| Departments of France | 0 | - | 4.93 | 53,950 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,745 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,119 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,644 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,529 |
| England or Wales? | 0 | - | 4.94 | 45,634 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,050 |
| Official European Union Languages | 0 | - | 4.97 | 238,284 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,711 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,802 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,107 |
| The Trojan War | 0 | - | 4.83 | 39,674 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,615 |
| Name that Greek Letter | 0 | - | 4.93 | 323,247 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,656 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,461 |
| Roman Emperors | 0 | - | 4.95 | 119,777 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,928 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,790 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,946 |
| France A-Z | 0 | - | 4.16 | 38,185 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 355,113 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,823 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,375 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,382 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,299 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,166 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,020 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,214 |
| Capitals of French Regions | 0 | - | 4.45 | 16,053 |
| Regions of France | 0 | - | 4.75 | 120,568 |
| France Immigration by Country | 0 | - | 4.70 | 76,450 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,925 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,312 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,926 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,196 |
| Champions League Winners | 0 | - | 4.92 | 1,005,259 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,331 |
| Celtic Nations | 0 | - | 4.69 | 46,917 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,005 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,092 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 80,822 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,702 |
| Geography of the French Empire | 0 | - | 4.45 | 27,040 |
| The French Revolution | 0 | - | 4.46 | 23,919 |
| France Multiple Choice | 0 | - | 4.39 | 40,721 |
| Countries Bordering France | 0 | - | 4.83 | 402,146 |
| Kings of France Quiz | 0 | - | 4.20 | 32,698 |
| History of France | 0 | - | 4.59 | 56,907 |
| States of Germany | 0 | - | 4.96 | 152,160 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,946 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,822 |
| Regions of Italy | 0 | - | 4.92 | 75,704 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,014 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,080 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,764 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,101 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,872 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,613 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,678 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,149 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,439 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,387 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,880 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,495 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,877 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,493 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,646 |
| Austria... or Australia? | 0 | - | 4.68 | 104,269 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,233 |
| Famous French People | 0 | - | 4.06 | 35,300 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,573 |
| Presidents of France | 0 | - | 4.25 | 24,055 |
| Word Chain - France | 0 | - | 4.38 | 42,761 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,818 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,125 |
| Tour de France Winners | 0 | - | 4.27 | 15,349 |
| Germany Country Quiz | 0 | - | 4.82 | 157,696 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,987 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,348 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,959 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,890 |
| Counties of Ireland | 0 | - | 4.92 | 194,921 |
| Italy Country Quiz | 0 | - | 4.82 | 123,288 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,206 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,882 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,799 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,281 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,869 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,793 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,491 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,834 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,789 |
| UK Immigration by Country | 0 | - | 4.94 | 140,771 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,601 |
| British Monopoly Board | 0 | - | 4.52 | 41,152 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,382 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,992 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,406 |
| Name the English Monarchs | 0 | - | 4.91 | 501,952 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,584 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,756 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,078 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,993 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,576 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,647 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,582 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,697 |
| Slavic Languages | 0 | - | 4.68 | 54,308 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,620 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,591 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,054 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,203 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,962 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,552 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,629 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,588 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,374 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,712 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,878 |
| Roman Names for Places | 0 | - | 4.62 | 58,225 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,206 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,439 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,593 |
| Languages of Spain | 0 | - | 4.36 | 23,300 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,836 |
| Switzerland A-Z | 0 | - | 4.45 | 25,627 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,650 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,007 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,718 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,263 |
| History of Russia Quiz | 0 | - | 4.47 | 31,899 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,710 |
| Movies Set in France | 0 | - | 4.26 | 13,118 |
| French Inventions | 0 | - | 4.08 | 13,892 |
| History of Paris | 0 | - | 4.24 | 13,643 |
| French History A-Z | 0 | - | 4.23 | 24,591 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,124 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,217 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,486 |
| Ancient Greek Words | 0 | - | 4.93 | 111,449 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,714 |
| Famous Irish People | 0 | - | 4.05 | 45,988 |
| History of Italy | 0 | - | 4.55 | 31,955 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,705 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,173 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,636 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,386 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,196 |
| Geography of Spain | 0 | - | 4.59 | 22,062 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,033 |
| British Geography A-Z | 0 | - | 4.42 | 19,504 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,896 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,549 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,644 |
| London A-Z | 0 | - | 4.10 | 40,749 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,006 |
| European Geography By Letter - A | 0 | - | 4.52 | 145,626 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 112,740 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,460 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,177 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,232 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,284 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,320 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,630 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,537 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,856 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,229 |
| Europe Map Quiz | 0 | - | 5.00 | 4,758,418 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,234 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,898 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,186 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,206 |
| European Geography By Letter - S #1 | 0 | - | 4.54 | 100,438 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,669 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,393 |
| France World Cup Squad 2018 | 0 | - | 4.41 | 33,627 |
| Famous Germans | 0 | - | 4.50 | 55,234 |
| German Groups of Things | 0 | - | 4.46 | 38,453 |
| Capitals of German States | 0 | - | 4.74 | 28,941 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,301 |
| Germany True or False? | 0 | - | 4.61 | 48,764 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,934 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,383 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,611 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,051 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,293 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,244 |
| British to American Food Translation | 0 | - | 3.38 | 51,954 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,140 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,425 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,603 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,630 |
| Famous Scottish People | 0 | - | 4.22 | 18,391 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,845 |
| Africa Map Quiz | 0 | - | 5.00 | 2,115,953 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,281 |
| Australian Capitals | 0 | - | 4.92 | 62,709 |
| United States Map Quiz | 0 | - | 4.98 | 4,155,385 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,853 |
