| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,471 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,431 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,307 |
| France A-Z | 0 | - | 4.16 | 38,084 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,092 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,751 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,015 |
| British Geography A-Z | 0 | - | 4.41 | 19,435 |
| London A-Z | 0 | - | 4.10 | 40,668 |
| European Geography A-Z | 0 | - | 4.28 | 49,042 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,341 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,969 |
| States of Germany | 0 | - | 4.96 | 150,469 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,139 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,617 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,092 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,184 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,538 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,508 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,989 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,952 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,805 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,308 |
| European Geography By Letter - M | 0 | - | 4.61 | 129,066 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,919 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,698 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,074 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,408 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,662 |
| Famous Germans | 0 | - | 4.50 | 54,698 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,204 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,901 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,446 |
| Departments of France | 0 | - | 4.93 | 52,992 |
| German History A-Z | 0 | - | 4.49 | 24,448 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,400 |
| Name the English Monarchs | 0 | - | 4.92 | 498,746 |
| England or Wales? | 0 | - | 4.94 | 45,390 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,059 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,691 |
| Official European Union Languages | 0 | - | 4.97 | 237,179 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,034 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,672 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,552 |
| Italian History A-Z | 0 | - | 4.21 | 17,573 |
| Spanish History A-Z | 0 | - | 4.37 | 19,181 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,165 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,353 |
| The Trojan War | 0 | - | 4.83 | 39,478 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,761 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,132 |
| Roman Emperors | 0 | - | 4.95 | 118,673 |
| British Monopoly Board | 0 | - | 4.52 | 41,067 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,296 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,735 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,970 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,381 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,562 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,240 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,988 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,344 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,596 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,560 |
| French History A-Z | 0 | - | 4.22 | 23,931 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,606 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,943 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,216 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,556 |
| Switzerland A-Z | 0 | - | 4.45 | 25,533 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,794 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,259 |
| Celtic Nations | 0 | - | 4.69 | 46,837 |
| German Groups of Things | 0 | - | 4.46 | 38,335 |
| Capitals of German States | 0 | - | 4.74 | 28,847 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,132 |
| Germany True or False? | 0 | - | 4.61 | 48,575 |
| Famous Irish People | 0 | - | 4.05 | 45,874 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,659 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,092 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,580 |
| Champions League Winners | 0 | - | 4.92 | 997,806 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,884 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,440 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,206 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,612 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,116 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,761 |
| Countries that Start with A | 0 | - | 4.98 | 2,149,345 |
| Countries that Start with B | 0 | - | 4.95 | 2,282,055 |
| Countries that Start with C | 0 | - | 4.96 | 1,812,114 |
| Countries that Start with D | 0 | - | 4.96 | 702,767 |
| Countries that Start with E | 0 | - | 4.95 | 1,368,981 |
| Countries that Start with G | 0 | - | 4.97 | 1,494,372 |
| Countries that Start with H | 0 | - | 4.96 | 598,929 |
| Countries that Start with I | 0 | - | 4.92 | 1,281,467 |
| Countries that Start with J | 0 | - | 4.98 | 596,986 |
| Countries that Start with K | 0 | - | 4.97 | 810,315 |
| Countries that Start with L | 0 | - | 4.98 | 1,084,035 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,927 |
| Countries that Start with P | 0 | - | 4.94 | 1,209,643 |
| Countries that Start with S | 0 | - | 4.98 | 1,746,134 |
| Countries that Start with T | 0 | - | 4.90 | 1,005,048 |
| Countries that Start with U | 0 | - | 4.97 | 900,611 |
| Countries that Start with V | 0 | - | 4.98 | 605,716 |
| Countries that Start with F | 0 | - | 4.83 | 613,013 |
| Countries that Start with M | 0 | - | 4.97 | 1,374,618 |
| African Geography A-Z | 0 | - | 4.33 | 21,432 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,488 |
| Monarchies of Europe | 0 | - | 4.90 | 97,464 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,498 |
| Countries Bordering France | 0 | - | 4.83 | 400,219 |
| Kings of France Quiz | 0 | - | 4.20 | 32,583 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,400 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,398 |
| Regions of Italy | 0 | - | 4.92 | 74,895 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,939 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,743 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,586 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,459 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,572 |
| Monarchies of Asia | 0 | - | 4.97 | 70,677 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,495 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,589 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,634 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,177 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,850 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,354 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,576 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,360 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,236 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,201 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,526 |
| Austria... or Australia? | 0 | - | 4.68 | 103,950 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,388 |
| Germany Country Quiz | 0 | - | 4.82 | 156,778 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,315 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,811 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,799 |
| Italy Country Quiz | 0 | - | 4.82 | 122,393 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,565 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,244 |
| History of The Netherlands | 0 | - | 4.46 | 17,339 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,197 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,787 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,131 |
| British Acronyms | 0 | - | 4.39 | 45,653 |
| UK Immigration by Country | 0 | - | 4.94 | 139,851 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,441 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,523 |
| Famous Scottish People | 0 | - | 4.22 | 18,339 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,736 |
| Asian Geography By Letter - S | 0 | - | 4.18 | 55,941 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,743 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 51,031 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,553 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,542 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 50,048 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,553 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,537 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,503 |
| The Bible A-Z | 0 | - | 4.29 | 59,415 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,661 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,231 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,179 |
| California Cities A-Z | 0 | - | 4.06 | 17,039 |
| Texas A-Z | 0 | - | 4.18 | 16,321 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,430 |
| U.S. History A-Z #1 | 0 | - | 4.35 | 29,572 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,475 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 77,997 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,611 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,084 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,326 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,932 |
| Slavic Languages | 0 | - | 4.68 | 54,047 |
| Russian History A-Z | 0 | - | 4.38 | 31,170 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,451 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,562 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,867 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,879 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,973 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,594 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,874 |
| Geography of Germany | 0 | - | 4.35 | 17,109 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,717 |
| History of Germany | 0 | - | 4.39 | 52,660 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,895 |
| Name that Greek Letter | 0 | - | 4.94 | 321,958 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,012 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,480 |
| Counties of Ireland | 0 | - | 4.92 | 193,404 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,454 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,525 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,515 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,571 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,728 |
| Roman Names for Places | 0 | - | 4.62 | 57,932 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,277 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,497 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,839 |
