| Cities and Towns of Massachusetts | 0 | - | 4.89 | 60,536 |
| United States Map Quiz | 0 | - | 4.98 | 3,906,628 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.84 | 21,707 |
| U.S. State Border Crossings | 0 | - | 4.96 | 82,191 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 222,287 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.83 | 33,400 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 65,411 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 54,885 |
| Total United States Immigration by Country | 0 | - | 4.89 | 96,868 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 147,190 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 185,349 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 67,678 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 340,424 |
| Pixelated United States Map | 0 | - | 4.90 | 82,336 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 93,514 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 78,835 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 100,673 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 96,299 |
| 10 Southernmost U.S. States | 0 | - | 4.84 | 99,344 |
| U.S. States with Short Names | 0 | - | 4.87 | 129,884 |
| U.S. States that Start with M | 0 | - | 4.91 | 150,612 |
| U.S. States By Population | 0 | - | 4.90 | 130,067 |
| U.S. States that Start with N | 0 | - | 4.95 | 155,674 |
| U.S. States with Longest Names | 0 | - | 4.84 | 36,105 |
| 10 Northernmost U.S. States | 0 | - | 4.89 | 73,748 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 77,945 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 58,418 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 56,183 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 145,497 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 167,958 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 99,103 |
| Top 10 Newest U.S. States | 0 | - | 4.81 | 68,155 |
| Top 10 Least Obese U.S. States | 0 | - | 4.81 | 68,223 |
| Countries of North America Quiz | 0 | - | 5.00 | 881,665 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 585,554 |
| The United States... or the United Kingdom? | 0 | - | 4.89 | 90,375 |
| Countries that Beat the United States | 0 | - | 4.92 | 145,889 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.77 | 57,126 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.89 | 89,622 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 73,280 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 852,549 |
| North American Capitals - Map Quiz | 0 | - | 4.91 | 47,229 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.98 | 47,589 |
| Canada Provinces and Territories | 0 | - | 4.99 | 290,112 |
| States of Mexico | 0 | - | 4.95 | 141,634 |
| Mexico States Map Quiz | 0 | - | 4.84 | 90,713 |
| Central American Countries | 0 | - | 4.98 | 139,661 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 104,524 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 116,791 |
| Territories of the United States | 0 | - | 4.76 | 48,594 |
| Most Mentioned Enemies of the USA | 0 | - | 4.79 | 159,990 |
| Major non-NATO U.S. Allies | 0 | - | 4.43 | 33,486 |
| Florida Pro Sport Teams | 0 | - | 4.66 | 10,349 |
| Georgia ... or Georgia? | 0 | - | 4.79 | 71,985 |
| U.S. State Nicknames Quiz | 0 | - | 4.49 | 46,213 |
| U.S. National Parks Quiz | 0 | - | 4.79 | 46,808 |
| Countries with American Expatriates | 0 | - | 4.58 | 40,945 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,350 |
| United States Country Quiz | 0 | - | 4.45 | 89,283 |
| Busiest Air Routes from the U.S. | 0 | - | 4.47 | 72,518 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.40 | 55,729 |
| New York City Geography | 0 | - | 4.40 | 23,412 |
| Countries Closest to Canada | 0 | - | 4.90 | 184,636 |
| U.S. Federal Holidays | 0 | - | 4.29 | 95,700 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.46 | 13,783 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 198,697 |
| New England States | 0 | - | 4.54 | 52,444 |
| US States by Land Area | 0 | - | 4.58 | 48,527 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 36,199 |
| Add a Letter - Make a U.S. State | 0 | - | 4.74 | 76,591 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 51,127 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.78 | 37,341 |
| Save Americans by Guessing U.S. States | 0 | - | 4.57 | 150,526 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 53,017 |
| The Only U.S. State ... #1 | 0 | - | 4.51 | 82,657 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.47 | 40,531 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.47 | 93,697 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.79 | 56,362 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 61,465 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 61,711 |
| Top 10 Most Obese U.S. States | 0 | - | 4.50 | 64,882 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.51 | 64,583 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.45 | 48,318 |
| Top 10 Most White U.S. States | 0 | - | 4.52 | 55,692 |
| Top 10 Most German U.S. States | 0 | - | 4.50 | 42,331 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.44 | 37,482 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.65 | 42,165 |
| Countries that Beat Canada | 0 | - | 4.91 | 78,276 |
| Red State or Blue State Trait? | 0 | - | 4.43 | 48,478 |
| California Multiple Choice | 0 | - | 4.40 | 26,876 |
| California Pro Sport Teams | 0 | - | 4.24 | 22,134 |
| San Francisco Trivia | 0 | - | 4.34 | 15,209 |
| San Francisco A-Z | 0 | - | 4.19 | 9,047 |
| Florida Multiple Choice | 0 | - | 4.30 | 9,722 |
| Chicago City Trivia | 0 | - | 4.26 | 30,413 |
| Boston Trivia | 0 | - | 4.37 | 23,445 |
| Boston Talk to English Translation Quiz | 0 | - | 4.46 | 14,164 |
| Texas Pro Sport Teams | 0 | - | 4.12 | 16,238 |
| History of Pennsylvania | 0 | - | 4.09 | 6,442 |
| History of Virginia | 0 | - | 4.33 | 10,943 |
