| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,994 |
| Official European Union Languages | 0 | - | 4.97 | 238,115 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,602 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,681 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,194 |
| Departments of France | 0 | - | 4.93 | 53,774 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,515 |
| England or Wales? | 0 | - | 4.94 | 45,597 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,477 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,715 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,042 |
| Slavic Languages | 0 | - | 4.68 | 54,267 |
| The Trojan War | 0 | - | 4.83 | 39,644 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,529 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,417 |
| Roman Emperors | 0 | - | 4.95 | 119,649 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,877 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,844 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,754 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,664 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,651 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,034 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,241 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,957 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 170,583 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,283 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,871 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,158 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,244 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,435 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,357 |
| Celtic Nations | 0 | - | 4.69 | 46,908 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,754 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,011 |
| Champions League Winners | 0 | - | 4.92 | 1,003,672 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,893 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 77,933 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,693 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,375 |
| Countries Bordering France | 0 | - | 4.83 | 401,864 |
| States of Germany | 0 | - | 4.96 | 151,895 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,878 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,586 |
| Regions of Italy | 0 | - | 4.92 | 75,537 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,855 |
| The Vikings! | 0 | - | 4.46 | 28,319 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,628 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,999 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,858 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,562 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,659 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,388 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,585 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,270 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,661 |
| Austria... or Australia? | 0 | - | 4.68 | 104,230 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,444 |
| Germany Country Quiz | 0 | - | 4.82 | 157,569 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,859 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,936 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,875 |
| Italy Country Quiz | 0 | - | 4.82 | 123,185 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,120 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,812 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,246 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,653 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,364 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,706 |
| UK Immigration by Country | 0 | - | 4.94 | 140,668 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,443 |
| British Monopoly Board | 0 | - | 4.52 | 41,137 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,218 |
| Name the English Monarchs | 0 | - | 4.91 | 501,451 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,731 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,555 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,643 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,485 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,360 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,343 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,615 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,617 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,183 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,472 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,044 |
| France A-Z | 0 | - | 4.16 | 38,172 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,787 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,087 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,058 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,097 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,077 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,905 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,060 |
| Name that Greek Letter | 0 | - | 4.93 | 323,077 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,464 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,605 |
| Counties of Ireland | 0 | - | 4.92 | 194,623 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,576 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,748 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,309 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,696 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,695 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,859 |
| Roman Names for Places | 0 | - | 4.62 | 58,178 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,367 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,141 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,419 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,584 |
| Languages of Spain | 0 | - | 4.36 | 23,283 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,611 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,783 |
| Switzerland A-Z | 0 | - | 4.45 | 25,620 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,632 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,997 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,897 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,158 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,689 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,168 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,227 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,686 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,155 |
| History of Russia Quiz | 0 | - | 4.49 | 31,879 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,694 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,193 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,899 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,117 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,532 |
| Famous Irish People | 0 | - | 4.05 | 45,977 |
| History of Italy | 0 | - | 4.55 | 31,935 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,633 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,611 |
| Famous Nordic People | 0 | - | 4.34 | 20,063 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,375 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,163 |
| Geography of Spain | 0 | - | 4.59 | 22,050 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,008 |
| British Geography A-Z | 0 | - | 4.42 | 19,493 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,637 |
| London A-Z | 0 | - | 4.10 | 40,745 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,529 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,859 |
| European Geography By Letter - A | 0 | - | 4.51 | 144,987 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 112,604 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,341 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,076 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,138 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,142 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,224 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,562 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,246 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,802 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,134 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,243 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,206 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,862 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,151 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,180 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,365 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,357 |
| Capitals of French Regions | 0 | - | 4.45 | 16,036 |
| Regions of France | 0 | - | 4.75 | 120,400 |
| France Immigration by Country | 0 | - | 4.70 | 76,399 |
| Kings of France Quiz | 0 | - | 4.20 | 32,682 |
| Famous Germans | 0 | - | 4.50 | 55,167 |
| German Groups of Things | 0 | - | 4.46 | 38,435 |
| Capitals of German States | 0 | - | 4.74 | 28,930 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,279 |
| Germany True or False? | 0 | - | 4.61 | 48,738 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,869 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,478 |
| Ancient Greek Words | 0 | - | 4.93 | 111,346 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,286 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,167 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,997 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,225 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,233 |
| British to American Food Translation | 0 | - | 3.38 | 51,943 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,065 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,606 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,627 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,450 |
| Famous Scottish People | 0 | - | 4.22 | 18,387 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,662 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,543 |
| Top World Languages | 0 | - | 4.92 | 819,991 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,545 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,136 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,521 |
| Australian Capitals | 0 | - | 4.92 | 62,694 |
| European Physical Geography | 0 | - | 4.26 | 33,470 |
| Geography of Russia | 0 | - | 4.57 | 21,508 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,906 |
| History of Austria | 0 | - | 4.70 | 17,833 |
| Austria Country Quiz | 0 | - | 4.57 | 59,630 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,651 |
| France Country Quiz | 0 | - | 4.70 | 134,754 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,112 |
| Geography of the French Empire | 0 | - | 4.45 | 27,025 |
| The French Revolution | 0 | - | 4.46 | 23,901 |
| France Multiple Choice | 0 | - | 4.38 | 40,706 |
| Tour de France Winners | 0 | - | 4.27 | 15,339 |
