| Cities and Towns of Massachusetts | 0 | - | 4.92 | 67,411 |
| United States Map Quiz | 0 | - | 4.98 | 4,032,138 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.83 | 61,157 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.88 | 24,709 |
| U.S. State Border Crossings | 0 | - | 4.96 | 85,601 |
| U.S. Citizenship Test Questions | 0 | - | 4.84 | 229,776 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.86 | 69,675 |
| Total United States Immigration by Country | 0 | - | 4.88 | 103,134 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.95 | 164,794 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 199,964 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 70,030 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 353,707 |
| Pixelated United States Map | 0 | - | 4.91 | 87,340 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 100,601 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 84,572 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 108,594 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 103,477 |
| 10 Southernmost U.S. States | 0 | - | 4.87 | 105,746 |
| U.S. States with Short Names | 0 | - | 4.89 | 138,997 |
| U.S. States that Start with M | 0 | - | 4.92 | 176,769 |
| U.S. States By Population | 0 | - | 4.90 | 136,088 |
| U.S. States that Start with N | 0 | - | 4.94 | 163,070 |
| U.S. States with Longest Names | 0 | - | 4.87 | 39,898 |
| 10 Northernmost U.S. States | 0 | - | 4.89 | 78,233 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 82,720 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 60,985 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 60,273 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.94 | 152,591 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 172,772 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 118,846 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.83 | 66,318 |
| Top 10 Newest U.S. States | 0 | - | 4.83 | 82,411 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.82 | 61,575 |
| Countries of North America Quiz | 0 | - | 5.00 | 941,346 |
| Countries that Beat the United States | 0 | - | 4.92 | 156,301 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 95,409 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 77,763 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 606,364 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 94,092 |
| Central America and Caribbean Map Quiz | 0 | - | 4.88 | 878,800 |
| North American Capitals - Map Quiz | 0 | - | 4.89 | 51,725 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 54,196 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 57,679 |
| Canada Provinces and Territories | 0 | - | 4.99 | 308,015 |
| Territories of the United States | 0 | - | 4.77 | 50,340 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.80 | 37,026 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 167,654 |
| Major non-NATO U.S. Allies | 0 | - | 4.46 | 40,472 |
| Georgia ... or Georgia? | 0 | - | 4.69 | 74,280 |
| States of Mexico | 0 | - | 4.93 | 155,434 |
| Mexico States Map Quiz | 0 | - | 4.81 | 96,878 |
| Central American Countries | 0 | - | 4.98 | 146,917 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 108,453 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 122,616 |
| Florida Pro Sport Teams | 0 | - | 4.67 | 11,024 |
| U.S. State Nicknames Quiz | 0 | - | 4.49 | 48,132 |
| U.S. National Parks Quiz | 0 | - | 4.80 | 50,114 |
| Countries with American Expatriates | 0 | - | 4.55 | 41,686 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 39,266 |
| United States Country Quiz | 0 | - | 4.45 | 94,966 |
| Busiest Air Routes from the U.S. | 0 | - | 4.47 | 74,836 |
| Countries Closest to Canada | 0 | - | 4.90 | 190,809 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.74 | 57,593 |
| New York City Geography | 0 | - | 4.38 | 23,804 |
| New England States | 0 | - | 4.52 | 53,127 |
| US States by Land Area | 0 | - | 4.62 | 50,417 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.52 | 37,155 |
| Add a Letter - Make a U.S. State | 0 | - | 4.73 | 79,471 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 53,340 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.77 | 38,961 |
| U.S. States by Borders | 0 | - | 4.59 | 33,639 |
| Save Americans by Guessing U.S. States | 0 | - | 4.53 | 166,469 |
| 10 Easternmost U.S. States | 0 | - | 4.55 | 54,591 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 84,985 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.49 | 42,235 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 96,871 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 73,060 |
