| South America Map Quiz | 0 | - | 5.00 | 1,557,186 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 105,537 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 54,932 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,650 |
| States of Brazil | 0 | - | 4.97 | 89,861 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,729 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,162 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,705 |
| States of Mexico | 0 | - | 4.96 | 178,401 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,699 |
| Central American Countries | 0 | - | 4.98 | 157,407 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,636 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 150,794 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,615 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,745 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,045 |
| United States Map Quiz | 0 | - | 4.98 | 4,172,214 |
| Flags of North and South America | 0 | - | 4.99 | 377,407 |
| South American Physical Geography | 0 | - | 4.58 | 18,408 |
| Belize Country Quiz | 0 | - | 4.85 | 21,105 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,225 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,534 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,857 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,309 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,198 |
| Guyana Country Quiz | 0 | - | 4.50 | 22,940 |
| Venezuela Country Quiz | 0 | - | 4.51 | 30,752 |
| Paraguay Country Quiz | 0 | - | 4.54 | 25,421 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,407 |
| Suriname Country Quiz | 0 | - | 4.61 | 19,942 |
| The Only American Country ... | 0 | - | 4.92 | 122,252 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,799 |
| South American Cities on the Map | 0 | - | 4.52 | 35,566 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,862 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,170 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,912 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,764 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,870 |
| American Foods | 0 | - | 3.66 | 39,447 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,983 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,071 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,289 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,755 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,167 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,594 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,138 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,975 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,884 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,847 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,865 |
| History of Mexico | 0 | - | 4.52 | 15,367 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 44,220 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,916 |
| Word Chain - South America | 0 | - | 4.51 | 24,008 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,526 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,460 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,680 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,125 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,761 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,032 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,024 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,041 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,875 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,963 |
| Italian Foods | 0 | - | 4.30 | 73,313 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,425 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,790 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,848 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,486 |
| Name a Valid African Country | 0 | - | 4.98 | 155,121 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,634 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,439 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,833 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,286 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,929 |
| Colombia Country Quiz | 0 | - | 4.90 | 41,024 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,900 |
| Jamaica Country Quiz | 0 | - | 4.59 | 35,255 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,824 |
| Pixelated United States Map | 0 | - | 4.88 | 94,847 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,618 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,491 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,115 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,333 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,357 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,406 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,433 |
| U.S. States By Population | 0 | - | 4.92 | 154,194 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,287 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,924 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,114 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,898 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,556 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,140 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,094 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,268 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,720 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,848 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,677 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,515 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,061 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 68,011 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,637 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,536 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,152 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,655 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,106 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,127 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,507 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 338,085 |
| Famous People from South America | 0 | - | 4.15 | 22,117 |
| Countries that Beat Brazil | 0 | - | 4.49 | 69,271 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,692 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,704 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 53,089 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,994 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,407 |
| Countries by Milk Production | 0 | - | 4.54 | 44,256 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,434 |
| South America A-Z | 0 | - | 4.15 | 10,949 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,582 |
| Honduras Country Quiz | 0 | - | 4.52 | 24,034 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,722 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,796 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,158 |
| Antigua and Barbuda Country Quiz | 0 | - | 4.68 | 22,215 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,860 |
| Grenada Country Quiz | 0 | - | 4.62 | 19,023 |
| Saint Kitts and Nevis Country Quiz | 0 | - | 4.57 | 18,858 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.61 | 22,294 |
| Territories of the United States | 0 | - | 4.80 | 52,639 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,904 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 176,160 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,548 |
| New York City Geography | 0 | - | 4.43 | 33,191 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,892 |
| Europe Map Quiz | 0 | - | 5.00 | 4,790,032 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,539 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,206 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,476 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,440 |
| German Groups of Things | 0 | - | 4.47 | 38,645 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,867 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,668 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,745 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,372 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,817 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,100 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,488 |
| Foods of the World by Description | 0 | - | 4.18 | 46,149 |
| Countries That Eat the Most Pork | 0 | - | 4.18 | 39,439 |
| Countries that Produce the Most Cheese | 0 | - | 4.77 | 63,506 |
| Most Popular Fast Food Restaurants | 0 | - | 4.23 | 672,887 |
| Top 15 Countries with the Most Starbucks | 0 | - | 4.51 | 81,555 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,771 |
| Australian Capitals | 0 | - | 4.92 | 62,841 |
| Word Chain - Australia | 0 | - | 4.38 | 38,251 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,311 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,681 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,284 |
| United States Country Quiz | 0 | - | 4.43 | 102,252 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,079 |
| Canada Country Quiz | 0 | - | 4.55 | 133,087 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,637 |
| Canada A-Z | 0 | - | 4.73 | 32,979 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,783 |
| Official European Union Languages | 0 | - | 4.97 | 239,891 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,713 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,085 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,832 |
| Asia Map Quiz | 0 | - | 4.99 | 925,751 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,227 |
| Sushi Translation | 0 | - | 4.08 | 13,992 |
| Africa Map Quiz | 0 | - | 5.00 | 2,129,487 |
| Countries that Eat the Most Meat | 0 | - | 4.23 | 42,506 |
| Countries that Beat South Africa | 0 | - | 4.69 | 42,712 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,139 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,514 |
| Australia Map Quiz | 0 | - | 4.95 | 346,279 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,467 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,779 |
| Which South American Country? | 0 | - | 4.69 | 52,128 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,825 |
| Brazil Country Quiz | 0 | - | 4.52 | 102,413 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,848 |
| Chile Country Quiz | 0 | - | 4.75 | 40,311 |
| Ecuador Country Quiz | 0 | - | 4.60 | 32,023 |
| Peru Country Quiz | 0 | - | 4.54 | 48,949 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,356 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,771 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,636 |
| Top U.S. Universities | 0 | - | 4.15 | 145,885 |
| Largest United States Airlines | 0 | - | 4.39 | 55,169 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,775 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,599 |
| U.S. States by Governor | 0 | - | 4.43 | 18,115 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,771 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,784 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,132 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,911 |
