| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,839 |
| Official European Union Languages | 0 | - | 4.97 | 240,279 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,789 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,435 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,975 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,335 |
| Departments of France | 0 | - | 4.93 | 55,368 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,774 |
| England or Wales? | 0 | - | 4.94 | 46,012 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,342 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,210 |
| Slavic Languages | 0 | - | 4.67 | 54,772 |
| The Trojan War | 0 | - | 4.83 | 40,042 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,139 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,673 |
| Roman Emperors | 0 | - | 4.95 | 121,394 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,373 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,989 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,094 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,033 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,648 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,122 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,107 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,405 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,741 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,507 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,492 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,197 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,801 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,448 |
| Celtic Nations | 0 | - | 4.61 | 47,125 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,770 |
| Champions League Winners | 0 | - | 4.92 | 1,017,676 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,534 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,083 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,881 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 89,053 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,146 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,879 |
| Countries Bordering France | 0 | - | 4.83 | 405,293 |
| States of Germany | 0 | - | 4.95 | 154,888 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,791 |
| Countries Bordering Germany | 0 | - | 4.99 | 372,180 |
| Regions of Italy | 0 | - | 4.92 | 77,240 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,898 |
| The Vikings! | 0 | - | 4.46 | 28,419 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,547 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,882 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,088 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,424 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,860 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,808 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,261 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,260 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,205 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,982 |
| Austria... or Australia? | 0 | - | 4.67 | 104,827 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,973 |
| Germany Country Quiz | 0 | - | 4.82 | 159,027 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,209 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,277 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,069 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,402 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,195 |
| Countries Italy Declared War On | 0 | - | 4.74 | 47,974 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,596 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 187,009 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,085 |
| UK Immigration by Country | 0 | - | 4.94 | 141,870 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,229 |
| British Monopoly Board | 0 | - | 4.52 | 41,292 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,010 |
| Name the English Monarchs | 0 | - | 4.91 | 507,252 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,414 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,772 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,740 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,431 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 123,782 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,036 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,678 |
| Countries Bordering Austria | 0 | - | 4.97 | 119,026 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,965 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,158 |
| France A-Z | 0 | - | 4.16 | 38,359 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,206 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,553 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,784 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,466 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 99,051 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,641 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,773 |
| Name that Greek Letter | 0 | - | 4.93 | 325,210 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,420 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,887 |
| Counties of Ireland | 0 | - | 4.92 | 197,629 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,756 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,349 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,265 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,613 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,369 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,257 |
| Roman Names for Places | 0 | - | 4.62 | 58,776 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,268 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,981 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,664 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,360 |
| Languages of Spain | 0 | - | 4.36 | 23,466 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,343 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,427 |
| Switzerland A-Z | 0 | - | 4.45 | 25,786 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 70,013 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,105 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 75,983 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,600 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,143 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,583 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,125 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,388 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 223,055 |
| History of Russia Quiz | 0 | - | 4.47 | 32,022 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,898 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,421 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,210 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,257 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,308 |
| Famous Irish People | 0 | - | 4.05 | 46,076 |
| History of Italy | 0 | - | 4.55 | 32,179 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,505 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,843 |
| Famous Nordic People | 0 | - | 4.34 | 20,331 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,866 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,501 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,465 |
| Geography of Spain | 0 | - | 4.59 | 22,244 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,531 |
| British Geography A-Z | 0 | - | 4.42 | 19,628 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,736 |
| London A-Z | 0 | - | 4.10 | 40,898 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,701 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,337 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,734 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,240 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,684 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,261 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,770 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,276 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,883 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,163 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,774 |
| Europe Map Quiz | 0 | - | 5.00 | 4,792,537 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,560 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,233 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,502 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,460 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,558 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,606 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,783 |
| Capitals of French Regions | 0 | - | 4.45 | 16,194 |
| Regions of France | 0 | - | 4.70 | 122,357 |
| France Immigration by Country | 0 | - | 4.70 | 77,000 |
| Kings of France Quiz | 0 | - | 4.21 | 32,963 |
| Famous Germans | 0 | - | 4.50 | 55,859 |
| German Groups of Things | 0 | - | 4.47 | 38,663 |
| 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 | 49,060 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,563 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,593 |
| Ancient Greek Words | 0 | - | 4.93 | 112,629 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,524 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,276 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,595 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,912 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,430 |
| British to American Food Translation | 0 | - | 3.38 | 52,059 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,936 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,844 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,640 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,962 |
| Famous Scottish People | 0 | - | 4.22 | 18,442 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 280,951 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,620 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,018 |
| Top World Languages | 0 | - | 4.92 | 831,125 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,258 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,186 |
| Australian Capitals | 0 | - | 4.92 | 62,860 |
| European Physical Geography | 0 | - | 4.26 | 33,615 |
| Geography of Russia | 0 | - | 4.57 | 21,615 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,157 |
| History of Austria | 0 | - | 4.70 | 17,991 |
| Austria Country Quiz | 0 | - | 4.57 | 60,108 |
| Belgium Country Quiz | 0 | - | 4.72 | 72,353 |
| France Country Quiz | 0 | - | 4.70 | 135,779 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,393 |
| Geography of the French Empire | 0 | - | 4.45 | 27,229 |
| The French Revolution | 0 | - | 4.47 | 24,165 |
| France Multiple Choice | 0 | - | 4.39 | 40,874 |
| Tour de France Winners | 0 | - | 4.27 | 15,539 |
| History of France | 0 | - | 4.61 | 57,714 |
