| European Countries by First 2 Letters | 0 | - | 4.95 | 532,801 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,129 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,808 |
| Official European Union Languages | 0 | - | 4.97 | 239,940 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,741 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,165 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,356 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,078 |
| Countries by National Anthem | 0 | - | 4.92 | 71,424 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,520 |
| Celtic Nations | 0 | - | 4.61 | 47,112 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,085 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,983 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,194 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,718 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,489 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,198 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,521 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,906 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,051 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,837 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,779 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,998 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,069 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,740 |
| States of Germany | 0 | - | 4.95 | 154,728 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,750 |
| Regions of Italy | 0 | - | 4.92 | 77,185 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,855 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,459 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,837 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,848 |
| Champions League Winners | 0 | - | 4.92 | 1,017,139 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,111 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,123 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,096 |
| Departments of France | 0 | - | 4.93 | 55,278 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,757 |
| England or Wales? | 0 | - | 4.94 | 45,995 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,322 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,759 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,726 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,389 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 123,196 |
| Slavic Languages | 0 | - | 4.67 | 54,738 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,751 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,649 |
| Twelve Days of Christmas | 0 | - | 4.45 | 146,254 |
| Rudolph the Red-Nosed Reindeer | 0 | - | 4.53 | 76,467 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,000 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,114 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,451 |
| Name that Greek Letter | 0 | - | 4.93 | 325,134 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,123 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,082 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,930 |
| History of Russia Quiz | 0 | - | 4.47 | 32,011 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,888 |
| The Trojan War | 0 | - | 4.83 | 40,023 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,079 |
| History of Italy | 0 | - | 4.55 | 32,166 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,447 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,644 |
| Roman Emperors | 0 | - | 4.95 | 121,326 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,836 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,450 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,376 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,881 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,531 |
| Australian Capitals | 0 | - | 4.92 | 62,847 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,298 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,693 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,189 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,508 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,224 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,722 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,251 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,861 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,143 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,738 |
| Europe Map Quiz | 0 | - | 5.00 | 4,790,877 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,545 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,214 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,480 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,445 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,537 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,584 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,766 |
| Countries that have Won the Most Eurovisions | 0 | - | 4.61 | 102,806 |
| Capitals of French Regions | 0 | - | 4.45 | 16,189 |
| Regions of France | 0 | - | 4.70 | 122,252 |
| France Immigration by Country | 0 | - | 4.70 | 76,972 |
| Famous Germans | 0 | - | 4.50 | 55,834 |
| German Groups of Things | 0 | - | 4.47 | 38,651 |
| Capitals of German States | 0 | - | 4.74 | 29,082 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,568 |
| Germany True or False? | 0 | - | 4.61 | 49,047 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,536 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,093 |
| Ancient Greek Words | 0 | - | 4.93 | 112,571 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,473 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,862 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,425 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,891 |
| Imagine Lyrics | 0 | - | 4.53 | 43,555 |
| Christmas Song Lyrics | 0 | - | 4.19 | 70,798 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,880 |
| America the Beautiful Lyrics | 0 | - | 4.27 | 19,798 |
| European Physical Geography | 0 | - | 4.26 | 33,609 |
| Geography of Russia | 0 | - | 4.57 | 21,613 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,145 |
| History of Austria | 0 | - | 4.70 | 17,983 |
| Geography of the French Empire | 0 | - | 4.45 | 27,223 |
| The French Revolution | 0 | - | 4.47 | 24,155 |
| France Multiple Choice | 0 | - | 4.39 | 40,864 |
| History of France | 0 | - | 4.61 | 57,679 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,566 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,097 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,563 |
| The Vikings! | 0 | - | 4.46 | 28,418 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,413 |
| The Portuguese Empire | 0 | - | 4.58 | 12,116 |
| American to British Word Translation | 0 | - | 4.14 | 139,771 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,080 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,405 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,833 |
| Beatles Lyrics First Names | 0 | - | 4.36 | 40,224 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 41,067 |
| Elton John Quiz | 0 | - | 4.49 | 18,528 |
| Champions League Top 4 | 0 | - | 4.78 | 139,378 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,969 |
| Asia Map Quiz | 0 | - | 4.99 | 926,001 |
| Africa Map Quiz | 0 | - | 5.00 | 2,129,825 |
| First Lines of Christmas Songs | 0 | - | 4.27 | 151,170 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,546 |
| Australia Map Quiz | 0 | - | 4.95 | 346,332 |
| United States Map Quiz | 0 | - | 4.98 | 4,172,578 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,170 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,961 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,046 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,428 |
| European Geography By Letter - E | 0 | - | 4.23 | 115,355 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,612 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,315 |
| European Geography By Letter - G | 0 | - | 4.27 | 104,084 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,674 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,312 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,703 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,672 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,917 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,977 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,352 |
| European Geography A-Z | 0 | - | 4.29 | 49,502 |
| Country Codes of Europe | 0 | - | 3.45 | 13,841 |
| The Only European Country ... | 0 | - | 4.91 | 219,337 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,700 |
| European Geographic Groups of Four | 0 | - | 4.56 | 20,357 |
| Austria... or Australia? | 0 | - | 4.67 | 104,800 |
| Famous French People | 0 | - | 4.05 | 36,130 |
| Presidents of France | 0 | - | 4.25 | 24,355 |
| Word Chain - France | 0 | - | 4.38 | 42,948 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,260 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,060 |
| Figures from Greek Mythology | 0 | - | 4.91 | 189,037 |
| Italian Foods | 0 | - | 4.30 | 73,325 |
| Countries Italy Declared War On | 0 | - | 4.74 | 47,240 |
| The Mafia Quiz | 0 | - | 4.46 | 23,445 |
| History of The Netherlands | 0 | - | 4.46 | 17,564 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,126 |
| Canary Islands | 0 | - | 4.62 | 17,545 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,110 |
| British Spellings | 0 | - | 4.06 | 99,618 |
| British Groups of Things | 0 | - | 4.26 | 83,032 |
| British Acronyms | 0 | - | 4.40 | 45,954 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,122 |
| British Monopoly Board | 0 | - | 4.52 | 41,281 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,177 |
| Geography of Scotland | 0 | - | 4.63 | 21,755 |
| Title in the Lyrics #2 - The Beatles | 0 | - | 4.57 | 94,343 |
| First Lines of Beatles Songs | 0 | - | 4.36 | 47,190 |
| Beatles Songs by Synopsis | 0 | - | 4.31 | 33,234 |
| Viva la Vida Lyrics | 0 | - | 4.38 | 50,157 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,058 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,671 |
| Countries of Africa | 0 | - | 5.00 | 2,562,624 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,141 |
| African East Coast | 0 | - | 4.96 | 96,866 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,732 |
| Christmas Carol Lyrics | 0 | - | 4.20 | 12,544 |
| Australian States and Territories | 0 | - | 4.96 | 142,956 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,520 |
| Australia True or False | 0 | - | 4.87 | 57,186 |
| Flags of North and South America | 0 | - | 4.99 | 377,576 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,052 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,927 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,761 |
| South America Map Quiz | 0 | - | 5.00 | 1,557,581 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,777 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,502 |
| North America Map Quiz | 0 | - | 4.98 | 252,433 |
