| Germany Multiple Choice | 0 | - | 4.84 | 54,721 |
| Regions of Italy | 0 | - | 4.92 | 77,191 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,453 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,818 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,494 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,169 |
| States of Germany | 0 | - | 4.95 | 154,761 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,757 |
| History of Italy | 0 | - | 4.55 | 32,167 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,862 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,478 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,843 |
| 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 | 90,480 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,760 |
| 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 | 239,954 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,749 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,188 |
| France Multiple Choice | 0 | - | 4.39 | 40,866 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,751 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,360 |
| Italian Foods | 0 | - | 4.30 | 73,328 |
| The Mafia Quiz | 0 | - | 4.46 | 23,445 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,648 |
| Roman Emperors | 0 | - | 4.95 | 121,340 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,081 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,889 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,837 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,453 |
| 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 | 47,115 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,089 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,997 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,230 |
| Regions of France | 0 | - | 4.70 | 122,258 |
| France Immigration by Country | 0 | - | 4.70 | 76,977 |
| Famous Germans | 0 | - | 4.50 | 55,838 |
| German Groups of Things | 0 | - | 4.47 | 38,651 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,542 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,869 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,425 |
| Counties of England | 0 | - | 4.97 | 803,710 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,897 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,246 |
| Australia... or New Zealand? | 0 | - | 4.83 | 62,068 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,060 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,845 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,010 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,087 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,755 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,749 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,923 |
| Word Chain - Italy | 0 | - | 4.07 | 23,227 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,171 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,120 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,563 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,582 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,180 |
| Champions League Winners | 0 | - | 4.92 | 1,017,200 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,783 |
| History of Austria | 0 | - | 4.70 | 17,986 |
| Geography of the French Empire | 0 | - | 4.45 | 27,224 |
| The French Revolution | 0 | - | 4.47 | 24,158 |
| History of France | 0 | - | 4.61 | 57,682 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,568 |
| The Vikings! | 0 | - | 4.46 | 28,419 |
| The Portuguese Empire | 0 | - | 4.58 | 12,116 |
| American to British Word Translation | 0 | - | 4.14 | 139,775 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,081 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,472 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,134 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,156 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,114 |
| Famous French People | 0 | - | 4.05 | 36,133 |
| Departments of France | 0 | - | 4.93 | 55,289 |
| Word Chain - France | 0 | - | 4.38 | 42,950 |
| Countries Italy Declared War On | 0 | - | 4.74 | 47,397 |
| History of The Netherlands | 0 | - | 4.46 | 17,565 |
| Canary Islands | 0 | - | 4.62 | 17,545 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,116 |
| British Spellings | 0 | - | 4.06 | 99,619 |
| British Groups of Things | 0 | - | 4.26 | 83,033 |
| British Acronyms | 0 | - | 4.40 | 45,954 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,123 |
| 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 | 132,336 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,760 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,730 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,394 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 123,290 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,004 |
| Slavic Languages | 0 | - | 4.67 | 54,741 |
| 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 | 652,502 |
| Name that Greek Letter | 0 | - | 4.93 | 325,151 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,343 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,243 |
| Roman Names for Places | 0 | - | 4.62 | 58,753 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,651 |
| History of Spain | 0 | - | 4.23 | 21,171 |
| Languages of Spain | 0 | - | 4.36 | 23,455 |
| British to American Word Translation | 0 | - | 3.74 | 255,375 |
| British Foods by Description | 0 | - | 3.94 | 48,398 |
| British and American Word Differences | 0 | - | 2.63 | 46,936 |
| British Geography Quiz #2 | 0 | - | 4.30 | 28,240 |
| 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 | 31,249 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,727 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,946 |
| 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 | 47,751 |
| 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 | 35,607 |
| The Trojan War | 0 | - | 4.83 | 40,029 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,086 |
| 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 | 60,122 |
| 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 | 280,888 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,852 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,557 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,303 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,705 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,202 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,549 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,236 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,733 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,257 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,867 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,146 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,745 |
| Europe Map Quiz | 0 | - | 5.00 | 4,791,142 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,547 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,219 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,482 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,448 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,539 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,589 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,770 |
| Capitals of French Regions | 0 | - | 4.45 | 16,191 |
| Capitals of German States | 0 | - | 4.74 | 29,083 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,570 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,145 |
| Ancient Greek Words | 0 | - | 4.93 | 112,588 |
| Roman History Vocabulary | 0 | - | 4.41 | 57,734 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,272 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,541 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,914 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,906 |
| Australian Capitals | 0 | - | 4.92 | 62,850 |
| European Physical Geography | 0 | - | 4.26 | 33,610 |
| Geography of Russia | 0 | - | 4.57 | 21,613 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,147 |
| Italian History A-Z | 0 | - | 4.16 | 17,948 |
| Serie A Champions | 0 | - | 4.29 | 58,852 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,190 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,415 |
| 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 | 123,327 |
| Geography of the British Empire | 0 | - | 4.48 | 39,862 |
| Champions League Top 4 | 0 | - | 4.78 | 139,393 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,053 |
| Asia Map Quiz | 0 | - | 4.99 | 926,072 |
| Africa Map Quiz | 0 | - | 5.00 | 2,129,925 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,550 |
| Australia Map Quiz | 0 | - | 4.95 | 346,339 |
| United States Map Quiz | 0 | - | 4.98 | 4,172,692 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,183 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,963 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,065 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,444 |
| European Geography By Letter - E | 0 | - | 4.23 | 115,363 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,617 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,321 |
| European Geography By Letter - G | 0 | - | 4.27 | 104,092 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,678 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,318 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,705 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,676 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,917 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,978 |
