| Countries Surrounding Rome | 0 | - | 4.97 | 49,437 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,127 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,278 |
| Roman Emperors | 0 | - | 4.95 | 119,230 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,754 |
| Regions of Italy | 0 | - | 4.92 | 75,193 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,002 |
| Departments of France | 0 | - | 4.93 | 53,295 |
| Italy Country Quiz | 0 | - | 4.82 | 122,665 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,815 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,574 |
| England or Wales? | 0 | - | 4.94 | 45,486 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,631 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,634 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,893 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,847 |
| Official European Union Languages | 0 | - | 4.97 | 237,646 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,308 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,539 |
| The Trojan War | 0 | - | 4.83 | 39,561 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,149 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,141 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,120 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,744 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,380 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,667 |
| History of Italy | 0 | - | 4.55 | 31,897 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,622 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,787 |
| Roman Names for Places | 0 | - | 4.62 | 58,051 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,026 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,732 |
| Viva la Vida Lyrics | 0 | - | 4.37 | 49,694 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,462 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,316 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,096 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,285 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,442 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,195 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,740 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,126 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,833 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,263 |
| Champions League Winners | 0 | - | 4.92 | 1,000,622 |
| Celtic Nations | 0 | - | 4.69 | 46,871 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,617 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,588 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,681 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,327 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,276 |
| Countries Bordering France | 0 | - | 4.83 | 401,103 |
| States of Germany | 0 | - | 4.96 | 151,058 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,453 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,994 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,831 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,136 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 47,253 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,858 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,163 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,726 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,434 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,618 |
| Don't Stop Believin' Lyrics | 0 | - | 4.46 | 223,013 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,293 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,123 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,755 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,706 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,071 |
| Austria... or Australia? | 0 | - | 4.68 | 104,100 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,024 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,695 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,697 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,974 |
| Germany Country Quiz | 0 | - | 4.82 | 157,171 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,551 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,384 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,868 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,841 |
| Counties of Ireland | 0 | - | 4.92 | 194,016 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,457 |
| Italian Foods | 0 | - | 4.31 | 72,444 |
| Italian History A-Z | 0 | - | 4.21 | 17,624 |
| Byzantine History | 0 | - | 4.91 | 28,702 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 60,671 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,411 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,034 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,417 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,212 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,341 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,838 |
| UK Immigration by Country | 0 | - | 4.94 | 140,249 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,936 |
| British Monopoly Board | 0 | - | 4.52 | 41,096 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,847 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,649 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,472 |
| Beatles Lyrics First Names | 0 | - | 4.38 | 34,570 |
| Elton John Quiz | 0 | - | 4.48 | 18,439 |
| Name the English Monarchs | 0 | - | 4.92 | 500,072 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,046 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,000 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,233 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,508 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,626 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,269 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,826 |
| Slavic Languages | 0 | - | 4.68 | 54,151 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,530 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,589 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,174 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,000 |
| France A-Z | 0 | - | 4.16 | 38,112 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,866 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,810 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,746 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,564 |
| Name that Greek Letter | 0 | - | 4.93 | 322,526 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,243 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,537 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,521 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,946 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,350 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,538 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,658 |
| Switzerland A-Z | 0 | - | 4.45 | 25,578 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,564 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,967 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,788 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,860 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,565 |
| History of Russia Quiz | 0 | - | 4.49 | 31,844 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,641 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,157 |
| Kings of France Quiz | 0 | - | 4.20 | 32,628 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,826 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,078 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,454 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,303 |
| Ancient Greek Words | 0 | - | 4.93 | 111,093 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,059 |
| Famous Irish People | 0 | - | 4.05 | 45,906 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,432 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,066 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,564 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,336 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,092 |
| Geography of Spain | 0 | - | 4.59 | 22,019 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,911 |
| British Geography A-Z | 0 | - | 4.41 | 19,465 |
| The Beatles Members | 0 | - | 4.22 | 23,852 |
| Imagine Lyrics | 0 | - | 4.53 | 43,140 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 40,470 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,604 |
| London A-Z | 0 | - | 4.10 | 40,697 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,364 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,675 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,131 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,105 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,985 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,443 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,317 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,027 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,806 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,440 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,602 |
| Europe Map Quiz | 0 | - | 5.00 | 4,745,627 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,129 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,773 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,078 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,120 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,797 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,234 |
| Capitals of French Regions | 0 | - | 4.45 | 16,017 |
| Regions of France | 0 | - | 4.77 | 119,953 |
| France Immigration by Country | 0 | - | 4.72 | 76,194 |
| Famous Germans | 0 | - | 4.50 | 54,829 |
| German Groups of Things | 0 | - | 4.46 | 38,380 |
| Capitals of German States | 0 | - | 4.74 | 28,892 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,200 |
| Germany True or False? | 0 | - | 4.61 | 48,661 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,723 |
| Roman to Greek God | 0 | - | 4.52 | 122,484 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,878 |
| Serie A Champions | 0 | - | 4.29 | 57,970 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,017 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,054 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,154 |
| British to American Food Translation | 0 | - | 3.38 | 51,907 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,822 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,357 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,502 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,462 |
| Famous Scottish People | 0 | - | 4.22 | 18,355 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,146 |
| Livin' on a Prayer Lyrics | 0 | - | 4.28 | 95,853 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,530 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,526 |
| Australian Capitals | 0 | - | 4.92 | 62,657 |
| United States Map Quiz | 0 | - | 4.98 | 4,148,339 |
| America the Beautiful Lyrics | 0 | - | 4.27 | 19,738 |
