| Cities and Towns of Massachusetts | 0 | - | 4.89 | 59,222 |
| United States Map Quiz | 0 | - | 4.98 | 3,880,998 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.84 | 21,045 |
| The United States... or the United Kingdom? | 0 | - | 4.89 | 89,511 |
| U.S. State Border Crossings | 0 | - | 4.96 | 81,424 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 220,544 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.82 | 32,428 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 64,619 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 54,058 |
| Total United States Immigration by Country | 0 | - | 4.90 | 95,871 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 145,120 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.95 | 182,007 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 67,257 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 338,158 |
| Pixelated United States Map | 0 | - | 4.91 | 81,282 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 91,966 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 77,539 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 99,360 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 95,054 |
| 10 Southernmost U.S. States | 0 | - | 4.84 | 98,056 |
| U.S. States with Short Names | 0 | - | 4.87 | 128,268 |
| U.S. States that Start with M | 0 | - | 4.91 | 149,126 |
| U.S. States By Population | 0 | - | 4.90 | 129,191 |
| U.S. States that Start with N | 0 | - | 4.95 | 154,272 |
| U.S. States with Longest Names | 0 | - | 4.84 | 35,471 |
| 10 Northernmost U.S. States | 0 | - | 4.86 | 61,584 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 77,024 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 57,845 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 54,932 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 144,327 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 167,103 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 98,510 |
| Countries of North America Quiz | 0 | - | 5.00 | 869,147 |
| Countries that Beat the United States | 0 | - | 4.92 | 143,647 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.77 | 56,370 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.89 | 88,376 |
| U.S. States with the Most Immigrants | 0 | - | 4.86 | 72,633 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 573,207 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 847,314 |
| North American Capitals - Map Quiz | 0 | - | 4.91 | 46,398 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 46,049 |
| Canada Provinces and Territories | 0 | - | 4.99 | 286,749 |
| Territories of the United States | 0 | - | 4.76 | 48,212 |
| Most Mentioned Enemies of the USA | 0 | - | 4.79 | 158,466 |
| Major non-NATO U.S. Allies | 0 | - | 4.43 | 33,139 |
| Red State or Blue State Trait? | 0 | - | 4.43 | 47,679 |
| Washington... or Washington D.C.? | 0 | - | 4.31 | 25,093 |
| Georgia ... or Georgia? | 0 | - | 4.79 | 71,403 |
| States of Mexico | 0 | - | 4.94 | 138,373 |
| Mexico States Map Quiz | 0 | - | 4.85 | 89,407 |
| Central American Countries | 0 | - | 4.98 | 137,886 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 103,498 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 115,358 |
| California Multiple Choice | 0 | - | 4.40 | 26,734 |
| Florida Multiple Choice | 0 | - | 4.29 | 9,660 |
| Florida Pro Sport Teams | 0 | - | 4.63 | 9,633 |
| Washington State by Picture | 0 | - | 4.16 | 7,091 |
| U.S. State Nicknames Quiz | 0 | - | 4.49 | 45,798 |
| U.S. National Parks Quiz | 0 | - | 4.79 | 46,232 |
| Countries with American Expatriates | 0 | - | 4.59 | 40,805 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,129 |
| United States Country Quiz | 0 | - | 4.45 | 87,939 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 71,978 |
| The U.S. Government - How Does it Work? | 0 | - | 4.33 | 39,650 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.40 | 55,327 |
| North Carolina... or South Carolina? | 0 | - | 4.21 | 9,628 |
| Countries Closest to Canada | 0 | - | 4.90 | 183,224 |
| American Legal Vocabulary | 0 | - | 4.43 | 31,973 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 198,037 |
| New York City Geography | 0 | - | 4.40 | 23,338 |
| New England States | 0 | - | 4.53 | 52,350 |
| US States by Land Area | 0 | - | 4.59 | 48,191 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.52 | 35,999 |
| Add a Letter - Make a U.S. State | 0 | - | 4.76 | 75,962 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 50,644 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.79 | 36,989 |
| Save Americans by Guessing U.S. States | 0 | - | 4.56 | 147,137 |
| Which U.S. State - Multiple Choice | 0 | - | 4.45 | 18,858 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 52,679 |
| The Only U.S. State ... #1 | 0 | - | 4.55 | 82,124 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.47 | 40,254 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.47 | 93,099 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.80 | 56,089 |
| Top 10 Most African-American U.S. States | 0 | - | 4.47 | 61,225 |
| Top 10 Newest U.S. States | 0 | - | 4.80 | 67,656 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 61,267 |
| Top 10 Most Obese U.S. States | 0 | - | 4.50 | 64,665 |
| Top 10 Least Obese U.S. States | 0 | - | 4.80 | 67,452 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.51 | 64,068 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.44 | 47,703 |
| Top 10 Most White U.S. States | 0 | - | 4.52 | 55,046 |
| Top 10 Most German U.S. States | 0 | - | 4.49 | 42,063 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.44 | 37,200 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.65 | 41,850 |
| Countries that Beat Canada | 0 | - | 4.91 | 77,439 |
| U.S. Federal Holidays | 0 | - | 4.29 | 95,368 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.46 | 13,696 |
| California Pro Sport Teams | 0 | - | 4.23 | 22,032 |
| San Francisco Trivia | 0 | - | 4.33 | 15,160 |
