| Regions of Spain Quiz | 0 | - | 4.90 | 114,680 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,967 |
| States of Germany | 0 | - | 4.95 | 153,572 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,369 |
| Regions of Italy | 0 | - | 4.92 | 76,422 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,516 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,496 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,037 |
| Departments of France | 0 | - | 4.93 | 54,621 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,642 |
| England or Wales? | 0 | - | 4.94 | 45,828 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,410 |
| Official European Union Languages | 0 | - | 4.97 | 239,102 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,245 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,546 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 649,627 |
| Name that Greek Letter | 0 | - | 4.93 | 324,348 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,536 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,155 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,459 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,324 |
| Canary Islands | 0 | - | 4.62 | 17,500 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,941 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,712 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,725 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,706 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,912 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,527 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,253 |
| Most Common First Names in Spain | 0 | - | 4.27 | 47,762 |
| Languages of Spain | 0 | - | 4.36 | 23,365 |
| Counties of England | 0 | - | 4.97 | 799,878 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,858 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,744 |
| Top African Languages on a Map | 0 | - | 4.94 | 74,648 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,840 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,447 |
| Celtic Nations | 0 | - | 4.69 | 47,016 |
| Regions of France | 0 | - | 4.70 | 121,428 |
| France Immigration by Country | 0 | - | 4.70 | 76,726 |
| Famous Germans | 0 | - | 4.50 | 55,576 |
| German Groups of Things | 0 | - | 4.46 | 38,555 |
| Germany True or False? | 0 | - | 4.61 | 48,921 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,199 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,914 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,554 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,365 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,480 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,516 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,716 |
| Champions League Winners | 0 | - | 4.92 | 1,011,004 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,222 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,478 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,511 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,466 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,303 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,982 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,336 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,250 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,626 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,971 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,245 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,357 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,206 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,771 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,473 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,634 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,546 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,719 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,978 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,816 |
| Famous French People | 0 | - | 4.07 | 35,922 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,304 |
| Word Chain - France | 0 | - | 4.38 | 42,867 |
| Germany Country Quiz | 0 | - | 4.83 | 158,332 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,742 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,117 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,969 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,809 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,704 |
| Italian Foods | 0 | - | 4.30 | 73,012 |
| The Mafia Quiz | 0 | - | 4.46 | 23,393 |
| History of The Netherlands | 0 | - | 4.46 | 17,501 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,079 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,183 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,360 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,388 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,866 |
| British Spellings | 0 | - | 4.06 | 99,529 |
| British Groups of Things | 0 | - | 4.25 | 82,932 |
| British Acronyms | 0 | - | 4.40 | 45,872 |
| UK Immigration by Country | 0 | - | 4.94 | 141,251 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,064 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,350 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,164 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,997 |
| Geography of Scotland | 0 | - | 4.63 | 21,679 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,242 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,496 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,668 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,680 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,956 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,853 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,694 |
| Slavic Languages | 0 | - | 4.68 | 54,520 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 101,786 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,921 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,650 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,098 |
| France A-Z | 0 | - | 4.16 | 38,283 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,437 |
| French History Multiple Choice | 0 | - | 4.55 | 33,148 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,283 |
| History of Germany | 0 | - | 4.39 | 52,914 |
| The Trojan War | 0 | - | 4.83 | 39,853 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,417 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,684 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,065 |
| Roman Emperors | 0 | - | 4.95 | 120,560 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,373 |
| History of Spain | 0 | - | 4.23 | 21,132 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,591 |
| Switzerland A-Z | 0 | - | 4.45 | 25,702 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,812 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,057 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,903 |
| Malta Country Quiz | 0 | - | 4.81 | 31,138 |
| History of Russia Quiz | 0 | - | 4.47 | 31,971 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,797 |
| Movies Set in France | 0 | - | 4.26 | 13,135 |
| French Inventions | 0 | - | 4.10 | 13,911 |
| History of Paris | 0 | - | 4.24 | 13,665 |
| Word Chain - Germany | 0 | - | 4.31 | 22,639 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,281 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,737 |
| History of Italy | 0 | - | 4.55 | 32,085 |
| Word Chain - Italy | 0 | - | 4.07 | 23,199 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,063 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,136 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,748 |
| Famous Nordic People | 0 | - | 4.34 | 20,199 |
| Geography of Spain | 0 | - | 4.59 | 22,125 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,369 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,550 |
| People on Money - England | 0 | - | 4.29 | 16,627 |
| Name a Valid English City | 0 | - | 4.19 | 16,766 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,107 |
| European Geography By Letter - B #1 | 0 | - | 4.69 | 120,509 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,889 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,442 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,111 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,491 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,287 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,106 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,356 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,945 |
| Europe Map Quiz | 0 | - | 5.00 | 4,774,682 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,394 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,047 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,344 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,321 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,968 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,855 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,584 |
| Capitals of French Regions | 0 | - | 4.45 | 16,127 |
| Kings of France Quiz | 0 | - | 4.20 | 32,846 |
| Capitals of German States | 0 | - | 4.74 | 29,006 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,420 |
| Ancient Greek Words | 0 | - | 4.93 | 112,047 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,328 |
| 2026 La Liga Clubs | 0 | - | 4.33 | 70,234 |
| La Liga - Trofeo Pichichi | 0 | - | 4,54 | 7.215 |
| British to American Food Translation | 0 | - | 3.38 | 51,996 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,502 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,741 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,346 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,195 |
| Famous Scottish People | 0 | - | 4.22 | 18,418 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,941 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,767 |
| Song Title Translation - Spanish | 0 | - | 4.57 | 35,860 |
| Oceania Map Quiz | 0 | - | 4.98 | 655,948 |
| Australian Capitals | 0 | - | 4.92 | 62,776 |
| European Physical Geography | 0 | - | 4.26 | 33,557 |
| Geography of Russia | 0 | - | 4.57 | 21,560 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,039 |
| History of Austria | 0 | - | 4.70 | 17,927 |
| Austria Country Quiz | 0 | - | 4.57 | 59,888 |
| Belgium Country Quiz | 0 | - | 4.72 | 72,003 |
| France Country Quiz | 0 | - | 4.70 | 135,299 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,262 |
| Geography of the French Empire | 0 | - | 4.45 | 27,169 |
| The French Revolution | 0 | - | 4.47 | 24,082 |
| France Multiple Choice | 0 | - | 4.39 | 40,783 |
| Tour de France Winners | 0 | - | 4.27 | 15,442 |
| History of France | 0 | - | 4.61 | 57,354 |
| Greece Country Quiz | 0 | - | 4.74 | 66,430 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,976 |
| Italy Country Quiz | 0 | - | 4.77 | 123,715 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,389 |
