| England or Wales? | 0 | - | 4.94 | 45,319 |
| Departments of France | 0 | - | 4.93 | 52,832 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,516 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,362 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,060 |
| Austria... or Australia? | 0 | - | 4.68 | 103,873 |
| States of Germany | 0 | - | 4.96 | 150,074 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,023 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,522 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,551 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,072 |
| Germany Country Quiz | 0 | - | 4.82 | 156,555 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,369 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,585 |
| Official European Union Languages | 0 | - | 4.97 | 236,566 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,707 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,223 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,777 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,344 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,603 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,381 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,461 |
| The Trojan War | 0 | - | 4.83 | 39,429 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,542 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,051 |
| Roman Emperors | 0 | - | 4.95 | 118,495 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,541 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,566 |
| French History Multiple Choice | 0 | - | 4.55 | 32,879 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,569 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,855 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,840 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,912 |
| France A-Z | 0 | - | 4.16 | 38,057 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,049 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,950 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,242 |
| Celtic Nations | 0 | - | 4.69 | 46,812 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,095 |
| Capitals of French Regions | 0 | - | 4.45 | 15,987 |
| Regions of France | 0 | - | 4.78 | 119,265 |
| France Immigration by Country | 0 | - | 4.72 | 75,968 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,683 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,171 |
| Champions League Winners | 0 | - | 4.92 | 996,399 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,336 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,224 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,273 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,799 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,014 |
| Geography of the French Empire | 0 | - | 4.48 | 26,936 |
| The French Revolution | 0 | - | 4.46 | 23,785 |
| France Multiple Choice | 0 | - | 4.38 | 40,635 |
| Countries Bordering France | 0 | - | 4.83 | 399,159 |
| Kings of France Quiz | 0 | - | 4.20 | 32,556 |
| History of France | 0 | - | 4.59 | 56,057 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,688 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,384 |
| Regions of Italy | 0 | - | 4.92 | 74,730 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,817 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,700 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,358 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,199 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,226 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,047 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,419 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,148 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,561 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,227 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,183 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,196 |
| Presidents of France | 0 | - | 4.25 | 23,903 |
| Word Chain - France | 0 | - | 4.38 | 42,583 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,626 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,153 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,779 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,771 |
| Italy Country Quiz | 0 | - | 4.82 | 122,214 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,391 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,083 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,955 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,953 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,648 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,890 |
| UK Immigration by Country | 0 | - | 4.94 | 139,648 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,153 |
| British Monopoly Board | 0 | - | 4.52 | 41,034 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,294 |
| Name the English Monarchs | 0 | - | 4.92 | 497,944 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,501 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,450 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,599 |
| Word Scramble - European Countries | 0 | - | 4.70 | 140,994 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,058 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,844 |
| Slavic Languages | 0 | - | 4.67 | 53,986 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,400 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,555 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,782 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,639 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,962 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,538 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,808 |
| Tour de France Winners | 0 | - | 4.27 | 15,224 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.39 | 82,313 |
| Geography of Germany | 0 | - | 4.35 | 17,086 |
| History of Germany | 0 | - | 4.39 | 52,614 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,967 |
| Name that Greek Letter | 0 | - | 4.94 | 321,686 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,906 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,437 |
| Counties of Ireland | 0 | - | 4.92 | 193,086 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,429 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,456 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,878 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,337 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,535 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,670 |
| Roman Names for Places | 0 | - | 4.62 | 57,878 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,376 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,677 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,250 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,474 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,318 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,469 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,143 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,502 |
| Switzerland A-Z | 0 | - | 4.45 | 25,508 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,444 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,919 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,283 |
| UK General Knowledge Multiple Choice #1 | 0 | - | 4.24 | 20,664 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,628 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,447 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,317 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,958 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,836 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,735 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,769 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,448 |
| Canada Multiple Choice Quiz | 0 | - | 4.53 | 48,899 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,139 |
| History of Russia Quiz | 0 | - | 4.49 | 31,795 |
| Famous French People | 0 | - | 4.12 | 27,954 |
| Movies Set in France | 0 | - | 4.26 | 13,073 |
| French Inventions | 0 | - | 4.08 | 13,866 |
| History of Paris | 0 | - | 4.24 | 13,616 |
| French History A-Z | 0 | - | 4.17 | 19,121 |
| Most Popular Baby Boy Names in Germany | 0 | - | 4.34 | 66,906 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,984 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,202 |
| 101 Figures from Greek Mythology | 0 | - | 5.00 | 124,302 |
| Famous Irish People | 0 | - | 4.05 | 45,855 |
| History of Italy | 0 | - | 4.55 | 31,817 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,166 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,483 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,286 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,982 |
| Geography of Spain | 0 | - | 4.59 | 21,966 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,802 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,580 |
| London A-Z | 0 | - | 4.10 | 40,638 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,541 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,419 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,919 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,868 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,724 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,227 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,908 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,680 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,636 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,029 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,318 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,580 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,992 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,618 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,946 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,987 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,607 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,154 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,613 |
| France World Cup Squad 2018 | 0 | - | 4.41 | 33,286 |
| Famous Germans | 0 | - | 4.50 | 54,619 |
| German Groups of Things | 0 | - | 4.46 | 38,306 |
| Capitals of German States | 0 | - | 4.74 | 28,812 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,097 |
| Germany True or False? | 0 | - | 4.61 | 48,535 |
| German History A-Z | 0 | - | 4.49 | 24,223 |
| German Inventions | 0 | - | 3.91 | 30,182 |
| Embarrassing Chapters in German History | 0 | - | 3.41 | 12,572 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,477 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,465 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,424 |
| Ancient Greek Words | 0 | - | 4.92 | 110,707 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,532 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,117 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,618 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,831 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,047 |
| British to American Food Translation | 0 | - | 3.38 | 51,817 |
