| Cities and Towns of Massachusetts | 0 | - | 4.91 | 67,246 |
| United States Map Quiz | 0 | - | 4.98 | 4,029,377 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.83 | 61,079 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.88 | 24,646 |
| U.S. State Border Crossings | 0 | - | 4.96 | 85,517 |
| U.S. Citizenship Test Questions | 0 | - | 4.84 | 229,592 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.86 | 69,587 |
| Total United States Immigration by Country | 0 | - | 4.88 | 103,059 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.95 | 164,622 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 199,760 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 69,978 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 353,481 |
| Pixelated United States Map | 0 | - | 4.91 | 87,214 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 100,474 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 84,465 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 108,419 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 103,333 |
| 10 Southernmost U.S. States | 0 | - | 4.87 | 105,620 |
| U.S. States with Short Names | 0 | - | 4.89 | 138,830 |
| U.S. States that Start with M | 0 | - | 4.92 | 176,589 |
| U.S. States By Population | 0 | - | 4.90 | 135,980 |
| U.S. States that Start with N | 0 | - | 4.94 | 162,934 |
| U.S. States with Longest Names | 0 | - | 4.87 | 39,794 |
| 10 Northernmost U.S. States | 0 | - | 4.89 | 78,157 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 82,610 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 60,929 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 60,194 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.94 | 152,433 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 172,692 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 118,618 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.83 | 66,239 |
| Top 10 Newest U.S. States | 0 | - | 4.83 | 82,311 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.82 | 61,328 |
| Countries of North America Quiz | 0 | - | 5.00 | 939,956 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 605,915 |
| Countries that Beat the United States | 0 | - | 4.92 | 156,136 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 95,323 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 77,704 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 94,030 |
| Central America and Caribbean Map Quiz | 0 | - | 4.88 | 878,444 |
| North American Capitals - Map Quiz | 0 | - | 4.89 | 51,613 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 54,102 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 57,642 |
| Canada Provinces and Territories | 0 | - | 4.99 | 307,664 |
| States of Mexico | 0 | - | 4.93 | 155,182 |
| Mexico States Map Quiz | 0 | - | 4.81 | 96,789 |
| Central American Countries | 0 | - | 4.98 | 146,769 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 108,386 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 122,552 |
| Territories of the United States | 0 | - | 4.77 | 50,313 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.80 | 36,968 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 167,510 |
| Major non-NATO U.S. Allies | 0 | - | 4.46 | 40,398 |
| Florida Pro Sport Teams | 0 | - | 4.67 | 11,010 |
| Georgia ... or Georgia? | 0 | - | 4.69 | 74,237 |
| U.S. State Nicknames Quiz | 0 | - | 4.49 | 48,102 |
| U.S. National Parks Quiz | 0 | - | 4.80 | 50,045 |
| Countries with American Expatriates | 0 | - | 4.55 | 41,675 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 39,247 |
| United States Country Quiz | 0 | - | 4.45 | 94,849 |
| Busiest Air Routes from the U.S. | 0 | - | 4.47 | 74,797 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.74 | 57,558 |
| New York City Geography | 0 | - | 4.38 | 23,792 |
| Countries Closest to Canada | 0 | - | 4.90 | 190,717 |
| U.S. Federal Holidays | 0 | - | 4.30 | 97,530 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,169 |
| New England States | 0 | - | 4.52 | 53,116 |
| US States by Land Area | 0 | - | 4.62 | 50,385 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.52 | 37,145 |
| Add a Letter - Make a U.S. State | 0 | - | 4.73 | 79,391 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 53,295 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.77 | 38,924 |
| U.S. States by Borders | 0 | - | 4.59 | 33,603 |
| Save Americans by Guessing U.S. States | 0 | - | 4.53 | 166,073 |
| 10 Easternmost U.S. States | 0 | - | 4.55 | 54,566 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 84,934 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.49 | 42,196 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 96,828 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 73,032 |
| Top 10 Most Asian U.S. States | 0 | - | 4.79 | 72,698 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 79,957 |
| Top 10 Least Obese U.S. States | 0 | - | 4.74 | 71,515 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.47 | 72,602 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 50,436 |
| Top 10 Most White U.S. States | 0 | - | 4.50 | 76,765 |
| Top 10 Most German U.S. States | 0 | - | 4.49 | 56,696 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 38,864 |
| Countries that Beat Canada | 0 | - | 4.90 | 82,764 |
| Red State or Blue State Trait? | 0 | - | 4.45 | 51,757 |
| California Multiple Choice | 0 | - | 4.40 | 27,490 |
| California Pro Sport Teams | 0 | - | 4.23 | 22,367 |
| San Francisco Trivia | 0 | - | 4.35 | 15,410 |
| San Francisco A-Z | 0 | - | 4.22 | 9,263 |
| Florida Multiple Choice | 0 | - | 4.33 | 9,939 |
| Chicago City Trivia | 0 | - | 4.27 | 30,880 |
| Boston Trivia | 0 | - | 4.38 | 23,760 |
| Boston Talk to English Translation Quiz | 0 | - | 4.47 | 14,725 |
| Texas Pro Sport Teams | 0 | - | 4.14 | 16,449 |
| History of Pennsylvania | 0 | - | 4.11 | 6,797 |
| History of Virginia | 0 | - | 4.34 | 11,274 |
