| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,286 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,360 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,179 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,507 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,284 |
| European Geography A-Z | 0 | - | 4.29 | 49,541 |
| Federal Subjects of Russia | 0 | - | 4.95 | 150,058 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,184 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,971 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 239,129 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,570 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 122,015 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,576 |
| European Geography By Letter - D | 0 | - | 4.49 | 119,135 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,515 |
| European Geography By Letter - M | 0 | - | 4.70 | 133,047 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,441 |
| European Geography By Letter - R | 0 | - | 4.43 | 95,013 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,287 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,925 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,667 |
| Middle East A-Z | 0 | - | 4.47 | 46,284 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,955 |
| France A-Z | 0 | - | 4.16 | 38,371 |
| Switzerland A-Z | 0 | - | 4.45 | 25,804 |
| Richest Countries A-Z | 0 | - | 4.91 | 104,355 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,694 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,891 |
| Official European Union Languages | 0 | - | 4.97 | 240,475 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,896 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,604 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,264 |
| London A-Z | 0 | - | 4.10 | 40,919 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 123,369 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,814 |
| European Geography By Letter - E | 0 | - | 4.25 | 122,654 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,899 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,544 |
| European Geography By Letter - G | 0 | - | 4.27 | 104,346 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,869 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,516 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,856 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,774 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,415 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 52,091 |
| History of Russia Quiz | 0 | - | 4.47 | 32,033 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,121 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 43,114 |
| Africa A-Z | 0 | - | 4.57 | 46,812 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 155,890 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,366 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,806 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,450 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,965 |
| Slavic Countries | 0 | - | 4.96 | 112,570 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,776 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,535 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 363,109 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 154,267 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 197,323 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 171,139 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 194,330 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 302,326 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,668 |
| Celtic Nations | 0 | - | 4.61 | 47,131 |
| Russian History A-Z | 0 | - | 4.35 | 32,330 |
| Famous Germans | 0 | - | 4.50 | 55,903 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,589 |
| Champions League Winners | 0 | - | 4.92 | 1,018,769 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,567 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,181 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,748 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,312 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,751 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,423 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,437 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,544 |
| Countries that Start with A | 0 | - | 4.98 | 2,179,638 |
| Countries that Start with B | 0 | - | 4.95 | 2,310,252 |
| Countries that Start with C | 0 | - | 4.96 | 1,834,409 |
| Countries that Start with D | 0 | - | 4.96 | 718,488 |
| Countries that Start with E | 0 | - | 4.95 | 1,387,503 |
| Countries that Start with G | 0 | - | 4.97 | 1,514,121 |
| Countries that Start with H | 0 | - | 4.96 | 611,055 |
| Countries that Start with I | 0 | - | 4.92 | 1,296,609 |
| Countries that Start with J | 0 | - | 4.98 | 608,374 |
| Countries that Start with K | 0 | - | 4.97 | 822,256 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,705 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,820 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,934 |
| Countries that Start with S | 0 | - | 4.98 | 1,765,696 |
| Countries that Start with T | 0 | - | 4.90 | 1,016,364 |
| Countries that Start with U | 0 | - | 4.97 | 909,639 |
| Countries that Start with V | 0 | - | 4.98 | 612,839 |
| Countries that Start with F | 0 | - | 4.83 | 622,425 |
| Countries that Start with M | 0 | - | 4.97 | 1,390,274 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 241,046 |
| Canada A-Z | 0 | - | 4.73 | 33,004 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,941 |
| Famous Russians | 0 | - | 4.16 | 23,936 |
| Geography of Russia | 0 | - | 4.57 | 21,630 |
| Romania Country Quiz | 0 | - | 4.56 | 54,237 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,633 |
| States of Germany | 0 | - | 4.95 | 155,069 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,867 |
| Regions of Italy | 0 | - | 4.92 | 77,337 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,977 |
| Regions of Spain Quiz | 0 | - | 4.91 | 115,689 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,971 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,879 |
| African Geography A-Z | 0 | - | 4.33 | 21,555 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 44,171 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 70,183 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 58,653 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.74 | 58,846 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,523 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,481 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,417 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,875 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.85 | 35,675 |
| Famous French People | 0 | - | 4.05 | 36,202 |
| Departments of France | 0 | - | 4.93 | 55,486 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,800 |
| History of The Netherlands | 0 | - | 4.46 | 17,582 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,242 |
| England or Wales? | 0 | - | 4.94 | 46,096 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,627 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,297 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,255 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,480 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 68,138 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 65,098 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,523 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 35,013 |
| Turkey A-Z | 0 | - | 4.04 | 11,946 |
| The Bible A-Z | 0 | - | 4.29 | 60,041 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,990 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,801 |
| California Cities A-Z | 0 | - | 4.07 | 17,501 |
| Hawaii A-Z | 0 | - | 4.28 | 13,498 |
| Texas A-Z | 0 | - | 4.19 | 16,449 |
| Ohio A-Z | 0 | - | 4.15 | 6,421 |
| Pennsylvania A-Z | 0 | - | 4.11 | 7,601 |
| U.S. History A-Z #1 | 0 | - | 4.36 | 30,603 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,743 |
| Word Scramble - European Countries | 0 | - | 4.72 | 142,497 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 124,729 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,095 |
| Slavic Languages | 0 | - | 4.67 | 54,808 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,384 |
| Countries that Border Hungary | 0 | - | 4.98 | 105,135 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 28,103 |
| Moldova Country Quiz | 0 | - | 4.82 | 31,087 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,326 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,690 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,172 |
| The Trojan War | 0 | - | 4.83 | 40,126 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 653,410 |
| Name that Greek Letter | 0 | - | 4.93 | 325,418 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,367 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,765 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,736 |
| Roman Emperors | 0 | - | 4.95 | 121,526 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,673 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,509 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,964 |
| One Country By Letter By Continent | 0 | - | 5.00 | 126,168 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,735 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,715 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,775 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,735 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,485 |
| U.S. Geography by Letter - P | 0 | - | 4.40 | 54,647 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,805 |
| U.S. Geography by Letter - L | 0 | - | 4.08 | 41,755 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,894 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 37,105 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,841 |
| Top European Languages on a Map | 0 | - | 4.77 | 133,060 |
| Word Chain - Russia | 0 | - | 4.33 | 15,811 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,916 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,936 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,756 |
| Famous Irish People | 0 | - | 4.05 | 46,087 |
| History of Italy | 0 | - | 4.55 | 32,200 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,579 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,867 |
| Famous Nordic People | 0 | - | 4.34 | 20,364 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,652 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,485 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,586 |
| People on Money - England | 0 | - | 4.30 | 21,315 |
| British Geography A-Z | 0 | - | 4.42 | 19,637 |
| Asian Geography By Letter - R | 0 | - | 4.35 | 28,346 |
| Countries Bordering "U" Countries | 0 | - | 4.83 | 24,988 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 78,383 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 60,505 |
| South America A-Z | 0 | - | 4.15 | 10,963 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,618 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,876 |
