| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,677 |
| Name that Greek Letter | 0 | - | 4.94 | 321,585 |
| The Trojan War | 0 | - | 4.83 | 39,419 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,490 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,229 |
| Ancient Greek Words | 0 | - | 4.92 | 110,637 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,507 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,220 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,563 |
| Official European Union Languages | 0 | - | 4.97 | 236,467 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,666 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,069 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,027 |
| Roman Emperors | 0 | - | 4.95 | 118,414 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,521 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,548 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,867 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,677 |
| Name Every Beatles Song | 0 | - | 4.97 | 233,986 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,286 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,663 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,234 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,232 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,826 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,743 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,764 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,034 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,981 |
| Champions League Winners | 0 | - | 4.92 | 995,919 |
| Celtic Nations | 0 | - | 4.69 | 46,807 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,304 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,185 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,186 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,737 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,887 |
| Countries Bordering France | 0 | - | 4.83 | 398,579 |
| German Loan Words | 0 | - | 4.27 | 135,447 |
| States of Germany | 0 | - | 4.96 | 149,953 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,990 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,933 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,510 |
| Regions of Italy | 0 | - | 4.92 | 74,667 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,785 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,272 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,100 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,400 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,601 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,125 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,775 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,426 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,136 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,090 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,353 |
| Austria... or Australia? | 0 | - | 4.68 | 103,846 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,749 |
| Departments of France | 0 | - | 4.93 | 52,749 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,505 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,784 |
| Counties of Ireland | 0 | - | 4.92 | 192,975 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,425 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,932 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,260 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,355 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,234 |
| British Monopoly Board | 0 | - | 4.52 | 41,024 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,212 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,542 |
| Name the English Monarchs | 0 | - | 4.92 | 497,740 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,689 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,742 |
| England or Wales? | 0 | - | 4.94 | 45,305 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,418 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,426 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,440 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,597 |
| Word Scramble - European Countries | 0 | - | 4.70 | 140,967 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,956 |
| Slavic Languages | 0 | - | 4.67 | 53,962 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,489 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,287 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,200 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,424 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,423 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,527 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,656 |
| Roman Names for Places | 0 | - | 4.62 | 57,862 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,681 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,820 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,239 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,814 |
| Monty Python Quotes | 0 | - | 4.88 | 42,320 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 63,383 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,431 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,540 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,164 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 396,998 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,081 |
| History of Russia Quiz | 0 | - | 4.49 | 31,784 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,558 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,664 |
| Olympian Gods Quiz | 0 | - | 4.96 | 495,753 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,419 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,008 |
| Famous Irish People | 0 | - | 4.05 | 45,854 |
| History of Italy | 0 | - | 4.55 | 31,809 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,135 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,109 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,476 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,283 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,974 |
| Geography of Spain | 0 | - | 4.59 | 21,954 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,792 |
| Shakespearean Characters | 0 | - | 4.38 | 37,501 |
| Imagine Lyrics | 0 | - | 4.53 | 43,057 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 40,281 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,579 |
| London A-Z | 0 | - | 4.10 | 40,633 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,037 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,462 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,352 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 110,855 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,790 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,662 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,186 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,838 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,640 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,604 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,005 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,273 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,978 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,979 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,606 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,932 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,969 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,573 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,365 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,128 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,599 |
| Capitals of French Regions | 0 | - | 4.45 | 15,982 |
| Regions of France | 0 | - | 4.78 | 119,173 |
| France Immigration by Country | 0 | - | 4.72 | 75,943 |
| Famous Germans | 0 | - | 4.50 | 54,595 |
| German Groups of Things | 0 | - | 4.46 | 38,298 |
| Capitals of German States | 0 | - | 4.74 | 28,807 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,090 |
| Germany True or False? | 0 | - | 4.61 | 48,520 |
| German History A-Z | 0 | - | 4.49 | 24,209 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,434 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,309 |
| Serie A Champions | 0 | - | 4.29 | 57,703 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,949 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,401 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,599 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,760 |
| 2026 La Liga Clubs | 0 | - | 4.33 | 69,334 |
| La Liga - Trofeo Pichichi | 0 | - | 4,54 | 6.927 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,037 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,917 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,387 |
| Beatles Lyrics First Names | 0 | - | 4.38 | 34,465 |
| Elton John Quiz | 0 | - | 4.48 | 18,399 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,062 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,790 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,041 |
| Australian Capitals | 0 | - | 4.92 | 62,591 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,159 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,580 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,170 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,418 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,860 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,236 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,454 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,129 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,899 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,281 |
| European Physical Geography | 0 | - | 4.26 | 33,373 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,387 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,490 |
| European Geography A-Z | 0 | - | 4.28 | 48,985 |
| Geography of Russia | 0 | - | 4.57 | 21,424 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,764 |
| History of Austria | 0 | - | 4.70 | 17,743 |
| Geography of the French Empire | 0 | - | 4.48 | 26,923 |
| Word Chain - France | 0 | - | 4.38 | 42,574 |
| The French Revolution | 0 | - | 4.46 | 23,773 |
| France Multiple Choice | 0 | - | 4.38 | 40,629 |
| History of France | 0 | - | 4.59 | 55,978 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,621 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,381 |
| Mediterranean Foods | 0 | - | 3.80 | 11,380 |
| Greece by Picture | 0 | - | 4.16 | 14,690 |
| Greece Country Quiz | 0 | - | 4.74 | 65,736 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,761 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,765 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,857 |
| Italian Foods | 0 | - | 4.31 | 72,151 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,298 |
| Italian History A-Z | 0 | - | 4.21 | 17,379 |
| The Mafia Quiz | 0 | - | 4.46 | 23,203 |
| Byzantine History | 0 | - | 4.91 | 28,608 |
