| England or Wales? | 0 | - | 4.94 | 46,004 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,877 |
| Australia... or New Zealand? | 0 | - | 4.83 | 62,080 |
| Austria... or Australia? | 0 | - | 4.67 | 104,813 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,880 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,237 |
| Departments of France | 0 | - | 4.93 | 55,333 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,768 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,821 |
| Official European Union Languages | 0 | - | 4.97 | 240,071 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,771 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,249 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,151 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,152 |
| The Trojan War | 0 | - | 4.83 | 40,035 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,113 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,658 |
| Roman Emperors | 0 | - | 4.95 | 121,360 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,365 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,893 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,840 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,089 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,104 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,064 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,315 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,155 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,730 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,502 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,351 |
| Celtic Nations | 0 | - | 4.61 | 47,122 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,712 |
| Champions League Winners | 0 | - | 4.92 | 1,017,415 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,526 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,071 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,860 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 89,033 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,115 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,826 |
| Countries Bordering France | 0 | - | 4.83 | 405,223 |
| States of Germany | 0 | - | 4.95 | 154,833 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,772 |
| Countries Bordering Germany | 0 | - | 4.99 | 372,116 |
| Regions of Italy | 0 | - | 4.92 | 77,213 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,422 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,504 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,858 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,413 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,627 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,853 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,798 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,180 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,212 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,143 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,977 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,936 |
| Germany Country Quiz | 0 | - | 4.82 | 158,987 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,180 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,268 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,064 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,364 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,167 |
| Countries Italy Declared War On | 0 | - | 4.74 | 47,690 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,583 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,994 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,056 |
| UK Immigration by Country | 0 | - | 4.94 | 141,849 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,196 |
| British Monopoly Board | 0 | - | 4.52 | 41,285 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,974 |
| Name the English Monarchs | 0 | - | 4.91 | 507,145 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,374 |
| 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 | 142,413 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 123,532 |
| 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 | 119,008 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,931 |
| 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 | 72,540 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,767 |
| French History Multiple Choice | 0 | - | 4.55 | 33,266 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,441 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,981 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,622 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,626 |
| 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 | 41,882 |
| Counties of Ireland | 0 | - | 4.92 | 197,571 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,752 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,333 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,251 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,570 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,354 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,248 |
| Roman Names for Places | 0 | - | 4.62 | 58,769 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,763 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,956 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,659 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,349 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,307 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,411 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,479 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,968 |
| Switzerland A-Z | 0 | - | 4.45 | 25,782 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 70,006 |
| 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 | 132,565 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,130 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,547 |
| 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 | 97,373 |
| Iran... or Iraq? | 0 | - | 4.31 | 33,685 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,739 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,966 |
| History of Russia Quiz | 0 | - | 4.47 | 32,014 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,381 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,196 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,252 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,201 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,774 |
| Famous Irish People | 0 | - | 4.05 | 46,076 |
| History of Italy | 0 | - | 4.55 | 32,173 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,471 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,493 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,459 |
| Geography of Spain | 0 | - | 4.59 | 22,217 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,524 |
| British Geography A-Z | 0 | - | 4.42 | 19,626 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,734 |
| London A-Z | 0 | - | 4.10 | 40,890 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,319 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,722 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,228 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,618 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,247 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,755 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,269 |
| 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 | 4,791,751 |
| 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 | 70,493 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,454 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,547 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,596 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,778 |
| Capitals of French Regions | 0 | - | 4.45 | 16,193 |
| Regions of France | 0 | - | 4.70 | 122,288 |
| France Immigration by Country | 0 | - | 4.70 | 76,984 |
| Kings of France Quiz | 0 | - | 4.21 | 32,957 |
| Famous Germans | 0 | - | 4.50 | 55,848 |
| German Groups of Things | 0 | - | 4.47 | 38,656 |
| Capitals of German States | 0 | - | 4.74 | 29,090 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,575 |
| Germany True or False? | 0 | - | 4.61 | 49,055 |
| 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 | 112,605 |
| 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 | 41,887 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,427 |
| 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 | 28,836 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,588 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,938 |
| Famous Scottish People | 0 | - | 4.22 | 18,442 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 280,909 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,591 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,034 |
| 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 | 72,336 |
| France Country Quiz | 0 | - | 4.70 | 135,764 |
| 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 | 24,161 |
| France Multiple Choice | 0 | - | 4.39 | 40,870 |
| Tour de France Winners | 0 | - | 4.27 | 15,534 |
| History of France | 0 | - | 4.61 | 57,697 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,570 |
| Greece Country Quiz | 0 | - | 4.74 | 66,685 |
