| South America Map Quiz | 0 | - | 5.00 | 1,540,463 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,060 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,810 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,340 |
| States of Brazil | 0 | - | 4.98 | 86,238 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,968 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,532 |
| States of Mexico | 0 | - | 4.95 | 173,067 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,694 |
| South American Physical Geography | 0 | - | 4.58 | 18,263 |
| Central American Countries | 0 | - | 4.98 | 154,933 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,633 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,044 |
| Animals of Australia | 0 | - | 4.52 | 42,137 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,968 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,545 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,268 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,371 |
| Flags of North and South America | 0 | - | 4.99 | 365,834 |
| Belize Country Quiz | 0 | - | 4.85 | 20,782 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,626 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,385 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,454 |
| Countries With The Most Bird Species | 0 | - | 4.92 | 32,231 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,342 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,193 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,886 |
| Guyana Country Quiz | 0 | - | 4.49 | 22,559 |
| Venezuela Country Quiz | 0 | - | 4.50 | 30,365 |
| Paraguay Country Quiz | 0 | - | 4.53 | 25,053 |
| Bolivia Country Quiz | 0 | - | 4.63 | 25,989 |
| Suriname Country Quiz | 0 | - | 4.60 | 19,650 |
| The Only American Country ... | 0 | - | 4.92 | 120,670 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,275 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,754 |
| South American Cities on the Map | 0 | - | 4.57 | 35,231 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,279 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,876 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,806 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,869 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,192 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,776 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 72,978 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,442 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,088 |
| Countries with the Most Wolves | 0 | - | 4.92 | 106,967 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,426 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,462 |
| African Great Lakes | 0 | - | 4.82 | 65,054 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,684 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,015 |
| History of Mexico | 0 | - | 4.58 | 15,218 |
| Word Chain - South America | 0 | - | 4.51 | 23,756 |
| Name the U.S. National Parks | 0 | - | 4.85 | 58,139 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,544 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,044 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,036 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,484 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,548 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,426 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,051 |
| Countries Bordering Brazil | 0 | - | 4.96 | 130,947 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,258 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,277 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,834 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,322 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,776 |
| Pixelated United States Map | 0 | - | 4.89 | 93,353 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,318 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,737 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,408 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,609 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,242 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,300 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,513 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,790 |
| U.S. States By Population | 0 | - | 4.92 | 152,271 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,282 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,788 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,847 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,720 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,796 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,787 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,038 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,410 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,032 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,620 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 100,995 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 81,881 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,259 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,756 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,785 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,753 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,767 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,111 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,594 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,582 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,499 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,189 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,884 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,046 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,759 |
| Famous People from South America | 0 | - | 4.15 | 21,772 |
| Rivers of the United States | 0 | - | 4.93 | 65,435 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,056 |
| Asian Physical Geography | 0 | - | 4.61 | 35,362 |
| Countries with More Cows than People | 0 | - | 4.43 | 54,595 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,038 |
| Birds by Picture #1 | 0 | - | 4.46 | 41,054 |
| North American Bird-Named Teams | 0 | - | 4.43 | 67,600 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,503 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,368 |
| Mexican Foods | 0 | - | 4.07 | 14,602 |
| South America A-Z | 0 | - | 4.13 | 10,834 |
| El Salvador Country Quiz | 0 | - | 4.62 | 31,446 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,186 |
| Honduras Country Quiz | 0 | - | 4.52 | 23,658 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,341 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,579 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,916 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,633 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.61 | 21,999 |
| Territories of the United States | 0 | - | 4.79 | 52,106 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,351 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,454 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,693 |
| New York City Geography | 0 | - | 4.42 | 32,884 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,173 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,053 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,964 |
| Largest Land Animals of Asia | 0 | - | 3.62 | 8,251 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,877 |
| Countries with Wild Lions | 0 | - | 4.77 | 25,942 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,844 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,730 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,871 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,811 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,642 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,251 |
| Africa Map Quiz | 0 | - | 5.00 | 2,102,979 |
| African Physical Geography | 0 | - | 4.51 | 31,557 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,580 |
| Australian Capitals | 0 | - | 4.92 | 62,586 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,273 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,234 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,459 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,067 |
| United States Country Quiz | 0 | - | 4.43 | 100,489 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,580 |
| Canada Country Quiz | 0 | - | 4.54 | 131,639 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,559 |
| Canada A-Z | 0 | - | 4.73 | 32,630 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,534 |
| Official European Union Languages | 0 | - | 4.97 | 236,377 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,613 |
| European Physical Geography | 0 | - | 4.26 | 33,366 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,912 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,438,383 |
| Asia Map Quiz | 0 | - | 4.99 | 906,038 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,609 |
| Birds by Picture #2 | 0 | - | 4.33 | 35,905 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,802 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,660 |
| Countries of Africa | 0 | - | 5.00 | 2,505,028 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,739 |
| African East Coast | 0 | - | 4.96 | 94,946 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,816 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,034 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,726 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,431 |
| Australia Map Quiz | 0 | - | 4.94 | 342,267 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,190 |
| Pixelated Americas Map | 0 | - | 4.40 | 46,770 |
| Hispanic Last Names in the U.S. | 0 | - | 4.30 | 54,605 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,932 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,306 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,176 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,456 |
| Which South American Country? | 0 | - | 4.69 | 51,694 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,044 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,014 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,352 |
| Chile Country Quiz | 0 | - | 4.75 | 39,694 |
| Peru Country Quiz | 0 | - | 4.54 | 48,256 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 31,884 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,130 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,074 |
| Top U.S. Universities | 0 | - | 4.15 | 143,938 |
| Largest United States Airlines | 0 | - | 4.39 | 54,817 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,627 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,701 |
| U.S. States by Governor | 0 | - | 4.43 | 17,973 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,560 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,530 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,563 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,743 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 32,979 |
| New England States | 0 | - | 4.51 | 59,699 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,431 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,875 |
