| England or Wales? | 0 | - | 4.94 | 46,003 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,860 |
| Australia... or New Zealand? | 0 | - | 4.83 | 62,078 |
| Austria... or Australia? | 0 | - | 4.67 | 104,812 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,878 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,225 |
| Departments of France | 0 | - | 4.93 | 55,332 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,767 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,820 |
| Official European Union Languages | 0 | - | 4.97 | 240,058 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,770 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,246 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,151 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,150 |
| The Trojan War | 0 | - | 4.83 | 40,034 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,110 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,657 |
| Roman Emperors | 0 | - | 4.95 | 121,358 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,364 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,893 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,839 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,089 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,103 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,060 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,309 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,154 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,730 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,501 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,337 |
| Celtic Nations | 0 | - | 4.61 | 47,122 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,708 |
| Champions League Winners | 0 | - | 4.92 | 1,017,397 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,526 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,070 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,858 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 89,032 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,109 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,823 |
| Countries Bordering France | 0 | - | 4.83 | 405,216 |
| States of Germany | 0 | - | 4.95 | 154,828 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,771 |
| Countries Bordering Germany | 0 | - | 4.99 | 372,114 |
| Regions of Italy | 0 | - | 4.92 | 77,210 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,421 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,501 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,855 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,412 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,625 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,853 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,797 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,171 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,207 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,136 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,977 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,932 |
| Germany Country Quiz | 0 | - | 4.82 | 158,986 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,179 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,267 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,063 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,361 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,163 |
| Countries Italy Declared War On | 0 | - | 4.74 | 47,674 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,583 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,993 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,055 |
| UK Immigration by Country | 0 | - | 4.94 | 141,847 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,194 |
| British Monopoly Board | 0 | - | 4.52 | 41,285 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,972 |
| Name the English Monarchs | 0 | - | 4.91 | 507,136 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,370 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,767 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,737 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,410 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 123,504 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,019 |
| Slavic Languages | 0 | - | 4.67 | 54,759 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,677 |
| Countries Bordering Austria | 0 | - | 4.97 | 119,007 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,928 |
| France A-Z | 0 | - | 4.16 | 38,353 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,198 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,539 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,766 |
| French History Multiple Choice | 0 | - | 4.55 | 33,266 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,438 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,980 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,621 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,619 |
| Name that Greek Letter | 0 | - | 4.93 | 325,177 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,400 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,880 |
| Counties of Ireland | 0 | - | 4.92 | 197,560 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,752 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,332 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,251 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,569 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,352 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,248 |
| Roman Names for Places | 0 | - | 4.62 | 58,768 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,760 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,956 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,658 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,348 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,303 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,410 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,478 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,967 |
| Switzerland A-Z | 0 | - | 4.45 | 25,782 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 70,004 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,100 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 75,968 |
| UK General Knowledge Multiple Choice #1 | 0 | - | 4.24 | 20,907 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,563 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,129 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,546 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,344 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,100 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,114 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,372 |
| Iran... or Iraq? | 0 | - | 4.31 | 33,685 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,738 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,962 |
| History of Russia Quiz | 0 | - | 4.47 | 32,013 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,379 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,196 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,251 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,198 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,771 |
| Famous Irish People | 0 | - | 4.05 | 46,076 |
| History of Italy | 0 | - | 4.55 | 32,172 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,467 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,493 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,458 |
| Geography of Spain | 0 | - | 4.59 | 22,214 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,524 |
| British Geography A-Z | 0 | - | 4.42 | 19,625 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,734 |
| London A-Z | 0 | - | 4.10 | 40,889 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,317 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,721 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,225 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,611 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,246 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,752 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,268 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,874 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,152 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,760 |
| Europe Map Quiz | 0 | - | 5.00 | 4,791,692 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,555 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,226 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,492 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,453 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,546 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,596 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,777 |
| Capitals of French Regions | 0 | - | 4.45 | 16,193 |
| Regions of France | 0 | - | 4.70 | 122,286 |
| France Immigration by Country | 0 | - | 4.70 | 76,983 |
| Kings of France Quiz | 0 | - | 4.21 | 32,956 |
| Famous Germans | 0 | - | 4.50 | 55,848 |
| German Groups of Things | 0 | - | 4.47 | 38,656 |
| Capitals of German States | 0 | - | 4.74 | 29,089 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,574 |
| Germany True or False? | 0 | - | 4.61 | 49,054 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,550 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,593 |
| Ancient Greek Words | 0 | - | 4.93 | 112,604 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,495 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,272 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,573 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,883 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,426 |
| British to American Food Translation | 0 | - | 3.38 | 52,058 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,912 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,589 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,832 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,834 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,585 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,937 |
| Famous Scottish People | 0 | - | 4.22 | 18,442 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 280,908 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,590 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,024 |
| Australian Capitals | 0 | - | 4.92 | 62,855 |
| European Physical Geography | 0 | - | 4.26 | 33,611 |
| Geography of Russia | 0 | - | 4.57 | 21,614 |
| History of Austria | 0 | - | 4.70 | 17,989 |
| Austria Country Quiz | 0 | - | 4.57 | 60,100 |
| Belgium Country Quiz | 0 | - | 4.72 | 72,335 |
| France Country Quiz | 0 | - | 4.70 | 135,763 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,387 |
| Geography of the French Empire | 0 | - | 4.45 | 27,227 |
| The French Revolution | 0 | - | 4.47 | 24,160 |
| France Multiple Choice | 0 | - | 4.39 | 40,869 |
| Tour de France Winners | 0 | - | 4.27 | 15,533 |
| History of France | 0 | - | 4.61 | 57,697 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,569 |
| Greece Country Quiz | 0 | - | 4.74 | 66,685 |
