| European Countries by First 2 Letters | 0 | - | 4.95 | 526,631 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,422 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,301 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,374 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,917 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,483 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,832 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,770 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,346 |
| Departments of France | 0 | - | 4.93 | 52,933 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,389 |
| Name the English Monarchs | 0 | - | 4.92 | 498,451 |
| England or Wales? | 0 | - | 4.94 | 45,364 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,645 |
| Official European Union Languages | 0 | - | 4.97 | 237,075 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,825 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,521 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,542 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,276 |
| The Trojan War | 0 | - | 4.83 | 39,467 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,706 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,115 |
| Roman Emperors | 0 | - | 4.95 | 118,614 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,268 |
| British Monopoly Board | 0 | - | 4.52 | 41,044 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,574 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,003 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,589 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,917 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,071 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,223 |
| France A-Z | 0 | - | 4.16 | 38,076 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,069 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,481 |
| Spanish History A-Z | 0 | - | 4.37 | 19,163 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,515 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,254 |
| Celtic Nations | 0 | - | 4.69 | 46,829 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,463 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,960 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,913 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,765 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,276 |
| European Geography By Letter - M | 0 | - | 4.61 | 129,005 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,721 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,677 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,058 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,372 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,638 |
| Famous Germans | 0 | - | 4.50 | 54,663 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,005 |
| Famous Irish People | 0 | - | 4.05 | 45,867 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,610 |
| Geography of Spain | 0 | - | 4.59 | 21,978 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,081 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,396 |
| London A-Z | 0 | - | 4.10 | 40,656 |
| Champions League Winners | 0 | - | 4.92 | 997,371 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,449 |
| Monarchies of Europe | 0 | - | 4.90 | 97,402 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,292 |
| Countries Bordering France | 0 | - | 4.83 | 399,950 |
| Kings of France Quiz | 0 | - | 4.20 | 32,576 |
| States of Germany | 0 | - | 4.96 | 150,303 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,113 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,280 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,579 |
| Regions of Italy | 0 | - | 4.92 | 74,833 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,899 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,731 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,549 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,389 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,555 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,057 |
| Monarchies of Asia | 0 | - | 4.97 | 70,650 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,470 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,179 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,155 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,560 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,270 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,708 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,942 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,328 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,537 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,202 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,958 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,328 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,543 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,324 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,185 |
| European Geography A-Z | 0 | - | 4.28 | 49,029 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,188 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,432 |
| Austria... or Australia? | 0 | - | 4.68 | 103,924 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,332 |
| Germany Country Quiz | 0 | - | 4.82 | 156,704 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,264 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,802 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,785 |
| Italy Country Quiz | 0 | - | 4.82 | 122,331 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,522 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,188 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,013 |
| The Mafia Quiz | 0 | - | 4.46 | 23,212 |
| History of The Netherlands | 0 | - | 4.46 | 17,326 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,967 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,153 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,736 |
| Canary Islands | 0 | - | 4.61 | 17,412 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,066 |
| British Acronyms | 0 | - | 4.39 | 45,640 |
| UK Immigration by Country | 0 | - | 4.94 | 139,785 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,365 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,453 |
| Famous Scottish People | 0 | - | 4.22 | 18,335 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,661 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,527 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,821 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,654 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,150 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,392 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,462 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,608 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,045 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,237 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,180 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,886 |
| Slavic Languages | 0 | - | 4.67 | 54,027 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,436 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,560 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,845 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,821 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,969 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,576 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,848 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,481 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,552 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,585 |
| Name that Greek Letter | 0 | - | 4.94 | 321,843 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,977 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,468 |
| Counties of Ireland | 0 | - | 4.92 | 193,250 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,446 |
| Italian History A-Z | 0 | - | 4.21 | 17,546 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,501 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,941 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,443 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,565 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,705 |
| Roman Names for Places | 0 | - | 4.62 | 57,915 |
| History of Spain | 0 | - | 4.29 | 21,011 |
| Languages of Spain | 0 | - | 4.36 | 23,162 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,442 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,518 |
| Switzerland A-Z | 0 | - | 4.45 | 25,523 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,467 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,929 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,372 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,813 |
| British Geography A-Z | 0 | - | 4.40 | 19,420 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,477 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,478 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,633 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,336 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,812 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,837 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,969 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,775 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,448 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,591 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,228 |
| History of Russia Quiz | 0 | - | 4.49 | 31,803 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,588 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,109 |
| Famous French People | 0 | - | 4.12 | 27,991 |
| French History A-Z | 0 | - | 4.22 | 23,566 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,745 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,856 |
| History of Italy | 0 | - | 4.55 | 31,842 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,231 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,496 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,293 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,479 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,823 |
| People on Money - England | 0 | - | 4.29 | 16,570 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,366 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,585 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 51,996 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,685 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,894 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,792 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,487 |
| Europe Map Quiz | 0 | - | 5.00 | 4,734,349 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,020 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,651 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,976 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,015 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,774 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,198 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,657 |
