| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.90 | 79,533 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 456,642 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 31,700 |
| Category Elimination - European Geography #3 | 0 | - | 4.84 | 65,458 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,556 |
| England or Wales? | 0 | - | 4.93 | 40,171 |
| United Kingdom A-Z | 0 | - | 4.53 | 80,809 |
| Official European Union Languages | 0 | - | 4.98 | 200,033 |
| European Countries in their Native Language | 0 | - | 4.99 | 143,745 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 385,478 |
| Famous Irish People | 0 | - | 4.01 | 44,442 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 71,626 |
| Roman Emperors | 0 | - | 4.95 | 95,688 |
| Pre-Euro Currencies | 0 | - | 4.42 | 49,371 |
| The Trojan War | 0 | - | 4.81 | 35,893 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.81 | 85,181 |
| Geography of the Dutch Empire | 0 | - | 4.71 | 32,415 |
| History of The Netherlands | 0 | - | 4.42 | 15,739 |
| Countries that Beat Switzerland | 0 | - | 4.85 | 37,542 |
| Famous Scottish People | 0 | - | 4.19 | 17,502 |
| Europe Geography Decoder | 0 | - | 4.89 | 63,170 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,018 |
| French Geography Quiz #1 | 0 | - | 4.86 | 31,011 |
| Famous Germans | 0 | - | 4.39 | 35,171 |
| Famous Italians | 0 | - | 4.40 | 66,101 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 284,718 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 115,321 |
| Germany Multiple Choice | 0 | - | 4.81 | 49,264 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 20,828 |
| Provinces of the Netherlands | 0 | - | 4.61 | 33,227 |
| UK Cities Map Quiz | 0 | - | 4.94 | 432,819 |
| London A-Z | 0 | - | 4.19 | 38,462 |
| Champions League Winners | 0 | - | 4.91 | 850,434 |
| Celtic Nations | 0 | - | 4.76 | 44,623 |
| European Geography By Letter - A | 0 | - | 4.51 | 124,287 |
| European Geography By Letter - B #1 | 0 | - | 4.72 | 103,466 |
| European Geography By Letter - C | 0 | - | 4.43 | 104,842 |
| European Geography By Letter - D | 0 | - | 4.52 | 99,444 |
| European Geography By Letter - L | 0 | - | 4.51 | 104,845 |
| European Geography By Letter - M | 0 | - | 4.55 | 114,341 |
| European Geography By Letter - P | 0 | - | 4.79 | 89,452 |
| European Geography By Letter - N | 0 | - | 4.43 | 93,354 |
| European Geography By Letter - V | 0 | - | 4.45 | 86,386 |
| European Geography By Letter - S #1 | 0 | - | 4.57 | 93,839 |
| European Geography By Letter - B #2 | 0 | - | 4.72 | 61,962 |
| Ancient Greece A-Z | 0 | - | 4.64 | 20,697 |
| Netherlands Country Quiz | 0 | - | 4.53 | 72,825 |
| Sweden Immigration by Country | 0 | - | 4.66 | 42,218 |
| Famous Spaniards Quiz | 0 | - | 4.19 | 10,923 |
| Regions of Spain Quiz | 0 | - | 4.85 | 94,641 |
| Cantons of Switzerland | 0 | - | 4.96 | 40,147 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 268,913 |
| Asian Geography By Letter - B | 0 | - | 4.82 | 61,032 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 221,883 |
| Catholic Countries in Europe | 0 | - | 4.87 | 83,524 |
| Famous Russians Quiz | 0 | - | 4.15 | 22,618 |
| Federal Subjects of Russia | 0 | - | 4.95 | 112,041 |
| Belgium Country Quiz | 0 | - | 4.66 | 64,448 |
| Famous French People | 0 | - | 4.15 | 24,119 |
| Countries Bordering France | 0 | - | 4.87 | 356,934 |
| States of Germany | 0 | - | 4.94 | 123,237 |
| Germany Immigration by Country | 0 | - | 4.90 | 69,566 |
| Countries Bordering Germany | 0 | - | 4.99 | 340,239 |
| States of the German Confederation in 1848 | 0 | - | 4.83 | 26,419 |
| Counties of Ireland | 0 | - | 4.89 | 158,895 |
| Regions of Italy | 0 | - | 4.88 | 60,222 |
