| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,593 |
| Official European Union Languages | 0 | - | 4.97 | 239,486 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,483 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,898 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,996 |
| Departments of France | 0 | - | 4.93 | 54,898 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,709 |
| England or Wales? | 0 | - | 4.94 | 45,905 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,309 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,021 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,320 |
| Slavic Languages | 0 | - | 4.67 | 54,625 |
| The Trojan War | 0 | - | 4.83 | 39,940 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,719 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,503 |
| Roman Emperors | 0 | - | 4.95 | 120,937 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,236 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,662 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,006 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,931 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,475 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,904 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,288 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,091 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,633 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,355 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,310 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,913 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,690 |
| Top African Languages on a Map | 0 | - | 4.94 | 74,979 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,476 |
| Celtic Nations | 0 | - | 4.61 | 47,068 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,832 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,000 |
| Champions League Winners | 0 | - | 4.92 | 1,013,704 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,585 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,639 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,319 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,746 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,023 |
| Countries Bordering France | 0 | - | 4.83 | 404,443 |
| States of Germany | 0 | - | 4.95 | 154,074 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,564 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,415 |
| Regions of Italy | 0 | - | 4.92 | 76,755 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,675 |
| The Vikings! | 0 | - | 4.46 | 28,395 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,061 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,633 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,028 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,284 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,813 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,700 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,217 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,513 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,503 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,882 |
| Austria... or Australia? | 0 | - | 4.68 | 104,679 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,544 |
| Germany Country Quiz | 0 | - | 4.82 | 158,615 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,930 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,183 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,010 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,042 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,893 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,569 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,342 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,643 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,634 |
| UK Immigration by Country | 0 | - | 4.94 | 141,504 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,715 |
| British Monopoly Board | 0 | - | 4.52 | 41,242 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,498 |
| Name the English Monarchs | 0 | - | 4.91 | 505,549 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,702 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,711 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,704 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,165 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 116,323 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,815 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,659 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,853 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,474 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,118 |
| France A-Z | 0 | - | 4.16 | 38,313 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,087 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,403 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,132 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,179 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,857 |
| Name that Greek Letter | 0 | - | 4.93 | 324,719 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,178 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,797 |
| Counties of Ireland | 0 | - | 4.92 | 196,886 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,710 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,178 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,054 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,116 |
| Ancient Roman Trivia #2 | 0 | - | 4.60 | 44,123 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,163 |
| Roman Names for Places | 0 | - | 4.62 | 58,621 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,992 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,594 |
| Most Common First Names in Spain | 0 | - | 4.32 | 54,915 |
| Languages of Spain | 0 | - | 4.36 | 23,402 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,844 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,242 |
| Switzerland A-Z | 0 | - | 4.45 | 25,745 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,914 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,077 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,690 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,042 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,017 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,071 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,970 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,196 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 221,896 |
| History of Russia Quiz | 0 | - | 4.47 | 31,987 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,837 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,314 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,095 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,216 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,107 |
| Famous Irish People | 0 | - | 4.05 | 46,054 |
| History of Italy | 0 | - | 4.55 | 32,115 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,224 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,786 |
| Famous Nordic People | 0 | - | 4.34 | 20,251 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,465 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,390 |
| Geography of Spain | 0 | - | 4.59 | 22,156 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,445 |
| British Geography A-Z | 0 | - | 4.42 | 19,594 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,713 |
| London A-Z | 0 | - | 4.10 | 40,860 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,637 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,697 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,077 |
| European Geography By Letter - C | 0 | - | 4.43 | 123,069 |
| European Geography By Letter - D | 0 | - | 4.50 | 110,085 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,744 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,085 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,865 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,383 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,597 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,296 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,589 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,459 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,113 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,411 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,374 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,216 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,446 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,665 |
| Capitals of French Regions | 0 | - | 4.45 | 16,157 |
| Regions of France | 0 | - | 4.70 | 121,796 |
| France Immigration by Country | 0 | - | 4.70 | 76,844 |
| Kings of France Quiz | 0 | - | 4.20 | 32,883 |
| Famous Germans | 0 | - | 4.50 | 55,699 |
| German Groups of Things | 0 | - | 4.47 | 38,603 |
| Capitals of German States | 0 | - | 4.74 | 29,041 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,506 |
| Germany True or False? | 0 | - | 4.61 | 48,973 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,360 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,557 |
| Ancient Greek Words | 0 | - | 4.93 | 112,284 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,237 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,238 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,423 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,647 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,383 |
| British to American Food Translation | 0 | - | 3.38 | 52,018 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,669 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,774 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,936 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,594 |
| Famous Scottish People | 0 | - | 4.22 | 18,428 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,346 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,077 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,252 |
| Top World Languages | 0 | - | 4.92 | 827,907 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,221 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,140 |
| Australian Capitals | 0 | - | 4.92 | 62,809 |
| European Physical Geography | 0 | - | 4.26 | 33,577 |
| Geography of Russia | 0 | - | 4.57 | 21,577 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,082 |
| History of Austria | 0 | - | 4.70 | 17,958 |
| Austria Country Quiz | 0 | - | 4.57 | 59,983 |
| Belgium Country Quiz | 0 | - | 4.72 | 72,149 |
| France Country Quiz | 0 | - | 4.70 | 135,469 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,317 |
| Geography of the French Empire | 0 | - | 4.45 | 27,198 |
| The French Revolution | 0 | - | 4.47 | 24,119 |
| France Multiple Choice | 0 | - | 4.39 | 40,814 |
| Tour de France Winners | 0 | - | 4.27 | 15,474 |
| History of France | 0 | - | 4.61 | 57,490 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,546 |
| Greece Country Quiz | 0 | - | 4.74 | 66,548 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,434 |
