| South America Map Quiz | 0 | - | 5.00 | 1,542,539 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,315 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.91 | 53,167 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,512 |
| States of Brazil | 0 | - | 4.98 | 86,719 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,462 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,258 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,469 |
| States of Mexico | 0 | - | 4.95 | 173,906 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,990 |
| Central American Countries | 0 | - | 4.98 | 155,259 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,334 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,444 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,833 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,980 |
| United States Map Quiz | 0 | - | 4.98 | 4,144,871 |
| Flags of North and South America | 0 | - | 4.99 | 368,656 |
| South American Physical Geography | 0 | - | 4.58 | 18,290 |
| Belize Country Quiz | 0 | - | 4.85 | 20,839 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,014,337 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,804 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,829 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,515 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,110 |
| Guyana Country Quiz | 0 | - | 4.49 | 22,646 |
| Venezuela Country Quiz | 0 | - | 4.50 | 30,453 |
| Paraguay Country Quiz | 0 | - | 4.53 | 25,142 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,108 |
| Suriname Country Quiz | 0 | - | 4.60 | 19,700 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,044 |
| The Only American Country ... | 0 | - | 4.92 | 120,917 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,757 |
| South American Cities on the Map | 0 | - | 4.56 | 35,271 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,417 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,170 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,208 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,064 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,341 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,532 |
| American Foods | 0 | - | 3.66 | 39,305 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,008 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,219 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,597 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,612 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,535 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,424 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,961 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,269 |
| Name a Valid African Country | 0 | - | 4.98 | 153,138 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,220 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,009 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,638 |
| History of Mexico | 0 | - | 4.58 | 15,244 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,226 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,494 |
| Word Chain - South America | 0 | - | 4.51 | 23,786 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,361 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,817 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,509 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,588 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,755 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,008 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,627 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,539 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,585 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,503 |
| Italian Foods | 0 | - | 4.31 | 72,307 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,945 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,751 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,220 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,126 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.91 | 78,384 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,180 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,340 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,423 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,901 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,415 |
| Pixelated United States Map | 0 | - | 4.89 | 93,643 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,700 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,015 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,950 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,562 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,611 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,927 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,167 |
| U.S. States By Population | 0 | - | 4.92 | 152,539 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,612 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,991 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,001 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,731 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,846 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,027 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,232 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,185 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,617 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,146 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,761 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,214 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,046 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,955 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,526 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,172 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,061 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,565 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,954 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,334 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 335,363 |
| Famous People from South America | 0 | - | 4.15 | 21,826 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,037 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,862 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,484 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,599 |
| Fruit and Vegetable Emojis | 0 | - | 4.43 | 79,650 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,131 |
| Countries by Milk Production | 0 | - | 4.54 | 43,698 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,830 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,805 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,925 |
| South America A-Z | 0 | - | 4.13 | 10,851 |
| El Salvador Country Quiz | 0 | - | 4.62 | 31,532 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,264 |
| Honduras Country Quiz | 0 | - | 4.52 | 23,739 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,409 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,612 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,953 |
| Antigua and Barbuda Country Quiz | 0 | - | 4.66 | 21,956 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,669 |
| Grenada Country Quiz | 0 | - | 4.62 | 18,819 |
| Saint Kitts and Nevis Country Quiz | 0 | - | 4.57 | 18,651 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.61 | 22,046 |
| Territories of the United States | 0 | - | 4.79 | 52,203 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,432 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,755 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,837 |
| New York City Geography | 0 | - | 4.42 | 32,975 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,298 |
| Europe Map Quiz | 0 | - | 5.00 | 4,737,835 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,043 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,680 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,003 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,038 |
| German Groups of Things | 0 | - | 4.46 | 38,343 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,123 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,356 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,371 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,173 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,702 |
| Foods of the World by Description | 0 | - | 4.18 | 45,953 |
| Countries That Eat the Most Pork | 0 | - | 4.18 | 39,154 |
| Countries that Produce the Most Cheese | 0 | - | 4.77 | 63,109 |
| Most Popular Fast Food Restaurants | 0 | - | 4.23 | 665,815 |
| Top 15 Countries with the Most Starbucks | 0 | - | 4.51 | 80,595 |
| Africa Map Quiz | 0 | - | 5.00 | 2,106,875 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,689 |
| Australian Capitals | 0 | - | 4.92 | 62,612 |
| Word Chain - Australia | 0 | - | 4.37 | 38,036 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,277 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,494 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,100 |
| United States Country Quiz | 0 | - | 4.43 | 100,798 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,675 |
| Canada Country Quiz | 0 | - | 4.55 | 131,893 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,733 |
| Canada A-Z | 0 | - | 4.73 | 32,688 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,723 |
| Official European Union Languages | 0 | - | 4.97 | 237,236 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,078 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,810 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,385 |
| Asia Map Quiz | 0 | - | 4.99 | 908,634 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,716 |
| Sushi Translation | 0 | - | 4.08 | 13,912 |
| Countries that Eat the Most Meat | 0 | - | 4.23 | 42,375 |
| Countries that Beat India | 0 | - | 4.41 | 62,646 |
| Countries of Africa | 0 | - | 5.00 | 2,513,616 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,984 |
| African East Coast | 0 | - | 4.96 | 95,248 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,133 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,129 |
| Countries that Beat South Africa | 0 | - | 4.69 | 42,123 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,995 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,003 |
| Australia Map Quiz | 0 | - | 4.94 | 342,833 |
| Pixelated Americas Map | 0 | - | 4.39 | 46,885 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,078 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,331 |
| Which South American Country? | 0 | - | 4.69 | 51,766 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,192 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,255 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,415 |
| Chile Country Quiz | 0 | - | 4.75 | 39,806 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,669 |
| Peru Country Quiz | 0 | - | 4.54 | 48,392 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 31,981 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,253 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,142 |
| Top U.S. Universities | 0 | - | 4.15 | 144,272 |
| Largest United States Airlines | 0 | - | 4.39 | 54,878 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,661 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,127 |
