| European Countries by First 2 Letters | 0 | - | 4.95 | 528,258 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,568 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,923 |
| Official European Union Languages | 0 | - | 4.97 | 237,907 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,472 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,994 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,812 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,702 |
| Countries by National Anthem | 0 | - | 4.92 | 71,154 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,343 |
| Celtic Nations | 0 | - | 4.69 | 46,887 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,173 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,701 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 169,963 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,246 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 31,821 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,346 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,311 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 353,388 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 96,739 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,731 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,919 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,529 |
| Federal Subjects of Russia | 0 | - | 4.95 | 145,834 |
| States of Germany | 0 | - | 4.96 | 151,508 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,749 |
| Regions of Italy | 0 | - | 4.92 | 75,385 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,374 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,421 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,877 |
| Champions League Winners | 0 | - | 4.92 | 1,002,343 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,351 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,883 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,644 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,212 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,005 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,393 |
| Austria... or Australia? | 0 | - | 4.68 | 104,176 |
| Departments of France | 0 | - | 4.93 | 53,554 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,482 |
| England or Wales? | 0 | - | 4.94 | 45,544 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,498 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,534 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,638 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,405 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,104 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,236 |
| Slavic Languages | 0 | - | 4.68 | 54,212 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,681 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,387 |
| Name that Greek Letter | 0 | - | 4.93 | 322,849 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,575 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,553 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,396 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,633 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,826 |
| Twelve Days of Christmas | 0 | - | 4.45 | 145,900 |
| Rudolph the Red-Nosed Reindeer | 0 | - | 4.53 | 76,140 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,645 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,734 |
| History of Russia Quiz | 0 | - | 4.49 | 31,865 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,673 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,971 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,841 |
| The Trojan War | 0 | - | 4.83 | 39,611 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,371 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,305 |
| History of Italy | 0 | - | 4.55 | 31,918 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,553 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,359 |
| Roman Emperors | 0 | - | 4.95 | 119,501 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,596 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,740 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,138 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,270 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,810 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,437 |
| European Geography By Letter - A | 0 | - | 4.61 | 135,253 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,389 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,302 |
| European Geography By Letter - D | 0 | - | 4.50 | 107,162 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,579 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,504 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,125 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,891 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,505 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,727 |
| Europe Map Quiz | 0 | - | 5.00 | 4,750,504 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,174 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,829 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,115 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,150 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,904 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,314 |
| Countries that have Won the Most Eurovisions | 0 | - | 4.56 | 101,601 |
| Capitals of French Regions | 0 | - | 4.45 | 16,029 |
| Regions of France | 0 | - | 4.75 | 120,189 |
| France Immigration by Country | 0 | - | 4.70 | 76,313 |
| Famous Germans | 0 | - | 4.50 | 54,943 |
| German Groups of Things | 0 | - | 4.46 | 38,405 |
| Capitals of German States | 0 | - | 4.74 | 28,911 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,243 |
| Germany True or False? | 0 | - | 4.61 | 48,691 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,799 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,051 |
| Ancient Greek Words | 0 | - | 4.93 | 111,221 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,031 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,148 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,185 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,962 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,382 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,545 |
| Imagine Lyrics | 0 | - | 4.53 | 43,181 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 40,545 |
| Christmas Song Lyrics | 0 | - | 4.20 | 70,536 |
| Africa Map Quiz | 0 | - | 5.00 | 2,112,714 |
| Which African Country? | 0 | - | 4.58 | 36,321 |
| Oceania Map Quiz | 0 | - | 4.98 | 639,508 |
| Australian Capitals | 0 | - | 4.92 | 62,681 |
| America the Beautiful Lyrics | 0 | - | 4.27 | 19,743 |
| European Physical Geography | 0 | - | 4.26 | 33,447 |
| Which European Country - Multiple Choice | 0 | - | 4.51 | 84,272 |
| Geography of Russia | 0 | - | 4.57 | 21,496 |
| History of Austria | 0 | - | 4.70 | 17,820 |
| Geography of the French Empire | 0 | - | 4.45 | 27,013 |
| The French Revolution | 0 | - | 4.46 | 23,883 |
| France Multiple Choice | 0 | - | 4.38 | 40,690 |
| History of France | 0 | - | 4.59 | 56,724 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,448 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,655 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,926 |
| The Vikings! | 0 | - | 4.46 | 28,306 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,971 |
| The Portuguese Empire | 0 | - | 4.58 | 12,041 |
| American to British Word Translation | 0 | - | 4.14 | 138,570 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,839 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,496 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,227 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,540 |
| Beatles Lyrics First Names | 0 | - | 4.38 | 34,597 |
| Beatles Songs by Synopsis | 0 | - | 4.31 | 32,833 |
| Viva la Vida Lyrics | 0 | - | 4.37 | 49,749 |
| Elton John Quiz | 0 | - | 4.48 | 18,449 |
| Champions League Top 4 | 0 | - | 4.77 | 135,379 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,445,226 |
| Asia Map Quiz | 0 | - | 4.99 | 912,545 |
| Which Asian Country? | 0 | - | 4.64 | 57,512 |
| First Lines of Christmas Songs | 0 | - | 4.27 | 150,620 |
| Countries of Africa | 0 | - | 5.00 | 2,525,818 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,436 |
| African East Coast | 0 | - | 4.96 | 95,660 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,502 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,352 |
| Australia Map Quiz | 0 | - | 4.95 | 343,550 |
| United States Map Quiz | 0 | - | 4.98 | 4,150,581 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,440 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,525 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,235 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,644 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,577 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,976 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,223 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,838 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,770 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,450 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,150 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,483 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,572 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,712 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,581 |
| European Geography A-Z | 0 | - | 4.29 | 49,157 |
| Country Codes of Europe | 0 | - | 3.43 | 13,691 |
| The Only European Country ... | 0 | - | 4.91 | 215,605 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,543 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 27,981 |
| Presidents of France | 0 | - | 4.25 | 24,008 |
| Word Chain - France | 0 | - | 4.38 | 42,709 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,894 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,862 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,159 |
| Italian Foods | 0 | - | 4.30 | 72,551 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,195 |
| The Mafia Quiz | 0 | - | 4.46 | 23,264 |
| History of The Netherlands | 0 | - | 4.46 | 17,385 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,002 |
| Canary Islands | 0 | - | 4.62 | 17,453 |
| Real Madrid 2010s Starting XI | 0 | - | 4.89 | 66,941 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,523 |
| British Spellings | 0 | - | 4.06 | 99,376 |
| British Groups of Things | 0 | - | 4.25 | 82,812 |
| British Acronyms | 0 | - | 4.39 | 45,729 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,007 |
| British Monopoly Board | 0 | - | 4.52 | 41,125 |
| Geography of Scotland | 0 | - | 4.63 | 21,571 |
| Title in the Lyrics #2 - The Beatles | 0 | - | 4.57 | 93,591 |
| First Lines of Beatles Songs | 0 | - | 4.36 | 46,774 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,404 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,078 |
| China Multiple Choice | 0 | - | 4.50 | 37,240 |
| Christmas Carol Lyrics | 0 | - | 4.20 | 12,489 |
