| European Countries by First 2 Letters | 0 | - | 4.95 | 533,119 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,928 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,497 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,163 |
| Departments of France | 0 | - | 4.93 | 55,417 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,785 |
| England or Wales? | 0 | - | 4.94 | 46,062 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,872 |
| Official European Union Languages | 0 | - | 4.97 | 240,395 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,845 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,436 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,290 |
| The Trojan War | 0 | - | 4.83 | 40,090 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,261 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,704 |
| Roman Emperors | 0 | - | 4.95 | 121,459 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,393 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,856 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,113 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,150 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,223 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,578 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,758 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,513 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,157 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,779 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 293,014 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,766 |
| Celtic Nations | 0 | - | 4.61 | 47,130 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,942 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,885 |
| Champions League Winners | 0 | - | 4.92 | 1,018,190 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,538 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,105 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,920 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,100 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,199 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,964 |
| Belgium Country Quiz | 0 | - | 4.72 | 72,383 |
| Countries Bordering France | 0 | - | 4.83 | 405,399 |
| States of Germany | 0 | - | 4.95 | 154,969 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,822 |
| Countries Bordering Germany | 0 | - | 4.99 | 372,281 |
| Regions of Italy | 0 | - | 4.92 | 77,278 |
| Netherlands Country Quiz | 0 | - | 4.52 | 81,058 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,443 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,611 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,907 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,471 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,874 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.74 | 58,831 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,385 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,363 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,306 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,995 |
| Austria... or Australia? | 0 | - | 4.67 | 104,854 |
| France Cities Map Quiz | 0 | - | 4.96 | 168,013 |
| Germany Country Quiz | 0 | - | 4.82 | 159,084 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,250 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,285 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,076 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,452 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,247 |
| Countries Italy Declared War On | 0 | - | 4.74 | 48,300 |
| History of The Netherlands | 0 | - | 4.46 | 17,572 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,639 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 187,057 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,138 |
| UK Immigration by Country | 0 | - | 4.94 | 141,915 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,289 |
| British Monopoly Board | 0 | - | 4.52 | 41,294 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,063 |
| Name the English Monarchs | 0 | - | 4.91 | 507,458 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,507 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,800 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,742 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,456 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 124,189 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,068 |
| Slavic Languages | 0 | - | 4.67 | 54,788 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,683 |
| Countries Bordering Austria | 0 | - | 4.97 | 119,058 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 105,001 |
| France A-Z | 0 | - | 4.16 | 38,366 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,233 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,571 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,819 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,515 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 99,178 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,673 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 653,075 |
| Name that Greek Letter | 0 | - | 4.93 | 325,335 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,493 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,894 |
| Counties of Ireland | 0 | - | 4.92 | 197,721 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,764 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,379 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,301 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,684 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,401 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,270 |
| Roman Names for Places | 0 | - | 4.62 | 58,795 |
| Countries that Beat Portugal | 0 | - | 4.86 | 60,011 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,667 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,387 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,398 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,445 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 87,035 |
| Switzerland A-Z | 0 | - | 4.45 | 25,796 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 70,032 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,115 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 76,026 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,689 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,099 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,634 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,426 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,431 |
| Top European Languages on a Map | 0 | - | 4.77 | 133,028 |
| History of Russia Quiz | 0 | - | 4.47 | 32,028 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,904 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,459 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,225 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,262 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,537 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,973 |
| Famous Irish People | 0 | - | 4.05 | 46,082 |
| History of Italy | 0 | - | 4.55 | 32,186 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,531 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,504 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,470 |
| Geography of Spain | 0 | - | 4.59 | 22,291 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,544 |
| British Geography A-Z | 0 | - | 4.42 | 19,634 |
| Imagine Lyrics | 0 | - | 4.54 | 43,582 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,412 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,736 |
| London A-Z | 0 | - | 4.10 | 40,912 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,356 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,767 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,276 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,796 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,281 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,799 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,286 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,894 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,172 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,792 |
| Europe Map Quiz | 0 | - | 5.00 | 4,793,901 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,579 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,251 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,518 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,475 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,570 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,621 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,795 |
| Capitals of French Regions | 0 | - | 4.45 | 16,210 |
| Regions of France | 0 | - | 4.70 | 122,424 |
| France Immigration by Country | 0 | - | 4.70 | 77,018 |
| Kings of France Quiz | 0 | - | 4.22 | 32,972 |
| Famous Germans | 0 | - | 4.50 | 55,880 |
| German Groups of Things | 0 | - | 4.47 | 38,677 |
| Capitals of German States | 0 | - | 4.74 | 29,099 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,587 |
| Germany True or False? | 0 | - | 4.61 | 49,073 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,595 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,597 |
| Ancient Greek Words | 0 | - | 4.93 | 112,689 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,551 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,278 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,629 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,478 |
| British to American Food Translation | 0 | - | 3.38 | 52,065 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,969 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,604 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,857 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,857 |
| Beatles Lyrics First Names | 0 | - | 4.36 | 40,246 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 41,091 |
| Elton John Quiz | 0 | - | 4.49 | 18,535 |
| Famous Scottish People | 0 | - | 4.22 | 18,444 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 281,062 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,694 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,493 |
| Australian Capitals | 0 | - | 4.92 | 62,863 |
| European Physical Geography | 0 | - | 4.26 | 33,618 |
| Geography of Russia | 0 | - | 4.57 | 21,623 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,168 |
| History of Austria | 0 | - | 4.70 | 17,992 |
| Austria Country Quiz | 0 | - | 4.57 | 60,125 |
| France Country Quiz | 0 | - | 4.70 | 135,831 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,408 |
| Geography of the French Empire | 0 | - | 4.45 | 27,236 |
| The French Revolution | 0 | - | 4.47 | 24,169 |
| France Multiple Choice | 0 | - | 4.39 | 40,876 |
| Tour de France Winners | 0 | - | 4.27 | 15,548 |
| History of France | 0 | - | 4.61 | 57,736 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,578 |
| Greece Country Quiz | 0 | - | 4.74 | 66,719 |
| Figures from Greek Mythology | 0 | - | 4.92 | 192,933 |
| Italy Country Quiz | 0 | - | 4.77 | 124,236 |