| Spain Cities Map Quiz | 0 | - | 4.86 | 86,107 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 169,031 |
| Biggest Spanish Empire Countries | 0 | - | 4.90 | 93,174 |
| Switzerland A-Z | 0 | - | 4.40 | 18,427 |
| UK Immigration by Country | 0 | - | 4.95 | 124,971 |
| United Kingdom Country Quiz | 0 | - | 4.94 | 118,425 |
| British Monopoly Board | 0 | - | 4.51 | 39,215 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 99,734 |
| English Monarchs Quiz | 0 | - | 4.91 | 446,198 |
| All Champions League Teams Ever | 0 | - | 4.89 | 104,142 |
| Count to 10 in Europe: Pro | 0 | - | 4.80 | 60,856 |
| European Geography By Letter - E | 0 | - | 4.20 | 105,338 |
| European Geography By Letter - F | 0 | - | 4.15 | 85,198 |
| European Geography By Letter - H | 0 | - | 4.29 | 88,554 |
| European Geography By Letter - G | 0 | - | 4.24 | 95,010 |
| European Geography By Letter - I | 0 | - | 4.09 | 88,711 |
| European Geography By Letter - K | 0 | - | 4.16 | 64,426 |
| European Geography By Letter - O | 0 | - | 4.27 | 57,691 |
| European Geography By Letter - R | 0 | - | 4.39 | 87,471 |
| European Geography by Letter - W | 0 | - | 4.21 | 78,213 |
| European Geography By Letter - T | 0 | - | 4.39 | 70,835 |
| European Geography By Letter - S #2 | 0 | - | 4.16 | 46,694 |
| European Geography A-Z | 0 | - | 4.40 | 45,332 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.71 | 53,758 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 200,281 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 246,442 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 142,457 |
| Famous Swiss and Austrian People | 0 | - | 4.36 | 13,649 |
| Austria... or Australia? | 0 | - | 4.79 | 97,882 |
| France Cities Map Quiz | 0 | - | 4.95 | 147,736 |
| France A-Z | 0 | - | 4.16 | 25,681 |
| Germany Country Quiz | 0 | - | 4.82 | 139,906 |
| Germany Cities Map Quiz | 0 | - | 4.84 | 105,803 |
| Ancient Greek Trivia | 0 | - | 4.55 | 63,341 |
| Italy Country Quiz | 0 | - | 4.81 | 108,720 |
| Regions of Italy Map Quiz | 0 | - | 4.95 | 133,466 |
| Italy Cities Map Quiz | 0 | - | 4.96 | 127,153 |
| Countries Italy Declared War On | 0 | - | 4.79 | 39,897 |
| The Mafia Quiz | 0 | - | 4.47 | 21,563 |
| Ancient Roman Trivia #2 | 0 | - | 4.55 | 35,360 |
| Geography of the Roman Empire | 0 | - | 4.55 | 48,460 |
| Roman Names for Places | 0 | - | 4.66 | 41,429 |
| Greenland Country Quiz | 0 | - | 4.82 | 32,287 |
| Spanish Immigration by Country | 0 | - | 4.63 | 51,793 |
| Most Common First Names in Spain | 0 | - | 4.25 | 43,586 |
| Countries Closest to Spain | 0 | - | 4.95 | 205,593 |
| Most Common Surnames in the UK | 0 | - | 4.18 | 65,712 |
| Countries that Visit the UK the Most | 0 | - | 4.85 | 62,403 |
| Counties of the UK and Ireland | 0 | - | 4.97 | 103,658 |
| Wonderwall Lyrics | 0 | - | 4.22 | 68,703 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 221,786 |
| World Capitals Closest to London | 0 | - | 4.90 | 93,290 |
| 50 Busiest Air Routes from London | 0 | - | 4.89 | 85,829 |
| Famous Australians | 0 | - | 4.21 | 19,320 |
| Word Scramble - European Countries | 0 | - | 4.72 | 113,711 |
| Top 20 Football Clubs in Europe | 0 | - | 4.49 | 85,105 |
| Name a Major European City A-Z | 0 | - | 4.34 | 42,802 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.93 | 56,201 |
| Slavic Languages | 0 | - | 4.58 | 48,667 |
| Andorra Country Quiz | 0 | - | 4.87 | 27,817 |
| Countries Bordering Austria | 0 | - | 4.97 | 109,909 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 88,441 |
| Countries that Visit France the Most | 0 | - | 4.84 | 39,834 |
| Countries Closest to Metropolitan France | 0 | - | 4.87 | 66,204 |
| Countries With the Most German Speakers | 0 | - | 4.88 | 51,919 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 583,521 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.55 | 55,703 |
