| England or Wales? | 0 | - | 4.94 | 45,914 |
| Austria... or Australia? | 0 | - | 4.68 | 104,696 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,016 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,991 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,914 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,121 |
| Departments of France | 0 | - | 4.93 | 54,927 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,714 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,610 |
| Official European Union Languages | 0 | - | 4.97 | 239,538 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,513 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,404 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,089 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,028 |
| The Trojan War | 0 | - | 4.83 | 39,945 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,763 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,519 |
| Roman Emperors | 0 | - | 4.95 | 120,983 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,251 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,840 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,928 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,331 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,201 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,643 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,375 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,536 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,481 |
| Celtic Nations | 0 | - | 4.61 | 47,072 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,086 |
| Champions League Winners | 0 | - | 4.92 | 1,014,157 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,605 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,658 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,360 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,795 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,111 |
| History of Austria | 0 | - | 4.70 | 17,962 |
| Countries Bordering France | 0 | - | 4.83 | 404,524 |
| States of Germany | 0 | - | 4.95 | 154,145 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,585 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,486 |
| Regions of Italy | 0 | - | 4.92 | 76,791 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,695 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,330 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,117 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,656 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,297 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,527 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,816 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,710 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,309 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,588 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,557 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,889 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,608 |
| Germany Country Quiz | 0 | - | 4.82 | 158,653 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,953 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,194 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,015 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,085 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,912 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,585 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,366 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,683 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,671 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,999 |
| UK Immigration by Country | 0 | - | 4.94 | 141,534 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,766 |
| British Monopoly Board | 0 | - | 4.52 | 41,248 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,545 |
| Name the English Monarchs | 0 | - | 4.91 | 505,688 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,771 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,712 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,709 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,186 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 116,402 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,835 |
| Slavic Languages | 0 | - | 4.67 | 54,635 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,662 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,876 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,510 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,126 |
| France A-Z | 0 | - | 4.16 | 38,317 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,096 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,412 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,620 |
| French History Multiple Choice | 0 | - | 4.55 | 33,196 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,165 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,267 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,474 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,024 |
| Name that Greek Letter | 0 | - | 4.93 | 324,761 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,201 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,804 |
| Counties of Ireland | 0 | - | 4.92 | 196,932 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,716 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,188 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,075 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,163 |
| Ancient Roman Trivia #2 | 0 | - | 4.60 | 44,193 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,173 |
| Roman Names for Places | 0 | - | 4.62 | 58,637 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,552 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,766 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,600 |
| Most Common First Names in Spain | 0 | - | 4.32 | 55,016 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,902 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,256 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,296 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,769 |
| Switzerland A-Z | 0 | - | 4.45 | 25,751 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,924 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,077 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,712 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,097 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,028 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,107 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,284 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,059 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,987 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,218 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,643 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,599 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,699 |
| History of Russia Quiz | 0 | - | 4.47 | 31,992 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,317 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,100 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,221 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,221 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,243 |
| Famous Irish People | 0 | - | 4.05 | 46,055 |
| History of Italy | 0 | - | 4.55 | 32,118 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,242 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,792 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,472 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,401 |
| Geography of Spain | 0 | - | 4.59 | 22,161 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,453 |
| British Geography A-Z | 0 | - | 4.42 | 19,597 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,716 |
| London A-Z | 0 | - | 4.10 | 40,867 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,722 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,098 |
| European Geography By Letter - C | 0 | - | 4.43 | 123,206 |
| European Geography By Letter - D | 0 | - | 4.50 | 110,107 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,758 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,114 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,878 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,396 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,612 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,322 |
| Europe Map Quiz | 0 | - | 5.00 | 4,782,473 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,465 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,124 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,415 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,385 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,228 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,463 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,676 |
| Capitals of French Regions | 0 | - | 4.45 | 16,159 |
| Regions of France | 0 | - | 4.70 | 121,854 |
| France Immigration by Country | 0 | - | 4.70 | 76,856 |
| Kings of France Quiz | 0 | - | 4.20 | 32,890 |
| Famous Germans | 0 | - | 4.50 | 55,715 |
| German Groups of Things | 0 | - | 4.47 | 38,610 |
| Capitals of German States | 0 | - | 4.74 | 29,046 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,511 |
| Germany True or False? | 0 | - | 4.61 | 48,979 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,374 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,559 |
| Ancient Greek Words | 0 | - | 4.93 | 112,302 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,263 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,238 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,441 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,661 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,387 |
| British to American Food Translation | 0 | - | 3.38 | 52,023 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,694 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,547 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,779 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,778 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,007 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,644 |
| Famous Scottish People | 0 | - | 4.22 | 18,431 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,414 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,123 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,365 |
| Australian Capitals | 0 | - | 4.92 | 62,812 |
| European Physical Geography | 0 | - | 4.26 | 33,581 |
| Geography of Russia | 0 | - | 4.57 | 21,584 |
| Austria Country Quiz | 0 | - | 4.57 | 59,998 |
| Belgium Country Quiz | 0 | - | 4.72 | 72,169 |
| France Country Quiz | 0 | - | 4.70 | 135,502 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,325 |
| Geography of the French Empire | 0 | - | 4.45 | 27,202 |
| The French Revolution | 0 | - | 4.47 | 24,124 |
| France Multiple Choice | 0 | - | 4.39 | 40,822 |
| Tour de France Winners | 0 | - | 4.27 | 15,485 |
| History of France | 0 | - | 4.61 | 57,508 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,549 |
| Greece Country Quiz | 0 | - | 4.74 | 66,573 |