| Washington State by Picture | 0 | - | 4.16 | 7,147 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.75 | 54,049 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 52,942 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.76 | 42,430 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 58,314 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 33,964 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.41 | 49,924 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.65 | 46,746 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 31,783 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 107,064 |
| South America Map Quiz | 0 | - | 5.00 | 1,422,639 |
| Belize Country Quiz | 0 | - | 4.88 | 18,788 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 17,107 |
| Top U.S. Universities | 0 | - | 4.12 | 113,169 |
| Largest United States Airlines | 0 | - | 4.38 | 52,062 |
| Third Most Common Language by U.S. State | 0 | - | 4.91 | 107,141 |
| U.S. States by Governor Quiz | 0 | - | 4.42 | 16,959 |
| U.S. Political Parties in History | 0 | - | 4.42 | 26,184 |
| U.S. Government Agencies | 0 | - | 4.41 | 17,694 |
| North Carolina... or South Carolina? | 0 | - | 4.22 | 9,723 |
| Canada Immigration by Country | 0 | - | 4.52 | 57,285 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 310,428 |
| The Only American Country ... | 0 | - | 4.94 | 109,849 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,978 |
| Dominica Country Quiz | 0 | - | 4.83 | 17,811 |
| North America Capitals Quiz | 0 | - | 4.99 | 186,300 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.11 | 26,052 |
| American Islands | 0 | - | 4.16 | 15,760 |
| American Foods | 0 | - | 3.71 | 38,189 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.23 | 5,699 |
| American Legal Vocabulary | 0 | - | 4.40 | 32,175 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 31,759 |
| Cities by Picture #2 | 0 | - | 4.22 | 32,395 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.19 | 13,660 |
| U.S. Groups of Four Quiz | 0 | - | 4.37 | 23,334 |
| U.S. Groups of Three Quiz | 0 | - | 4.05 | 19,521 |
| American Geography Quiz for Dummies | 0 | - | 4.33 | 53,045 |
| The U.S. Government - How Does it Work? | 0 | - | 4.32 | 39,881 |
| University of California Campuses | 0 | - | 3.85 | 8,102 |
| Washington... or Washington D.C.? | 0 | - | 4.33 | 25,239 |
| Old West History | 0 | - | 4.28 | 14,791 |
| Life of Benjamin Franklin | 0 | - | 4.18 | 6,222 |
| American Revolution - Multiple Choice | 0 | - | 4.32 | 18,816 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.34 | 70,829 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.49 | 20,504 |
| Flyover States | 0 | - | 4.51 | 28,008 |
| U.S. States With Double Letters | 0 | - | 4.66 | 4,300 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.30 | 57,821 |
| U.S. States by Borders | 0 | - | 4.56 | 26,357 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.38 | 121,003 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.46 | 27,741 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.71 | 29,925 |
| U.S. States with Oldest Median Age | 0 | - | 4.35 | 31,750 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.30 | 40,939 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.34 | 63,007 |
| US States with the Most Executions | 0 | - | 4.51 | 25,673 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.60 | 27,026 |
| Top 10 Least White U.S. States | 0 | - | 4.18 | 36,549 |
| Top 10 Least Happy U.S. States | 0 | - | 4.55 | 22,313 |
| US States Quiz | 0 | - | 5.00 | 14,768,749 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 27,509 |
| Which U.S. State - Multiple Choice | 0 | - | 4.45 | 18,989 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.35 | 40,213 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.49 | 35,076 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.60 | 31,108 |
| Canada Country Quiz | 0 | - | 4.54 | 121,521 |
| Canada Cities Map Quiz | 0 | - | 4.65 | 109,490 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 81,525 |
| American Countries With No Atlantic Coastline | 0 | - | 4.90 | 73,269 |
| History of Mexico | 0 | - | 4.55 | 13,923 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 94,377 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.90 | 40,121 |
| Brazil States Map Quiz | 0 | - | 4.83 | 39,638 |
| States of Brazil | 0 | - | 4.97 | 68,811 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 18,422 |
| U.S. States by Picture #1 | 0 | - | 4.15 | 14,365 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 72,873 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 62,964 |
| Senators Who Ran For President | 0 | - | 4.28 | 16,309 |
| U.S. Electoral College Landslides | 0 | - | 4.33 | 21,013 |
| Geography of California | 0 | - | 4.23 | 9,678 |
| New York Pro Sport Teams | 0 | - | 4.33 | 23,773 |
| Events in U.S. History | 0 | - | 4.39 | 26,148 |
| Embarrassing Chapters in US History | 0 | - | 4.15 | 31,485 |
| African-American Historical Figures | 0 | - | 4.14 | 16,403 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 73,710 |
| Most-Visited Countries by Canadians | 0 | - | 4.79 | 37,918 |
| Canadian Geography on the Map | 0 | - | 4.56 | 24,191 |
| Canada or Africa by Area | 0 | - | 4.81 | 13,669 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 83,411 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.88 | 68,365 |
| Jamaica Country Quiz | 0 | - | 4.59 | 32,166 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,176,939 |
| Deadliest U.S. Wars | 0 | - | 4.83 | 158,311 |
| The Life of Thomas Edison | 0 | - | 4.03 | 4,650 |
| U.S. History Multiple Choice #2 | 0 | - | 4.36 | 23,964 |
| U.S. History Multiple Choice #1 | 0 | - | 4.28 | 21,214 |
| U.S. History Multiple Choice #3 | 0 | - | 4.39 | 23,407 |
| Valid Answer - U.S. History | 0 | - | 4.19 | 21,329 |
| U.S. History Multiple Choice #4 | 0 | - | 4.24 | 24,134 |
