| Countries that Beat Switzerland | 0 | - | 4.88 | 41,621 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,950 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,480 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,125 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,641 |
| History of Italy | 0 | - | 4.55 | 31,862 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,323 |
| Regions of Italy | 0 | - | 4.92 | 74,961 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,580 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,732 |
| Official European Union Languages | 0 | - | 4.97 | 237,273 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,102 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,407 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,885 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,288 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,629 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,163 |
| Roman Emperors | 0 | - | 4.95 | 118,795 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,524 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,033 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,263 |
| Celtic Nations | 0 | - | 4.69 | 46,841 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,974 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,586 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,800 |
| Capitals of French Regions | 0 | - | 4.45 | 16,005 |
| Capitals of German States | 0 | - | 4.74 | 28,866 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,151 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 351,287 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,722 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,516 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,401 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,222 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,510 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,051 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,680 |
| History of Austria | 0 | - | 4.70 | 17,779 |
| Geography of the French Empire | 0 | - | 4.45 | 26,964 |
| The French Revolution | 0 | - | 4.46 | 23,831 |
| France Multiple Choice | 0 | - | 4.38 | 40,660 |
| History of France | 0 | - | 4.59 | 56,371 |
| States of Germany | 0 | - | 4.96 | 150,605 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,408 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,196 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,727 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,984 |
| The Vikings! | 0 | - | 4.46 | 28,267 |
| The Portuguese Empire | 0 | - | 4.54 | 12,008 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,760 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,523 |
| American to British Word Translation | 0 | - | 4.13 | 137,262 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,770 |
| Champions League Winners | 0 | - | 4.92 | 998,536 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,092 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,684 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,598 |
| Presidents of France | 0 | - | 4.25 | 23,939 |
| Departments of France | 0 | - | 4.93 | 53,055 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,429 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,977 |
| England or Wales? | 0 | - | 4.94 | 45,412 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,855 |
| 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 | 141,120 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,469 |
| Slavic Languages | 0 | - | 4.68 | 54,068 |
| Italian Foods | 0 | - | 4.31 | 72,321 |
| The Mafia Quiz | 0 | - | 4.46 | 23,224 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,983 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,572 |
| Geography of Germany | 0 | - | 4.35 | 17,114 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 643,301 |
| Name that Greek Letter | 0 | - | 4.94 | 322,100 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,585 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,737 |
| Roman Names for Places | 0 | - | 4.62 | 57,968 |
| History of Spain | 0 | - | 4.29 | 21,022 |
| Languages of Spain | 0 | - | 4.36 | 23,189 |
| British to American Word Translation | 0 | - | 3.75 | 254,802 |
| British Foods by Description | 0 | - | 3.94 | 48,274 |
| British and American Word Differences | 0 | - | 2.64 | 46,792 |
| 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 | 266,842 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,360 |
| History of Russia Quiz | 0 | - | 4.49 | 31,817 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,607 |
| The Trojan War | 0 | - | 4.83 | 39,498 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,864 |
| Word Chain - Italy | 0 | - | 4.07 | 23,115 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,643 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,796 |
| Australian Capitals | 0 | - | 4.92 | 62,613 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,579 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,042 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,007 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,889 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,362 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,147 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,965 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,735 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,109 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,465 |
| Europe Map Quiz | 0 | - | 5.00 | 4,738,704 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,053 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,696 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,012 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,049 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,709 |
| Regions of France | 0 | - | 4.78 | 119,626 |
| France Immigration by Country | 0 | - | 4.72 | 76,069 |
| Famous Germans | 0 | - | 4.50 | 54,735 |
| German Groups of Things | 0 | - | 4.46 | 38,347 |
| Germany True or False? | 0 | - | 4.61 | 48,601 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,604 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,414 |
| Ancient Greek Words | 0 | - | 4.92 | 110,911 |
| 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 | 20,385 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,147 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,583 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,590 |
| Africa Map Quiz | 0 | - | 5.00 | 2,107,353 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,897 |
| European Physical Geography | 0 | - | 4.26 | 33,398 |
| Geography of Russia | 0 | - | 4.57 | 21,452 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,819 |
| Italian History A-Z | 0 | - | 4.21 | 17,595 |
| Serie A Champions | 0 | - | 4.29 | 57,864 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,991 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,762 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,346 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,425 |
| Champions League Top 4 | 0 | - | 4.77 | 134,373 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,537 |
| Asia Map Quiz | 0 | - | 4.99 | 908,811 |
| Countries of Africa | 0 | - | 5.00 | 2,514,307 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,010 |
| African East Coast | 0 | - | 4.96 | 95,278 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,174 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,023 |
| Australia Map Quiz | 0 | - | 4.94 | 342,881 |
| United States Map Quiz | 0 | - | 4.98 | 4,145,211 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,622 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,369 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,491 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,786 |
| 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 | 101,642 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,610 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,294 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,027 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,366 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,456 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,590 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,960 |
| European Geography A-Z | 0 | - | 4.28 | 49,057 |
| Country Codes of Europe | 0 | - | 3.46 | 13,664 |
| The Only European Country ... | 0 | - | 4.91 | 214,535 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,954 |
| Austria... or Australia? | 0 | - | 4.68 | 103,992 |
| Word Chain - France | 0 | - | 4.38 | 42,623 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,824 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,804 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,429 |
| Italian Inventions | 0 | - | 3.81 | 18,417 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,352 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,495 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,773 |
| History of The Netherlands | 0 | - | 4.46 | 17,344 |
| Canary Islands | 0 | - | 4.61 | 17,424 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,274 |
| British Spellings | 0 | - | 4.07 | 99,311 |
| British Groups of Things | 0 | - | 4.25 | 82,730 |
| British Acronyms | 0 | - | 4.39 | 45,667 |
| 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 | 97,894 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,377,753 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,536 |
| Flags of Africa Quiz | 0 | - | 5.00 | 465,073 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,913 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,736 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,494 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,669 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,422 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,875 |
| African Island Countries | 0 | - | 4.96 | 100,977 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,058 |
| Australian States and Territories | 0 | - | 4.96 | 141,150 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,076 |
| Australia True or False | 0 | - | 4.87 | 56,588 |
| Flags of North and South America | 0 | - | 4.99 | 368,800 |
