| Regions of Spain Quiz | 0 | - | 4.90 | 113,924 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,470 |
| States of Germany | 0 | - | 4.96 | 152,529 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,022 |
| Regions of Italy | 0 | - | 4.92 | 75,851 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,140 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,186 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 213,340 |
| Departments of France | 0 | - | 4.93 | 54,087 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,544 |
| England or Wales? | 0 | - | 4.94 | 45,683 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,113 |
| Official European Union Languages | 0 | - | 4.97 | 238,484 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,828 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,152 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,318 |
| Name that Greek Letter | 0 | - | 4.93 | 323,410 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,461 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,979 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,069 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,232 |
| Canary Islands | 0 | - | 4.62 | 17,479 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,830 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,017 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,664 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,362 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,457 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,790 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,346 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,999 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,610 |
| Languages of Spain | 0 | - | 4.36 | 23,315 |
| Counties of England | 0 | - | 4.97 | 796,585 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 355,878 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,421 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,551 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,384 |
| Celtic Nations | 0 | - | 4.69 | 46,941 |
| Regions of France | 0 | - | 4.72 | 120,756 |
| France Immigration by Country | 0 | - | 4.70 | 76,505 |
| Famous Germans | 0 | - | 4.50 | 55,287 |
| German Groups of Things | 0 | - | 4.46 | 38,473 |
| Germany True or False? | 0 | - | 4.61 | 48,797 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,005 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,483 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,351 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,264 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,511 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,234 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,626 |
| Champions League Winners | 0 | - | 4.92 | 1,006,550 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,119 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 78,496 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 80,961 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,107 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,400 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,798 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,123 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,614 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,891 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,987 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,602 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,031 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,693 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,212 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,488 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,218 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,788 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,099 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,681 |
| Famous French People | 0 | - | 4.06 | 35,558 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,721 |
| Word Chain - France | 0 | - | 4.38 | 42,777 |
| Germany Country Quiz | 0 | - | 4.82 | 157,828 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,315 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,993 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,911 |
| Italy Country Quiz | 0 | - | 4.82 | 123,389 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,349 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,032 |
| Italian Foods | 0 | - | 4.30 | 72,775 |
| The Mafia Quiz | 0 | - | 4.46 | 23,320 |
| History of The Netherlands | 0 | - | 4.46 | 17,431 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,038 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,918 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,637 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,967 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,698 |
| British Spellings | 0 | - | 4.06 | 99,448 |
| British Groups of Things | 0 | - | 4.25 | 82,862 |
| British Acronyms | 0 | - | 4.40 | 45,796 |
| UK Immigration by Country | 0 | - | 4.94 | 140,882 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,035 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,760 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,578 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,777 |
| Geography of Scotland | 0 | - | 4.63 | 21,614 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,320 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,066 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,597 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,654 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,688 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,938 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,435 |
| Slavic Languages | 0 | - | 4.68 | 54,354 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,785 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,765 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,625 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,059 |
| France A-Z | 0 | - | 4.16 | 38,202 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,193 |
| French History Multiple Choice | 0 | - | 4.55 | 33,036 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,035 |
| History of Germany | 0 | - | 4.39 | 52,817 |
| The Trojan War | 0 | - | 4.83 | 39,721 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,824 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,608 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,521 |
| Roman Emperors | 0 | - | 4.95 | 120,015 |
| History of Spain | 0 | - | 4.23 | 21,086 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,266 |
| Switzerland A-Z | 0 | - | 4.45 | 25,644 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,677 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,021 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,768 |
| Malta Country Quiz | 0 | - | 4.81 | 31,054 |
| History of Russia Quiz | 0 | - | 4.47 | 31,914 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,723 |
| Movies Set in France | 0 | - | 4.26 | 13,119 |
| French Inventions | 0 | - | 4.08 | 13,897 |
| History of Paris | 0 | - | 4.24 | 13,646 |
| Word Chain - Germany | 0 | - | 4.31 | 22,586 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,745 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,944 |
| History of Italy | 0 | - | 4.55 | 31,970 |
| Word Chain - Italy | 0 | - | 4.07 | 23,164 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,775 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,104 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,656 |
| Famous Nordic People | 0 | - | 4.34 | 20,111 |
| Geography of Spain | 0 | - | 4.59 | 22,075 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,340 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,529 |
| People on Money - England | 0 | - | 4.29 | 16,610 |
| Name a Valid English City | 0 | - | 4.19 | 16,725 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,190 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,191 |
| European Geography By Letter - B #1 | 0 | - | 4.64 | 118,563 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,915 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,573 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,482 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,606 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,517 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,822 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,678 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,991 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,410 |
| Europe Map Quiz | 0 | - | 5.00 | 4,762,429 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,271 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,935 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,219 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,228 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,580 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,713 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,425 |
| Capitals of French Regions | 0 | - | 4.45 | 16,066 |
| Kings of France Quiz | 0 | - | 4.20 | 32,742 |
| Capitals of German States | 0 | - | 4.74 | 28,953 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,330 |
| Ancient Greek Words | 0 | - | 4.93 | 111,583 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,126 |
| 2026 La Liga Clubs | 0 | - | 4.33 | 69,970 |
| La Liga - Trofeo Pichichi | 0 | - | 4,54 | 7.144 |
| British to American Food Translation | 0 | - | 3.38 | 51,964 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,445 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,660 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,201 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,693 |
| Famous Scottish People | 0 | - | 4.22 | 18,393 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,121 |
| Song Title Translation - Spanish | 0 | - | 4.57 | 35,816 |
| Africa Map Quiz | 0 | - | 5.00 | 2,117,674 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,177 |
| Australian Capitals | 0 | - | 4.92 | 62,720 |
| European Physical Geography | 0 | - | 4.26 | 33,508 |
| Geography of Russia | 0 | - | 4.57 | 21,526 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,956 |
| History of Austria | 0 | - | 4.70 | 17,861 |
| Austria Country Quiz | 0 | - | 4.57 | 59,727 |
| Belgium Country Quiz | 0 | - | 4.73 | 71,787 |
| France Country Quiz | 0 | - | 4.70 | 134,963 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,155 |
| Geography of the French Empire | 0 | - | 4.45 | 27,057 |
| The French Revolution | 0 | - | 4.46 | 23,929 |
| France Multiple Choice | 0 | - | 4.39 | 40,740 |
| Tour de France Winners | 0 | - | 4.27 | 15,368 |
| History of France | 0 | - | 4.59 | 56,967 |
| Greece Country Quiz | 0 | - | 4.74 | 66,244 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,920 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,047 |
