| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,333 |
| Official European Union Languages | 0 | - | 4.97 | 238,938 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,140 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,213 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,612 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,609 |
| Departments of France | 0 | - | 4.93 | 54,474 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,618 |
| England or Wales? | 0 | - | 4.94 | 45,804 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,081 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,857 |
| Slavic Languages | 0 | - | 4.68 | 54,469 |
| The Trojan War | 0 | - | 4.83 | 39,799 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,259 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,655 |
| Roman Emperors | 0 | - | 4.95 | 120,406 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,114 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,362 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,916 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,809 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,311 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,541 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,279 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,087 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,481 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,200 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,230 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,655 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,595 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,462 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,431 |
| Celtic Nations | 0 | - | 4.69 | 46,997 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,183 |
| Champions League Winners | 0 | - | 4.92 | 1,009,974 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 97,938 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,395 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 86,796 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,319 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,027 |
| Countries Bordering France | 0 | - | 4.83 | 403,578 |
| States of Germany | 0 | - | 4.95 | 153,228 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,290 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,702 |
| Regions of Italy | 0 | - | 4.92 | 76,248 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,431 |
| The Vikings! | 0 | - | 4.46 | 28,368 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,421 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,419 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,949 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,160 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,756 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,590 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,939 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,390 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,643 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,779 |
| Austria... or Australia? | 0 | - | 4.68 | 104,507 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,170 |
| Germany Country Quiz | 0 | - | 4.83 | 158,191 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,633 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,079 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,947 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,668 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,611 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,420 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,121 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,231 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,270 |
| UK Immigration by Country | 0 | - | 4.94 | 141,171 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,192 |
| British Monopoly Board | 0 | - | 4.52 | 41,194 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,991 |
| Name the English Monarchs | 0 | - | 4.91 | 504,000 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,009 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,647 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,675 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,884 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,627 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,646 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,646 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,667 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,095 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,091 |
| France A-Z | 0 | - | 4.16 | 38,269 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,969 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,286 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,365 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,746 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,383 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,206 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,932 |
| Name that Greek Letter | 0 | - | 4.93 | 324,182 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,904 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,712 |
| Counties of Ireland | 0 | - | 4.92 | 196,073 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,665 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,025 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,654 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,360 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,792 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,993 |
| Roman Names for Places | 0 | - | 4.62 | 58,403 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,749 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,516 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,515 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,657 |
| Languages of Spain | 0 | - | 4.36 | 23,352 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,374 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,070 |
| Switzerland A-Z | 0 | - | 4.45 | 25,689 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,765 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,047 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,384 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,287 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,880 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,697 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,805 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,010 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,846 |
| History of Russia Quiz | 0 | - | 4.47 | 31,952 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,778 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,261 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,029 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,177 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,933 |
| Famous Irish People | 0 | - | 4.05 | 46,024 |
| History of Italy | 0 | - | 4.55 | 32,054 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,967 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,721 |
| Famous Nordic People | 0 | - | 4.34 | 20,174 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,802 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,436 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,298 |
| Geography of Spain | 0 | - | 4.59 | 22,107 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,352 |
| British Geography A-Z | 0 | - | 4.42 | 19,561 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,692 |
| London A-Z | 0 | - | 4.10 | 40,815 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,583 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,982 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 120,379 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,778 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,330 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,997 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,330 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,206 |
| European Geography By Letter - R | 0 | - | 4.42 | 94,013 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,287 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,839 |
| Europe Map Quiz | 0 | - | 5.00 | 4,771,547 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,355 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,012 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,302 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,296 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,889 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,549 |
| Capitals of French Regions | 0 | - | 4.45 | 16,112 |
| Regions of France | 0 | - | 4.72 | 121,259 |
| France Immigration by Country | 0 | - | 4.70 | 76,684 |
| Kings of France Quiz | 0 | - | 4.20 | 32,818 |
| Famous Germans | 0 | - | 4.50 | 55,536 |
| German Groups of Things | 0 | - | 4.46 | 38,526 |
| Capitals of German States | 0 | - | 4.74 | 28,990 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,402 |
| Germany True or False? | 0 | - | 4.61 | 48,893 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,142 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,524 |
| Ancient Greek Words | 0 | - | 4.93 | 111,917 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,811 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,204 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,281 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,501 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,340 |
| British to American Food Translation | 0 | - | 3.38 | 51,985 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,445 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,721 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,062 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,113 |
| Famous Scottish People | 0 | - | 4.22 | 18,415 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,706 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,606 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,574 |
| Top World Languages | 0 | - | 4.92 | 824,581 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,178 |
| Oceania Map Quiz | 0 | - | 4.98 | 653,297 |
| Australian Capitals | 0 | - | 4.92 | 62,756 |
| European Physical Geography | 0 | - | 4.26 | 33,542 |
| Geography of Russia | 0 | - | 4.57 | 21,555 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,019 |
| History of Austria | 0 | - | 4.70 | 17,905 |
| Austria Country Quiz | 0 | - | 4.57 | 59,843 |
| Belgium Country Quiz | 0 | - | 4.72 | 71,948 |
| France Country Quiz | 0 | - | 4.70 | 135,193 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,239 |
| Geography of the French Empire | 0 | - | 4.45 | 27,156 |
| The French Revolution | 0 | - | 4.47 | 24,064 |
| France Multiple Choice | 0 | - | 4.39 | 40,774 |
| Tour de France Winners | 0 | - | 4.27 | 15,415 |
| History of France | 0 | - | 4.59 | 57,278 |
| Greece Country Quiz | 0 | - | 4.74 | 66,371 |
