| Countries that Beat Switzerland | 0 | - | 4.88 | 41,604 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,711 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,452 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,085 |
| History of Italy | 0 | - | 4.55 | 31,850 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,264 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,602 |
| Regions of Italy | 0 | - | 4.92 | 74,882 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,565 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,681 |
| Official European Union Languages | 0 | - | 4.97 | 237,156 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,021 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,617 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,396 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,275 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,589 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,258 |
| Celtic Nations | 0 | - | 4.69 | 46,836 |
| Capitals of French Regions | 0 | - | 4.45 | 15,995 |
| Capitals of German States | 0 | - | 4.74 | 28,844 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,125 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,123 |
| Roman Emperors | 0 | - | 4.95 | 118,658 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,503 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,011 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,935 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,153 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,505 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,695 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,641 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,460 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,329 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,195 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,415 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,945 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,448 |
| History of Austria | 0 | - | 4.70 | 17,769 |
| Geography of the French Empire | 0 | - | 4.45 | 26,956 |
| The French Revolution | 0 | - | 4.46 | 23,810 |
| France Multiple Choice | 0 | - | 4.38 | 40,650 |
| States of Germany | 0 | - | 4.96 | 150,413 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,399 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,130 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,923 |
| The Vikings! | 0 | - | 4.46 | 28,259 |
| The Portuguese Empire | 0 | - | 4.54 | 12,004 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,554 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,448 |
| American to British Word Translation | 0 | - | 4.12 | 136,169 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,748 |
| Champions League Winners | 0 | - | 4.92 | 997,681 |
| Presidents of France | 0 | - | 4.25 | 23,930 |
| History of France | 0 | - | 4.59 | 56,249 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,676 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,970 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,473 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,610 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,069 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,299 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,853 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,482 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,416 |
| Slavic Languages | 0 | - | 4.67 | 54,039 |
| Departments of France | 0 | - | 4.93 | 52,978 |
| Italian Foods | 0 | - | 4.31 | 72,277 |
| The Mafia Quiz | 0 | - | 4.46 | 23,215 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,076 |
| England or Wales? | 0 | - | 4.94 | 45,384 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,716 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,722 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,922 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,549 |
| Geography of Germany | 0 | - | 4.35 | 17,107 |
| History of Spain | 0 | - | 4.29 | 21,016 |
| Languages of Spain | 0 | - | 4.36 | 23,167 |
| British to American Word Translation | 0 | - | 3.75 | 254,677 |
| British Foods by Description | 0 | - | 3.94 | 48,269 |
| British and American Word Differences | 0 | - | 2.65 | 46,743 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,524 |
| Bridges of London | 0 | - | 4.17 | 10,065 |
| British Sport Trivia | 0 | - | 4.37 | 20,379 |
| Famous Welsh People | 0 | - | 4.21 | 9,779 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,309 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,269 |
| History of Russia Quiz | 0 | - | 4.49 | 31,804 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,595 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,804 |
| Name that Greek Letter | 0 | - | 4.94 | 321,918 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,568 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,724 |
| Roman Names for Places | 0 | - | 4.62 | 57,927 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,609 |
| Europe Map Quiz | 0 | - | 5.00 | 4,735,676 |
| The Trojan War | 0 | - | 4.83 | 39,475 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,741 |
| Word Chain - Italy | 0 | - | 4.07 | 23,101 |
| British Noble Ranks | 0 | - | 3.85 | 20,379 |
| Africa Map Quiz | 0 | - | 5.00 | 2,106,095 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,274 |
| Australian Capitals | 0 | - | 4.92 | 62,608 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,495 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,979 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,940 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,793 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,300 |
| European Geography By Letter - M | 0 | - | 4.61 | 129,050 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,838 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,691 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,071 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,395 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,026 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,662 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,985 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,023 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,656 |
| Regions of France | 0 | - | 4.78 | 119,480 |
| France Immigration by Country | 0 | - | 4.72 | 76,029 |
| Famous Germans | 0 | - | 4.50 | 54,686 |
| German Groups of Things | 0 | - | 4.46 | 38,328 |
| Germany True or False? | 0 | - | 4.61 | 48,569 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,557 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,016 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,119 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,898 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,085 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,075 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,959 |
| Asia Map Quiz | 0 | - | 4.99 | 908,121 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,933 |
| African East Coast | 0 | - | 4.96 | 95,178 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,050 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,942 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,418 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,332 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,298 |
| European Physical Geography | 0 | - | 4.26 | 33,385 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,792 |
| Country Codes of Europe | 0 | - | 3.46 | 13,661 |
| The Only European Country ... | 0 | - | 4.91 | 214,226 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,800 |
| Geography of Russia | 0 | - | 4.57 | 21,441 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,804 |
| Ancient Greek Words | 0 | - | 4.92 | 110,828 |
| Italian History A-Z | 0 | - | 4.21 | 17,567 |
| Serie A Champions | 0 | - | 4.29 | 57,799 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,977 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,736 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,300 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,413 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,378 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,473 |
| Champions League Top 4 | 0 | - | 4.77 | 134,143 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,637 |
| Countries of Africa | 0 | - | 5.00 | 2,511,877 |
| Australia Map Quiz | 0 | - | 4.94 | 342,741 |
| United States Map Quiz | 0 | - | 4.98 | 4,143,879 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,616 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,289 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,726 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,960 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,348 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,554 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,229 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,974 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,340 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,438 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,554 |
| European Geography A-Z | 0 | - | 4.28 | 49,038 |
| Austria... or Australia? | 0 | - | 4.68 | 103,941 |
| Word Chain - France | 0 | - | 4.38 | 42,607 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,807 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,796 |
| Italian Inventions | 0 | - | 3.81 | 18,416 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,329 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,475 |
| History of The Netherlands | 0 | - | 4.46 | 17,335 |
| Canary Islands | 0 | - | 4.61 | 17,418 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,228 |
| British Spellings | 0 | - | 4.07 | 99,279 |
| British Groups of Things | 0 | - | 4.25 | 82,715 |
| British Acronyms | 0 | - | 4.39 | 45,649 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,969 |
| British Monopoly Board | 0 | - | 4.52 | 41,064 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,890 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,499 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,374 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,800 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,670 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,408 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,600 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,322 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,700 |
| African Island Countries | 0 | - | 4.96 | 100,902 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,890 |
| Australian States and Territories | 0 | - | 4.96 | 141,049 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,052 |
| Australia True or False | 0 | - | 4.87 | 56,555 |
| Flags of North and South America | 0 | - | 4.99 | 368,239 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,212 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,267 |
