| Countries Surrounding Rome | 0 | - | 4.97 | 49,531 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,560 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,468 |
| Roman Emperors | 0 | - | 4.95 | 119,795 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,150 |
| Regions of Italy | 0 | - | 4.92 | 75,712 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,674 |
| Departments of France | 0 | - | 4.93 | 53,965 |
| Italy Country Quiz | 0 | - | 4.82 | 123,291 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,220 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,720 |
| England or Wales? | 0 | - | 4.94 | 45,640 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,746 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,804 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,877 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,055 |
| Official European Union Languages | 0 | - | 4.97 | 238,297 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,726 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,839 |
| The Trojan War | 0 | - | 4.83 | 39,676 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,672 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,283 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,386 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,931 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,251 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,792 |
| History of Italy | 0 | - | 4.55 | 31,957 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,714 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,878 |
| Roman Names for Places | 0 | - | 4.62 | 58,227 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,905 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,899 |
| Viva la Vida Lyrics | 0 | - | 4.37 | 49,814 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 355,183 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,375 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,303 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,199 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,050 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,319 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,928 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,656 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,056 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,219 |
| Champions League Winners | 0 | - | 4.92 | 1,005,381 |
| Celtic Nations | 0 | - | 4.69 | 46,919 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,009 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,100 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 80,835 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,761 |
| Countries Bordering France | 0 | - | 4.83 | 402,176 |
| States of Germany | 0 | - | 4.96 | 152,193 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,954 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,896 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,652 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,173 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,025 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,085 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,772 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,105 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,616 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,681 |
| Don't Stop Believin' Lyrics | 0 | - | 4.47 | 223,559 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,443 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,391 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,915 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,505 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,891 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,648 |
| Austria... or Australia? | 0 | - | 4.68 | 104,274 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,238 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,587 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,825 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,128 |
| Germany Country Quiz | 0 | - | 4.82 | 157,712 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,995 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,375 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,964 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,891 |
| Counties of Ireland | 0 | - | 4.92 | 194,935 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,894 |
| Italian Foods | 0 | - | 4.30 | 72,712 |
| Italian History A-Z | 0 | - | 4.21 | 17,690 |
| Byzantine History | 0 | - | 4.91 | 28,784 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,012 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,797 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,498 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,850 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,801 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,706 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,177 |
| UK Immigration by Country | 0 | - | 4.94 | 140,781 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,616 |
| British Monopoly Board | 0 | - | 4.52 | 41,153 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,399 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,003 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,432 |
| Beatles Lyrics First Names | 0 | - | 4.38 | 34,647 |
| Elton John Quiz | 0 | - | 4.48 | 18,462 |
| Name the English Monarchs | 0 | - | 4.91 | 502,004 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,587 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,768 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,106 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,582 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,649 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,585 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,731 |
| Slavic Languages | 0 | - | 4.68 | 54,310 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,620 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,605 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,056 |
| France A-Z | 0 | - | 4.16 | 38,186 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,117 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,228 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,968 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,667 |
| Name that Greek Letter | 0 | - | 4.93 | 323,257 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,562 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,634 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,589 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,216 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,439 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,597 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,846 |
| Switzerland A-Z | 0 | - | 4.45 | 25,632 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,653 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,010 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,881 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,272 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,959 |
| History of Russia Quiz | 0 | - | 4.47 | 31,899 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,710 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,215 |
| Kings of France Quiz | 0 | - | 4.20 | 32,699 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,926 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,125 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,486 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,423 |
| Ancient Greek Words | 0 | - | 4.93 | 111,459 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,732 |
| Famous Irish People | 0 | - | 4.05 | 45,988 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,712 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,091 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,637 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,391 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,198 |
| Geography of Spain | 0 | - | 4.59 | 22,063 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,035 |
| British Geography A-Z | 0 | - | 4.42 | 19,505 |
| The Beatles Members | 0 | - | 4.22 | 23,913 |
| Imagine Lyrics | 0 | - | 4.53 | 43,245 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 40,639 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,645 |
| London A-Z | 0 | - | 4.10 | 40,749 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,014 |
| European Geography By Letter - A | 0 | - | 4.52 | 145,663 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 112,743 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,465 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,181 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,239 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,294 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,326 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,636 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,540 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,862 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,235 |
| Europe Map Quiz | 0 | - | 5.00 | 4,758,647 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,237 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,900 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,188 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,209 |
| European Geography By Letter - S #1 | 0 | - | 4.54 | 100,440 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,398 |
| Capitals of French Regions | 0 | - | 4.45 | 16,056 |
| Regions of France | 0 | - | 4.75 | 120,575 |
| France Immigration by Country | 0 | - | 4.70 | 76,453 |
| Famous Germans | 0 | - | 4.50 | 55,240 |
| German Groups of Things | 0 | - | 4.46 | 38,453 |
| Capitals of German States | 0 | - | 4.74 | 28,941 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,303 |
| Germany True or False? | 0 | - | 4.61 | 48,764 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,940 |
| Roman to Greek God | 0 | - | 4.52 | 122,721 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,392 |
| Serie A Champions | 0 | - | 4.29 | 58,200 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,069 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,295 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,246 |
| British to American Food Translation | 0 | - | 3.38 | 51,954 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,148 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,425 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,604 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,635 |
| Famous Scottish People | 0 | - | 4.22 | 18,392 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,856 |
| Livin' on a Prayer Lyrics | 0 | - | 4.28 | 95,994 |
| Africa Map Quiz | 0 | - | 5.00 | 2,116,047 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,344 |
| Australian Capitals | 0 | - | 4.92 | 62,709 |
| United States Map Quiz | 0 | - | 4.98 | 4,155,454 |
| America the Beautiful Lyrics | 0 | - | 4.27 | 19,750 |
