| European Countries by First 2 Letters | 0 | - | 4.95 | 528,947 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,698 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,473 |
| Ancient Greek Words | 0 | - | 4.93 | 111,394 |
| Departments of France | 0 | - | 4.93 | 53,862 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,525 |
| England or Wales? | 0 | - | 4.94 | 45,616 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,024 |
| Official European Union Languages | 0 | - | 4.97 | 238,197 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,653 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,635 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,728 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,207 |
| The Trojan War | 0 | - | 4.83 | 39,658 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,333 |
| Name that Greek Letter | 0 | - | 4.93 | 323,149 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,582 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,436 |
| Roman Emperors | 0 | - | 4.95 | 119,713 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,426 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,903 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,178 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,770 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,247 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,275 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,043 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,820 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,298 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,894 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,587 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,710 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,367 |
| Celtic Nations | 0 | - | 4.69 | 46,912 |
| Geography of Spain | 0 | - | 4.59 | 22,059 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,088 |
| Champions League Winners | 0 | - | 4.92 | 1,004,353 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,948 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,040 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,750 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,519 |
| Countries Bordering France | 0 | - | 4.83 | 402,000 |
| German Loan Words | 0 | - | 4.27 | 135,739 |
| States of Germany | 0 | - | 4.96 | 152,026 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,913 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,697 |
| Regions of Italy | 0 | - | 4.92 | 75,635 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,963 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,057 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,058 |
| American to British Word Translation | 0 | - | 4.14 | 138,806 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,590 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,665 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,107 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,415 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,719 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,404 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,759 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,631 |
| Austria... or Australia? | 0 | - | 4.68 | 104,244 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,508 |
| Germany Country Quiz | 0 | - | 4.82 | 157,636 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,916 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,950 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,882 |
| Italy Country Quiz | 0 | - | 4.82 | 123,241 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,162 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,842 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,267 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,014 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,686 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,415 |
| Canary Islands | 0 | - | 4.62 | 17,463 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,779 |
| British Spellings | 0 | - | 4.06 | 99,413 |
| UK Immigration by Country | 0 | - | 4.94 | 140,722 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,520 |
| British Monopoly Board | 0 | - | 4.52 | 41,145 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,278 |
| Name the English Monarchs | 0 | - | 4.91 | 501,725 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,936 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,958 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,569 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,645 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,527 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,565 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,362 |
| Slavic Languages | 0 | - | 4.68 | 54,286 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,349 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,617 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,206 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,525 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,050 |
| France A-Z | 0 | - | 4.16 | 38,180 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,803 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,107 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,081 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.39 | 82,508 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,147 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,932 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,505 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,616 |
| Counties of Ireland | 0 | - | 4.92 | 194,781 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,585 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,766 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,341 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,775 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,703 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,866 |
| Roman Names for Places | 0 | - | 4.62 | 58,198 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,172 |
| History of Spain | 0 | - | 4.23 | 21,071 |
| Languages of Spain | 0 | - | 4.36 | 23,294 |
| Spanish History A-Z | 0 | - | 4.37 | 19,274 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,701 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,804 |
| Switzerland A-Z | 0 | - | 4.45 | 25,625 |
| British to American Word Translation | 0 | - | 3.74 | 255,012 |
| British Foods by Description | 0 | - | 3.94 | 48,316 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,642 |
| British and American Word Differences | 0 | - | 2.63 | 46,858 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,006 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,948 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,269 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,706 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,219 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,537 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,720 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,767 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,903 |
| History of Russia Quiz | 0 | - | 4.49 | 31,886 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,703 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,202 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,912 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,121 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,734 |
| Famous Irish People | 0 | - | 4.05 | 45,984 |
| History of Italy | 0 | - | 4.55 | 31,941 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,667 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,625 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,378 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,613 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,023 |
| British Geography A-Z | 0 | - | 4.42 | 19,497 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,638 |
| London A-Z | 0 | - | 4.10 | 40,749 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,940 |
| European Geography By Letter - A | 0 | - | 4.52 | 145,443 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 112,696 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,423 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,144 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,195 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,219 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,286 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,608 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,500 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,830 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,190 |
| Europe Map Quiz | 0 | - | 5.00 | 4,756,770 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,218 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,879 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,169 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,195 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,416 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,646 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,375 |
| Capitals of French Regions | 0 | - | 4.45 | 16,046 |
| Regions of France | 0 | - | 4.75 | 120,478 |
| France Immigration by Country | 0 | - | 4.70 | 76,418 |
| Kings of France Quiz | 0 | - | 4.20 | 32,691 |
| Famous Germans | 0 | - | 4.50 | 55,203 |
| German Groups of Things | 0 | - | 4.46 | 38,447 |
| Capitals of German States | 0 | - | 4.74 | 28,934 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,292 |
| Germany True or False? | 0 | - | 4.61 | 48,746 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,897 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,482 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,340 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,168 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,024 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,249 |
| 2026 La Liga Clubs | 0 | - | 4.33 | 69,858 |
| La Liga - Trofeo Pichichi | 0 | - | 4,54 | 7.103 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,238 |
| British to American Food Translation | 0 | - | 3.38 | 51,948 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,097 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,620 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,750 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,498 |
| Famous Scottish People | 0 | - | 4.22 | 18,391 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,757 |
| Africa Map Quiz | 0 | - | 5.00 | 2,115,187 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,868 |
| Australian Capitals | 0 | - | 4.92 | 62,700 |
| European Physical Geography | 0 | - | 4.26 | 33,479 |
| Geography of Russia | 0 | - | 4.57 | 21,513 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,917 |
| History of Austria | 0 | - | 4.70 | 17,839 |
| Austria Country Quiz | 0 | - | 4.57 | 59,652 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,686 |
| France Country Quiz | 0 | - | 4.70 | 134,802 |
