| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,750 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 525,920 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,238 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,054 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 79,595 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 208,936 |
| Departments of France | 0 | - | 4.93 | 52,583 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,333 |
| England or Wales? | 0 | - | 4.94 | 45,269 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,470 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,637 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,137 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,410 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,489 |
| Official European Union Languages | 0 | - | 4.97 | 236,268 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,559 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,700 |
| The Trojan War | 0 | - | 4.83 | 39,384 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,280 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 83,941 |
| Roman Emperors | 0 | - | 4.95 | 118,247 |
| Greenland Country Quiz | 0 | - | 4.83 | 36,070 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,468 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,520 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,544 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,943 |
| France A-Z | 0 | - | 4.16 | 38,035 |
| Switzerland A-Z | 0 | - | 4.45 | 25,481 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 348,866 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,219 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,265 |
| European Geography By Letter - B #1 | 0 | - | 4.64 | 110,777 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,730 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,589 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,119 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,561 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,590 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,561 |
| European Geography By Letter - V | 0 | - | 4.43 | 91,969 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,203 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,534 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,429 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,328 |
| Famous Germans | 0 | - | 4.50 | 54,540 |
| Germany Multiple Choice | 0 | - | 4.84 | 53,994 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,958 |
| Famous Irish People | 0 | - | 4.05 | 45,842 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,203 |
| UK Cities Map Quiz | 0 | - | 4.95 | 461,790 |
| London A-Z | 0 | - | 4.10 | 40,617 |
| Champions League Winners | 0 | - | 4.92 | 994,643 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,106 |
| Celtic Nations | 0 | - | 4.69 | 46,789 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,073 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,453 |
| Countries Bordering France | 0 | - | 4.86 | 394,074 |
| States of Germany | 0 | - | 4.96 | 149,652 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,870 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,513 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,470 |
| Regions of Italy | 0 | - | 4.92 | 74,552 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,697 |
| Famous Nordic People | 0 | - | 4.34 | 19,809 |
| The Vikings! | 0 | - | 4.45 | 28,233 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,067 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,023 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,383 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,910 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,123 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,365 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,814 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,182 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,407 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,070 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,861 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,252 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,457 |
| European Geography A-Z | 0 | - | 4.28 | 48,934 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,074 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,704 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,115 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 273,895 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,822 |
| Austria... or Australia? | 0 | - | 4.68 | 103,795 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,588 |
| France Cities Map Quiz | 0 | - | 4.96 | 164,999 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,436 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,732 |
| Germany Country Quiz | 0 | - | 4.82 | 156,348 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,024 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 93,923 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,729 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,737 |
| Counties of Ireland | 0 | - | 4.92 | 192,684 |
| Italy Country Quiz | 0 | - | 4.82 | 122,029 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,205 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 150,940 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,320 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,900 |
| The Mafia Quiz | 0 | - | 4.46 | 23,185 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,099 |
| History of The Netherlands | 0 | - | 4.46 | 17,293 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,348 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,844 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,439 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,633 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,064 |
| UK Immigration by Country | 0 | - | 4.94 | 139,446 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 137,897 |
| British Monopoly Board | 0 | - | 4.52 | 41,013 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,052 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,105 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,341 |
| Name the English Monarchs | 0 | - | 4.92 | 497,147 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,538 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,674 |
| Famous Scottish People | 0 | - | 4.22 | 18,317 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,203 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,587 |
| Word Scramble - European Countries | 0 | - | 4.74 | 140,880 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,695 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,035 |
| Slavic Languages | 0 | - | 4.67 | 53,916 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,340 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,360 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,200 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 640,906 |
| Name that Greek Letter | 0 | - | 4.94 | 321,338 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,759 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,398 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,400 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,766 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,486 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,628 |
| Roman Names for Places | 0 | - | 4.62 | 57,800 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,668 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,710 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,561 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,214 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,459 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,377 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,407 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,894 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,392 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,017 |
| Africa A-Z | 0 | - | 4.57 | 46,334 |
| Top European Languages on a Map | 0 | - | 4.77 | 130,945 |
| Famous Russians | 0 | - | 4.16 | 23,704 |
| History of Russia Quiz | 0 | - | 4.49 | 31,764 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,535 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,074 |
| Famous French People | 0 | - | 4.12 | 27,847 |
| Kings of France Quiz | 0 | - | 4.20 | 32,532 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,634 |
| Olympian Gods Quiz | 0 | - | 4.96 | 494,006 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,402 |
| Ancient Greek Words | 0 | - | 4.92 | 110,491 |
| History of Italy | 0 | - | 4.55 | 31,794 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,055 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,108 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,454 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,265 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,537 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,953 |
| Geography of Spain | 0 | - | 4.59 | 21,933 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,452 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,772 |
| People on Money - England | 0 | - | 4.29 | 16,555 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,246 |
| Name Every Beatles Song | 0 | - | 4.97 | 233,699 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,153 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,564 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,271 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,662 |
| Europe Map Quiz | 0 | - | 5.00 | 4,725,997 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,949 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,556 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,897 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,937 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,062 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,546 |
| Capitals of French Regions | 0 | - | 4.45 | 15,976 |
| Regions of France | 0 | - | 4.78 | 118,951 |
| France Immigration by Country | 0 | - | 4.72 | 75,884 |
| German Groups of Things | 0 | - | 4.46 | 38,278 |
| Capitals of German States | 0 | - | 4.74 | 28,787 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,055 |
| Germany True or False? | 0 | - | 4.61 | 48,499 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,352 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 432,955 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,529 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,678 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,017 |
| British to American Food Translation | 0 | - | 3.38 | 51,799 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,826 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,367 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,755 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,336 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,096 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,508 |
