| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,302 |
| Official European Union Languages | 0 | - | 4.97 | 238,848 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,088 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,203 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,399 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,411 |
| Departments of France | 0 | - | 4.93 | 54,407 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,603 |
| England or Wales? | 0 | - | 4.94 | 45,783 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,882 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,845 |
| Slavic Languages | 0 | - | 4.68 | 54,454 |
| The Trojan War | 0 | - | 4.83 | 39,787 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,168 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,636 |
| Roman Emperors | 0 | - | 4.95 | 120,332 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,087 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,299 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,897 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,398 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,799 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,285 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,509 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,134 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,740 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,447 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,166 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 357,887 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,618 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,581 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,419 |
| Celtic Nations | 0 | - | 4.69 | 46,985 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,042 |
| Champions League Winners | 0 | - | 4.91 | 1,009,425 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,350 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 84,134 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,239 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,917 |
| Countries Bordering France | 0 | - | 4.83 | 403,423 |
| States of Germany | 0 | - | 4.95 | 153,083 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,243 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,520 |
| Regions of Italy | 0 | - | 4.92 | 76,183 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,385 |
| The Vikings! | 0 | - | 4.46 | 28,367 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,315 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,377 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,940 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,136 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,740 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,563 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,813 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,293 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,545 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,756 |
| Austria... or Australia? | 0 | - | 4.68 | 104,482 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,078 |
| Germany Country Quiz | 0 | - | 4.83 | 158,131 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,575 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,064 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,945 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,616 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,272 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,402 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,085 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,105 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,224 |
| UK Immigration by Country | 0 | - | 4.94 | 141,118 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,117 |
| British Monopoly Board | 0 | - | 4.52 | 41,190 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,932 |
| Name the English Monarchs | 0 | - | 4.91 | 503,732 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,921 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,636 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,670 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,844 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,516 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,592 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,640 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,629 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,043 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,084 |
| France A-Z | 0 | - | 4.16 | 38,259 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,953 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,266 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,344 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,691 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,248 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,169 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,640 |
| Name that Greek Letter | 0 | - | 4.93 | 324,108 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,848 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,701 |
| Counties of Ireland | 0 | - | 4.92 | 195,923 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,654 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,003 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,627 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,292 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,782 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,986 |
| Roman Names for Places | 0 | - | 4.62 | 58,387 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,715 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,482 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,510 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,645 |
| Languages of Spain | 0 | - | 4.36 | 23,347 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,308 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,047 |
| Switzerland A-Z | 0 | - | 4.45 | 25,680 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,752 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,039 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,331 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,194 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,849 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,644 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,779 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,973 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,666 |
| History of Russia Quiz | 0 | - | 4.47 | 31,945 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,769 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,256 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,017 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,168 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,712 |
| Famous Irish People | 0 | - | 4.05 | 46,019 |
| History of Italy | 0 | - | 4.55 | 32,044 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,926 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,714 |
| Famous Nordic People | 0 | - | 4.34 | 20,160 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,798 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,430 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,291 |
| Geography of Spain | 0 | - | 4.59 | 22,101 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,336 |
| British Geography A-Z | 0 | - | 4.42 | 19,552 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,687 |
| London A-Z | 0 | - | 4.10 | 40,810 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,576 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,538 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,766 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 120,179 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,525 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,109 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,846 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,121 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,807 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,092 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,904 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,193 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,714 |
| Europe Map Quiz | 0 | - | 5.00 | 4,769,595 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,342 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,999 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,289 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,285 |
| European Geography By Letter - S #1 | 0 | - | 4.62 | 100,795 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,535 |
| Capitals of French Regions | 0 | - | 4.45 | 16,100 |
| Regions of France | 0 | - | 4.72 | 121,156 |
| France Immigration by Country | 0 | - | 4.70 | 76,659 |
| Kings of France Quiz | 0 | - | 4.20 | 32,805 |
| Famous Germans | 0 | - | 4.50 | 55,499 |
| German Groups of Things | 0 | - | 4.46 | 38,512 |
| Capitals of German States | 0 | - | 4.74 | 28,983 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,391 |
| Germany True or False? | 0 | - | 4.61 | 48,872 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,129 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,518 |
| Ancient Greek Words | 0 | - | 4.93 | 111,857 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,729 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,202 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,258 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,476 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,331 |
| British to American Food Translation | 0 | - | 3.38 | 51,979 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,409 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,709 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,866 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,023 |
| Famous Scottish People | 0 | - | 4.22 | 18,410 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,565 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,463 |
| Top World Languages | 0 | - | 4.92 | 824,056 |
| Africa Map Quiz | 0 | - | 5.00 | 2,121,179 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,171 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,604 |
| Australian Capitals | 0 | - | 4.92 | 62,746 |
| European Physical Geography | 0 | - | 4.26 | 33,538 |
| Geography of Russia | 0 | - | 4.57 | 21,552 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,002 |
| History of Austria | 0 | - | 4.70 | 17,900 |
| Austria Country Quiz | 0 | - | 4.57 | 59,824 |
| Belgium Country Quiz | 0 | - | 4.72 | 71,917 |
| France Country Quiz | 0 | - | 4.70 | 135,146 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,221 |
| Geography of the French Empire | 0 | - | 4.45 | 27,151 |
| The French Revolution | 0 | - | 4.47 | 24,053 |
| France Multiple Choice | 0 | - | 4.39 | 40,767 |
| Tour de France Winners | 0 | - | 4.27 | 15,411 |
| History of France | 0 | - | 4.59 | 57,240 |
