| European Countries by First 2 Letters | 0 | - | 4.95 | 531,715 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,906 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,579 |
| Official European Union Languages | 0 | - | 4.97 | 239,444 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,446 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,187 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,220 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,998 |
| Countries by National Anthem | 0 | - | 4.92 | 71,366 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,471 |
| Celtic Nations | 0 | - | 4.61 | 47,062 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,887 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,207 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 174,964 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,619 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,341 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,866 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,567 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,119 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,562 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,610 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,277 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,709 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,936 |
| States of Germany | 0 | - | 4.95 | 153,999 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,536 |
| Regions of Italy | 0 | - | 4.92 | 76,696 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,651 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,010 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,610 |
| Champions League Winners | 0 | - | 4.92 | 1,013,267 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,693 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,076 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,806 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,134 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,463 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,432 |
| Austria... or Australia? | 0 | - | 4.68 | 104,661 |
| Departments of France | 0 | - | 4.93 | 54,859 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,703 |
| England or Wales? | 0 | - | 4.94 | 45,897 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,642 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,708 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,699 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,156 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 116,269 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,788 |
| Slavic Languages | 0 | - | 4.68 | 54,616 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,007 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,719 |
| Name that Greek Letter | 0 | - | 4.93 | 324,671 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,790 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,705 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,590 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,008 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,014 |
| Twelve Days of Christmas | 0 | - | 4.45 | 146,173 |
| Rudolph the Red-Nosed Reindeer | 0 | - | 4.53 | 76,406 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,634 |
| History of Russia Quiz | 0 | - | 4.47 | 31,985 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,833 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,578 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,436 |
| The Trojan War | 0 | - | 4.83 | 39,933 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,677 |
| History of Italy | 0 | - | 4.55 | 32,108 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,202 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,485 |
| Roman Emperors | 0 | - | 4.95 | 120,897 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,783 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,832 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,380 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,934 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,265 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,306 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,039 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,662 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,043 |
| European Geography By Letter - C | 0 | - | 4.43 | 122,840 |
| European Geography By Letter - D | 0 | - | 4.50 | 110,050 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,719 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,048 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,853 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,366 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,583 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,272 |
| Europe Map Quiz | 0 | - | 5.00 | 4,780,775 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,451 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,104 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,403 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,366 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,203 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,421 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,645 |
| Countries that have Won the Most Eurovisions | 0 | - | 4.56 | 102,595 |
| Capitals of French Regions | 0 | - | 4.45 | 16,154 |
| Regions of France | 0 | - | 4.70 | 121,737 |
| France Immigration by Country | 0 | - | 4.70 | 76,828 |
| Famous Germans | 0 | - | 4.50 | 55,669 |
| German Groups of Things | 0 | - | 4.47 | 38,596 |
| Capitals of German States | 0 | - | 4.74 | 29,036 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,494 |
| Germany True or False? | 0 | - | 4.61 | 48,962 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,335 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,988 |
| Ancient Greek Words | 0 | - | 4.93 | 112,246 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,120 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,636 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,380 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,652 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,538 |
| Imagine Lyrics | 0 | - | 4.53 | 43,501 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 40,964 |
| Christmas Song Lyrics | 0 | - | 4.19 | 70,742 |
| Oceania Map Quiz | 0 | - | 4.98 | 657,905 |
| Australian Capitals | 0 | - | 4.92 | 62,804 |
| America the Beautiful Lyrics | 0 | - | 4.27 | 19,785 |
| European Physical Geography | 0 | - | 4.26 | 33,572 |
| Which European Country - Multiple Choice | 0 | - | 4.51 | 84,539 |
| Geography of Russia | 0 | - | 4.57 | 21,574 |
| History of Austria | 0 | - | 4.70 | 17,952 |
| Geography of the French Empire | 0 | - | 4.45 | 27,194 |
| The French Revolution | 0 | - | 4.47 | 24,110 |
| France Multiple Choice | 0 | - | 4.39 | 40,812 |
| History of France | 0 | - | 4.61 | 57,465 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,542 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,071 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,413 |
| The Vikings! | 0 | - | 4.46 | 28,391 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,311 |
| The Portuguese Empire | 0 | - | 4.58 | 12,095 |
| American to British Word Translation | 0 | - | 4.14 | 139,537 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,021 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,266 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,512 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,769 |
| Beatles Lyrics First Names | 0 | - | 4.36 | 40,094 |
| Beatles Songs by Synopsis | 0 | - | 4.31 | 33,160 |
| Viva la Vida Lyrics | 0 | - | 4.38 | 50,086 |
| Elton John Quiz | 0 | - | 4.49 | 18,510 |
| Champions League Top 4 | 0 | - | 4.77 | 138,237 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,103 |
| Asia Map Quiz | 0 | - | 4.99 | 923,073 |
| Which Asian Country? | 0 | - | 4.64 | 57,696 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,014 |
| Which African Country? | 0 | - | 4.58 | 36,432 |
| First Lines of Christmas Songs | 0 | - | 4.27 | 151,073 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,257 |
| Australia Map Quiz | 0 | - | 4.95 | 345,775 |
| United States Map Quiz | 0 | - | 4.98 | 4,167,865 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,454 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,840 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,285 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,726 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,786 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,095 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,900 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,600 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,298 |
| European Geography By Letter - K | 0 | - | 4.15 | 70,932 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,348 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,410 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,829 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,700 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,744 |
| European Geography A-Z | 0 | - | 4.29 | 49,434 |
| Country Codes of Europe | 0 | - | 3.43 | 13,785 |
| The Only European Country ... | 0 | - | 4.91 | 218,360 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,161 |
| European Geographic Groups of Four | 0 | - | 4.54 | 19,631 |
| Famous French People | 0 | - | 4.07 | 36,003 |
| Presidents of France | 0 | - | 4.25 | 24,296 |
| Word Chain - France | 0 | - | 4.38 | 42,899 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,174 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,005 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,373 |
| Italian Foods | 0 | - | 4.30 | 73,135 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,562 |
| The Mafia Quiz | 0 | - | 4.46 | 23,411 |
| History of The Netherlands | 0 | - | 4.46 | 17,529 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,094 |
| Canary Islands | 0 | - | 4.62 | 17,513 |
| Real Madrid 2010s Starting XI | 0 | - | 4.90 | 68,546 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,960 |
| British Spellings | 0 | - | 4.06 | 99,559 |
| British Groups of Things | 0 | - | 4.25 | 82,975 |
| British Acronyms | 0 | - | 4.40 | 45,899 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,085 |
| British Monopoly Board | 0 | - | 4.52 | 41,237 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,056 |
| Geography of Scotland | 0 | - | 4.63 | 21,704 |
| Title in the Lyrics #2 - The Beatles | 0 | - | 4.57 | 94,191 |
| First Lines of Beatles Songs | 0 | - | 4.36 | 47,107 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,689 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,243 |
| China Multiple Choice | 0 | - | 4.50 | 37,377 |
| Countries of Africa | 0 | - | 5.00 | 2,553,029 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,625 |
| African East Coast | 0 | - | 4.96 | 96,557 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,418 |
