| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 87,985 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,302 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,697 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,508 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,917 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,769 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,479 |
| Famous Germans | 0 | - | 4.50 | 55,771 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,329 |
| Departments of France | 0 | - | 4.93 | 55,075 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,727 |
| England or Wales? | 0 | - | 4.94 | 45,946 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,681 |
| Official European Union Languages | 0 | - | 4.97 | 239,694 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,582 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,682 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,067 |
| Famous Irish People | 0 | - | 4.05 | 46,062 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,343 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,738 |
| The Trojan War | 0 | - | 4.83 | 39,967 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,882 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,562 |
| Roman Emperors | 0 | - | 4.95 | 121,105 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,287 |
| Famous French People | 0 | - | 4.07 | 36,079 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,810 |
| History of The Netherlands | 0 | - | 4.46 | 17,547 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,042 |
| Famous Scottish People | 0 | - | 4.22 | 18,438 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,603 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,530 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,668 |
| France A-Z | 0 | - | 4.16 | 38,327 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,674 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,417 |
| Switzerland A-Z | 0 | - | 4.45 | 25,759 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,280 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,497 |
| Celtic Nations | 0 | - | 4.61 | 47,086 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,951 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,248 |
| European Geography By Letter - C | 0 | - | 4.43 | 123,565 |
| European Geography By Letter - D | 0 | - | 4.50 | 111,905 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,841 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,261 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,957 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,452 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,713 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,407 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,283 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,232 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,713 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,315 |
| London A-Z | 0 | - | 4.10 | 40,874 |
| Champions League Winners | 0 | - | 4.92 | 1,015,437 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,772 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,721 |
| Famous Russians | 0 | - | 4.16 | 23,906 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,348 |
| Belgium Country Quiz | 0 | - | 4.72 | 72,221 |
| Countries Bordering France | 0 | - | 4.83 | 404,747 |
| States of Germany | 0 | - | 4.95 | 154,351 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,657 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,699 |
| Regions of Italy | 0 | - | 4.92 | 76,972 |
| Netherlands Country Quiz | 0 | - | 4.52 | 80,914 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,366 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,644 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,243 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,718 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,834 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,943 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,912 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,224 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,005 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,722 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,395 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,024 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,433 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,475 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,766 |
| European Geography A-Z | 0 | - | 4.29 | 49,472 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,737 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,658 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,793 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,781 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,916 |
| Austria... or Australia? | 0 | - | 4.68 | 104,745 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,737 |
| Germany Country Quiz | 0 | - | 4.82 | 158,774 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,034 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,216 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,035 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,161 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,988 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,623 |
| The Mafia Quiz | 0 | - | 4.46 | 23,433 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,425 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,799 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,774 |
| UK Immigration by Country | 0 | - | 4.94 | 141,644 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,909 |
| British Monopoly Board | 0 | - | 4.52 | 41,256 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,677 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,095 |
| Name the English Monarchs | 0 | - | 4.91 | 506,129 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,998 |
| Famous Australians by Description | 0 | - | 4.23 | 28,135 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,718 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,277 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 120,918 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,829 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,900 |
| Slavic Languages | 0 | - | 4.68 | 54,676 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,915 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,625 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,132 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,448 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,673 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,260 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,490 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,527 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,570 |
| Name that Greek Letter | 0 | - | 4.93 | 324,894 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,261 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,827 |
| Counties of Ireland | 0 | - | 4.92 | 197,198 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,727 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,226 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,136 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,312 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,257 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,195 |
| Roman Names for Places | 0 | - | 4.62 | 58,677 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,843 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,614 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,211 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,038 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,319 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,956 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,085 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,795 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,279 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,069 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,222 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,036 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,270 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,791 |
| History of Russia Quiz | 0 | - | 4.47 | 31,999 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,864 |
| Russian History A-Z | 0 | - | 4.35 | 32,185 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,333 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,126 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,562 |
| History of Italy | 0 | - | 4.55 | 32,140 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,317 |
| Famous Nordic People | 0 | - | 4.34 | 20,291 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,476 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,414 |
| Geography of Spain | 0 | - | 4.59 | 22,174 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,573 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,474 |
| People on Money - England | 0 | - | 4.29 | 16,643 |
| British Geography A-Z | 0 | - | 4.42 | 19,603 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,721 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 42,962 |
| Famous Chinese People | 0 | - | 4.09 | 11,924 |
| Africa A-Z | 0 | - | 4.57 | 46,760 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,503 |
| Europe Map Quiz | 0 | - | 5.00 | 4,785,999 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,503 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,160 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,442 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,412 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,516 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,713 |
| Capitals of French Regions | 0 | - | 4.45 | 16,173 |
| Regions of France | 0 | - | 4.70 | 121,992 |
| France Immigration by Country | 0 | - | 4.70 | 76,903 |
| Kings of France Quiz | 0 | - | 4.20 | 32,909 |
| German Groups of Things | 0 | - | 4.47 | 38,623 |
| Capitals of German States | 0 | - | 4.74 | 29,064 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,530 |
| Germany True or False? | 0 | - | 4.61 | 49,008 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,437 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,570 |
| Ancient Greek Words | 0 | - | 4.93 | 112,405 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,256 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,487 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,398 |
| British to American Food Translation | 0 | - | 3.38 | 52,032 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,769 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,802 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,208 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,735 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,417 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,028 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,626 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,164 |
