| Sweden Immigration by Country | 0 | - | 4.55 | 56,010 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,536 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,898 |
| Departments of France | 0 | - | 4.93 | 53,689 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,510 |
| England or Wales? | 0 | - | 4.94 | 45,583 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,970 |
| Official European Union Languages | 0 | - | 4.97 | 238,031 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,564 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,322 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,700 |
| The Trojan War | 0 | - | 4.83 | 39,631 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,478 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,391 |
| Roman Emperors | 0 | - | 4.95 | 119,603 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,860 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,739 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,210 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,884 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 170,339 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,277 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,859 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,666 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,522 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,414 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 353,931 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,352 |
| Celtic Nations | 0 | - | 4.69 | 46,902 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,894 |
| Champions League Winners | 0 | - | 4.92 | 1,003,269 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,844 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 77,796 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,636 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,146 |
| Countries Bordering France | 0 | - | 4.83 | 401,747 |
| States of Germany | 0 | - | 4.96 | 151,748 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,838 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,500 |
| Regions of Italy | 0 | - | 4.92 | 75,491 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,725 |
| The Vikings! | 0 | - | 4.46 | 28,314 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,573 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,949 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,542 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,654 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,377 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,454 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,192 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,554 |
| Austria... or Australia? | 0 | - | 4.68 | 104,211 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,359 |
| Germany Country Quiz | 0 | - | 4.82 | 157,505 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,825 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,922 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,868 |
| Italy Country Quiz | 0 | - | 4.82 | 123,140 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,043 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,752 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,233 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,628 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,313 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,659 |
| UK Immigration by Country | 0 | - | 4.94 | 140,605 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,334 |
| British Monopoly Board | 0 | - | 4.52 | 41,133 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,153 |
| Name the English Monarchs | 0 | - | 4.91 | 501,211 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,654 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,545 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,640 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,465 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,283 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,314 |
| Slavic Languages | 0 | - | 4.68 | 54,247 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,606 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,613 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,159 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,437 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,038 |
| France A-Z | 0 | - | 4.16 | 38,160 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,773 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,068 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,021 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,061 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,952 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,880 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,849 |
| Name that Greek Letter | 0 | - | 4.93 | 323,002 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,424 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,596 |
| Counties of Ireland | 0 | - | 4.92 | 194,490 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,568 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,733 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,284 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,644 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,681 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,841 |
| Roman Names for Places | 0 | - | 4.62 | 58,155 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,344 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,111 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,410 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,574 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,539 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,762 |
| Switzerland A-Z | 0 | - | 4.45 | 25,613 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,626 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,993 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,859 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,003 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,843 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,118 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,197 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,652 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,812 |
| History of Russia Quiz | 0 | - | 4.49 | 31,875 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,684 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,181 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,888 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,110 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,379 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,435 |
| Famous Irish People | 0 | - | 4.05 | 45,970 |
| History of Italy | 0 | - | 4.55 | 31,928 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,612 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,604 |
| Famous Nordic People | 0 | - | 4.34 | 20,053 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,752 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,368 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,154 |
| Geography of Spain | 0 | - | 4.59 | 22,042 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,997 |
| British Geography A-Z | 0 | - | 4.42 | 19,487 |
| Imagine Lyrics | 0 | - | 4.53 | 43,200 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,836 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,630 |
| London A-Z | 0 | - | 4.10 | 40,739 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,785 |
| European Geography By Letter - A | 0 | - | 4.51 | 144,283 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 112,464 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,223 |
| European Geography By Letter - D | 0 | - | 4.50 | 107,973 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,054 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,028 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,160 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,493 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,185 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,747 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,060 |
| Europe Map Quiz | 0 | - | 5.00 | 4,753,764 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,191 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,850 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,136 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,165 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,296 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,346 |
| Capitals of French Regions | 0 | - | 4.45 | 16,032 |
| Regions of France | 0 | - | 4.75 | 120,334 |
| France Immigration by Country | 0 | - | 4.70 | 76,370 |
| Kings of France Quiz | 0 | - | 4.20 | 32,673 |
| Famous Germans | 0 | - | 4.50 | 55,119 |
| German Groups of Things | 0 | - | 4.46 | 38,424 |
| Capitals of German States | 0 | - | 4.74 | 28,919 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,270 |
| Germany True or False? | 0 | - | 4.61 | 48,727 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,843 |
| The Life of Alexander the Great | 0 | - | 4.50 | 18,474 |
| Ancient Greek Words | 0 | - | 4.93 | 111,294 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,218 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,159 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,976 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,195 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,226 |
| British to American Food Translation | 0 | - | 3.38 | 51,938 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,033 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,399 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,571 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,569 |
| Beatles Lyrics First Names | 0 | - | 4.38 | 34,610 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 40,573 |
| Elton John Quiz | 0 | - | 4.48 | 18,451 |
| Famous Scottish People | 0 | - | 4.22 | 18,386 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,559 |
| Africa Map Quiz | 0 | - | 5.00 | 2,113,996 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,154 |
| Australian Capitals | 0 | - | 4.92 | 62,689 |
| European Physical Geography | 0 | - | 4.26 | 33,454 |
| Geography of Russia | 0 | - | 4.57 | 21,503 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,898 |
| History of Austria | 0 | - | 4.70 | 17,831 |
| Austria Country Quiz | 0 | - | 4.57 | 59,611 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,623 |
| France Country Quiz | 0 | - | 4.70 | 134,695 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,095 |
| Geography of the French Empire | 0 | - | 4.45 | 27,018 |
| The French Revolution | 0 | - | 4.46 | 23,894 |
| France Multiple Choice | 0 | - | 4.38 | 40,698 |
| Tour de France Winners | 0 | - | 4.27 | 15,330 |
| History of France | 0 | - | 4.59 | 56,783 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,455 |
| Greece Country Quiz | 0 | - | 4.74 | 66,101 |
