| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,463 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,419 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,937 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,729 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,465 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,083 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,501 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,983 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,945 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,795 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,300 |
| European Geography By Letter - M | 0 | - | 4.61 | 129,053 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,867 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,693 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,071 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,399 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,657 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,685 |
| Official European Union Languages | 0 | - | 4.97 | 237,161 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,027 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,627 |
| Countries that Border Poland | 0 | - | 4.99 | 171,495 |
| Russian History A-Z | 0 | - | 4.38 | 31,164 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,013 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,301 |
| London A-Z | 0 | - | 4.10 | 40,665 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,475 |
| Africa A-Z | 0 | - | 4.57 | 46,408 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,291 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,729 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,963 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,350 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,555 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,231 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,977 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,340 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,592 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,554 |
| European Geography A-Z | 0 | - | 4.28 | 49,038 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,604 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 34,660 |
| Countries that Start with a Vowel | 0 | - | 4.98 | 128,920 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,162 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,533 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,200 |
| France A-Z | 0 | - | 4.16 | 38,084 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,089 |
| Switzerland A-Z | 0 | - | 4.45 | 25,532 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,723 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,838 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,151 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,506 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 190,974 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,574 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,258 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,259 |
| Celtic Nations | 0 | - | 4.69 | 46,837 |
| Famous Germans | 0 | - | 4.50 | 54,692 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,651 |
| Champions League Winners | 0 | - | 4.92 | 997,726 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,881 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,438 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,203 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,610 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,115 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,760 |
| Middle East A-Z | 0 | - | 4.47 | 45,836 |
| Countries that Start with A | 0 | - | 4.97 | 2,149,141 |
| Countries that Start with B | 0 | - | 4.95 | 2,281,860 |
| Countries that Start with C | 0 | - | 4.96 | 1,811,968 |
| Countries that Start with D | 0 | - | 4.96 | 702,656 |
| Countries that Start with E | 0 | - | 4.95 | 1,368,854 |
| Countries that Start with G | 0 | - | 4.97 | 1,494,240 |
| Countries that Start with H | 0 | - | 4.96 | 598,855 |
| Countries that Start with I | 0 | - | 4.92 | 1,281,366 |
| Countries that Start with J | 0 | - | 4.98 | 596,893 |
| Countries that Start with K | 0 | - | 4.97 | 810,234 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,947 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,826 |
| Countries that Start with P | 0 | - | 4.94 | 1,209,548 |
| Countries that Start with S | 0 | - | 4.98 | 1,746,005 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,970 |
| Countries that Start with U | 0 | - | 4.97 | 900,553 |
| Countries that Start with V | 0 | - | 4.98 | 605,668 |
| Countries that Start with F | 0 | - | 4.83 | 612,941 |
| Countries that Start with M | 0 | - | 4.97 | 1,374,526 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,478 |
| Canada A-Z | 0 | - | 4.73 | 32,675 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,335 |
| Famous Russians | 0 | - | 4.16 | 23,740 |
| Countries That Border Russia | 0 | - | 4.98 | 459,509 |
| States of Germany | 0 | - | 4.96 | 150,429 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,132 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,605 |
| Regions of Italy | 0 | - | 4.92 | 74,885 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,930 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,568 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,455 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,567 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,177 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 235,194 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,832 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,341 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,197 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,869 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,499 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,424 |
| Russia Country Quiz | 0 | - | 4.85 | 113,771 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,936 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,093 |
| Departments of France | 0 | - | 4.93 | 52,982 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,399 |
| History of The Netherlands | 0 | - | 4.46 | 17,336 |
| England or Wales? | 0 | - | 4.94 | 45,387 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,725 |
| Asian Geography By Letter - S | 0 | - | 4.18 | 55,941 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,740 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 51,029 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,552 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,540 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 50,047 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,532 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,499 |
| Turkey A-Z | 0 | - | 4.04 | 11,747 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,042 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,954 |
| California Cities A-Z | 0 | - | 4.06 | 17,035 |
| Hawaii A-Z | 0 | - | 4.28 | 13,411 |
| Texas A-Z | 0 | - | 4.18 | 16,320 |
| Ohio A-Z | 0 | - | 4.21 | 6,354 |
| Pennsylvania A-Z | 0 | - | 4.11 | 7,521 |
| U.S. History A-Z #1 | 0 | - | 4.35 | 29,563 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,611 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,072 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,310 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,923 |
| Slavic Languages | 0 | - | 4.67 | 54,040 |
| Poland Country Quiz | 0 | - | 4.22 | 62,785 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,442 |
| Countries that Beat Russia | 0 | - | 4.84 | 82,012 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,775 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,667 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,585 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,858 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,551 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,562 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,973 |
| The Trojan War | 0 | - | 4.83 | 39,475 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,840 |
| Name that Greek Letter | 0 | - | 4.94 | 321,937 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,749 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,452 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,125 |
| Roman Emperors | 0 | - | 4.95 | 118,664 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,275 |
| WWII A-Z #1 | 0 | - | 4.80 | 102,460 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,373 |
| One Country By Letter By Continent | 0 | - | 5.00 | 122,033 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,043 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,337 |
| African Geography A-Z | 0 | - | 4.33 | 21,429 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 73,606 |
| U.S. Geography by Letter - A | 0 | - | 4.38 | 62,576 |
| U.S. Geography by Letter - D | 0 | - | 4.08 | 56,567 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 49,242 |
| U.S. Geography by Letter - P | 0 | - | 4.36 | 47,663 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 52,846 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 40,663 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 38,809 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 39,574 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,271 |
| History of Russia Quiz | 0 | - | 4.49 | 31,805 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,595 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 95,974 |
| Famous French People | 0 | - | 4.12 | 28,026 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,044 |
| Famous Irish People | 0 | - | 4.05 | 45,873 |
| History of Italy | 0 | - | 4.55 | 31,853 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,267 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,504 |
| Famous Nordic People | 0 | - | 4.34 | 19,899 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,553 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,011 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,480 |
| People on Money - England | 0 | - | 4.29 | 16,571 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,395 |
| Asian Geography By Letter - R | 0 | - | 4.34 | 27,638 |
| Countries Bordering "U" Countries | 0 | - | 4.81 | 24,140 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 66,609 |
| Movie Characters A-Z | 0 | - | 4.22 | 60,715 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 58,025 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,727 |
| South America A-Z | 0 | - | 4.13 | 10,847 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,814 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,523 |
| Europe Map Quiz | 0 | - | 5.00 | 4,735,872 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,029 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,663 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,987 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,025 |
