| South America Map Quiz | 0 | - | 5.00 | 1,540,281 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,045 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,768 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,315 |
| States of Brazil | 0 | - | 4.98 | 86,208 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,939 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,487 |
| States of Mexico | 0 | - | 4.95 | 173,023 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,671 |
| South American Physical Geography | 0 | - | 4.58 | 18,263 |
| Central American Countries | 0 | - | 4.98 | 154,915 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,567 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,040 |
| Animals of Australia | 0 | - | 4.52 | 42,136 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,672 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,539 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,265 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,363 |
| Flags of North and South America | 0 | - | 4.99 | 365,546 |
| Belize Country Quiz | 0 | - | 4.85 | 20,781 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,454 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,294 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,323 |
| Countries With The Most Bird Species | 0 | - | 4.92 | 32,200 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,337 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,188 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,821 |
| Guyana Country Quiz | 0 | - | 4.49 | 22,556 |
| Venezuela Country Quiz | 0 | - | 4.50 | 30,361 |
| Paraguay Country Quiz | 0 | - | 4.53 | 25,046 |
| Bolivia Country Quiz | 0 | - | 4.63 | 25,987 |
| Suriname Country Quiz | 0 | - | 4.60 | 19,648 |
| The Only American Country ... | 0 | - | 4.92 | 120,661 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,262 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,754 |
| South American Cities on the Map | 0 | - | 4.57 | 35,227 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,273 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,855 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,787 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,839 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,160 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,754 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 72,967 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,434 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,055 |
| Countries with the Most Wolves | 0 | - | 4.92 | 106,955 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,412 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,458 |
| African Great Lakes | 0 | - | 4.82 | 65,042 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,684 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,002 |
| History of Mexico | 0 | - | 4.58 | 15,218 |
| Word Chain - South America | 0 | - | 4.51 | 23,755 |
| Name the U.S. National Parks | 0 | - | 4.85 | 57,500 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,514 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,023 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 239,961 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,478 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,531 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,419 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,047 |
| Countries Bordering Brazil | 0 | - | 4.96 | 130,914 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,251 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,272 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,828 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,320 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,764 |
| Pixelated United States Map | 0 | - | 4.89 | 93,304 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,285 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,714 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,387 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,579 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,204 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,268 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,482 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,752 |
| U.S. States By Population | 0 | - | 4.92 | 152,252 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,255 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,772 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,837 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,706 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,780 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,773 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,029 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,395 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,022 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,608 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 100,963 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 81,865 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,231 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,754 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,776 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,741 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,748 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,101 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,591 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,580 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,476 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,183 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,880 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,031 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,756 |
| Famous People from South America | 0 | - | 4.15 | 21,769 |
| Rivers of the United States | 0 | - | 4.93 | 65,426 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,009 |
| Asian Physical Geography | 0 | - | 4.61 | 35,358 |
| Countries with More Cows than People | 0 | - | 4.43 | 54,588 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,030 |
| Birds by Picture #1 | 0 | - | 4.46 | 41,043 |
| North American Bird-Named Teams | 0 | - | 4.43 | 67,597 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,502 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,335 |
| Mexican Foods | 0 | - | 4.07 | 14,601 |
| South America A-Z | 0 | - | 4.13 | 10,832 |
| El Salvador Country Quiz | 0 | - | 4.62 | 31,443 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,185 |
| Honduras Country Quiz | 0 | - | 4.52 | 23,657 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,338 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,572 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,914 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,633 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.61 | 21,995 |
| Territories of the United States | 0 | - | 4.79 | 52,101 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,344 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,433 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,678 |
| New York City Geography | 0 | - | 4.42 | 32,876 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,162 |
| Europe Map Quiz | 0 | - | 5.00 | 4,727,392 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,925 |
| Largest Land Animals of Asia | 0 | - | 3.62 | 8,251 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,876 |
| Countries with Wild Lions | 0 | - | 4.77 | 25,936 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,840 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,721 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,867 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,804 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,632 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,249 |
| Africa Map Quiz | 0 | - | 5.00 | 2,102,797 |
| African Physical Geography | 0 | - | 4.51 | 31,557 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,470 |
| Australian Capitals | 0 | - | 4.92 | 62,585 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,272 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,230 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,456 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,062 |
| United States Country Quiz | 0 | - | 4.43 | 100,469 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,574 |
| Canada Country Quiz | 0 | - | 4.54 | 131,625 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,553 |
| Canada A-Z | 0 | - | 4.73 | 32,625 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,522 |
| Official European Union Languages | 0 | - | 4.97 | 236,347 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,600 |
| European Physical Geography | 0 | - | 4.26 | 33,364 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,853 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,437,589 |
| Asia Map Quiz | 0 | - | 4.99 | 905,777 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,603 |
| Birds by Picture #2 | 0 | - | 4.33 | 35,900 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,797 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,660 |
| Countries of Africa | 0 | - | 5.00 | 2,504,409 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,715 |
| African East Coast | 0 | - | 4.96 | 94,929 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,797 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,026 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,720 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,427 |
| Australia Map Quiz | 0 | - | 4.94 | 342,228 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,189 |
| Pixelated Americas Map | 0 | - | 4.40 | 46,758 |
| Hispanic Last Names in the U.S. | 0 | - | 4.30 | 54,602 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,924 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,301 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,170 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,454 |
| Which South American Country? | 0 | - | 4.69 | 51,692 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,038 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,003 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,351 |
| Chile Country Quiz | 0 | - | 4.75 | 39,691 |
| Peru Country Quiz | 0 | - | 4.54 | 48,249 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 31,873 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,127 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,070 |
| Top U.S. Universities | 0 | - | 4.15 | 143,912 |
| Largest United States Airlines | 0 | - | 4.39 | 54,814 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,625 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,668 |
| U.S. States by Governor | 0 | - | 4.43 | 17,971 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,555 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,526 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,553 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,742 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 32,976 |
| New England States | 0 | - | 4.51 | 59,697 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,417 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,872 |
