| Letters of the Greek Alphabet | 0 | - | 4.97 | 653,462 |
| Name that Greek Letter | 0 | - | 4.93 | 325,437 |
| Ancient Greek Words | 0 | - | 4.93 | 112,747 |
| The Trojan War | 0 | - | 4.83 | 40,129 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,377 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,301 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,382 |
| British History A-Z #1 | 0 | - | 4.45 | 47,373 |
| Name the English Monarchs | 0 | - | 4.91 | 507,757 |
| Russian History A-Z | 0 | - | 4.35 | 32,335 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,539 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,264 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,872 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,896 |
| Monarchies of Europe | 0 | - | 4.90 | 99,106 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,666 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,189 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,592 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 122,037 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,603 |
| European Geography By Letter - D | 0 | - | 4.49 | 119,159 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,533 |
| European Geography By Letter - M | 0 | - | 4.70 | 133,068 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,453 |
| European Geography By Letter - R | 0 | - | 4.43 | 95,028 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,293 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,934 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,675 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,149 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 128,048 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,545 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,425 |
| German History A-Z | 0 | - | 4.49 | 24,960 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,561 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,664 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 192,105 |
| Europe Map Quiz | 0 | - | 5.00 | 4,795,717 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.74 | 58,847 |
| Roman History Vocabulary | 0 | - | 4.41 | 57,753 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,509 |
| British History A-Z #2 | 0 | - | 4.28 | 12,073 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,620 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,740 |
| Roman Emperors | 0 | - | 4.95 | 121,543 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,362 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,238 |
| Prime Ministers of the UK | 0 | - | 4.95 | 443,487 |
| 2026–2027 Football League Teams | 0 | - | 4.94 | 408,483 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,743 |
| European Geography By Letter - E | 0 | - | 4.25 | 122,932 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,922 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,567 |
| European Geography By Letter - G | 0 | - | 4.27 | 104,367 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,886 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,539 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,866 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,778 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 52,097 |
| European Geography A-Z | 0 | - | 4.29 | 49,544 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,778 |
| History of The Netherlands | 0 | - | 4.46 | 17,582 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,341 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 32,014 |
| Houses of British Monarchs | 0 | - | 4.54 | 66,052 |
| Top 4 in English Football, 1888–2026 | 0 | - | 4.92 | 143,976 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,880 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,416 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,262,796 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,867 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,638 |
| The Only European Country ... | 0 | - | 4.91 | 219,821 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,952 |
| History of Russia Quiz | 0 | - | 4.47 | 32,033 |
| Germany A-Z | 0 | - | 4.56 | 62,930 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.54 | 49,706 |
| History of Italy | 0 | - | 4.55 | 32,201 |
| Italy A-Z | 0 | - | 4.49 | 58,901 |
| Italian History A-Z | 0 | - | 4.16 | 17,966 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,476 |
| Roman History by Picture | 0 | - | 4.46 | 26,621 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,868 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,485 |
| Spanish History A-Z | 0 | - | 4.37 | 19,548 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 108,989 |
| Counties of England | 0 | - | 4.97 | 804,871 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,159 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 61,182 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 36,038 |
| Premier League Relegated Teams | 0 | - | 4.81 | 128,170 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 363,147 |
| India A-Z | 0 | - | 4.42 | 34,335 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,865 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,604 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,488 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,967 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,273 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,375 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,831 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,458 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,972 |
| Slavic Countries | 0 | - | 4.96 | 112,579 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,682 |
| Ancient Greek Inventions | 0 | - | 4.18 | 16,430 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,729 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,521 |
| British Geography A-Z | 0 | - | 4.42 | 19,638 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,864 |
| London A-Z | 0 | - | 4.10 | 40,921 |
| Champions League Winners | 0 | - | 4.92 | 1,018,868 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,570 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,184 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,750 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,316 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,753 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,425 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,438 |
| Countries that Start with A | 0 | - | 4.98 | 2,179,737 |
| Countries that Start with B | 0 | - | 4.95 | 2,310,341 |
| Countries that Start with C | 0 | - | 4.96 | 1,834,473 |
| Countries that Start with D | 0 | - | 4.96 | 718,527 |
| Countries that Start with E | 0 | - | 4.95 | 1,387,576 |
| Countries that Start with G | 0 | - | 4.97 | 1,514,187 |
| Countries that Start with H | 0 | - | 4.96 | 611,099 |
| Countries that Start with I | 0 | - | 4.92 | 1,296,669 |
| Countries that Start with J | 0 | - | 4.98 | 608,409 |
| Countries that Start with K | 0 | - | 4.97 | 822,296 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,744 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,867 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,988 |
| Countries that Start with S | 0 | - | 4.98 | 1,765,771 |
| Countries that Start with T | 0 | - | 4.90 | 1,016,412 |
| Countries that Start with U | 0 | - | 4.97 | 909,670 |
| Countries that Start with V | 0 | - | 4.98 | 612,859 |
| Countries that Start with F | 0 | - | 4.83 | 622,450 |
| Countries that Start with M | 0 | - | 4.97 | 1,390,327 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 93,020 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 241,049 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,201 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 97,044 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,818 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,990 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,944 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,738 |
| European Countries with One Border | 0 | - | 4.97 | 184,129 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,841 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,493 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,694 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,249 |
| Russia Country Quiz | 0 | - | 4.83 | 115,531 |
| Russia A-Z | 0 | - | 4.46 | 27,338 |
| Federal Subjects of Russia | 0 | - | 4.95 | 150,071 |
| Countries That Border Russia | 0 | - | 4.98 | 465,134 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,881 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,636 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.85 | 35,679 |
| History of Austria | 0 | - | 4.70 | 17,995 |
| Andorra Country Quiz | 0 | - | 4.91 | 32,034 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,886 |
| France Cities Map Quiz | 0 | - | 4.96 | 168,201 |
| Departments of France | 0 | - | 4.93 | 55,496 |
| Geography of the French Empire | 0 | - | 4.45 | 27,243 |
| The French Revolution | 0 | - | 4.47 | 24,176 |
| Countries Bordering France | 0 | - | 4.83 | 405,547 |
| Kings of France Quiz | 0 | - | 4.22 | 32,979 |
| History of France | 0 | - | 4.61 | 57,778 |
| French History A-Z | 0 | - | 4.27 | 25,221 |
| Germany Country Quiz | 0 | - | 4.82 | 159,186 |
| States of Germany Map Quiz | 0 | - | 4.92 | 134,077 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,325 |
| States of Germany | 0 | - | 4.95 | 155,076 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,582 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,872 |
| Countries Bordering Germany | 0 | - | 4.99 | 372,403 |
| Greece Country Quiz | 0 | - | 4.74 | 66,753 |
| Figures from Greek Mythology | 0 | - | 4.92 | 194,750 |
| Regions of Italy | 0 | - | 4.92 | 77,342 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,516 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,307 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,801 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,203 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,979 |
| The Vikings! | 0 | - | 4.46 | 28,434 |
| The Portuguese Empire | 0 | - | 4.58 | 12,120 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,664 |
| Regions of Spain Quiz | 0 | - | 4.91 | 115,698 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 187,109 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,974 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,705 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,149 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,500 |
| English Royal Consorts | 0 | - | 4.38 | 37,575 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,422 |
| Geography of the British Empire | 0 | - | 4.48 | 39,895 |
| The Reign of Queen Victoria | 0 | - | 4.34 | 23,580 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,879 |
| England or Wales? | 0 | - | 4.94 | 46,108 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,636 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,845 |
| Monarchies of Asia | 0 | - | 4.97 | 71,653 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,661 |
