| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,442 |
| States of Mexico | 0 | - | 4.96 | 178,706 |
| Central American Countries | 0 | - | 4.98 | 157,529 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,730 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,397 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,168 |
| Canada Provinces and Territories | 0 | - | 5.00 | 347,052 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,299 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,768 |
| Belize Country Quiz | 0 | - | 4.85 | 21,114 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,945 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,295 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,956 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,960 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,053 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,185 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,327 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,872 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,770 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 105,605 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 55,012 |
| States of Brazil | 0 | - | 4.98 | 90,028 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,691 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 151,025 |
| Famous Caribbean People | 0 | - | 4.37 | 12,668 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,587 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,551 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,986 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,162 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,810 |
| Pixelated United States Map | 0 | - | 4.89 | 94,921 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,721 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,578 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,175 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,424 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,448 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,504 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,545 |
| U.S. States By Population | 0 | - | 4.92 | 154,249 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,363 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,971 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,163 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,970 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,594 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,203 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,169 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,313 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,767 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,873 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,716 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 68,061 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,665 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,638 |
| Famous People from South America | 0 | - | 4.15 | 22,135 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,889 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,574 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,103 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,107 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,180 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,878 |
| History of Mexico | 0 | - | 4.52 | 15,374 |
| Word Chain - South America | 0 | - | 4.51 | 24,020 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,923 |
| African-American Historical Figures | 0 | - | 4.18 | 17,308 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,377 |
| Flags of North and South America | 0 | - | 4.99 | 378,081 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,851 |
| South America Map Quiz | 0 | - | 5.00 | 1,558,282 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,784 |
| Territories of the United States | 0 | - | 4.80 | 52,666 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,924 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 176,234 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,592 |
| New York City Geography | 0 | - | 4.43 | 33,201 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,930 |
| Famous People from Africa | 0 | - | 4.45 | 11,015 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,534 |
| The Only American Country ... | 0 | - | 4.92 | 122,339 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,801 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,604 |
| Honduras Country Quiz | 0 | - | 4.52 | 24,049 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,738 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,640 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,796 |
| American Foods | 0 | - | 3.66 | 39,454 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,696 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,294 |
| United States Country Quiz | 0 | - | 4.43 | 102,333 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,466 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,997 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,098 |
| Canada Country Quiz | 0 | - | 4.55 | 133,165 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,679 |
| Canada A-Z | 0 | - | 4.73 | 32,992 |
| Canada Decoder | 0 | - | 4.07 | 18,783 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,158 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,255 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,618 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 324,535 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,943 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,893 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,968 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,931 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,718 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,804 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,175 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,646 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 19,239 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,779 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,267 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,720 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,427 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,158 |
| New England States | 0 | - | 4.51 | 59,913 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,112 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,136 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,215 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,334 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,182 |
| U.S. States by Borders | 0 | - | 4.61 | 35,513 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,714 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,392 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,479 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,981 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,267 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,851 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,525 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,539 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,901 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,450 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,336 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,617 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 83,159 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,327 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,788 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,446 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,293 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,285 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,223 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,532 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,909 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,585 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,664 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,656 |
| South American Physical Geography | 0 | - | 4.58 | 18,412 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,314 |
| Jamaica Country Quiz | 0 | - | 4.59 | 35,265 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,840 |
| Top U.S. Universities | 0 | - | 4.15 | 145,974 |
| Largest United States Airlines | 0 | - | 4.39 | 55,183 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,191 |
| U.S. States by Governor | 0 | - | 4.43 | 18,122 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,783 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,801 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,914 |
| Events in U.S. History | 0 | - | 4.41 | 28,856 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,218 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,680 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.70 | 61,492 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.62 | 45,291 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,996 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,810 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,621 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,296 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,584 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,849 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,835 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,377 |
| NHL Hockey Teams in Canada | 0 | - | 4.35 | 35,237 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,311 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,435 |
| Word Scramble - Asian Countries | 0 | - | 4.48 | 109,383 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,950 |
| Word Chain - Africa | 0 | - | 4.47 | 31,736 |
| Canada or Africa by Area | 0 | - | 4.78 | 18,628 |
| South American Geography Quiz #2 | 0 | - | 4.40 | 44,338 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,209 |
| Which Island in the United States? | 0 | - | 4.29 | 29,831 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,158 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,351 |
| American Legal Vocabulary | 0 | - | 4.40 | 34,045 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,760 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,326 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,837 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,493 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 56,292 |
| Old West History | 0 | - | 4.34 | 15,308 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,538 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,994 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,800 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 75,105 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,580 |
| Flyover States | 0 | - | 4.53 | 29,615 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,301 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,452 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 129,041 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,464 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,811 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,738 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,566 |
