| Cities and Towns of Massachusetts | 0 | - | 4.89 | 60,298 |
| United States Map Quiz | 0 | - | 4.98 | 3,901,276 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.83 | 21,577 |
| U.S. State Border Crossings | 0 | - | 4.96 | 82,073 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 222,071 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.83 | 33,209 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.87 | 65,253 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 54,672 |
| Total United States Immigration by Country | 0 | - | 4.89 | 96,630 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 146,818 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.95 | 184,649 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 67,569 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 340,008 |
| Pixelated United States Map | 0 | - | 4.90 | 82,152 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 93,205 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 78,581 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 100,500 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 96,103 |
| 10 Southernmost U.S. States | 0 | - | 4.84 | 99,156 |
| U.S. States with Short Names | 0 | - | 4.87 | 129,607 |
| U.S. States that Start with M | 0 | - | 4.91 | 150,382 |
| U.S. States By Population | 0 | - | 4.90 | 129,944 |
| U.S. States that Start with N | 0 | - | 4.95 | 155,445 |
| U.S. States with Longest Names | 0 | - | 4.84 | 36,012 |
| 10 Northernmost U.S. States | 0 | - | 4.89 | 73,622 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 77,768 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 58,313 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 56,033 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 145,312 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 167,848 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 99,019 |
| Top 10 Newest U.S. States | 0 | - | 4.81 | 68,067 |
| Top 10 Least Obese U.S. States | 0 | - | 4.81 | 68,092 |
| Countries of North America Quiz | 0 | - | 5.00 | 879,189 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 584,545 |
| The United States... or the United Kingdom? | 0 | - | 4.89 | 90,211 |
| Countries that Beat the United States | 0 | - | 4.92 | 145,595 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.77 | 56,977 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.89 | 89,397 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 73,151 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 850,950 |
| North American Capitals - Map Quiz | 0 | - | 4.91 | 47,071 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.98 | 47,388 |
| Canada Provinces and Territories | 0 | - | 4.99 | 289,510 |
| States of Mexico | 0 | - | 4.95 | 141,141 |
| Mexico States Map Quiz | 0 | - | 4.84 | 90,533 |
| Central American Countries | 0 | - | 4.98 | 139,400 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 104,376 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 116,610 |
| Territories of the United States | 0 | - | 4.76 | 48,514 |
| Most Mentioned Enemies of the USA | 0 | - | 4.79 | 159,780 |
| Major non-NATO U.S. Allies | 0 | - | 4.43 | 33,427 |
| Florida Pro Sport Teams | 0 | - | 4.66 | 10,273 |
| Georgia ... or Georgia? | 0 | - | 4.79 | 71,893 |
| U.S. State Nicknames Quiz | 0 | - | 4.49 | 46,135 |
| U.S. National Parks Quiz | 0 | - | 4.79 | 46,694 |
| Countries with American Expatriates | 0 | - | 4.58 | 40,910 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,313 |
| United States Country Quiz | 0 | - | 4.45 | 89,055 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 72,429 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.40 | 55,641 |
| New York City Geography | 0 | - | 4.40 | 23,394 |
| Countries Closest to Canada | 0 | - | 4.90 | 184,382 |
| U.S. Federal Holidays | 0 | - | 4.29 | 95,647 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.46 | 13,755 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 198,584 |
| New England States | 0 | - | 4.54 | 52,430 |
| US States by Land Area | 0 | - | 4.59 | 48,461 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.52 | 36,158 |
| Add a Letter - Make a U.S. State | 0 | - | 4.74 | 76,470 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 51,043 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.78 | 37,264 |
| Save Americans by Guessing U.S. States | 0 | - | 4.57 | 149,957 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 52,979 |
| The Only U.S. State ... #1 | 0 | - | 4.55 | 82,566 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.47 | 40,487 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.47 | 93,593 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.79 | 56,314 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 61,430 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 61,634 |
| Top 10 Most Obese U.S. States | 0 | - | 4.50 | 64,851 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.51 | 64,488 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.45 | 48,224 |
| Top 10 Most White U.S. States | 0 | - | 4.52 | 55,588 |
| Top 10 Most German U.S. States | 0 | - | 4.50 | 42,282 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.44 | 37,427 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.65 | 42,102 |
| Countries that Beat Canada | 0 | - | 4.91 | 78,120 |
| California Multiple Choice | 0 | - | 4.40 | 26,850 |
| California Pro Sport Teams | 0 | - | 4.23 | 22,070 |
| San Francisco Trivia | 0 | - | 4.34 | 15,194 |
| San Francisco A-Z | 0 | - | 4.19 | 9,041 |
| Florida Multiple Choice | 0 | - | 4.30 | 9,713 |
| Chicago City Trivia | 0 | - | 4.26 | 30,397 |
| Boston Trivia | 0 | - | 4.37 | 23,427 |
| Boston Talk to English Translation Quiz | 0 | - | 4.45 | 14,142 |
| Texas Pro Sport Teams | 0 | - | 4.11 | 16,196 |
| History of Pennsylvania | 0 | - | 4.09 | 6,434 |
| History of Virginia | 0 | - | 4.33 | 10,935 |