| Ancient Greece - Multiple Choice | 0 | - | 4.53 | 38,607 |
| Iceland... or Ireland? | 0 | - | 4.72 | 53,981 |
| Countries Bordering Italy | 0 | - | 4.92 | 78,737 |
| Countries Closest to Italy | 0 | - | 4.97 | 178,714 |
| Famous Nordic People | 0 | - | 4.40 | 10,671 |
| Most Common Last Names in Sweden | 0 | - | 4.41 | 14,072 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 74,499 |
| Geography of Spain | 0 | - | 4.52 | 20,323 |
| The British Royal Family - Modern Times | 0 | - | 4.12 | 20,613 |
| Members of the British Royal Family | 0 | - | 4.11 | 109,214 |
| People on Money - England | 0 | - | 4.33 | 15,931 |
| Sherlock Holmes Quiz | 0 | - | 4.48 | 20,744 |
| Famous Chinese People | 0 | - | 4.06 | 11,012 |
| Africa A-Z | 0 | - | 4.54 | 43,681 |
| Top European Languages on a Map | 0 | - | 4.76 | 117,934 |
| Russia Multiple Choice | 0 | - | 4.55 | 38,054 |
| The Reign of Napoleon | 0 | - | 4.53 | 36,063 |
| Olympian Gods Quiz | 0 | - | 4.96 | 456,829 |
| Geography of Ancient Greece | 0 | - | 4.77 | 29,986 |
| Name that Greek Letter | 0 | - | 4.94 | 295,637 |
| Italy Multiple Choice | 0 | - | 4.74 | 93,658 |
| Seven Hills of Rome | 0 | - | 4.68 | 8,530 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 48,550 |
| 100 Greatest Britons Quiz | 0 | - | 4.44 | 46,001 |
| British to American Food Translation. | 0 | - | 3.47 | 50,433 |
| British Acronyms | 0 | - | 4.42 | 43,327 |
| Fictional Characters from Great Britain | 0 | - | 4.10 | 31,210 |
| Foods in a Full English Breakfast | 0 | - | 4.41 | 73,293 |
| Beatles Songs Quiz | 0 | - | 4.95 | 205,623 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 273,412 |
| Asian Geography By Letter - A | 0 | - | 4.66 | 66,144 |
| Asian Geography by Letter - H | 0 | - | 4.47 | 60,833 |
| Asian Geography By Letter - M | 0 | - | 4.46 | 57,066 |
| Asian Geography by Letter - P | 0 | - | 4.42 | 45,317 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 45,319 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 254,934 |
| Asian Geography By Letter - L | 0 | - | 4.45 | 38,108 |
| Middle East A-Z | 0 | - | 4.45 | 43,022 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 244,429 |
| The Americas Geography by Letter - B | 0 | - | 4.50 | 48,847 |
| The Americas Geography by Letter - S | 0 | - | 4.56 | 41,520 |
| Major non-NATO U.S. Allies | 0 | - | 4.43 | 33,370 |
| Europe Map Quiz | 0 | - | 5.00 | 4,284,583 |
| Europe Geography Quiz #1 | 0 | - | 4.53 | 67,022 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 67,482 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 66,163 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 57,834 |
| Regions of France | 0 | - | 4.63 | 100,177 |
| France Immigration by Country | 0 | - | 4.80 | 68,835 |
| German Groups of Things | 0 | - | 4.43 | 35,930 |
| Capitals of German States | 0 | - | 4.67 | 27,103 |
| Chancellors of Germany, 1949–present | 0 | - | 4.53 | 15,245 |
| Germany True or False? | 0 | - | 4.63 | 44,392 |
| Largest Islands of Greece | 0 | - | 4.57 | 39,566 |
| The Life of Alexander the Great | 0 | - | 4.51 | 17,440 |
| Ancient Greek Words | 0 | - | 4.90 | 97,209 |
| Capitals of Italian Regions | 0 | - | 4.52 | 26,089 |
| 100 Most Common English Words | 0 | - | 4.90 | 1,167,294 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 398,743 |
| Monaco Country Quiz | 0 | - | 4.45 | 37,491 |
| Nordic Cities Map Quiz | 0 | - | 4.72 | 85,103 |
| The Vikings! | 0 | - | 4.44 | 27,097 |
| Portugal Country Quiz | 0 | - | 4.66 | 64,745 |
| The Portuguese Empire | 0 | - | 4.54 | 11,330 |
| Spain Country Quiz | 0 | - | 4.44 | 114,727 |
| Spanish History A-Z | 0 | - | 4.30 | 11,275 |
| Switzerland Country Quiz | 0 | - | 4.54 | 57,041 |
