| Regions of Spain Quiz | 0 | - | 4.90 | 115,396 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,626 |
| States of Germany | 0 | - | 4.95 | 154,621 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,722 |
| Regions of Italy | 0 | - | 4.92 | 77,133 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,825 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,789 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,908 |
| Departments of France | 0 | - | 4.93 | 55,219 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,753 |
| England or Wales? | 0 | - | 4.94 | 45,982 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,765 |
| Official European Union Languages | 0 | - | 4.97 | 239,869 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,696 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,039 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,215 |
| Name that Greek Letter | 0 | - | 4.93 | 325,069 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,634 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,335 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,881 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,432 |
| Canary Islands | 0 | - | 4.62 | 17,543 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,065 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,938 |
| 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 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,309 |
| Languages of Spain | 0 | - | 4.36 | 23,445 |
| Counties of England | 0 | - | 4.97 | 803,271 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,931 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,119 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,313 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,187 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,513 |
| Celtic Nations | 0 | - | 4.61 | 47,105 |
| Regions of France | 0 | - | 4.70 | 122,167 |
| France Immigration by Country | 0 | - | 4.70 | 76,954 |
| Famous Germans | 0 | - | 4.50 | 55,807 |
| German Groups of Things | 0 | - | 4.47 | 38,645 |
| Germany True or False? | 0 | - | 4.61 | 49,029 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,509 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,420 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,798 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,414 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,538 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,853 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,819 |
| Champions League Winners | 0 | - | 4.92 | 1,016,611 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,017 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,805 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,934 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,019 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,612 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,689 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,850 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,397 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,645 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,068 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,553 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,121 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,390 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,843 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,751 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,763 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,987 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,998 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,011 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,952 |
| Famous French People | 0 | - | 4.05 | 36,120 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,851 |
| Word Chain - France | 0 | - | 4.38 | 42,946 |
| Germany Country Quiz | 0 | - | 4.82 | 158,887 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,113 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,248 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,051 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,279 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,085 |
| Italian Foods | 0 | - | 4.30 | 73,299 |
| The Mafia Quiz | 0 | - | 4.46 | 23,441 |
| History of The Netherlands | 0 | - | 4.46 | 17,556 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,121 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,522 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,920 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,981 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,092 |
| British Spellings | 0 | - | 4.06 | 99,612 |
| British Groups of Things | 0 | - | 4.26 | 83,024 |
| British Acronyms | 0 | - | 4.40 | 45,948 |
| UK Immigration by Country | 0 | - | 4.94 | 141,761 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,115 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,078 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,840 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,139 |
| Geography of Scotland | 0 | - | 4.63 | 21,746 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,232 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,849 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,755 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,723 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,359 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 122,629 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,974 |
| Slavic Languages | 0 | - | 4.67 | 54,713 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,954 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,105 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,673 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,146 |
| France A-Z | 0 | - | 4.16 | 38,344 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,728 |
| French History Multiple Choice | 0 | - | 4.55 | 33,248 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,578 |
| History of Germany | 0 | - | 4.39 | 52,980 |
| The Trojan War | 0 | - | 4.83 | 40,006 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,019 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,746 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,612 |
| Roman Emperors | 0 | - | 4.95 | 121,268 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,696 |
| History of Spain | 0 | - | 4.23 | 21,165 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,906 |
| Switzerland A-Z | 0 | - | 4.45 | 25,774 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,989 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,091 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,107 |
| Malta Country Quiz | 0 | - | 4.81 | 31,242 |
| History of Russia Quiz | 0 | - | 4.47 | 32,009 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,881 |
| Movies Set in France | 0 | - | 4.26 | 13,153 |
| French Inventions | 0 | - | 4.10 | 13,929 |
| History of Paris | 0 | - | 4.24 | 13,682 |
| Word Chain - Germany | 0 | - | 4.31 | 22,687 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,908 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,633 |
| History of Italy | 0 | - | 4.55 | 32,159 |
| Word Chain - Italy | 0 | - | 4.07 | 23,225 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,406 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,168 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,829 |
| Famous Nordic People | 0 | - | 4.34 | 20,315 |
| Geography of Spain | 0 | - | 4.59 | 22,189 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,417 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,580 |
| People on Money - England | 0 | - | 4.29 | 16,646 |
| Name a Valid English City | 0 | - | 4.19 | 16,830 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,270 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,666 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,122 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,190 |
| 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 | 4,789,499 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,536 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,199 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,473 |
| 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 |
| Capitals of French Regions | 0 | - | 4.45 | 16,185 |
| Kings of France Quiz | 0 | - | 4.21 | 32,936 |
| Capitals of German States | 0 | - | 4.74 | 29,076 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,551 |
| Ancient Greek Words | 0 | - | 4.93 | 112,526 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,531 |
| 2026 La Liga Clubs | 0 | - | 4.33 | 70,485 |
| La Liga - Trofeo Pichichi | 0 | - | 4,57 | 7.321 |
| British to American Food Translation | 0 | - | 3.38 | 52,052 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,576 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,823 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,422 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,843 |
| Famous Scottish People | 0 | - | 4.22 | 18,442 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,785 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,465 |
| Song Title Translation - Spanish | 0 | - | 4.57 | 35,905 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,677 |
| Australian Capitals | 0 | - | 4.92 | 62,838 |
| European Physical Geography | 0 | - | 4.26 | 33,600 |
| Geography of Russia | 0 | - | 4.57 | 21,606 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,137 |
| History of Austria | 0 | - | 4.70 | 17,977 |
| Austria Country Quiz | 0 | - | 4.57 | 60,068 |
| Belgium Country Quiz | 0 | - | 4.72 | 72,274 |
| France Country Quiz | 0 | - | 4.70 | 135,697 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,373 |
| 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 |
| Tour de France Winners | 0 | - | 4.27 | 15,522 |
| History of France | 0 | - | 4.61 | 57,652 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,562 |
| Greece Country Quiz | 0 | - | 4.74 | 66,660 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,951 |