| Washington State by Picture | 0 | - | 4.24 | 7,389 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.74 | 55,173 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.75 | 53,958 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.64 | 43,756 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 66,898 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 34,947 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.61 | 48,015 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 32,445 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 31,800 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 330,720 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 116,430 |
| South America Map Quiz | 0 | - | 5.00 | 1,479,796 |
| Belize Country Quiz | 0 | - | 4.87 | 19,777 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 18,056 |
| Top U.S. Universities | 0 | - | 4.14 | 135,542 |
| Largest United States Airlines | 0 | - | 4.38 | 53,326 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 110,433 |
| U.S. States by Governor Quiz | 0 | - | 4.42 | 17,419 |
| U.S. Political Parties in History | 0 | - | 4.43 | 26,829 |
| U.S. Government Agencies | 0 | - | 4.44 | 18,555 |
| North Carolina... or South Carolina? | 0 | - | 4.18 | 10,129 |
| Embarrassing Chapters in US History | 0 | - | 4.19 | 32,246 |
| Canada Immigration by Country | 0 | - | 4.51 | 59,619 |
| The Only American Country ... | 0 | - | 4.93 | 114,769 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 105,339 |
| Dominica Country Quiz | 0 | - | 4.82 | 18,741 |
| North America Capitals Quiz | 0 | - | 4.99 | 199,944 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.09 | 26,480 |
| American Islands | 0 | - | 4.18 | 16,063 |
| American Foods | 0 | - | 3.69 | 38,649 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 5,890 |
| American Legal Vocabulary | 0 | - | 4.40 | 32,938 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 33,052 |
| Cities by Picture #2 | 0 | - | 4.22 | 33,677 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.23 | 14,121 |
| U.S. Groups of Four Quiz | 0 | - | 4.38 | 24,261 |
| U.S. Groups of Three Quiz | 0 | - | 4.06 | 20,176 |
| Countries Closest to the U. S. | 0 | - | 4.40 | 202,141 |
| American Geography Quiz for Dummies | 0 | - | 4.36 | 55,193 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 41,045 |
| University of California Campuses | 0 | - | 3.90 | 8,500 |
| Washington... or Washington D.C.? | 0 | - | 4.33 | 25,851 |
| Old West History | 0 | - | 4.30 | 14,992 |
| Life of Benjamin Franklin | 0 | - | 4.20 | 6,360 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,349 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.34 | 72,781 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.50 | 21,032 |
| Flyover States | 0 | - | 4.51 | 28,691 |
| U.S. States With Double Letters | 0 | - | 4.64 | 22,427 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 73,658 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.38 | 124,080 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.46 | 28,645 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.65 | 31,318 |
| U.S. States with Oldest Median Age | 0 | - | 4.32 | 36,222 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.29 | 42,732 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.39 | 70,647 |
| US States with the Most Executions | 0 | - | 4.51 | 26,011 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 27,946 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 44,566 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 23,115 |
| US States Quiz | 0 | - | 5.00 | 15,657,674 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,136 |
| Which U.S. State - Multiple Choice | 0 | - | 4.47 | 19,634 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 40,909 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.49 | 44,739 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.40 | 51,603 |
| Canada Country Quiz | 0 | - | 4.55 | 126,358 |
| Canada Cities Map Quiz | 0 | - | 4.53 | 112,568 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 86,106 |
| American Countries With No Atlantic Coastline | 0 | - | 4.91 | 82,271 |
| History of Mexico | 0 | - | 4.57 | 14,623 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 99,262 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.89 | 45,814 |
| Brazil States Map Quiz | 0 | - | 4.84 | 43,582 |
| States of Brazil | 0 | - | 4.97 | 76,746 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.05 | 18,834 |
| U.S. States by Picture #1 | 0 | - | 4.17 | 14,829 |
| Most-Visited U.S. Cities | 0 | - | 4.86 | 81,732 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 69,106 |
| Senators Who Ran For President | 0 | - | 4.28 | 16,631 |
| U.S. Electoral College Landslides | 0 | - | 4.32 | 21,457 |
| Geography of California | 0 | - | 4.23 | 10,087 |
| New York Pro Sport Teams | 0 | - | 4.31 | 25,206 |
| Events in U.S. History | 0 | - | 4.39 | 27,185 |
| African-American Historical Figures | 0 | - | 4.18 | 16,713 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 82,899 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 38,511 |
| Canadian Geography on the Map | 0 | - | 4.57 | 25,098 |
| Canada or Africa by Area | 0 | - | 4.76 | 16,030 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 86,060 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.89 | 72,809 |
| Jamaica Country Quiz | 0 | - | 4.56 | 33,495 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,394,366 |
| Deadliest U.S. Wars | 0 | - | 4.83 | 165,305 |
| The Life of Thomas Edison | 0 | - | 4.03 | 4,755 |
| U.S. History Multiple Choice #2 | 0 | - | 4.36 | 24,494 |
| U.S. History Multiple Choice #1 | 0 | - | 4.29 | 21,701 |
| U.S. History Multiple Choice #3 | 0 | - | 4.40 | 24,003 |
| Valid Answer - U.S. History | 0 | - | 4.22 | 21,936 |
| U.S. History Multiple Choice #4 | 0 | - | 4.26 | 24,835 |
