| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,427 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,872 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,713 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,086 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 213,901 |
| Departments of France | 0 | - | 4.93 | 54,236 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,562 |
| England or Wales? | 0 | - | 4.94 | 45,734 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,801 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,159 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,072 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,615 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,201 |
| Official European Union Languages | 0 | - | 4.97 | 238,649 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,952 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,454 |
| The Trojan War | 0 | - | 4.83 | 39,754 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,973 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,574 |
| Roman Emperors | 0 | - | 4.95 | 120,173 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,023 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,863 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,629 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,069 |
| France A-Z | 0 | - | 4.16 | 38,220 |
| Switzerland A-Z | 0 | - | 4.45 | 25,658 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 356,575 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,402 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,430 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 119,746 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,133 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,761 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,624 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,812 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,640 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,941 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,793 |
| European Geography By Letter - V | 0 | - | 4.43 | 93,083 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,534 |
| European Geography By Letter - S #1 | 0 | - | 4.62 | 100,677 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,767 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,194 |
| Famous Germans | 0 | - | 4.50 | 55,338 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,386 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,089 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,156 |
| Famous Irish People | 0 | - | 4.05 | 46,003 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,550 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,770 |
| London A-Z | 0 | - | 4.10 | 40,792 |
| Champions League Winners | 0 | - | 4.92 | 1,007,669 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,551 |
| Celtic Nations | 0 | - | 4.69 | 46,960 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,204 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,548 |
| Countries Bordering France | 0 | - | 4.83 | 402,766 |
| States of Germany | 0 | - | 4.95 | 152,786 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,125 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,621 |
| Regions of Italy | 0 | - | 4.92 | 76,012 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,260 |
| Famous Nordic People | 0 | - | 4.34 | 20,141 |
| The Vikings! | 0 | - | 4.46 | 28,354 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,096 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,275 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,715 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,546 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,869 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,031 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,144 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,819 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,623 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,263 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,809 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,984 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,260 |
| European Geography A-Z | 0 | - | 4.29 | 49,290 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,518 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,518 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,486 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,035 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,275 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,713 |
| Austria... or Australia? | 0 | - | 4.68 | 104,403 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,367 |
| Famous French People | 0 | - | 4.07 | 35,655 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,867 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,900 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,215 |
| Germany Country Quiz | 0 | - | 4.83 | 157,960 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,431 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,949 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,030 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,931 |
| Counties of Ireland | 0 | - | 4.92 | 195,525 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,485 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,135 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,903 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,362 |
| The Mafia Quiz | 0 | - | 4.46 | 23,336 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,150 |
| History of The Netherlands | 0 | - | 4.46 | 17,446 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,950 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,990 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,747 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,106 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,117 |
| UK Immigration by Country | 0 | - | 4.94 | 140,993 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,933 |
| British Monopoly Board | 0 | - | 4.52 | 41,181 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,747 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,201 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,865 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,971 |
| Name the English Monarchs | 0 | - | 4.91 | 503,175 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,711 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,890 |
| Famous Scottish People | 0 | - | 4.22 | 18,402 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,536 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,662 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,754 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,138 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,550 |
| Slavic Languages | 0 | - | 4.68 | 54,398 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,880 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,545 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,995 |
| Name that Greek Letter | 0 | - | 4.93 | 323,936 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,746 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,681 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,633 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,547 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,762 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,954 |
| Roman Names for Places | 0 | - | 4.62 | 58,326 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,388 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,783 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,634 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,400 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,488 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,623 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,988 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,710 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,028 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,798 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,515 |
| Africa A-Z | 0 | - | 4.57 | 46,628 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,167 |
| Famous Russians | 0 | - | 4.16 | 23,847 |
| History of Russia Quiz | 0 | - | 4.47 | 31,937 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,752 |
| Russian History A-Z | 0 | - | 4.38 | 31,772 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,246 |
| Kings of France Quiz | 0 | - | 4.20 | 32,766 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,977 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,228 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,508 |
| Ancient Greek Words | 0 | - | 4.93 | 111,719 |
| History of Italy | 0 | - | 4.55 | 32,006 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,835 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,187 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,681 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,419 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,615 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,257 |
| Geography of Spain | 0 | - | 4.59 | 22,085 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,536 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,300 |
| People on Money - England | 0 | - | 4.29 | 16,618 |
| British Geography A-Z | 0 | - | 4.42 | 19,531 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,473 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,839 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,675 |
| Asian Cities A-Z by Clue | 0 | - | 4.49 | 36,646 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,360 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,215 |
| Europe Map Quiz | 0 | - | 5.00 | 4,765,734 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,307 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,971 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,254 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,254 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,489 |
| Capitals of French Regions | 0 | - | 4.45 | 16,087 |
| Regions of France | 0 | - | 4.72 | 120,942 |
| France Immigration by Country | 0 | - | 4.70 | 76,578 |
| German Groups of Things | 0 | - | 4.46 | 38,491 |
| Capitals of German States | 0 | - | 4.74 | 28,971 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,358 |
| Germany True or False? | 0 | - | 4.61 | 48,837 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,060 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,425 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,190 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,419 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,286 |
| British to American Food Translation | 0 | - | 3.38 | 51,969 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,308 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,682 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,164 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,737 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,437 |
