| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,206 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,028 |
| States of Brazil | 0 | - | 4.98 | 86,465 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,615 |
| States of Mexico | 0 | - | 4.95 | 173,473 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,419 |
| Word Chain - South America | 0 | - | 4.51 | 23,768 |
| United States Map Quiz | 0 | - | 4.98 | 4,142,751 |
| Flags of North and South America | 0 | - | 4.99 | 367,735 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,303 |
| South American Physical Geography | 0 | - | 4.58 | 18,274 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,420 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,136 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,217 |
| The Only American Country ... | 0 | - | 4.92 | 120,811 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,388 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,502 |
| Famous People from South America | 0 | - | 4.15 | 21,793 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,939 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,031 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,052 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,989 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,402 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,906 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,110 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,526 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,755 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,363 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,367 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,132 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,622 |
| History of Mexico | 0 | - | 4.58 | 15,236 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,856 |
| South America A-Z | 0 | - | 4.13 | 10,840 |
| Central American Countries | 0 | - | 4.98 | 155,122 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,049 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,131 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,699 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,247 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,093 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,550 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,669 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,090 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,132 |
| Pixelated United States Map | 0 | - | 4.89 | 93,534 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,530 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,910 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,798 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,421 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,468 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,733 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,982 |
| U.S. States By Population | 0 | - | 4.92 | 152,420 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,470 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,903 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,934 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,782 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,933 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,923 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,101 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,527 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,087 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,681 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,406 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,517 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,633 |
| Guyana Country Quiz | 0 | - | 4.49 | 22,606 |
| Venezuela Country Quiz | 0 | - | 4.50 | 30,412 |
| Paraguay Country Quiz | 0 | - | 4.53 | 25,097 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,059 |
| Suriname Country Quiz | 0 | - | 4.60 | 19,677 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,656 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,132 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,968 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,885 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,195 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,909 |
| Mexican Foods | 0 | - | 4.07 | 14,612 |
| Belize Country Quiz | 0 | - | 4.85 | 20,812 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,595 |
| Famous Caribbean People | 0 | - | 4.37 | 12,567 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,936 |
| Territories of the United States | 0 | - | 4.79 | 52,160 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,399 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,610 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,769 |
| New York City Geography | 0 | - | 4.42 | 32,950 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,253 |
| Europe Map Quiz | 0 | - | 5.00 | 4,733,120 |
| Africa Map Quiz | 0 | - | 5.00 | 2,105,017 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,689 |
| Australian Capitals | 0 | - | 4.92 | 62,596 |
| South American Cities on the Map | 0 | - | 4.57 | 35,252 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,351 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,275 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,280 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,482 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,082 |
| United States Country Quiz | 0 | - | 4.43 | 100,654 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,616 |
| Canada Country Quiz | 0 | - | 4.55 | 131,773 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,660 |
| Canada A-Z | 0 | - | 4.73 | 32,654 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,616 |
| Official European Union Languages | 0 | - | 4.97 | 237,007 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,740 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,416 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,308 |
| Asia Map Quiz | 0 | - | 4.99 | 907,530 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,668 |
| Countries of Africa | 0 | - | 5.00 | 2,509,535 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,869 |
| African East Coast | 0 | - | 4.96 | 95,107 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,992 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,840 |
| Australia Map Quiz | 0 | - | 4.94 | 342,606 |
| Pixelated Americas Map | 0 | - | 4.40 | 46,833 |
| South American Geography Quiz #2 | 0 | - | 4.62 | 39,204 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,476 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,114 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,632 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,945 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,610 |
| New England States | 0 | - | 4.51 | 59,711 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,506 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,891 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,358 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,671 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,676 |
| U.S. States by Borders | 0 | - | 4.63 | 35,089 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,256 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,155 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,005 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,337 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,800 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,426 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,903 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,222 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,431 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,038 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,384 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,165 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,901 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,601 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 39,123 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,197 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,255 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,238 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,119 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,448 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,560 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,673 |
| The Only European Country ... | 0 | - | 4.91 | 214,003 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,661 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,577 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,539 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,418 |
| Georgia ... or Georgia? | 0 | - | 4.69 | 76,444 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,460 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,833 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,694 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,627 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,333 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,535 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,213 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,543 |
| African Island Countries | 0 | - | 4.96 | 100,839 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,751 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,084 |
| Australian States and Territories | 0 | - | 4.96 | 140,969 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,034 |
| Australia True or False | 0 | - | 4.87 | 56,530 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,173 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,202 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,605 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,590 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,879 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,371 |
| North America Map Quiz | 0 | - | 4.98 | 244,671 |
| Top U.S. Universities | 0 | - | 4.15 | 144,154 |
| Largest United States Airlines | 0 | - | 4.39 | 54,846 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,390 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,797 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 34,363 |
| Cities by Picture #2 | 0 | - | 4.19 | 34,949 |
| U.S. States by Governor | 0 | - | 4.43 | 17,985 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,581 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,184 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,557 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,762 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 32,998 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,648 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,618 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,292 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,041 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,467 |
| Flyover States | 0 | - | 4.52 | 29,406 |
| U.S. States With Double Letters | 0 | - | 4.54 | 23,936 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 75,835 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 44,971 |
