| Countries that Beat Switzerland | 0 | - | 4.88 | 41,852 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,704 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,628 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,371 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,040 |
| History of Italy | 0 | - | 4.55 | 31,981 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,815 |
| Regions of Italy | 0 | - | 4.92 | 75,954 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,711 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,179 |
| Official European Union Languages | 0 | - | 4.97 | 238,586 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,910 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,335 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,559 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,482 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,009 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,389 |
| Celtic Nations | 0 | - | 4.69 | 46,957 |
| Capitals of French Regions | 0 | - | 4.45 | 16,081 |
| Capitals of German States | 0 | - | 4.74 | 28,965 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,349 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,555 |
| Roman Emperors | 0 | - | 4.95 | 120,118 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,671 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,243 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,399 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,701 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,053 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 356,308 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,531 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,179 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,508 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,675 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,036 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,450 |
| History of Austria | 0 | - | 4.70 | 17,866 |
| Geography of the French Empire | 0 | - | 4.45 | 27,074 |
| The French Revolution | 0 | - | 4.47 | 23,959 |
| France Multiple Choice | 0 | - | 4.39 | 40,746 |
| States of Germany | 0 | - | 4.95 | 152,715 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,089 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,222 |
| The Vikings! | 0 | - | 4.46 | 28,349 |
| The Portuguese Empire | 0 | - | 4.58 | 12,067 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,043 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,247 |
| American to British Word Translation | 0 | - | 4.14 | 139,116 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,909 |
| Champions League Winners | 0 | - | 4.92 | 1,007,288 |
| Presidents of France | 0 | - | 4.25 | 24,154 |
| History of France | 0 | - | 4.59 | 57,030 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,169 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,050 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,609 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,660 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,728 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,062 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,403 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,955 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,212 |
| Slavic Languages | 0 | - | 4.68 | 54,383 |
| Departments of France | 0 | - | 4.93 | 54,191 |
| Italian Foods | 0 | - | 4.30 | 72,807 |
| The Mafia Quiz | 0 | - | 4.46 | 23,329 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,306 |
| England or Wales? | 0 | - | 4.94 | 45,717 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,462 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,286 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,480 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,783 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.40 | 23,488 |
| Geography of Germany | 0 | - | 4.35 | 17,190 |
| History of Spain | 0 | - | 4.23 | 21,093 |
| Languages of Spain | 0 | - | 4.36 | 23,326 |
| British to American Word Translation | 0 | - | 3.74 | 255,102 |
| British Foods by Description | 0 | - | 3.94 | 48,332 |
| British and American Word Differences | 0 | - | 2.63 | 46,884 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,600 |
| Bridges of London | 0 | - | 4.17 | 10,109 |
| British Sport Trivia | 0 | - | 4.37 | 20,465 |
| Famous Welsh People | 0 | - | 4.31 | 11,511 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,245 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,132 |
| History of Russia Quiz | 0 | - | 4.47 | 31,923 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,739 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,731 |
| Name that Greek Letter | 0 | - | 4.93 | 323,594 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,759 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,946 |
| Roman Names for Places | 0 | - | 4.62 | 58,310 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,877 |
| Europe Map Quiz | 0 | - | 5.00 | 4,764,483 |
| The Trojan War | 0 | - | 4.83 | 39,741 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,919 |
| Word Chain - Italy | 0 | - | 4.07 | 23,168 |
| British Noble Ranks | 0 | - | 3.85 | 20,446 |
| Africa Map Quiz | 0 | - | 5.00 | 2,118,541 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,637 |
| Australian Capitals | 0 | - | 4.92 | 62,730 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,389 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 119,600 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,105 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,734 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,602 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,771 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,616 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,921 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,769 |
| European Geography By Letter - V | 0 | - | 4.43 | 93,061 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,507 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,292 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,960 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,239 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,245 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,660 |
| Regions of France | 0 | - | 4.72 | 120,889 |
| France Immigration by Country | 0 | - | 4.70 | 76,549 |
| Famous Germans | 0 | - | 4.50 | 55,313 |
| German Groups of Things | 0 | - | 4.46 | 38,484 |
| Germany True or False? | 0 | - | 4.61 | 48,825 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,049 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,047 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,185 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,397 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,281 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,283 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,489 |
| Asia Map Quiz | 0 | - | 4.99 | 917,285 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,882 |
| African East Coast | 0 | - | 4.96 | 96,104 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,953 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,744 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,369 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,669 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,138 |
| European Physical Geography | 0 | - | 4.26 | 33,519 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,342 |
| Country Codes of Europe | 0 | - | 3.43 | 13,738 |
| The Only European Country ... | 0 | - | 4.91 | 216,788 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,219 |
| Geography of Russia | 0 | - | 4.57 | 21,538 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,974 |
| Ancient Greek Words | 0 | - | 4.93 | 111,659 |
| Italian History A-Z | 0 | - | 4.21 | 17,718 |
| Serie A Champions | 0 | - | 4.29 | 58,300 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,091 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,148 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,056 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,678 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,396 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,786 |
| Champions League Top 4 | 0 | - | 4.77 | 136,610 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,031 |
| Countries of Africa | 0 | - | 5.00 | 2,538,512 |
| Australia Map Quiz | 0 | - | 4.95 | 344,712 |
| United States Map Quiz | 0 | - | 4.98 | 4,159,145 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,583 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,847 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,010 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,129 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,802 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,608 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,246 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,798 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,970 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,689 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,246 |
| European Geography A-Z | 0 | - | 4.29 | 49,283 |
| Austria... or Australia? | 0 | - | 4.68 | 104,375 |
| Famous French People | 0 | - | 4.07 | 35,624 |
| Word Chain - France | 0 | - | 4.38 | 42,788 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,013 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,920 |
| Italian Inventions | 0 | - | 3.81 | 18,444 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,472 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,611 |
| History of The Netherlands | 0 | - | 4.46 | 17,441 |
| Canary Islands | 0 | - | 4.62 | 17,483 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,727 |
| British Spellings | 0 | - | 4.06 | 99,463 |
| British Groups of Things | 0 | - | 4.25 | 82,879 |
| British Acronyms | 0 | - | 4.40 | 45,805 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,039 |
| British Monopoly Board | 0 | - | 4.52 | 41,176 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,837 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,383,393 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,994 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,704 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,064 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,625 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,293 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,301 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,589 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,130 |
| African Island Countries | 0 | - | 4.96 | 101,678 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,493 |
| Australian States and Territories | 0 | - | 4.96 | 142,044 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,300 |
| Australia True or False | 0 | - | 4.87 | 56,880 |
| Flags of North and South America | 0 | - | 4.99 | 373,320 |
