83 | 399,626 |
| Kings of France Quiz | 0 | - | 4.20 | 32,569 |
| History of France | 0 | - | 4.59 | 56,131 |
| French History A-Z | 0 | - | 4.21 | 22,476 |
| Germany Country Quiz | 0 | - | 4.82 | 156,641 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,774 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,205 |
| States of Germany | 0 | - | 4.96 | 150,197 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,389 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,072 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,181 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,068 |
| Regions of Italy | 0 | - | 4.92 | 74,794 |
| Italy Country Quiz | 0 | - | 4.82 | 122,286 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,455 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,136 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,381 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,966 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,869 |
| Nordic Cities Map Quiz | 0 | - | 4.74 | 89,783 |
| The Vikings! | 0 | - | 4.46 | 28,250 |
| The Portuguese Empire | 0 | - | 4.54 | 11,996 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,119 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,434 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,707 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,250 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,070 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,380 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,200 |
| English Royal Consorts | 0 | - | 4.37 | 37,184 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,846 |
| Geography of the British Empire | 0 | - | 4.48 | 39,496 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,622 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,347 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,535 |
| England or Wales? | 0 | - | 4.94 | 45,350 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,576 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,511 |
| Monarchies of Asia | 0 | - | 4.97 | 70,621 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,772 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,615 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,450 |
| Japan A-Z | 0 | - | 4.40 | 41,832 |
| Battle to Country | 0 | - | 4.91 | 52,566 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,913 |
