| European Countries by First 2 Letters | 0 | - | 4.95 | 530,451 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,398 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,439 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,084 |
| Departments of France | 0 | - | 4.93 | 54,412 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,609 |
| England or Wales? | 0 | - | 4.94 | 45,784 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,304 |
| Official European Union Languages | 0 | - | 4.97 | 238,874 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,099 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,924 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,845 |
| The Trojan War | 0 | - | 4.83 | 39,790 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,191 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,640 |
| Roman Emperors | 0 | - | 4.95 | 120,344 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,092 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,716 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,900 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,517 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,145 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,790 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,451 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,171 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,855 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,907 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,039 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 357,944 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,420 |
| Celtic Nations | 0 | - | 4.69 | 46,987 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,477 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,070 |
| Champions League Winners | 0 | - | 4.91 | 1,009,501 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,355 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 85,056 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,250 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,928 |
| Belgium Country Quiz | 0 | - | 4.72 | 71,918 |
| Countries Bordering France | 0 | - | 4.83 | 403,449 |
| States of Germany | 0 | - | 4.95 | 153,095 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,253 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,563 |
| Regions of Italy | 0 | - | 4.92 | 76,202 |
| Netherlands Country Quiz | 0 | - | 4.53 | 80,634 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,204 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,330 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,380 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,144 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,741 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,565 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,830 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,310 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,563 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,757 |
| Austria... or Australia? | 0 | - | 4.68 | 104,487 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,092 |
| Germany Country Quiz | 0 | - | 4.83 | 158,140 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,585 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,066 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,945 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,625 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,281 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,403 |
| History of The Netherlands | 0 | - | 4.46 | 17,475 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,093 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,154 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,231 |
| UK Immigration by Country | 0 | - | 4.94 | 141,131 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,124 |
| British Monopoly Board | 0 | - | 4.52 | 41,191 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,942 |
| Name the English Monarchs | 0 | - | 4.91 | 503,780 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,939 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,636 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,671 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,853 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,532 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,602 |
| Slavic Languages | 0 | - | 4.68 | 54,459 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,641 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,641 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,049 |
| France A-Z | 0 | - | 4.16 | 38,261 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,955 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,268 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,347 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,699 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,269 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,173 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,677 |
| Name that Greek Letter | 0 | - | 4.93 | 324,116 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,860 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,702 |
| Counties of Ireland | 0 | - | 4.92 | 195,941 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,655 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,009 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,629 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,306 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,784 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,986 |
| Roman Names for Places | 0 | - | 4.62 | 58,389 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,489 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,511 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,648 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,316 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,050 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,477 |
| Switzerland A-Z | 0 | - | 4.45 | 25,683 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,752 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,039 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,340 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,210 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,953 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,652 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,781 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,978 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,310 |
| History of Russia Quiz | 0 | - | 4.47 | 31,945 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,770 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,258 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,018 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,169 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,744 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,453 |
| Famous Irish People | 0 | - | 4.05 | 46,021 |
| History of Italy | 0 | - | 4.55 | 32,047 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,933 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,430 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,292 |
| Geography of Spain | 0 | - | 4.59 | 22,101 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,338 |
| British Geography A-Z | 0 | - | 4.42 | 19,553 |
| Imagine Lyrics | 0 | - | 4.53 | 43,378 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,061 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,688 |
| London A-Z | 0 | - | 4.10 | 40,810 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,555 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,808 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 120,221 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,583 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,154 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,883 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,167 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,833 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,115 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,930 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,220 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,743 |
| Europe Map Quiz | 0 | - | 5.00 | 4,769,805 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,344 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,002 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,290 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,287 |
| European Geography By Letter - S #1 | 0 | - | 4.62 | 100,820 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,539 |
| Capitals of French Regions | 0 | - | 4.45 | 16,102 |
| Regions of France | 0 | - | 4.72 | 121,170 |
| France Immigration by Country | 0 | - | 4.70 | 76,661 |
| Kings of France Quiz | 0 | - | 4.20 | 32,809 |
| Famous Germans | 0 | - | 4.50 | 55,510 |
| German Groups of Things | 0 | - | 4.46 | 38,516 |
| Capitals of German States | 0 | - | 4.74 | 28,984 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,391 |
| Germany True or False? | 0 | - | 4.61 | 48,878 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,131 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,518 |
| Ancient Greek Words | 0 | - | 4.93 | 111,872 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,742 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,202 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,264 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,335 |
| British to American Food Translation | 0 | - | 3.38 | 51,980 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,416 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,486 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,682 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,711 |
| Beatles Lyrics First Names | 0 | - | 4.38 | 38,013 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 40,799 |
| Elton John Quiz | 0 | - | 4.49 | 18,486 |
| Famous Scottish People | 0 | - | 4.22 | 18,411 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,598 |
| Africa Map Quiz | 0 | - | 5.00 | 2,121,277 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,645 |
| Australian Capitals | 0 | - | 4.92 | 62,748 |
| European Physical Geography | 0 | - | 4.26 | 33,539 |
| Geography of Russia | 0 | - | 4.57 | 21,552 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,005 |
| History of Austria | 0 | - | 4.70 | 17,900 |
| Austria Country Quiz | 0 | - | 4.57 | 59,827 |
| France Country Quiz | 0 | - | 4.70 | 135,153 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,221 |
| Geography of the French Empire | 0 | - | 4.45 | 27,151 |
| The French Revolution | 0 | - | 4.47 | 24,054 |
| France Multiple Choice | 0 | - | 4.39 | 40,769 |
| Tour de France Winners | 0 | - | 4.27 | 15,412 |
| History of France | 0 | - | 4.59 | 57,249 |
| Greece Country Quiz | 0 | - | 4.74 | 66,352 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,637 |
| Italy Country Quiz | 0 | - | 4.77 | 123,574 |
| Italian History A-Z | 0 | - | 4.21 | 17,736 |
