| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,669 |
| Name that Greek Letter | 0 | - | 4.93 | 323,516 |
| Ancient Greek Words | 0 | - | 4.93 | 111,647 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,671 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 213,652 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,162 |
| Official European Union Languages | 0 | - | 4.97 | 238,570 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,900 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,314 |
| The Trojan War | 0 | - | 4.83 | 39,738 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,890 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,002 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,124 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,851 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 356,213 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,114 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,389 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,810 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,393 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,631 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,020 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,367 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,025 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,484 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,673 |
| Champions League Winners | 0 | - | 4.92 | 1,007,147 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,462 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,253 |
| Celtic Nations | 0 | - | 4.69 | 46,953 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,166 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,370 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,917 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,667 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,186 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,021 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,406 |
| Departments of France | 0 | - | 4.93 | 54,172 |
| German Loan Words | 0 | - | 4.27 | 135,812 |
| States of Germany | 0 | - | 4.96 | 152,685 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,072 |
| Regions of Italy | 0 | - | 4.92 | 75,929 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,556 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,209 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,010 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,238 |
| American to British Word Translation | 0 | - | 4.14 | 139,096 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,906 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,708 |
| England or Wales? | 0 | - | 4.94 | 45,712 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,432 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,093 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,505 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,476 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,974 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,781 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,697 |
| British Spellings | 0 | - | 4.06 | 99,461 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,909 |
| Prime Ministers of the UK | 0 | - | 4.95 | 439,201 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 401,559 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,764 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,607 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,660 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,721 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,033 |
| Slavic Languages | 0 | - | 4.68 | 54,380 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,500 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,148 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,449 |
| Iceland... or Ireland? | 0 | - | 4.74 | 57,049 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,625 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,549 |
| Roman Emperors | 0 | - | 4.95 | 120,094 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,779 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,602 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,477 |
| Languages of Spain | 0 | - | 4.36 | 23,324 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,790 |
| British to American Word Translation | 0 | - | 3.74 | 255,097 |
| British Foods by Description | 0 | - | 3.94 | 48,331 |
| British and American Word Differences | 0 | - | 2.63 | 46,884 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,568 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,374 |
| Monty Python Quotes | 0 | - | 4.88 | 42,469 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,264 |
| Roald Dahl Books | 0 | - | 4.44 | 34,062 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 34,376 |
| Middle Earth Geography | 0 | - | 4.56 | 39,817 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 81,487 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 45,841 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,956 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,377 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 141,184 |
| History of Russia Quiz | 0 | - | 4.47 | 31,922 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,738 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,999 |
| History of Italy | 0 | - | 4.55 | 31,980 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,802 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,898 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,261 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,159 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,664 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,242 |
| Shakespearean Characters | 0 | - | 4.38 | 37,651 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,369 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,773 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,260 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,376 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 119,525 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,096 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,726 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,596 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,752 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,610 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,913 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,765 |
| European Geography By Letter - V | 0 | - | 4.43 | 93,054 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,503 |
| Europe Map Quiz | 0 | - | 5.00 | 4,764,144 |
| European Physical Geography | 0 | - | 4.26 | 33,518 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,287 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,957 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,236 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,242 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,656 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,732 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,456 |
| Geography of Russia | 0 | - | 4.57 | 21,535 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,971 |
| History of Austria | 0 | - | 4.70 | 17,865 |
| Capitals of French Regions | 0 | - | 4.45 | 16,081 |
| Regions of France | 0 | - | 4.72 | 120,871 |
| France Immigration by Country | 0 | - | 4.70 | 76,541 |
| Geography of the French Empire | 0 | - | 4.45 | 27,062 |
| The French Revolution | 0 | - | 4.47 | 23,946 |
| France Multiple Choice | 0 | - | 4.39 | 40,745 |
| Ligue 1 Champions | 0 | - | 4.21 | 48,497 |
| History of France | 0 | - | 4.59 | 57,005 |
| Famous Germans | 0 | - | 4.50 | 55,307 |
| German Groups of Things | 0 | - | 4.46 | 38,483 |
| Capitals of German States | 0 | - | 4.74 | 28,956 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,348 |
| Germany True or False? | 0 | - | 4.61 | 48,816 |
| Bundesliga Champions | 0 | - | 4.25 | 56,557 |
| All Bundesliga Teams Ever | 0 | - | 4.35 | 45,564 |
| German History A-Z | 0 | - | 4.49 | 24,620 |
| Mediterranean Foods | 0 | - | 3.80 | 11,452 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,043 |
| Greece Country Quiz | 0 | - | 4.74 | 66,281 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,033 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,524 |
| Serie A Champions | 0 | - | 4.29 | 58,293 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,610 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,090 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,389 |
| The Vikings! | 0 | - | 4.46 | 28,348 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,143 |
| The Portuguese Empire | 0 | - | 4.58 | 12,067 |
| 2026 La Liga Clubs | 0 | - | 4.33 | 70,013 |
| La Liga - Trofeo Pichichi | 0 | - | 4,54 | 7.149 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,278 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,051 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,270 |
| Jane Austen Novels | 0 | - | 4.41 | 27,456 |
| Name All Charles Dickens Novels | 0 | - | 4.40 | 42,915 |
| Lord of the Rings - Races | 0 | - | 4.25 | 58,809 |
| The Ultimate LOTR Character Quiz - The Books | 0 | - | 4.61 | 20,749 |
| Beatles Lyrics First Names | 0 | - | 4.38 | 34,679 |
| Elton John Quiz | 0 | - | 4.48 | 18,470 |
| Doctor Who Actors | 0 | - | 4.61 | 17,932 |
| Champions League Top 4 | 0 | - | 4.77 | 136,572 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,219 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,107 |
| Countries of Africa | 0 | - | 5.00 | 2,538,136 |
| Africa Map Quiz | 0 | - | 5.00 | 2,118,405 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,865 |
| African East Coast | 0 | - | 4.96 | 96,100 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,920 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,591 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,736 |
| Australian Capitals | 0 | - | 4.92 | 62,729 |
| Australia Map Quiz | 0 | - | 4.95 | 344,676 |
| United States Map Quiz | 0 | - | 4.98 | 4,158,965 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,639 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,897 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,345 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,663 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,116 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,557 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,841 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,001 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,124 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,795 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,600 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,239 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,791 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,967 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,683 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,243 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,318 |