| Washington State by Picture | 0 | - | 4.16 | 7,135 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.75 | 54,000 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 52,901 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.76 | 42,381 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 58,283 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 33,929 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.65 | 46,700 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 31,759 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 106,622 |
| South America Map Quiz | 0 | - | 5.00 | 1,419,674 |
| Belize Country Quiz | 0 | - | 4.88 | 18,743 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 17,068 |
| Top U.S. Universities | 0 | - | 4.12 | 112,976 |
| Largest United States Airlines | 0 | - | 4.38 | 52,018 |
| Third Most Common Language by U.S. State | 0 | - | 4.91 | 107,023 |
| U.S. States by Governor Quiz | 0 | - | 4.42 | 16,946 |
| U.S. Political Parties in History | 0 | - | 4.42 | 26,160 |
| U.S. Government Agencies | 0 | - | 4.41 | 17,655 |
| North Carolina... or South Carolina? | 0 | - | 4.22 | 9,704 |
| Canada Immigration by Country | 0 | - | 4.52 | 57,186 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 309,644 |
| The Only American Country ... | 0 | - | 4.94 | 109,644 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,800 |
| Dominica Country Quiz | 0 | - | 4.83 | 17,769 |
| North America Capitals Quiz | 0 | - | 4.99 | 185,933 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.11 | 26,036 |
| American Islands | 0 | - | 4.16 | 15,749 |
| American Foods | 0 | - | 3.71 | 38,177 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.23 | 5,694 |
| American Legal Vocabulary | 0 | - | 4.40 | 32,136 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 31,709 |
| Cities by Picture #2 | 0 | - | 4.22 | 32,351 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.19 | 13,647 |
| U.S. Groups of Four Quiz | 0 | - | 4.37 | 23,298 |
| U.S. Groups of Three Quiz | 0 | - | 4.03 | 19,498 |
| American Geography Quiz for Dummies | 0 | - | 4.33 | 52,964 |
| The U.S. Government - How Does it Work? | 0 | - | 4.32 | 39,843 |
| University of California Campuses | 0 | - | 3.85 | 8,086 |
| Washington... or Washington D.C.? | 0 | - | 4.32 | 25,208 |
| Old West History | 0 | - | 4.28 | 14,784 |
| Life of Benjamin Franklin | 0 | - | 4.18 | 6,221 |
| American Revolution - Multiple Choice | 0 | - | 4.32 | 18,802 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.34 | 70,737 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.49 | 20,488 |
| Flyover States | 0 | - | 4.51 | 27,982 |
| U.S. States With Double Letters | 0 | - | 4.66 | 4,268 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.29 | 57,747 |
| U.S. States by Borders | 0 | - | 4.58 | 26,290 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.38 | 120,899 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.46 | 27,708 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.71 | 29,861 |
| U.S. States with Oldest Median Age | 0 | - | 4.35 | 31,733 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.30 | 40,865 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.34 | 62,928 |
| US States with the Most Executions | 0 | - | 4.51 | 25,672 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.60 | 26,992 |
| Top 10 Least White U.S. States | 0 | - | 4.18 | 36,496 |
| Top 10 Least Happy U.S. States | 0 | - | 4.55 | 22,270 |
| US States Quiz | 0 | - | 5.00 | 14,730,572 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 27,478 |
| Which U.S. State - Multiple Choice | 0 | - | 4.45 | 18,973 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.35 | 40,182 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.49 | 35,034 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.40 | 49,856 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.60 | 31,076 |
| Canada Country Quiz | 0 | - | 4.54 | 121,329 |
| Canada Cities Map Quiz | 0 | - | 4.65 | 109,383 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 81,346 |
| American Countries With No Atlantic Coastline | 0 | - | 4.90 | 73,134 |
| History of Mexico | 0 | - | 4.55 | 13,891 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 94,136 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.90 | 39,870 |
| Brazil States Map Quiz | 0 | - | 4.83 | 39,529 |
| States of Brazil | 0 | - | 4.97 | 68,532 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 18,399 |
| U.S. States by Picture #1 | 0 | - | 4.15 | 14,348 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 72,551 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 62,748 |
| Senators Who Ran For President | 0 | - | 4.28 | 16,300 |
| U.S. Electoral College Landslides | 0 | - | 4.33 | 21,000 |
| Geography of California | 0 | - | 4.23 | 9,669 |
| New York Pro Sport Teams | 0 | - | 4.29 | 14,976 |
| Events in U.S. History | 0 | - | 4.39 | 26,103 |
| Embarrassing Chapters in US History | 0 | - | 4.15 | 31,455 |
| African-American Historical Figures | 0 | - | 4.14 | 16,398 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 73,616 |
| Most-Visited Countries by Canadians | 0 | - | 4.79 | 37,894 |
| Canadian Geography on the Map | 0 | - | 4.56 | 24,150 |
| Canada or Africa by Area | 0 | - | 4.79 | 13,552 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 83,333 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.88 | 68,214 |
| Jamaica Country Quiz | 0 | - | 4.59 | 32,102 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,168,954 |
| Deadliest U.S. Wars | 0 | - | 4.83 | 158,041 |
| The Life of Thomas Edison | 0 | - | 4.03 | 4,648 |
| U.S. History Multiple Choice #2 | 0 | - | 4.36 | 23,945 |
| U.S. History Multiple Choice #1 | 0 | - | 4.28 | 21,195 |
| U.S. History Multiple Choice #3 | 0 | - | 4.39 | 23,384 |
| Valid Answer - U.S. History | 0 | - | 4.19 | 21,303 |
| U.S. History Multiple Choice #4 | 0 | - | 4.24 | 24,109 |
| U.S. State Symbols | 0 | - | 4.38 | 23,644 |
