| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,892 |
| Official European Union Languages | 0 | - | 4.97 | 237,806 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,413 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,940 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,067 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,345 |
| Departments of France | 0 | - | 4.93 | 53,453 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,468 |
| England or Wales? | 0 | - | 4.94 | 45,518 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,814 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,667 |
| Slavic Languages | 0 | - | 4.68 | 54,196 |
| The Trojan War | 0 | - | 4.83 | 39,595 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,291 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,330 |
| Roman Emperors | 0 | - | 4.95 | 119,420 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,787 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,675 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,693 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,344 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,583 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,931 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,150 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,535 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,796 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,217 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 31,802 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 353,038 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,107 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,380 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,332 |
| Celtic Nations | 0 | - | 4.69 | 46,881 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,574 |
| Champions League Winners | 0 | - | 4.92 | 1,001,668 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,658 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,672 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,742 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,451 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,652 |
| Countries Bordering France | 0 | - | 4.83 | 401,379 |
| States of Germany | 0 | - | 4.96 | 151,324 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,677 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,189 |
| Regions of Italy | 0 | - | 4.92 | 75,309 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 50,866 |
| The Vikings! | 0 | - | 4.46 | 28,300 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,327 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,796 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,827 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,472 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,631 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,326 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,078 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,866 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,265 |
| Austria... or Australia? | 0 | - | 4.68 | 104,147 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,151 |
| Germany Country Quiz | 0 | - | 4.82 | 157,304 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,685 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,885 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,852 |
| Italy Country Quiz | 0 | - | 4.82 | 122,788 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,920 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,604 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,177 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,514 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,144 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,522 |
| UK Immigration by Country | 0 | - | 4.94 | 140,465 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,096 |
| British Monopoly Board | 0 | - | 4.52 | 41,108 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,978 |
| Name the English Monarchs | 0 | - | 4.92 | 500,530 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,407 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,521 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,635 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,353 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,007 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,195 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,557 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,594 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,073 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,293 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,006 |
| France A-Z | 0 | - | 4.16 | 38,121 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,730 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,025 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,929 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,913 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,626 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,801 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,114 |
| Name that Greek Letter | 0 | - | 4.93 | 322,748 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,318 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,561 |
| Counties of Ireland | 0 | - | 4.92 | 194,202 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,537 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,668 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,193 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,451 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,652 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,814 |
| Roman Names for Places | 0 | - | 4.62 | 58,093 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,239 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,002 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,381 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,547 |
| Languages of Spain | 0 | - | 4.36 | 23,252 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,343 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,702 |
| Switzerland A-Z | 0 | - | 4.45 | 25,590 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,597 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,978 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,740 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,704 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,621 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,969 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,110 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,536 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 218,506 |
| History of Russia Quiz | 0 | - | 4.49 | 31,859 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,663 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,167 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,850 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,094 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,782 |
| Famous Irish People | 0 | - | 4.05 | 45,917 |
| History of Italy | 0 | - | 4.55 | 31,911 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,524 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,586 |
| Famous Nordic People | 0 | - | 4.34 | 20,005 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,732 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,350 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,115 |
| Geography of Spain | 0 | - | 4.59 | 22,023 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,946 |
| British Geography A-Z | 0 | - | 4.41 | 19,476 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,609 |
| London A-Z | 0 | - | 4.10 | 40,717 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,504 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,541 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,734 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,164 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,137 |
| European Geography By Letter - D | 0 | - | 4.50 | 107,025 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,484 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,388 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,060 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,836 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,467 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,655 |
| Europe Map Quiz | 0 | - | 5.00 | 4,748,833 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,159 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,811 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,095 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,136 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,824 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,287 |
| Capitals of French Regions | 0 | - | 4.45 | 16,025 |
| Regions of France | 0 | - | 4.77 | 120,105 |
| France Immigration by Country | 0 | - | 4.72 | 76,276 |
| Kings of France Quiz | 0 | - | 4.20 | 32,639 |
| Famous Germans | 0 | - | 4.50 | 54,879 |
| German Groups of Things | 0 | - | 4.46 | 38,399 |
| Capitals of German States | 0 | - | 4.74 | 28,901 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,230 |
| Germany True or False? | 0 | - | 4.61 | 48,677 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,770 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,460 |
| Ancient Greek Words | 0 | - | 4.93 | 111,185 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,964 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,147 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,879 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,112 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,168 |
| British to American Food Translation | 0 | - | 3.38 | 51,915 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,924 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,484 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,220 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,243 |
| Famous Scottish People | 0 | - | 4.22 | 18,366 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,342 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,111 |
| Top World Languages | 0 | - | 4.92 | 818,240 |
| Africa Map Quiz | 0 | - | 5.00 | 2,111,864 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,124 |
| Oceania Map Quiz | 0 | - | 4.98 | 639,151 |
| Australian Capitals | 0 | - | 4.92 | 62,671 |
| European Physical Geography | 0 | - | 4.26 | 33,439 |
| Geography of Russia | 0 | - | 4.57 | 21,495 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,876 |
| History of Austria | 0 | - | 4.70 | 17,815 |
| Austria Country Quiz | 0 | - | 4.57 | 59,558 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,530 |
| France Country Quiz | 0 | - | 4.70 | 134,573 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,059 |
| Geography of the French Empire | 0 | - | 4.45 | 27,008 |
| The French Revolution | 0 | - | 4.46 | 23,877 |
| France Multiple Choice | 0 | - | 4.38 | 40,687 |
| Tour de France Winners | 0 | - | 4.27 | 15,304 |
