| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,089 |
| United States Map Quiz | 0 | - | 4.98 | 4,165,166 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,480 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,662 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,097 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,684 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,532 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,195 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,980 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,032 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,227 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,976 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,961 |
| Pixelated United States Map | 0 | - | 4.88 | 94,531 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,070 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,090 |
| New York City Geography | 0 | - | 4.42 | 33,140 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,406 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,821 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,790 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,446 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,779 |
| U.S. States By Population | 0 | - | 4.92 | 153,824 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,820 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,652 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,806 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,598 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,367 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,852 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,363 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,992 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,465 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,704 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,487 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,792 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,027,057 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,985 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,017 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,659 |
| Canada Provinces and Territories | 0 | - | 5.00 | 344,304 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 642,294 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,822 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 903,225 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,324 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,505 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 59,991 |
| Territories of the United States | 0 | - | 4.80 | 52,497 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,769 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,805 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,331 |
| States of Mexico | 0 | - | 4.96 | 177,136 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,293 |
| Central American Countries | 0 | - | 4.98 | 156,909 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,038 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,343 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,872 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 56,062 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,906 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,630 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,628 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,228 |
| United States Country Quiz | 0 | - | 4.43 | 101,840 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,988 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,488 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,712 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,095 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,994 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,279 |
| New England States | 0 | - | 4.51 | 59,853 |
| U.S. States by Land Area | 0 | - | 4.63 | 52,930 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,058 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,961 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,155 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 41,031 |
| U.S. States by Borders | 0 | - | 4.62 | 35,399 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 186,942 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,588 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,185 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,287 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,777 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,125 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,767 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,322 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,444 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,773 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,137 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,081 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,503 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,807 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,118 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,991 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,642 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,543 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,741 |
| 75 Americans Named John | 0 | - | 4.41 | 23,937 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 55,519 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,732 |
| California Multiple Choice | 0 | - | 4.40 | 28,134 |
| Geography of California | 0 | - | 4.26 | 10,597 |
| California Pro Sport Teams | 0 | - | 4.19 | 22,699 |
| San Francisco Trivia | 0 | - | 4.32 | 15,713 |
| San Francisco A-Z | 0 | - | 4.18 | 9,583 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,191 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,344 |
| New York Pro Sport Teams | 0 | - | 4.32 | 25,928 |
| Texas Pro Sport Teams | 0 | - | 4.19 | 16,838 |
| History of Pennsylvania | 0 | - | 4.16 | 7,149 |
| History of Virginia | 0 | - | 4.31 | 11,615 |
| Washington State by Picture | 0 | - | 4.26 | 7,740 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,553 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,262 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,197 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,921 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,218 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.42 | 59,594 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.74 | 63,943 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,538 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,805 |
| Flags of North and South America | 0 | - | 4.99 | 374,933 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,239 |
| South America Map Quiz | 0 | - | 5.00 | 1,552,608 |
| Belize Country Quiz | 0 | - | 4.85 | 21,027 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,261 |
| Top U.S. Universities | 0 | - | 4.15 | 145,465 |
| Largest United States Airlines | 0 | - | 4.39 | 55,091 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,841 |
| U.S. States by Governor | 0 | - | 4.43 | 18,086 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,724 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,721 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,417 |
| Events in U.S. History | 0 | - | 4.41 | 28,739 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,148 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,880 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,968 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,639 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,206 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,411 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,753 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,942 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,549 |
| Flyover States | 0 | - | 4.52 | 29,551 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,196 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,291 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,543 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,746 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,641 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,467 |
| US States with the Most Executions | 0 | - | 4.51 | 26,414 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,115 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,586 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,132 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,196 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,743 |
| The Only American Country ... | 0 | - | 4.92 | 121,906 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,368 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,929 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,161 |
| Which Island in the United States? | 0 | - | 4.29 | 29,643 |
| American Foods | 0 | - | 3.66 | 39,415 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,135 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,299 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,785 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,378 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,935 |
| Branches of the U.S. Military | 0 | - | 4.39 | 24,431 |
| University of California Campuses | 0 | - | 3.84 | 8,930 |
| Old West History | 0 | - | 4.34 | 15,289 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,529 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,962 |
| US States Quiz | 0 | - | 5.00 | 16,935,853 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,608 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,888 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,331 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,693 |
| Canada Country Quiz | 0 | - | 4.54 | 132,764 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,419 |
| Canada A-Z | 0 | - | 4.73 | 32,910 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,490 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,623 |
| History of Mexico | 0 | - | 4.58 | 15,341 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,200 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,313 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,334 |
| States of Brazil | 0 | - | 4.97 | 88,888 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 19,214 |
| U.S. States by Picture #1 | 0 | - | 4.21 | 15,480 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,696 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,362 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,144 |
| Senators Who Ran For President | 0 | - | 4.24 | 17,064 |
| U.S. Electoral College Landslides | 0 | - | 4.35 | 22,063 |
| Chicago City Trivia | 0 | - | 4.31 | 31,486 |
| Boston City Trivia | 0 | - | 4.38 | 24,181 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,439 |
| African-American Historical Figures | 0 | - | 4.18 | 17,242 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,348 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,378 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,499 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,651 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,798 |
