| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,214 |
| Name that Greek Letter | 0 | - | 4.93 | 325,069 |
| Ancient Greek Words | 0 | - | 4.93 | 112,526 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,626 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,908 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,764 |
| Official European Union Languages | 0 | - | 4.97 | 239,868 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,694 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,039 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,727 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,578 |
| The Trojan War | 0 | - | 4.83 | 40,006 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,019 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,335 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,881 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,065 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,930 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,513 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,937 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,051 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,891 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,010 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,704 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,473 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,792 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,823 |
| Champions League Winners | 0 | - | 4.92 | 1,016,609 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,119 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,313 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,751 |
| Celtic Nations | 0 | - | 4.61 | 47,105 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,017 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,805 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,987 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,998 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,934 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,010 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,019 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,611 |
| Departments of France | 0 | - | 4.93 | 55,219 |
| German Loan Words | 0 | - | 4.27 | 141,029 |
| States of Germany | 0 | - | 4.95 | 154,619 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,722 |
| Regions of Italy | 0 | - | 4.92 | 77,133 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,752 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,825 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,396 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,786 |
| American to British Word Translation | 0 | - | 4.14 | 139,732 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,067 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,843 |
| England or Wales? | 0 | - | 4.94 | 45,982 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,231 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,849 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,763 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,974 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,954 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,105 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,346 |
| British Spellings | 0 | - | 4.06 | 99,612 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,072 |
| Prime Ministers of the UK | 0 | - | 4.95 | 442,516 |
| 2026–2027 Football League Teams | 0 | - | 4.94 | 407,175 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,899 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,754 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,723 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,355 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 122,622 |
| Slavic Languages | 0 | - | 4.67 | 54,713 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 72,039 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,244 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.54 | 49,653 |
| Iceland... or Ireland? | 0 | - | 4.74 | 57,245 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,746 |
| Roman History Vocabulary | 0 | - | 4.41 | 57,726 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,612 |
| Roman Emperors | 0 | - | 4.95 | 121,268 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,856 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,178 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,247 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,634 |
| Languages of Spain | 0 | - | 4.36 | 23,445 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 54,009 |
| British to American Word Translation | 0 | - | 3.74 | 255,358 |
| British Foods by Description | 0 | - | 3.94 | 48,393 |
| British and American Word Differences | 0 | - | 2.63 | 46,931 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,113 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 81,007 |
| Monty Python Quotes | 0 | - | 4.89 | 42,613 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,793 |
| Roald Dahl Books | 0 | - | 4.45 | 34,136 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.56 | 34,505 |
| Middle Earth Geography | 0 | - | 4.56 | 39,963 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 81,807 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 45,974 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,348 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,792 |
| Top 4 in English Football, 1888–2026 | 0 | - | 4.92 | 143,508 |
| History of Russia Quiz | 0 | - | 4.47 | 32,009 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,881 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,906 |
| History of Italy | 0 | - | 4.55 | 32,159 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,406 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,370 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,953 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,531 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,829 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,432 |
| Shakespearean Characters | 0 | - | 4.38 | 37,745 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,422 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,843 |
| Premier League Relegated Teams | 0 | - | 4.81 | 127,922 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,270 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,665 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,122 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,186 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,192 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,665 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,220 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,837 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,122 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,708 |
| Europe Map Quiz | 0 | - | 5.00 | 4,789,494 |
| European Physical Geography | 0 | - | 4.26 | 33,600 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,536 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,198 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,472 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,437 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,513 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 66,001 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,560 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,752 |
| Geography of Russia | 0 | - | 4.57 | 21,606 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,137 |
| History of Austria | 0 | - | 4.70 | 17,977 |
| Capitals of French Regions | 0 | - | 4.45 | 16,185 |
| Regions of France | 0 | - | 4.70 | 122,167 |
| France Immigration by Country | 0 | - | 4.70 | 76,953 |
| Geography of the French Empire | 0 | - | 4.45 | 27,221 |
| The French Revolution | 0 | - | 4.47 | 24,151 |
| France Multiple Choice | 0 | - | 4.39 | 40,855 |
| Ligue 1 Champions | 0 | - | 4.22 | 48,882 |
| History of France | 0 | - | 4.61 | 57,652 |
| Famous Germans | 0 | - | 4.50 | 55,807 |
| German Groups of Things | 0 | - | 4.47 | 38,644 |
| Capitals of German States | 0 | - | 4.74 | 29,076 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,551 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,562 |
| Germany True or False? | 0 | - | 4.61 | 49,029 |
| Bundesliga Champions | 0 | - | 4.25 | 57,330 |
| All Bundesliga Teams Ever | 0 | - | 4.35 | 47,664 |
| German History A-Z | 0 | - | 4.49 | 24,923 |
| Mediterranean Foods | 0 | - | 3.80 | 11,503 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,509 |
| Greece Country Quiz | 0 | - | 4.74 | 66,660 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,950 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,420 |
| Serie A Champions | 0 | - | 4.29 | 58,837 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,183 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,798 |
| The Vikings! | 0 | - | 4.46 | 28,409 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,397 |
| The Portuguese Empire | 0 | - | 4.58 | 12,113 |
| 2026 La Liga Clubs | 0 | - | 4.33 | 70,485 |
| La Liga - Trofeo Pichichi | 0 | - | 4,57 | 7.321 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,414 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,390 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,853 |
| Jane Austen Novels | 0 | - | 4.41 | 27,510 |
| Name All Charles Dickens Novels | 0 | - | 4.40 | 43,010 |
| Lord of the Rings - Races | 0 | - | 4.25 | 59,020 |
| The Ultimate LOTR Character Quiz - The Books | 0 | - | 4.63 | 20,889 |
| Beatles Lyrics First Names | 0 | - | 4.36 | 40,210 |
| Elton John Quiz | 0 | - | 4.49 | 18,527 |
| Doctor Who Actors | 0 | - | 4.61 | 17,999 |
| Champions League Top 4 | 0 | - | 4.78 | 139,218 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,785 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,422 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,465 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,675 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,494 |
| Australian Capitals | 0 | - | 4.92 | 62,838 |
| Australia Map Quiz | 0 | - | 4.95 | 346,252 |
| United States Map Quiz | 0 | - | 4.98 | 4,172,012 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,732 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,127 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,051 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,947 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,919 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,327 |
| European Geography By Letter - E | 0 | - | 4.23 | 115,330 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,591 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,296 |
| European Geography By Letter - G | 0 | - | 4.27 | 104,062 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,654 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,297 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,677 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,659 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,905 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,958 |
