| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,269 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,914 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,027 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,744 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,950 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,435 |
| Famous Germans | 0 | - | 4.50 | 55,195 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,329 |
| Departments of France | 0 | - | 4.93 | 53,843 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,524 |
| England or Wales? | 0 | - | 4.94 | 45,616 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,014 |
| Official European Union Languages | 0 | - | 4.97 | 238,192 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,649 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,625 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,727 |
| Famous Irish People | 0 | - | 4.05 | 45,983 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,587 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,565 |
| The Trojan War | 0 | - | 4.83 | 39,657 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,575 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,434 |
| Roman Emperors | 0 | - | 4.95 | 119,693 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,897 |
| Famous French People | 0 | - | 4.06 | 35,105 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,621 |
| History of The Netherlands | 0 | - | 4.46 | 17,412 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,769 |
| Famous Scottish People | 0 | - | 4.22 | 18,391 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,035 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,799 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,617 |
| France A-Z | 0 | - | 4.16 | 38,179 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,296 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,892 |
| Switzerland A-Z | 0 | - | 4.45 | 25,625 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,636 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,366 |
| Celtic Nations | 0 | - | 4.69 | 46,910 |
| European Geography By Letter - A | 0 | - | 4.52 | 145,395 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 112,683 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,413 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,137 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,187 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,210 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,276 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,603 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,446 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,827 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,182 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,410 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,120 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,244 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,076 |
| London A-Z | 0 | - | 4.10 | 40,746 |
| Champions League Winners | 0 | - | 4.92 | 1,004,282 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,208 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,940 |
| Famous Russians | 0 | - | 4.16 | 23,820 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,495 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,684 |
| Countries Bordering France | 0 | - | 4.83 | 401,989 |
| States of Germany | 0 | - | 4.96 | 152,010 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,912 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,688 |
| Regions of Italy | 0 | - | 4.92 | 75,622 |
| Netherlands Country Quiz | 0 | - | 4.53 | 80,413 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,054 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,613 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,685 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,041 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,663 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,417 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,294 |
| European Geography By Letter - F | 0 | - | 4.17 | 92,618 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,789 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,443 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,279 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,935 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,542 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,778 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,040 |
| European Geography A-Z | 0 | - | 4.29 | 49,212 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,413 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,704 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,382 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,751 |
| Austria... or Australia? | 0 | - | 4.68 | 104,243 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,497 |
| Germany Country Quiz | 0 | - | 4.82 | 157,628 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,916 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,948 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,881 |
| Italy Country Quiz | 0 | - | 4.82 | 123,236 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,157 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,840 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,261 |
| The Mafia Quiz | 0 | - | 4.46 | 23,300 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,682 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,411 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,773 |
| UK Immigration by Country | 0 | - | 4.94 | 140,717 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,506 |
| British Monopoly Board | 0 | - | 4.52 | 41,145 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,274 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,701 |
| Name the English Monarchs | 0 | - | 4.91 | 501,691 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,899 |
| Famous Australians by Description | 0 | - | 4.23 | 27,884 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,644 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,522 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,541 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,449 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,359 |
| Slavic Languages | 0 | - | 4.68 | 54,284 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,630 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,202 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,517 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,800 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,103 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,079 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,145 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,201 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,289 |
| Name that Greek Letter | 0 | - | 4.93 | 323,138 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,501 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,614 |
| Counties of Ireland | 0 | - | 4.92 | 194,772 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,585 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,766 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,338 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,760 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,703 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,866 |
| Roman Names for Places | 0 | - | 4.62 | 58,193 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,168 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,425 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,587 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,694 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,804 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,641 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,005 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,939 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,251 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,704 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,213 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,489 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,717 |
| Africa A-Z | 0 | - | 4.57 | 46,574 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,891 |
| History of Russia Quiz | 0 | - | 4.49 | 31,883 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,700 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,200 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,911 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,704 |
| History of Italy | 0 | - | 4.55 | 31,938 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,662 |
| Famous Nordic People | 0 | - | 4.34 | 20,072 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,378 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,178 |
| Geography of Spain | 0 | - | 4.59 | 22,055 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,518 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,019 |
| People on Money - England | 0 | - | 4.29 | 16,606 |
| British Geography A-Z | 0 | - | 4.42 | 19,496 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,638 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,439 |
| Famous Chinese People | 0 | - | 4.09 | 11,868 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,932 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,093 |
| Europe Map Quiz | 0 | - | 5.00 | 4,756,608 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,214 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,875 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,165 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,190 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,374 |
| Capitals of French Regions | 0 | - | 4.45 | 16,045 |
| Regions of France | 0 | - | 4.75 | 120,466 |
| France Immigration by Country | 0 | - | 4.70 | 76,416 |
| Kings of France Quiz | 0 | - | 4.20 | 32,690 |
| German Groups of Things | 0 | - | 4.46 | 38,445 |
| Capitals of German States | 0 | - | 4.74 | 28,934 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,291 |
| Germany True or False? | 0 | - | 4.61 | 48,744 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,893 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,482 |
| Ancient Greek Words | 0 | - | 4.93 | 111,387 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,168 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,020 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,238 |
| British to American Food Translation | 0 | - | 3.38 | 51,947 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,093 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,620 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,731 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,491 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,081 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,635 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,367 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,830 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,309 |