| San Francisco A-Z | 0 | - | 4.19 | 9,018 |
| Chicago City Trivia | 0 | - | 4.26 | 30,324 |
| Boston Trivia | 0 | - | 4.37 | 23,373 |
| Boston Talk to English Translation Quiz | 0 | - | 4.45 | 14,040 |
| Texas Pro Sport Teams | 0 | - | 4.11 | 16,153 |
| History of Pennsylvania | 0 | - | 4.09 | 6,394 |
| History of Virginia | 0 | - | 4.33 | 10,895 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.74 | 53,773 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 52,692 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.75 | 42,132 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.52 | 58,108 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.51 | 33,746 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.64 | 46,520 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 31,644 |
| U.S. History Multiple Choice #5 | 0 | - | 4.34 | 10,273 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 104,904 |
| South America Map Quiz | 0 | - | 5.00 | 1,410,122 |
| Belize Country Quiz | 0 | - | 4.88 | 18,557 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.87 | 16,909 |
| Top U.S. Universities | 0 | - | 4.11 | 111,889 |
| Largest United States Airlines | 0 | - | 4.38 | 51,815 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 106,041 |
| U.S. States by Governor Quiz | 0 | - | 4.42 | 16,884 |
| U.S. Political Parties in History | 0 | - | 4.42 | 26,037 |
| U.S. Government Agencies | 0 | - | 4.41 | 17,498 |
| U.S. History Multiple Choice #2 | 0 | - | 4.36 | 23,856 |
| U.S. History Multiple Choice #1 | 0 | - | 4.28 | 21,102 |
| U.S. History Multiple Choice #3 | 0 | - | 4.39 | 23,285 |
| U.S. History Multiple Choice #4 | 0 | - | 4.24 | 23,979 |
| Dominica Country Quiz | 0 | - | 4.82 | 17,582 |
| Cities by Picture #2 | 0 | - | 4.22 | 32,140 |
| American Geography Quiz for Dummies | 0 | - | 4.33 | 52,596 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.34 | 70,363 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.49 | 20,411 |
| Flyover States | 0 | - | 4.51 | 27,850 |
| U.S. States With Double Letters | 0 | - | 4.64 | 4,019 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.29 | 57,352 |
| U.S. States by Borders | 0 | - | 4.59 | 26,102 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.38 | 120,471 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.46 | 27,533 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.66 | 29,591 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.30 | 40,495 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.34 | 62,543 |
| US States with the Most Executions | 0 | - | 4.51 | 25,620 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.60 | 26,836 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.48 | 34,814 |
| Top 10 Least White U.S. States | 0 | - | 4.18 | 36,289 |
| Top 10 Least Happy U.S. States | 0 | - | 4.55 | 22,103 |
| Canada Immigration by Country | 0 | - | 4.52 | 56,756 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 306,303 |
| The Only American Country ... | 0 | - | 4.94 | 108,854 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,000 |
| North America Capitals Quiz | 0 | - | 4.99 | 184,099 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.12 | 25,975 |
| American Islands | 0 | - | 4.16 | 15,710 |
| American Foods | 0 | - | 3.69 | 38,101 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.23 | 5,674 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.19 | 13,577 |
| U.S. Groups of Four Quiz | 0 | - | 4.37 | 23,143 |
| U.S. Groups of Three Quiz | 0 | - | 4.03 | 19,408 |
| University of California Campuses | 0 | - | 3.83 | 8,024 |
| Old West History | 0 | - | 4.28 | 14,761 |
| Life of Benjamin Franklin | 0 | - | 4.18 | 6,208 |
| American Revolution - Multiple Choice | 0 | - | 4.31 | 18,711 |
| US States Quiz | 0 | - | 5.00 | 14,570,924 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 27,373 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.35 | 40,027 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.40 | 49,505 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.60 | 30,901 |
| Canada Country Quiz | 0 | - | 4.49 | 120,431 |
| Canada Cities Map Quiz | 0 | - | 4.65 | 108,765 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 80,353 |
| American Countries With No Atlantic Coastline | 0 | - | 4.90 | 72,602 |
| History of Mexico | 0 | - | 4.55 | 13,785 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 93,114 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.89 | 38,855 |
| Brazil States Map Quiz | 0 | - | 4.84 | 38,924 |
| States of Brazil | 0 | - | 4.96 | 67,266 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 18,323 |
| U.S. States by Picture #1 | 0 | - | 4.15 | 14,277 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 71,139 |
| Every U.S. Metro Area on a Map | 0 | - | 4.96 | 61,899 |
| Senators Who Ran For President | 0 | - | 4.28 | 16,253 |
| U.S. Electoral College Landslides | 0 | - | 4.33 | 20,926 |
| Geography of California | 0 | - | 4.23 | 9,614 |
| New York Pro Sport Teams | 0 | - | 4.29 | 14,918 |
| Events in U.S. History | 0 | - | 4.39 | 25,892 |
| Embarrassing Chapters in US History | 0 | - | 4.15 | 31,332 |
| African-American Historical Figures | 0 | - | 4.14 | 16,327 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 72,993 |
| Most-Visited Countries by Canadians | 0 | - | 4.79 | 37,817 |
| Canadian Geography on the Map | 0 | - | 4.56 | 23,996 |
| Canada or Africa by Area | 0 | - | 4.79 | 13,142 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 82,885 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.87 | 67,171 |
| Jamaica Country Quiz | 0 | - | 4.59 | 31,850 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 34,661 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 90,352 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 31,459 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.95 | 269,664 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 123,325 |
