| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,129 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,012 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,088 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,063 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,160 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,415 |
| Departments of France | 0 | - | 4.93 | 55,385 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,777 |
| England or Wales? | 0 | - | 4.94 | 46,018 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,240 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,439 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,437 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,778 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,853 |
| Official European Union Languages | 0 | - | 4.97 | 240,358 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,807 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,378 |
| The Trojan War | 0 | - | 4.83 | 40,055 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,167 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,686 |
| Roman Emperors | 0 | - | 4.95 | 121,413 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,378 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,099 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,679 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,159 |
| France A-Z | 0 | - | 4.16 | 38,360 |
| Switzerland A-Z | 0 | - | 4.45 | 25,786 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,572 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,342 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,742 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,250 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,711 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,266 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,776 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,277 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,885 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,164 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,781 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,560 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,165 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,477 |
| Famous Germans | 0 | - | 4.50 | 55,866 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,746 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,509 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,258 |
| Famous Irish People | 0 | - | 4.05 | 46,078 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,531 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,822 |
| London A-Z | 0 | - | 4.10 | 40,903 |
| Champions League Winners | 0 | - | 4.92 | 1,017,844 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,534 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,960 |
| Celtic Nations | 0 | - | 4.61 | 47,125 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,894 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,907 |
| Countries Bordering France | 0 | - | 4.83 | 405,321 |
| States of Germany | 0 | - | 4.95 | 154,914 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,799 |
| Countries Bordering Germany | 0 | - | 4.99 | 372,217 |
| Regions of Italy | 0 | - | 4.92 | 77,249 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,909 |
| Famous Nordic People | 0 | - | 4.34 | 20,336 |
| The Vikings! | 0 | - | 4.46 | 28,419 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,569 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,893 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,861 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,106 |
| European Geography By Letter - E | 0 | - | 4.23 | 115,394 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,645 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,339 |
| European Geography By Letter - G | 0 | - | 4.27 | 104,113 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,694 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,338 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,720 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,689 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,990 |
| European Geography A-Z | 0 | - | 4.29 | 49,519 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,816 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,045 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,300 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,291 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,233 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,985 |
| Austria... or Australia? | 0 | - | 4.67 | 104,834 |
| Countries Bordering Austria | 0 | - | 4.97 | 119,037 |
| Famous French People | 0 | - | 4.05 | 36,156 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,986 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,209 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,557 |
| Germany Country Quiz | 0 | - | 4.82 | 159,038 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,226 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 99,087 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,278 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,069 |
| Counties of Ireland | 0 | - | 4.92 | 197,651 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,411 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,209 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,357 |
| Countries Italy Declared War On | 0 | - | 4.74 | 48,080 |
| The Mafia Quiz | 0 | - | 4.46 | 23,451 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,632 |
| History of The Netherlands | 0 | - | 4.46 | 17,571 |
| Denmark Country Quiz | 0 | - | 4.78 | 76,327 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,614 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 187,019 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,101 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,363 |
| UK Immigration by Country | 0 | - | 4.94 | 141,887 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,248 |
| British Monopoly Board | 0 | - | 4.52 | 41,293 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,023 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 75,992 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,208 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,624 |
| Name the English Monarchs | 0 | - | 4.91 | 507,305 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,203 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,401 |
| Famous Scottish People | 0 | - | 4.22 | 18,443 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,451 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,740 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,435 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 123,922 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,914 |
| Slavic Languages | 0 | - | 4.67 | 54,777 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,973 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,794 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,481 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,857 |
| Name that Greek Letter | 0 | - | 4.93 | 325,245 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,440 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,889 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,758 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,275 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,378 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,261 |
| Roman Names for Places | 0 | - | 4.62 | 58,780 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,554 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,868 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,282 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,988 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,665 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,365 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,432 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 70,019 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,106 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,148 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,589 |
| Top European Languages on a Map | 0 | - | 4.77 | 133,000 |
| Famous Russians | 0 | - | 4.16 | 23,925 |
| History of Russia Quiz | 0 | - | 4.47 | 32,025 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,900 |
| Russian History A-Z | 0 | - | 4.35 | 32,293 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,439 |
| Kings of France Quiz | 0 | - | 4.22 | 32,967 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,212 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,367 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,594 |
| Ancient Greek Words | 0 | - | 4.93 | 112,642 |
| History of Italy | 0 | - | 4.55 | 32,183 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,514 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,277 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,848 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,501 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,649 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,465 |
| Geography of Spain | 0 | - | 4.59 | 22,257 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,584 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,533 |
| People on Money - England | 0 | - | 4.29 | 17,900 |
| British Geography A-Z | 0 | - | 4.42 | 19,629 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,682 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,978 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,736 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 43,081 |
| Africa A-Z | 0 | - | 4.57 | 46,797 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,592 |
| Europe Map Quiz | 0 | - | 5.00 | 4,792,947 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,568 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,239 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,509 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,464 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,612 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,789 |
| Capitals of French Regions | 0 | - | 4.45 | 16,196 |
| Regions of France | 0 | - | 4.70 | 122,390 |
| France Immigration by Country | 0 | - | 4.70 | 77,004 |
| German Groups of Things | 0 | - | 4.47 | 38,668 |
| Capitals of German States | 0 | - | 4.74 | 29,093 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,579 |
| Germany True or False? | 0 | - | 4.61 | 49,062 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,567 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,366 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,611 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,931 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,445 |
| British to American Food Translation | 0 | - | 3.38 | 52,061 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,942 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,845 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,525 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,138 |
