| England or Wales? | 0 | - | 4.94 | 45,815 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,780 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,811 |
| Departments of France | 0 | - | 4.93 | 54,531 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,624 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,366 |
| Official European Union Languages | 0 | - | 4.97 | 238,988 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,183 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,294 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,884 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,225 |
| Austria... or Australia? | 0 | - | 4.68 | 104,526 |
| The Trojan War | 0 | - | 4.83 | 39,812 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,307 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,667 |
| Roman Emperors | 0 | - | 4.95 | 120,449 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,130 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,785 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,926 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,626 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,555 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,463 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,491 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,224 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,439 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,436 |
| Celtic Nations | 0 | - | 4.69 | 47,004 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,806 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,311 |
| Champions League Winners | 0 | - | 4.92 | 1,010,359 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,734 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 97,996 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,429 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,190 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,376 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,157 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,028 |
| Countries Bordering France | 0 | - | 4.83 | 403,678 |
| States of Germany | 0 | - | 4.95 | 153,364 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,314 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,802 |
| Regions of Italy | 0 | - | 4.92 | 76,319 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,467 |
| The Vikings! | 0 | - | 4.46 | 28,372 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,507 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,442 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,183 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,436 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,762 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,598 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,083 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,498 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,771 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,794 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,222 |
| Germany Country Quiz | 0 | - | 4.83 | 158,242 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,672 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,088 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,952 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,731 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,649 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,437 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,141 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,280 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,304 |
| UK Immigration by Country | 0 | - | 4.94 | 141,204 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,264 |
| British Monopoly Board | 0 | - | 4.52 | 41,201 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,057 |
| Name the English Monarchs | 0 | - | 4.91 | 504,201 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,112 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,659 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,676 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,926 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,723 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,666 |
| Slavic Languages | 0 | - | 4.68 | 54,491 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,647 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,689 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,137 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,093 |
| France A-Z | 0 | - | 4.16 | 38,276 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,977 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,292 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,392 |
| French History Multiple Choice | 0 | - | 4.55 | 33,136 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,790 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,470 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,229 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 649,223 |
| Name that Greek Letter | 0 | - | 4.93 | 324,239 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,931 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,720 |
| Counties of Ireland | 0 | - | 4.92 | 196,160 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,675 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,042 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,681 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,399 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,798 |
| Geography of the Roman Empire | 0 | - | 4.56 | 52,002 |
| Roman Names for Places | 0 | - | 4.62 | 58,422 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,329 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,544 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,518 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,667 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,419 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,095 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,096 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,544 |
| Switzerland A-Z | 0 | - | 4.45 | 25,696 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,784 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,052 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,421 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,374 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,890 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,749 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,219 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,007 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,823 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,035 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,752 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,448 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,395 |
| History of Russia Quiz | 0 | - | 4.47 | 31,958 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,270 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,034 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,182 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,064 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,583 |
| Famous Irish People | 0 | - | 4.05 | 46,025 |
| History of Italy | 0 | - | 4.55 | 32,064 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,995 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,730 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,436 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,310 |
| Geography of Spain | 0 | - | 4.59 | 22,112 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,366 |
| British Geography A-Z | 0 | - | 4.42 | 19,569 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,692 |
| London A-Z | 0 | - | 4.10 | 40,823 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,032 |
| European Geography By Letter - B #1 | 0 | - | 4.69 | 120,429 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,825 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,379 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,043 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,383 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,237 |
| European Geography By Letter - R | 0 | - | 4.42 | 94,050 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,314 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,881 |
| Europe Map Quiz | 0 | - | 5.00 | 4,772,872 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,370 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,033 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,327 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,307 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,918 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,561 |
| Capitals of French Regions | 0 | - | 4.45 | 16,117 |
| Regions of France | 0 | - | 4.70 | 121,316 |
| France Immigration by Country | 0 | - | 4.70 | 76,700 |
| Kings of France Quiz | 0 | - | 4.20 | 32,829 |
| Famous Germans | 0 | - | 4.50 | 55,548 |
| German Groups of Things | 0 | - | 4.46 | 38,531 |
| Capitals of German States | 0 | - | 4.74 | 28,992 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,410 |
| Germany True or False? | 0 | - | 4.61 | 48,904 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,162 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,525 |
| Ancient Greek Words | 0 | - | 4.93 | 111,965 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,858 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,207 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,297 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,516 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,352 |
| British to American Food Translation | 0 | - | 3.38 | 51,988 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,476 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,497 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,703 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,733 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,183 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,151 |
| Famous Scottish People | 0 | - | 4.22 | 18,415 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,769 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,663 |
| Oceania Map Quiz | 0 | - | 4.98 | 654,700 |
| Australian Capitals | 0 | - | 4.92 | 62,762 |
| European Physical Geography | 0 | - | 4.26 | 33,543 |
| Geography of Russia | 0 | - | 4.57 | 21,557 |
| History of Austria | 0 | - | 4.70 | 17,915 |
| Austria Country Quiz | 0 | - | 4.57 | 59,857 |
| Belgium Country Quiz | 0 | - | 4.72 | 71,969 |
| France Country Quiz | 0 | - | 4.70 | 135,236 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,245 |
| Geography of the French Empire | 0 | - | 4.45 | 27,161 |
| The French Revolution | 0 | - | 4.47 | 24,072 |
| France Multiple Choice | 0 | - | 4.39 | 40,774 |
| Tour de France Winners | 0 | - | 4.27 | 15,426 |
| History of France | 0 | - | 4.61 | 57,308 |
| Greece Country Quiz | 0 | - | 4.74 | 66,390 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,826 |
