| European Countries by First 2 Letters | 0 | - | 4.95 | 526,681 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,461 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,941 |
| Departments of France | 0 | - | 4.93 | 52,959 |
| Italy Country Quiz | 0 | - | 4.82 | 122,348 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,534 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,209 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,392 |
| England or Wales? | 0 | - | 4.94 | 45,379 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,546 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,508 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,462 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,668 |
| Official European Union Languages | 0 | - | 4.97 | 237,126 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,995 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,582 |
| The Trojan War | 0 | - | 4.83 | 39,470 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,725 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,955 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,117 |
| Roman Emperors | 0 | - | 4.95 | 118,627 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,583 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,941 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,595 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,483 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,341 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,600 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,604 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,255 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,929 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,105 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,352 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,079 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,496 |
| Champions League Winners | 0 | - | 4.92 | 997,529 |
| Celtic Nations | 0 | - | 4.69 | 46,836 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,446 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,315 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,397 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,931 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,392 |
| Countries Bordering France | 0 | - | 4.83 | 400,068 |
| States of Germany | 0 | - | 4.96 | 150,376 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,127 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,322 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,592 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,208 |
| Regions of Italy | 0 | - | 4.92 | 74,865 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,918 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,735 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,520 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,410 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,290 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,562 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,191 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,904 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,817 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,458 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,383 |
| Austria... or Australia? | 0 | - | 4.68 | 103,934 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,853 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,358 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,581 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,853 |
| Germany Country Quiz | 0 | - | 4.82 | 156,739 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,291 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,604 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,805 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,791 |
| Counties of Ireland | 0 | - | 4.92 | 193,299 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,020 |
| Byzantine History | 0 | - | 4.91 | 28,651 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,456 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,170 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,759 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,088 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,479 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,195 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,603 |
| UK Immigration by Country | 0 | - | 4.94 | 139,805 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,397 |
| British Monopoly Board | 0 | - | 4.52 | 41,052 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,484 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,390 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,877 |
| Beatles Lyrics First Names | 0 | - | 4.38 | 34,494 |
| Viva la Vida Lyrics | 0 | - | 4.37 | 49,590 |
| Elton John Quiz | 0 | - | 4.48 | 18,412 |
| Name the English Monarchs | 0 | - | 4.92 | 498,561 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,832 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,843 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,688 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,469 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,609 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,059 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,268 |
| Slavic Languages | 0 | - | 4.67 | 54,031 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,444 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,560 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,847 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,970 |
| France A-Z | 0 | - | 4.16 | 38,078 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,665 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,502 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,538 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,714 |
| Name that Greek Letter | 0 | - | 4.94 | 321,885 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,988 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,472 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,448 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,566 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,718 |
| Roman Names for Places | 0 | - | 4.62 | 57,923 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,753 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,271 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,489 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,527 |
| Switzerland A-Z | 0 | - | 4.45 | 25,528 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,475 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,932 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,708 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,504 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,248 |
| History of Russia Quiz | 0 | - | 4.49 | 31,803 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,591 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,110 |
| Kings of France Quiz | 0 | - | 4.20 | 32,579 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,748 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,012 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,432 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,064 |
| Ancient Greek Words | 0 | - | 4.92 | 110,813 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,526 |
| Famous Irish People | 0 | - | 4.05 | 45,870 |
| History of Italy | 0 | - | 4.55 | 31,846 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,247 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,436 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,119 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,499 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,294 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,009 |
| Geography of Spain | 0 | - | 4.59 | 21,983 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,828 |
| The Beatles Members | 0 | - | 4.22 | 23,812 |
| Imagine Lyrics | 0 | - | 4.53 | 43,081 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 40,343 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,586 |
| London A-Z | 0 | - | 4.10 | 40,659 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,703 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,478 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,967 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,927 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,777 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,283 |
| European Geography By Letter - M | 0 | - | 4.61 | 129,026 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,731 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,683 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,064 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,382 |
| Europe Map Quiz | 0 | - | 5.00 | 4,735,043 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,023 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,660 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,981 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,020 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,644 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,212 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,665 |
| Capitals of French Regions | 0 | - | 4.45 | 15,995 |
| Regions of France | 0 | - | 4.78 | 119,443 |
| France Immigration by Country | 0 | - | 4.72 | 76,026 |
| Famous Germans | 0 | - | 4.50 | 54,676 |
| German Groups of Things | 0 | - | 4.46 | 38,325 |
| Capitals of German States | 0 | - | 4.74 | 28,823 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,116 |
| Germany True or False? | 0 | - | 4.61 | 48,565 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,533 |
| Roman to Greek God | 0 | - | 4.52 | 122,299 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,625 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,877 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,010 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,669 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,882 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,083 |
| British to American Food Translation | 0 | - | 3.38 | 51,870 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,071 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,296 |
| The UK for Americans - True or False | 0 | - | 4.44 | 58,433 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,412 |
| Famous Scottish People | 0 | - | 4.22 | 18,336 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,289 |
| Michael Jackson Complete Song Discography | 0 | - | 4.58 | 4,958 |
| Africa Map Quiz | 0 | - | 5.00 | 2,105,892 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,172 |
| Australian Capitals | 0 | - | 4.92 | 62,602 |
| United States Map Quiz | 0 | - | 4.98 | 4,143,691 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,280 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,716 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,949 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,336 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,543 |
