| Germany Multiple Choice | 0 | - | 4.84 | 54,721 |
| Regions of Italy | 0 | - | 4.92 | 77,190 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,451 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,814 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,491 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,147 |
| States of Germany | 0 | - | 4.95 | 154,758 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,754 |
| History of Italy | 0 | - | 4.55 | 32,166 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,860 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,475 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,841 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,848 |
| Germany True or False? | 0 | - | 4.61 | 49,047 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,478 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,758 |
| England or Wales? | 0 | - | 4.94 | 45,997 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,810 |
| Official European Union Languages | 0 | - | 4.97 | 239,952 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,747 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,180 |
| France Multiple Choice | 0 | - | 4.39 | 40,865 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,751 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,359 |
| Italian Foods | 0 | - | 4.30 | 73,326 |
| The Mafia Quiz | 0 | - | 4.46 | 23,445 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,646 |
| Roman Emperors | 0 | - | 4.95 | 121,337 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,079 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,889 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,836 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,451 |
| Australia True or False | 0 | - | 4.87 | 57,187 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,521 |
| Celtic Nations | 0 | - | 4.61 | 47,114 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,088 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,995 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,221 |
| Regions of France | 0 | - | 4.70 | 122,254 |
| France Immigration by Country | 0 | - | 4.70 | 76,976 |
| Famous Germans | 0 | - | 4.50 | 55,836 |
| German Groups of Things | 0 | - | 4.47 | 38,651 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,538 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,864 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,425 |
| Counties of England | 0 | - | 4.97 | 803,681 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,894 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,229 |
| Australia... or New Zealand? | 0 | - | 4.83 | 62,068 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,055 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,841 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,003 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,083 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,751 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,745 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,921 |
| Word Chain - Italy | 0 | - | 4.07 | 23,227 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,170 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,113 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,563 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,580 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,171 |
| Champions League Winners | 0 | - | 4.92 | 1,017,174 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,781 |
| History of Austria | 0 | - | 4.70 | 17,984 |
| Geography of the French Empire | 0 | - | 4.45 | 27,224 |
| The French Revolution | 0 | - | 4.47 | 24,156 |
| History of France | 0 | - | 4.61 | 57,680 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,567 |
| The Vikings! | 0 | - | 4.46 | 28,418 |
| The Portuguese Empire | 0 | - | 4.58 | 12,116 |
| American to British Word Translation | 0 | - | 4.14 | 139,772 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,080 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,471 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,127 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,145 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,112 |
| Famous French People | 0 | - | 4.05 | 36,131 |
| Departments of France | 0 | - | 4.93 | 55,283 |
| Word Chain - France | 0 | - | 4.38 | 42,949 |
| Countries Italy Declared War On | 0 | - | 4.74 | 47,343 |
| History of The Netherlands | 0 | - | 4.46 | 17,564 |
| Canary Islands | 0 | - | 4.62 | 17,545 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,111 |
| 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 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,178 |
| Geography of Scotland | 0 | - | 4.63 | 21,755 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,333 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,760 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,728 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,393 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 123,257 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,003 |
| Slavic Languages | 0 | - | 4.67 | 54,739 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,116 |
| Geography of Germany | 0 | - | 4.35 | 17,297 |
| History of Germany | 0 | - | 4.39 | 52,990 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,485 |
| Name that Greek Letter | 0 | - | 4.93 | 325,145 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,342 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,242 |
| Roman Names for Places | 0 | - | 4.62 | 58,751 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,649 |
| History of Spain | 0 | - | 4.23 | 21,171 |
| Languages of Spain | 0 | - | 4.36 | 23,455 |
| British to American Word Translation | 0 | - | 3.74 | 255,374 |
| British Foods by Description | 0 | - | 3.94 | 48,397 |
| British and American Word Differences | 0 | - | 2.63 | 46,936 |
| British Geography Quiz #2 | 0 | - | 4.30 | 28,238 |
| Bridges of London | 0 | - | 4.17 | 10,149 |
| British Sport Trivia | 0 | - | 4.39 | 20,539 |
| Famous Welsh People | 0 | - | 4.34 | 11,707 |
| Malta Country Quiz | 0 | - | 4.81 | 31,248 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,725 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,939 |
| History of Russia Quiz | 0 | - | 4.47 | 32,012 |
| Movies Set in France | 0 | - | 4.26 | 13,156 |
| French Inventions | 0 | - | 4.10 | 13,930 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,750 |
| History of Paris | 0 | - | 4.24 | 13,684 |
| Word Chain - Germany | 0 | - | 4.31 | 22,693 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,603 |
| The Trojan War | 0 | - | 4.83 | 40,026 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,085 |
| Italian Inventions | 0 | - | 3.81 | 18,480 |
| Famous Nordic People | 0 | - | 4.34 | 20,324 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,646 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,120 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,419 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,583 |
| People on Money - England | 0 | - | 4.29 | 16,647 |
| Name a Valid English City | 0 | - | 4.19 | 16,834 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,887 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,852 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,551 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,300 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,699 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,195 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,536 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,230 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,728 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,252 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,863 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,144 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,742 |
| Europe Map Quiz | 0 | - | 5.00 | 4,791,048 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,546 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,219 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,480 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,447 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,537 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,586 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,768 |
| Capitals of French Regions | 0 | - | 4.45 | 16,190 |
| Capitals of German States | 0 | - | 4.74 | 29,083 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,569 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,128 |
| Ancient Greek Words | 0 | - | 4.93 | 112,576 |
| Roman History Vocabulary | 0 | - | 4.41 | 57,734 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,272 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,535 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,913 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,899 |
| Australian Capitals | 0 | - | 4.92 | 62,848 |
| European Physical Geography | 0 | - | 4.26 | 33,610 |
| Geography of Russia | 0 | - | 4.57 | 21,613 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,145 |
| Italian History A-Z | 0 | - | 4.16 | 17,947 |
| Serie A Champions | 0 | - | 4.29 | 58,851 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,188 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,413 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,406 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,833 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,480 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,324 |
| Geography of the British Empire | 0 | - | 4.48 | 39,862 |
| Champions League Top 4 | 0 | - | 4.78 | 139,387 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,047 |
| Asia Map Quiz | 0 | - | 4.99 | 926,053 |
| Africa Map Quiz | 0 | - | 5.00 | 2,129,877 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,549 |
| Australia Map Quiz | 0 | - | 4.95 | 346,338 |
| United States Map Quiz | 0 | - | 4.98 | 4,172,658 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,177 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,963 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,060 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,437 |
| European Geography By Letter - E | 0 | - | 4.23 | 115,359 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,614 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,318 |
| European Geography By Letter - G | 0 | - | 4.27 | 104,088 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,676 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,313 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,704 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,674 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,917 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,977 |
