| Countries that Beat Switzerland | 0 | - | 4.88 | 41,623 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,972 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,485 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,129 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,645 |
| History of Italy | 0 | - | 4.55 | 31,864 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,325 |
| Regions of Italy | 0 | - | 4.92 | 74,970 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,581 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,737 |
| Official European Union Languages | 0 | - | 4.97 | 237,296 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,112 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,408 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,905 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,293 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,633 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,173 |
| Roman Emperors | 0 | - | 4.95 | 118,815 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,524 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,037 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,264 |
| Celtic Nations | 0 | - | 4.69 | 46,841 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,976 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,667 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,828 |
| Capitals of French Regions | 0 | - | 4.45 | 16,006 |
| Capitals of German States | 0 | - | 4.74 | 28,866 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,152 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 351,338 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,727 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,519 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,410 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,223 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,513 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,059 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,704 |
| History of Austria | 0 | - | 4.70 | 17,779 |
| Geography of the French Empire | 0 | - | 4.45 | 26,964 |
| The French Revolution | 0 | - | 4.46 | 23,832 |
| France Multiple Choice | 0 | - | 4.38 | 40,662 |
| History of France | 0 | - | 4.59 | 56,385 |
| States of Germany | 0 | - | 4.96 | 150,657 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,409 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,204 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,731 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,988 |
| The Vikings! | 0 | - | 4.46 | 28,268 |
| The Portuguese Empire | 0 | - | 4.54 | 12,008 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,784 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,529 |
| American to British Word Translation | 0 | - | 4.13 | 137,324 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,772 |
| Champions League Winners | 0 | - | 4.92 | 998,628 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,110 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,707 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,617 |
| Presidents of France | 0 | - | 4.25 | 23,942 |
| Departments of France | 0 | - | 4.93 | 53,064 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,460 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,978 |
| England or Wales? | 0 | - | 4.94 | 45,414 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,869 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,484 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,613 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,123 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,488 |
| Slavic Languages | 0 | - | 4.68 | 54,074 |
| Italian Foods | 0 | - | 4.31 | 72,326 |
| The Mafia Quiz | 0 | - | 4.46 | 23,224 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,997 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,573 |
| Geography of Germany | 0 | - | 4.35 | 17,115 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 643,368 |
| Name that Greek Letter | 0 | - | 4.94 | 322,120 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,587 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,738 |
| Roman Names for Places | 0 | - | 4.62 | 57,971 |
| History of Spain | 0 | - | 4.29 | 21,025 |
| Languages of Spain | 0 | - | 4.36 | 23,189 |
| British to American Word Translation | 0 | - | 3.75 | 254,809 |
| British Foods by Description | 0 | - | 3.94 | 48,274 |
| British and American Word Differences | 0 | - | 2.64 | 46,794 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,530 |
| Bridges of London | 0 | - | 4.17 | 10,066 |
| British Sport Trivia | 0 | - | 4.37 | 20,387 |
| Famous Welsh People | 0 | - | 4.21 | 9,785 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,852 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,370 |
| History of Russia Quiz | 0 | - | 4.49 | 31,819 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,608 |
| The Trojan War | 0 | - | 4.83 | 39,501 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,884 |
| Word Chain - Italy | 0 | - | 4.07 | 23,117 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,648 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,806 |
| Australian Capitals | 0 | - | 4.92 | 62,614 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,583 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,045 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,009 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,889 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,366 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,150 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,966 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,738 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,111 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,471 |
| Europe Map Quiz | 0 | - | 5.00 | 4,739,109 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,057 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,699 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,015 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,054 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,713 |
| Regions of France | 0 | - | 4.78 | 119,639 |
| France Immigration by Country | 0 | - | 4.72 | 76,076 |
| Famous Germans | 0 | - | 4.50 | 54,740 |
| German Groups of Things | 0 | - | 4.46 | 38,349 |
| Germany True or False? | 0 | - | 4.61 | 48,605 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,613 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,466 |
| Ancient Greek Words | 0 | - | 4.92 | 110,922 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,122 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,948 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,100 |
| British Noble Ranks | 0 | - | 3.85 | 20,386 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,154 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,598 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,606 |
| Africa Map Quiz | 0 | - | 5.00 | 2,107,500 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,973 |
| European Physical Geography | 0 | - | 4.26 | 33,399 |
| Geography of Russia | 0 | - | 4.57 | 21,453 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,819 |
| Italian History A-Z | 0 | - | 4.21 | 17,597 |
| Serie A Champions | 0 | - | 4.29 | 57,867 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,995 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,763 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,350 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,426 |
| Champions League Top 4 | 0 | - | 4.77 | 134,393 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,572 |
| Asia Map Quiz | 0 | - | 4.99 | 908,909 |
| Countries of Africa | 0 | - | 5.00 | 2,514,700 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,025 |
| African East Coast | 0 | - | 4.96 | 95,288 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,177 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,037 |
| Australia Map Quiz | 0 | - | 4.94 | 342,891 |
| United States Map Quiz | 0 | - | 4.98 | 4,145,340 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,631 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,371 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,514 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,807 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,350 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,788 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,026 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,643 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,613 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,297 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,028 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,368 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,458 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,592 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,970 |
| European Geography A-Z | 0 | - | 4.28 | 49,058 |
| Country Codes of Europe | 0 | - | 3.46 | 13,664 |
| The Only European Country ... | 0 | - | 4.91 | 214,562 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,972 |
| Austria... or Australia? | 0 | - | 4.68 | 104,000 |
| Word Chain - France | 0 | - | 4.38 | 42,629 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,826 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,806 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,452 |
| Italian Inventions | 0 | - | 3.81 | 18,419 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,356 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,497 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,780 |
| History of The Netherlands | 0 | - | 4.46 | 17,345 |
| Canary Islands | 0 | - | 4.61 | 17,424 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,279 |
| British Spellings | 0 | - | 4.07 | 99,315 |
| British Groups of Things | 0 | - | 4.25 | 82,733 |
| British Acronyms | 0 | - | 4.39 | 45,668 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,975 |
| British Monopoly Board | 0 | - | 4.52 | 41,075 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,915 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,377,798 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,541 |
| Flags of Africa Quiz | 0 | - | 5.00 | 465,152 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,921 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,741 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,499 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,677 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,446 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,891 |
| African Island Countries | 0 | - | 4.96 | 100,979 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,079 |
| Australian States and Territories | 0 | - | 4.96 | 141,155 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,078 |
| Australia True or False | 0 | - | 4.87 | 56,590 |
| Flags of North and South America | 0 | - | 4.99 | 368,848 |
