| European Countries by First 2 Letters | 0 | - | 4.95 | 526,839 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,714 |
| Official European Union Languages | 0 | - | 4.97 | 237,225 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,065 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,774 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,610 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,616 |
| Countries by National Anthem | 0 | - | 4.92 | 71,064 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,262 |
| Celtic Nations | 0 | - | 4.69 | 46,839 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,956 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,288 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,668 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,107 |
| Ancient Greek Words | 0 | - | 4.92 | 110,877 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,505 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,541 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 351,035 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,491 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,368 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,476 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,014 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,564 |
| States of Germany | 0 | - | 4.96 | 150,528 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,166 |
| Regions of Italy | 0 | - | 4.92 | 74,926 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,957 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,616 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,490 |
| Champions League Winners | 0 | - | 4.92 | 998,145 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,217 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,630 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,578 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,983 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,601 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,513 |
| Departments of France | 0 | - | 4.93 | 53,024 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,402 |
| England or Wales? | 0 | - | 4.94 | 45,403 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,792 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,480 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,613 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,105 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,396 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,954 |
| Slavic Languages | 0 | - | 4.68 | 54,061 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,564 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 643,074 |
| Name that Greek Letter | 0 | - | 4.94 | 322,015 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,465 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,283 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,497 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,719 |
| Twelve Days of Christmas | 0 | - | 4.45 | 145,626 |
| Rudolph the Red-Nosed Reindeer | 0 | - | 4.53 | 76,041 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,786 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,316 |
| History of Russia Quiz | 0 | - | 4.49 | 31,811 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,601 |
| The Trojan War | 0 | - | 4.83 | 39,484 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,820 |
| History of Italy | 0 | - | 4.55 | 31,858 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,299 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,148 |
| Roman Emperors | 0 | - | 4.95 | 118,733 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,516 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,020 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,623 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,572 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,552 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,030 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,990 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,861 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,342 |
| European Geography By Letter - M | 0 | - | 4.61 | 129,112 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,945 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,715 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,090 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,435 |
| Europe Map Quiz | 0 | - | 5.00 | 4,737,469 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,042 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,676 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,003 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,034 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,689 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,250 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,695 |
| Countries that have Won the Most Eurovisions | 0 | - | 4.56 | 101,361 |
| Capitals of French Regions | 0 | - | 4.45 | 15,999 |
| Regions of France | 0 | - | 4.78 | 119,548 |
| France Immigration by Country | 0 | - | 4.72 | 76,049 |
| Famous Germans | 0 | - | 4.50 | 54,714 |
| German Groups of Things | 0 | - | 4.46 | 38,342 |
| Capitals of German States | 0 | - | 4.74 | 28,861 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,143 |
| Germany True or False? | 0 | - | 4.61 | 48,583 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,589 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,258 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,684 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,926 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,097 |
| British to American Food Translation | 0 | - | 3.38 | 51,883 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,117 |
| Imagine Lyrics | 0 | - | 4.53 | 43,096 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 40,367 |
| Christmas Song Lyrics | 0 | - | 4.20 | 70,446 |
| Africa Map Quiz | 0 | - | 5.00 | 2,106,737 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,555 |
| Australian Capitals | 0 | - | 4.92 | 62,612 |
| America the Beautiful Lyrics | 0 | - | 4.27 | 19,722 |
| European Physical Geography | 0 | - | 4.26 | 33,393 |
| Geography of Russia | 0 | - | 4.57 | 21,449 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,811 |
| History of Austria | 0 | - | 4.70 | 17,775 |
| Geography of the French Empire | 0 | - | 4.45 | 26,963 |
| The French Revolution | 0 | - | 4.46 | 23,820 |
| France Multiple Choice | 0 | - | 4.38 | 40,655 |
| History of France | 0 | - | 4.59 | 56,327 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,403 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,487 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,288 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,702 |
| The Vikings! | 0 | - | 4.46 | 28,262 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,752 |
| The Portuguese Empire | 0 | - | 4.54 | 12,005 |
| American to British Word Translation | 0 | - | 4.12 | 136,940 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,758 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,327 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,420 |
| Beatles Lyrics First Names | 0 | - | 4.38 | 34,510 |
| Beatles Songs by Synopsis | 0 | - | 4.31 | 32,722 |
| Viva la Vida Lyrics | 0 | - | 4.37 | 49,612 |
| Elton John Quiz | 0 | - | 4.48 | 18,416 |
| Champions League Top 4 | 0 | - | 4.77 | 134,262 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,286 |
| Asia Map Quiz | 0 | - | 4.99 | 908,533 |
| First Lines of Christmas Songs | 0 | - | 4.27 | 150,483 |
| Countries of Africa | 0 | - | 5.00 | 2,513,245 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,974 |
| African East Coast | 0 | - | 4.96 | 95,237 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,123 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,997 |
| Australia Map Quiz | 0 | - | 4.94 | 342,808 |
| United States Map Quiz | 0 | - | 4.98 | 4,144,724 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,547 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,358 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,414 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,706 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,334 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,766 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,006 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,563 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,589 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,263 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,007 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,355 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,447 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,575 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,895 |
| European Geography A-Z | 0 | - | 4.28 | 49,050 |
| Country Codes of Europe | 0 | - | 3.46 | 13,662 |
| The Only European Country ... | 0 | - | 4.91 | 214,399 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,893 |
| Austria... or Australia? | 0 | - | 4.68 | 103,970 |
| Presidents of France | 0 | - | 4.25 | 23,936 |
| Word Chain - France | 0 | - | 4.38 | 42,615 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,820 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,802 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,357 |
| Italian Foods | 0 | - | 4.31 | 72,299 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,048 |
| The Mafia Quiz | 0 | - | 4.46 | 23,222 |
| History of The Netherlands | 0 | - | 4.46 | 17,339 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,973 |
| Canary Islands | 0 | - | 4.61 | 17,420 |
| Real Madrid 2010s Starting XI | 0 | - | 4.88 | 66,409 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,252 |
| British Spellings | 0 | - | 4.07 | 99,298 |
| British Groups of Things | 0 | - | 4.25 | 82,726 |
| British Acronyms | 0 | - | 4.39 | 45,661 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,974 |
| British Monopoly Board | 0 | - | 4.52 | 41,073 |
| Title in the Lyrics #2 - The Beatles | 0 | - | 4.56 | 93,401 |
| First Lines of Beatles Songs | 0 | - | 4.36 | 46,643 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,821 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,377,412 |
| Christmas Carol Lyrics | 0 | - | 4.18 | 12,464 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,518 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,732 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,870 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,709 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,454 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,633 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,376 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,787 |
| African Island Countries | 0 | - | 4.96 | 100,934 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,976 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,824 |
| Australian States and Territories | 0 | - | 4.96 | 141,104 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,066 |
