| European Countries by First 2 Letters | 0 | - | 4.95 | 527,274 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 44,028 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 210,570 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,989 |
| Departments of France | 0 | - | 4.93 | 53,134 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,414 |
| England or Wales? | 0 | - | 4.94 | 45,446 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,782 |
| Official European Union Languages | 0 | - | 4.97 | 237,424 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,182 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,097 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,601 |
| The Trojan War | 0 | - | 4.83 | 39,522 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,980 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,207 |
| Roman Emperors | 0 | - | 4.95 | 118,991 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,692 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,537 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,640 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,026 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,987 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,054 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,147 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,696 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,547 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,745 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,988 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 351,794 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,290 |
| Celtic Nations | 0 | - | 4.69 | 46,856 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,987 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,950 |
| Champions League Winners | 0 | - | 4.92 | 999,440 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,551 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,471 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,568 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,177 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,924 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,415 |
| Countries Bordering France | 0 | - | 4.83 | 400,753 |
| States of Germany | 0 | - | 4.96 | 150,795 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,255 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,700 |
| Regions of Italy | 0 | - | 4.92 | 75,036 |
| Netherlands Country Quiz | 0 | - | 4.53 | 80,152 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,787 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,950 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,622 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,369 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,598 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,257 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,380 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,973 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,808 |
| Austria... or Australia? | 0 | - | 4.68 | 104,037 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,561 |
| Germany Country Quiz | 0 | - | 4.82 | 156,988 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,446 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,844 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,821 |
| Italy Country Quiz | 0 | - | 4.82 | 122,550 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,714 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,355 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,095 |
| History of The Netherlands | 0 | - | 4.46 | 17,350 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,299 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,918 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,303 |
| UK Immigration by Country | 0 | - | 4.94 | 139,993 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,685 |
| British Monopoly Board | 0 | - | 4.52 | 41,083 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,676 |
| Name the English Monarchs | 0 | - | 4.92 | 499,425 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,004 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,491 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,619 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,190 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,636 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,040 |
| Slavic Languages | 0 | - | 4.68 | 54,104 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,494 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,580 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,958 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,034 |
| France A-Z | 0 | - | 4.16 | 38,101 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,654 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,937 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,772 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,709 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,083 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,647 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 643,747 |
| Name that Greek Letter | 0 | - | 4.93 | 322,241 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,139 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,511 |
| Counties of Ireland | 0 | - | 4.92 | 193,745 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,501 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,589 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,065 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,748 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,596 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,748 |
| Roman Names for Places | 0 | - | 4.62 | 57,998 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,872 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,311 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,514 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,061 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,607 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,730 |
| Switzerland A-Z | 0 | - | 4.45 | 25,557 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,521 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,954 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,552 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,226 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,748 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,723 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,973 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,944 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,456 |
| History of Russia Quiz | 0 | - | 4.49 | 31,828 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,618 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,137 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,797 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,058 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,723 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,880 |
| Famous Irish People | 0 | - | 4.05 | 45,894 |
| History of Italy | 0 | - | 4.55 | 31,875 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,367 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,319 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,061 |
| Geography of Spain | 0 | - | 4.59 | 22,007 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,874 |
| British Geography A-Z | 0 | - | 4.41 | 19,452 |
| Imagine Lyrics | 0 | - | 4.53 | 43,118 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,674 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,596 |
| London A-Z | 0 | - | 4.10 | 40,680 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,068 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,609 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,071 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,041 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,920 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,386 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,203 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,978 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,749 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,172 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,507 |
| Europe Map Quiz | 0 | - | 5.00 | 4,741,317 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,086 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,723 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,036 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,074 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,732 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,697 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,078 |
| Capitals of French Regions | 0 | - | 4.45 | 16,011 |
| Regions of France | 0 | - | 4.78 | 119,723 |
| France Immigration by Country | 0 | - | 4.72 | 76,116 |
| Kings of France Quiz | 0 | - | 4.20 | 32,608 |
| Famous Germans | 0 | - | 4.50 | 54,779 |
| German Groups of Things | 0 | - | 4.46 | 38,358 |
| Capitals of German States | 0 | - | 4.74 | 28,880 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,168 |
| Germany True or False? | 0 | - | 4.61 | 48,622 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,646 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,446 |
| Ancient Greek Words | 0 | - | 4.93 | 110,988 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,770 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,126 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,762 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,121 |
| British to American Food Translation | 0 | - | 3.38 | 51,895 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,688 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,335 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,469 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,438 |
| Beatles Lyrics First Names | 0 | - | 4.38 | 34,536 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 40,422 |
| Elton John Quiz | 0 | - | 4.48 | 18,429 |
| Famous Scottish People | 0 | - | 4.22 | 18,347 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,927 |
| Africa Map Quiz | 0 | - | 5.00 | 2,108,734 |
| Oceania Map Quiz | 0 | - | 4.98 | 637,541 |
| Australian Capitals | 0 | - | 4.92 | 62,639 |
| European Physical Geography | 0 | - | 4.26 | 33,409 |
| Geography of Russia | 0 | - | 4.57 | 21,461 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,831 |
| History of Austria | 0 | - | 4.70 | 17,784 |
| Austria Country Quiz | 0 | - | 4.57 | 59,480 |
| France Country Quiz | 0 | - | 4.70 | 134,360 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,003 |
| Geography of the French Empire | 0 | - | 4.45 | 26,977 |
| The French Revolution | 0 | - | 4.46 | 23,843 |
| France Multiple Choice | 0 | - | 4.38 | 40,670 |
| Tour de France Winners | 0 | - | 4.27 | 15,265 |
| History of France | 0 | - | 4.59 | 56,464 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,413 |
| Greece Country Quiz | 0 | - | 4.74 | 65,909 |
