| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,079 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,622 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,603 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,658 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,282 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,695 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 210,908 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,586 |
| Departments of France | 0 | - | 4.93 | 53,252 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,425 |
| Switzerland A-Z | 0 | - | 4.45 | 25,571 |
| England or Wales? | 0 | - | 4.94 | 45,474 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,836 |
| Official European Union Languages | 0 | - | 4.97 | 237,597 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,284 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,428 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,624 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,413 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,499 |
| The Trojan War | 0 | - | 4.83 | 39,550 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,113 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,262 |
| Roman Emperors | 0 | - | 4.95 | 119,177 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,734 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,661 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 65,362 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,014 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,200 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,327 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,997 |
| France A-Z | 0 | - | 4.16 | 38,109 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,187 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,731 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,333 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,313 |
| Celtic Nations | 0 | - | 4.69 | 46,871 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,660 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,115 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,095 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,969 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,432 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,292 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,019 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,801 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,432 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,586 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,790 |
| Famous Germans | 0 | - | 4.50 | 54,813 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,068 |
| Famous Irish People | 0 | - | 4.05 | 45,903 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,849 |
| UK Cities Map Quiz | 0 | - | 4.95 | 463,150 |
| London A-Z | 0 | - | 4.10 | 40,693 |
| Champions League Winners | 0 | - | 4.92 | 1,000,368 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,784 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,561 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,140 |
| Countries Bordering France | 0 | - | 4.83 | 401,009 |
| States of Germany | 0 | - | 4.96 | 150,993 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,329 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,931 |
| Regions of Italy | 0 | - | 4.92 | 75,139 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 44,084 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,809 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,118 |
| Switzerland Country Quiz | 0 | - | 4.51 | 63,115 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,613 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,165 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,421 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,845 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,089 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,709 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,668 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,354 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,082 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,421 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,643 |
| European Geography A-Z | 0 | - | 4.29 | 49,101 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,287 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,658 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,644 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,001 |
| Austria... or Australia? | 0 | - | 4.68 | 104,082 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,656 |
| Germany Country Quiz | 0 | - | 4.82 | 157,132 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,515 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,863 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,833 |
| Italy Country Quiz | 0 | - | 4.82 | 122,634 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,774 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,409 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,128 |
| The Mafia Quiz | 0 | - | 4.46 | 23,246 |
| History of The Netherlands | 0 | - | 4.46 | 17,353 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,371 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,007 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,393 |
| UK Immigration by Country | 0 | - | 4.94 | 140,063 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,864 |
| British Monopoly Board | 0 | - | 4.52 | 41,094 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,795 |
| Name the English Monarchs | 0 | - | 4.92 | 499,937 |
| Famous Scottish People | 0 | - | 4.22 | 18,352 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,187 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,626 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,256 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,791 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,295 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,098 |
| Slavic Languages | 0 | - | 4.68 | 54,143 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,521 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,010 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,140 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,687 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,964 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,851 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,786 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,305 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,729 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,385 |
| Name that Greek Letter | 0 | - | 4.93 | 322,475 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,222 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,530 |
| Counties of Ireland | 0 | - | 4.92 | 193,950 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,519 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,625 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,111 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,855 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,616 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,775 |
| Roman Names for Places | 0 | - | 4.62 | 58,040 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,938 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,332 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,531 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,180 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,641 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,552 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,964 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,622 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,406 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,569 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,819 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,021 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,993 |
| Africa A-Z | 0 | - | 4.57 | 46,491 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,541 |
| Famous Russians | 0 | - | 4.16 | 23,768 |
| History of Russia Quiz | 0 | - | 4.49 | 31,837 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,630 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,149 |
| Famous French People | 0 | - | 4.12 | 28,123 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,820 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,219 |
| History of Italy | 0 | - | 4.55 | 31,893 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,420 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,554 |
| Famous Nordic People | 0 | - | 4.34 | 19,970 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,331 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,564 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,087 |
| Geography of Spain | 0 | - | 4.59 | 22,015 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,497 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,899 |
| People on Money - England | 0 | - | 4.29 | 16,588 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,498 |
| British Geography A-Z | 0 | - | 4.41 | 19,464 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,602 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,119 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,327 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,931 |
| Europe Map Quiz | 0 | - | 5.00 | 4,744,502 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,121 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,756 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,065 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,105 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 27,868 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,216 |
| Capitals of French Regions | 0 | - | 4.45 | 16,016 |
| Regions of France | 0 | - | 4.77 | 119,892 |
| France Immigration by Country | 0 | - | 4.72 | 76,165 |
| Kings of France Quiz | 0 | - | 4.20 | 32,623 |
| German Groups of Things | 0 | - | 4.46 | 38,374 |
| Capitals of German States | 0 | - | 4.74 | 28,889 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,191 |
| Germany True or False? | 0 | - | 4.61 | 48,658 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,702 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,452 |
| Ancient Greek Words | 0 | - | 4.93 | 111,066 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,134 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,825 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,034 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,146 |
| British to American Food Translation | 0 | - | 3.38 | 51,906 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,810 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,351 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,452 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,962 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,099 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,944 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,515 |
