| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,178 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,009 |
| States of Brazil | 0 | - | 4.98 | 86,423 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,409 |
| States of Mexico | 0 | - | 4.95 | 173,403 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,402 |
| Word Chain - South America | 0 | - | 4.51 | 23,768 |
| United States Map Quiz | 0 | - | 4.98 | 4,142,290 |
| Flags of North and South America | 0 | - | 4.99 | 367,526 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,269 |
| South American Physical Geography | 0 | - | 4.58 | 18,272 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,093 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,043 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,160 |
| The Only American Country ... | 0 | - | 4.92 | 120,782 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,366 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,408 |
| Famous People from South America | 0 | - | 4.15 | 21,790 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,887 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,008 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,019 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,972 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,367 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,891 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,092 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,511 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,755 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,359 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,329 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,107 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,620 |
| History of Mexico | 0 | - | 4.58 | 15,232 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,839 |
| South America A-Z | 0 | - | 4.13 | 10,840 |
| Central American Countries | 0 | - | 4.98 | 155,084 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,989 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,050 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,680 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,208 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,021 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,538 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,646 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,081 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,117 |
| Pixelated United States Map | 0 | - | 4.89 | 93,510 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,503 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,889 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,764 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,389 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,440 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,704 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,957 |
| U.S. States By Population | 0 | - | 4.92 | 152,403 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,437 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,884 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,918 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,769 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,911 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,900 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,094 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,514 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,080 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,671 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,384 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,458 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,579 |
| Guyana Country Quiz | 0 | - | 4.49 | 22,597 |
| Venezuela Country Quiz | 0 | - | 4.50 | 30,402 |
| Paraguay Country Quiz | 0 | - | 4.53 | 25,090 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,048 |
| Suriname Country Quiz | 0 | - | 4.60 | 19,673 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,619 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,119 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,954 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,864 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,149 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,907 |
| Mexican Foods | 0 | - | 4.07 | 14,610 |
| Belize Country Quiz | 0 | - | 4.85 | 20,809 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,591 |
| Famous Caribbean People | 0 | - | 4.37 | 12,566 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,931 |
| Territories of the United States | 0 | - | 4.79 | 52,155 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,394 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,578 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,757 |
| New York City Geography | 0 | - | 4.42 | 32,945 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,240 |
| Europe Map Quiz | 0 | - | 5.00 | 4,732,376 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,747 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,514 |
| Australian Capitals | 0 | - | 4.92 | 62,594 |
| South American Cities on the Map | 0 | - | 4.57 | 35,250 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,339 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,275 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,272 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,479 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,081 |
| United States Country Quiz | 0 | - | 4.43 | 100,620 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,612 |
| Canada Country Quiz | 0 | - | 4.54 | 131,745 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,629 |
| Canada A-Z | 0 | - | 4.73 | 32,653 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,597 |
| Official European Union Languages | 0 | - | 4.97 | 236,843 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,720 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,321 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,926 |
| Asia Map Quiz | 0 | - | 4.99 | 907,319 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,662 |
| Countries of Africa | 0 | - | 5.00 | 2,508,774 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,839 |
| African East Coast | 0 | - | 4.96 | 95,082 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,969 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,821 |
| Australia Map Quiz | 0 | - | 4.94 | 342,557 |
| Pixelated Americas Map | 0 | - | 4.40 | 46,824 |
| South American Geography Quiz #2 | 0 | - | 4.62 | 39,201 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,475 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,109 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,631 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,907 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,600 |
| New England States | 0 | - | 4.51 | 59,709 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,482 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,887 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,341 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,659 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,669 |
| U.S. States by Borders | 0 | - | 4.63 | 35,081 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,251 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,143 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 43,999 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,327 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,796 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,418 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,893 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,218 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,424 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 89,993 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,365 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,159 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,888 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,591 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 39,121 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,194 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,205 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,230 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,067 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,385 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,552 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,629 |
| The Only European Country ... | 0 | - | 4.91 | 213,940 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,608 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,575 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,506 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,300 |
| Georgia ... or Georgia? | 0 | - | 4.69 | 76,432 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,444 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,637 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,660 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,603 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,306 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,517 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,168 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,506 |
| African Island Countries | 0 | - | 4.96 | 100,818 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,714 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,076 |
| Australian States and Territories | 0 | - | 4.96 | 140,930 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,025 |
| Australia True or False | 0 | - | 4.87 | 56,518 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,165 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,189 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,602 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,587 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,866 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,361 |
| North America Map Quiz | 0 | - | 4.98 | 244,555 |
| Top U.S. Universities | 0 | - | 4.15 | 144,113 |
| Largest United States Airlines | 0 | - | 4.39 | 54,841 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,383 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,794 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 34,361 |
| Cities by Picture #2 | 0 | - | 4.19 | 34,945 |
| U.S. States by Governor | 0 | - | 4.43 | 17,984 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,578 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,175 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,552 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,759 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 32,996 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,647 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,612 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,285 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,037 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,464 |
| Flyover States | 0 | - | 4.52 | 29,401 |
| U.S. States With Double Letters | 0 | - | 4.54 | 23,928 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 75,827 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 44,966 |
