| European Countries by First 2 Letters | 0 | - | 4.95 | 528,287 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,926 |
| Official European Union Languages | 0 | - | 4.97 | 237,915 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,482 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,041 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,814 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,706 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,344 |
| Celtic Nations | 0 | - | 4.69 | 46,887 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,176 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,711 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 169,981 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,248 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 31,824 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 353,435 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 96,798 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,736 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,354 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 77,021 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,538 |
| Federal Subjects of Russia | 0 | - | 4.95 | 145,844 |
| States of Germany | 0 | - | 4.96 | 151,514 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,758 |
| Regions of Italy | 0 | - | 4.92 | 75,388 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,410 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,426 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,888 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,354 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,323 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,644 |
| Champions League Winners | 0 | - | 4.92 | 1,002,418 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,536 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,638 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,415 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,121 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,225 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,021 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,407 |
| Slavic Languages | 0 | - | 4.68 | 54,215 |
| Departments of France | 0 | - | 4.93 | 53,564 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,553 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,484 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,396 |
| England or Wales? | 0 | - | 4.94 | 45,547 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,516 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,652 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,245 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,686 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,443 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,741 |
| History of Russia Quiz | 0 | - | 4.49 | 31,865 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,673 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,420 |
| Name that Greek Letter | 0 | - | 4.93 | 322,858 |
| History of Italy | 0 | - | 4.55 | 31,920 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,561 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,598 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,140 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,636 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,827 |
| Europe Map Quiz | 0 | - | 5.00 | 4,750,689 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,316 |
| Capitals of French Regions | 0 | - | 4.45 | 16,030 |
| Capitals of German States | 0 | - | 4.74 | 28,911 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,248 |
| The Trojan War | 0 | - | 4.83 | 39,614 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,378 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,359 |
| Roman Emperors | 0 | - | 4.95 | 119,506 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,810 |
| Africa Map Quiz | 0 | - | 5.00 | 2,112,782 |
| Oceania Map Quiz | 0 | - | 4.98 | 639,532 |
| Australian Capitals | 0 | - | 4.92 | 62,683 |
| European Geography By Letter - A | 0 | - | 4.61 | 136,732 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,536 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,413 |
| European Geography By Letter - D | 0 | - | 4.50 | 107,261 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,632 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,568 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,172 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,924 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,535 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,765 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,175 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,831 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,115 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,152 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,952 |
| Regions of France | 0 | - | 4.75 | 120,199 |
| France Immigration by Country | 0 | - | 4.70 | 76,317 |
| Famous Germans | 0 | - | 4.50 | 54,958 |
| German Groups of Things | 0 | - | 4.46 | 38,407 |
| Germany True or False? | 0 | - | 4.61 | 48,696 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,801 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,069 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,044 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,154 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,187 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,967 |
| Imagine Lyrics | 0 | - | 4.53 | 43,182 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,445,273 |
| Asia Map Quiz | 0 | - | 4.99 | 912,632 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,442 |
| African East Coast | 0 | - | 4.96 | 95,670 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,505 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,359 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,459 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,528 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,256 |
| European Physical Geography | 0 | - | 4.26 | 33,448 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,590 |
| Country Codes of Europe | 0 | - | 3.43 | 13,691 |
| The Only European Country ... | 0 | - | 4.91 | 215,631 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,554 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 27,981 |
| Geography of Russia | 0 | - | 4.57 | 21,496 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,884 |
| History of Austria | 0 | - | 4.70 | 17,821 |
| Presidents of France | 0 | - | 4.25 | 24,008 |
| Geography of the French Empire | 0 | - | 4.45 | 27,013 |
| The French Revolution | 0 | - | 4.46 | 23,884 |
| France Multiple Choice | 0 | - | 4.38 | 40,691 |
| History of France | 0 | - | 4.59 | 56,730 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,449 |
| Ancient Greek Words | 0 | - | 4.93 | 111,227 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,932 |
| The Vikings! | 0 | - | 4.46 | 28,306 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,972 |
| The Portuguese Empire | 0 | - | 4.58 | 12,041 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,003 |
| American to British Word Translation | 0 | - | 4.14 | 138,577 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,841 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,506 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,543 |
| Beatles Lyrics First Names | 0 | - | 4.38 | 34,597 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 40,548 |
| Elton John Quiz | 0 | - | 4.48 | 18,449 |
| Champions League Top 4 | 0 | - | 4.77 | 135,398 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,422 |
| Countries by National Anthem | 0 | - | 4.92 | 71,156 |
| Countries of Africa | 0 | - | 5.00 | 2,525,974 |
| Australia Map Quiz | 0 | - | 4.95 | 343,561 |
| United States Map Quiz | 0 | - | 4.98 | 4,150,638 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,662 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,643 |
| European Geography By Letter - F | 0 | - | 4.17 | 92,042 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,286 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,906 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,814 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,503 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,190 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,511 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,575 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,745 |
| European Geography A-Z | 0 | - | 4.29 | 49,161 |
| Austria... or Australia? | 0 | - | 4.68 | 104,177 |
| Word Chain - France | 0 | - | 4.38 | 42,712 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,898 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,862 |
| Italian Foods | 0 | - | 4.30 | 72,555 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,196 |
| The Mafia Quiz | 0 | - | 4.46 | 23,268 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,666 |
| History of The Netherlands | 0 | - | 4.46 | 17,386 |
| Canary Islands | 0 | - | 4.62 | 17,453 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,527 |
| British Spellings | 0 | - | 4.06 | 99,379 |
| British Groups of Things | 0 | - | 4.25 | 82,814 |
| British Acronyms | 0 | - | 4.39 | 45,730 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,007 |
| British Monopoly Board | 0 | - | 4.52 | 41,125 |
| Beatles Songs by Synopsis | 0 | - | 4.31 | 32,834 |
| Viva la Vida Lyrics | 0 | - | 4.37 | 49,751 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,107 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,788 |
| Flags of Africa Quiz | 0 | - | 5.00 | 468,056 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,455 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,037 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,856 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,961 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,976 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,437 |
| African Island Countries | 0 | - | 4.96 | 101,301 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,879 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,055 |
| Australian States and Territories | 0 | - | 4.96 | 141,520 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,187 |
| Australia True or False | 0 | - | 4.87 | 56,731 |
| Flags of North and South America | 0 | - | 4.99 | 371,122 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,468 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,684 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,086 |
| South America Map Quiz | 0 | - | 5.00 | 1,546,056 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,019,004 |
| North America Map Quiz | 0 | - | 4.98 | 247,200 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,605 |
| Canada Provinces and Territories | 0 | - | 5.00 | 340,610 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 638,535 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,969 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,744 |
