| European Countries by First 2 Letters | 0 | - | 4.95 | 530,554 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,318 |
| Official European Union Languages | 0 | - | 4.97 | 238,907 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,125 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,013 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,106 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,914 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,429 |
| Celtic Nations | 0 | - | 4.69 | 46,996 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,534 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,214 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,968 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,470 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,193 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,131 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,385 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,575 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 86,173 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,294 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,991 |
| States of Germany | 0 | - | 4.95 | 153,161 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,278 |
| Regions of Italy | 0 | - | 4.92 | 76,227 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,418 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,385 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,414 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,988 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,072 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,752 |
| Champions League Winners | 0 | - | 4.92 | 1,009,796 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,644 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,674 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,870 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,589 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,897 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,357 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,614 |
| Slavic Languages | 0 | - | 4.67 | 54,465 |
| Departments of France | 0 | - | 4.93 | 54,455 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,664 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,613 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,515 |
| England or Wales? | 0 | - | 4.94 | 45,794 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,985 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,588 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,631 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,851 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,683 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,342 |
| History of Russia Quiz | 0 | - | 4.47 | 31,949 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,773 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,843 |
| Name that Greek Letter | 0 | - | 4.93 | 324,157 |
| History of Italy | 0 | - | 4.55 | 32,053 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,950 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,719 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,295 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,869 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,962 |
| Europe Map Quiz | 0 | - | 5.00 | 4,770,830 |
| Capitals of French Regions | 0 | - | 4.45 | 16,108 |
| Capitals of German States | 0 | - | 4.74 | 28,990 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,399 |
| The Trojan War | 0 | - | 4.83 | 39,797 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,235 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,647 |
| Roman Emperors | 0 | - | 4.95 | 120,386 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,082 |
| Africa Map Quiz | 0 | - | 5.00 | 2,121,647 |
| Oceania Map Quiz | 0 | - | 4.98 | 650,219 |
| Australian Capitals | 0 | - | 4.92 | 62,753 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,918 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 120,325 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,715 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,268 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,953 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,274 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 97,903 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,177 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,984 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,261 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,807 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,353 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,009 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,299 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,291 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,864 |
| Regions of France | 0 | - | 4.72 | 121,223 |
| France Immigration by Country | 0 | - | 4.70 | 76,679 |
| Famous Germans | 0 | - | 4.50 | 55,525 |
| German Groups of Things | 0 | - | 4.46 | 38,524 |
| Germany True or False? | 0 | - | 4.61 | 48,891 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,137 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,854 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,774 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,494 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,339 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,439 |
| Imagine Lyrics | 0 | - | 4.53 | 43,396 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,697 |
| Asia Map Quiz | 0 | - | 4.99 | 919,567 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,098 |
| African East Coast | 0 | - | 4.96 | 96,279 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,139 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,898 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,788 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,740 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,555 |
| European Physical Geography | 0 | - | 4.26 | 33,541 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,665 |
| Country Codes of Europe | 0 | - | 3.43 | 13,748 |
| The Only European Country ... | 0 | - | 4.91 | 217,374 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,571 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 28,298 |
| Geography of Russia | 0 | - | 4.57 | 21,555 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,015 |
| History of Austria | 0 | - | 4.70 | 17,902 |
| Presidents of France | 0 | - | 4.25 | 24,204 |
| Geography of the French Empire | 0 | - | 4.45 | 27,155 |
| The French Revolution | 0 | - | 4.47 | 24,063 |
| France Multiple Choice | 0 | - | 4.39 | 40,772 |
| History of France | 0 | - | 4.59 | 57,268 |
| Ancient Greek Words | 0 | - | 4.93 | 111,898 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,276 |
| The Vikings! | 0 | - | 4.46 | 28,368 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,209 |
| The Portuguese Empire | 0 | - | 4.58 | 12,082 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,067 |
| American to British Word Translation | 0 | - | 4.14 | 139,302 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,944 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,152 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,717 |
| Beatles Lyrics First Names | 0 | - | 4.33 | 38,779 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 40,816 |
| Elton John Quiz | 0 | - | 4.49 | 18,488 |
| Champions League Top 4 | 0 | - | 4.77 | 137,271 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,281 |
| Countries by National Anthem | 0 | - | 4.93 | 71,291 |
| Countries of Africa | 0 | - | 5.00 | 2,544,734 |
| Australia Map Quiz | 0 | - | 4.95 | 345,125 |
| United States Map Quiz | 0 | - | 4.98 | 4,163,459 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,023 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,217 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,578 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,427 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,121 |
| European Geography By Letter - I | 0 | - | 4.09 | 95,864 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,497 |
| European Geography By Letter - O | 0 | - | 4.29 | 62,985 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,126 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,748 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,415 |
| European Geography A-Z | 0 | - | 4.29 | 49,361 |
| Austria... or Australia? | 0 | - | 4.68 | 104,499 |
| Famous French People | 0 | - | 4.07 | 35,845 |
| Word Chain - France | 0 | - | 4.38 | 42,840 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,073 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,947 |
| Italian Foods | 0 | - | 4.30 | 72,934 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,411 |
| The Mafia Quiz | 0 | - | 4.46 | 23,369 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,979 |
| History of The Netherlands | 0 | - | 4.46 | 17,481 |
| Canary Islands | 0 | - | 4.62 | 17,491 |
| Switzerland Immigration by Country | 0 | - | 4.68 | 29,827 |
| British Spellings | 0 | - | 4.06 | 99,507 |
| British Groups of Things | 0 | - | 4.25 | 82,907 |
| British Acronyms | 0 | - | 4.40 | 45,849 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,054 |
| British Monopoly Board | 0 | - | 4.52 | 41,194 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,940 |
| Beatles Songs by Synopsis | 0 | - | 4.31 | 33,039 |
| Viva la Vida Lyrics | 0 | - | 4.37 | 49,952 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,812 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,097 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,118 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,338 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,791 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,473 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,433 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,829 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,446 |
| African Island Countries | 0 | - | 4.96 | 101,866 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,823 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,412 |
| Australian States and Territories | 0 | - | 4.96 | 142,224 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,363 |
| Australia True or False | 0 | - | 4.87 | 56,952 |
| Flags of North and South America | 0 | - | 4.99 | 374,265 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,708 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,393 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,103 |
| South America Map Quiz | 0 | - | 5.00 | 1,551,704 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,639 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,731 |
| North America Map Quiz | 0 | - | 4.98 | 249,442 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,805 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,619 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,661 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,300 |