| Top 10 Most Asian U.S. States | 0 | - | 4.79 | 72,781 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 79,984 |
| Top 10 Least Obese U.S. States | 0 | - | 4.74 | 71,570 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.47 | 72,675 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 50,473 |
| Top 10 Most White U.S. States | 0 | - | 4.50 | 76,976 |
| Top 10 Most German U.S. States | 0 | - | 4.49 | 56,782 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 38,888 |
| Countries that Beat Canada | 0 | - | 4.90 | 82,853 |
| U.S. Federal Holidays | 0 | - | 4.30 | 97,558 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,176 |
| Branches of the U.S. Military | 0 | - | 4.41 | 22,646 |
| Red State or Blue State Trait? | 0 | - | 4.45 | 51,837 |
| California Multiple Choice | 0 | - | 4.40 | 27,500 |
| California Pro Sport Teams | 0 | - | 4.23 | 22,379 |
| San Francisco Trivia | 0 | - | 4.35 | 15,416 |
| San Francisco A-Z | 0 | - | 4.22 | 9,268 |
| Florida Multiple Choice | 0 | - | 4.33 | 9,942 |
| Chicago City Trivia | 0 | - | 4.27 | 30,888 |
| Boston Trivia | 0 | - | 4.38 | 23,767 |
| Boston Talk to English Translation Quiz | 0 | - | 4.47 | 14,737 |
| Texas Pro Sport Teams | 0 | - | 4.14 | 16,462 |
| History of Pennsylvania | 0 | - | 4.11 | 6,807 |
| History of Virginia | 0 | - | 4.34 | 11,278 |
| Washington State by Picture | 0 | - | 4.24 | 7,393 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.74 | 55,194 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.75 | 53,989 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.64 | 43,785 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 66,918 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 34,987 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.61 | 48,043 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 32,454 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 31,812 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 331,116 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 116,701 |
| South America Map Quiz | 0 | - | 5.00 | 1,481,301 |
| Belize Country Quiz | 0 | - | 4.87 | 19,797 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 18,069 |
| Top U.S. Universities | 0 | - | 4.14 | 135,749 |
| Largest United States Airlines | 0 | - | 4.38 | 53,356 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 110,499 |
| U.S. States by Governor Quiz | 0 | - | 4.42 | 17,427 |
| U.S. Political Parties in History | 0 | - | 4.43 | 26,850 |
| U.S. Government Agencies | 0 | - | 4.44 | 18,576 |
| North Carolina... or South Carolina? | 0 | - | 4.18 | 10,138 |
| Embarrassing Chapters in US History | 0 | - | 4.19 | 32,259 |
| Dominica Country Quiz | 0 | - | 4.82 | 18,760 |
| American Legal Vocabulary | 0 | - | 4.40 | 32,952 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 33,080 |
| Cities by Picture #2 | 0 | - | 4.22 | 33,713 |
| Countries Closest to the U. S. | 0 | - | 4.40 | 202,188 |
| American Geography Quiz for Dummies | 0 | - | 4.36 | 55,229 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 41,078 |
| Washington... or Washington D.C.? | 0 | - | 4.33 | 25,861 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.34 | 72,804 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.50 | 21,041 |
| Flyover States | 0 | - | 4.51 | 28,710 |
| U.S. States With Double Letters | 0 | - | 4.64 | 22,451 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 73,712 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.38 | 124,123 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.46 | 28,668 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.65 | 31,348 |
| U.S. States with Oldest Median Age | 0 | - | 4.32 | 36,265 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.29 | 42,763 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.39 | 70,727 |
| US States with the Most Executions | 0 | - | 4.51 | 26,016 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 27,961 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.49 | 44,776 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 44,631 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 23,125 |
| Canada Immigration by Country | 0 | - | 4.51 | 59,667 |
| The Only American Country ... | 0 | - | 4.93 | 114,878 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 105,434 |
| North America Capitals Quiz | 0 | - | 4.99 | 200,242 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.09 | 26,492 |
| American Islands | 0 | - | 4.18 | 16,065 |
| American Foods | 0 | - | 3.69 | 38,667 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 5,894 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.25 | 14,129 |
| U.S. Groups of Four Quiz | 0 | - | 4.38 | 24,286 |
| U.S. Groups of Three Quiz | 0 | - | 4.06 | 20,190 |
| University of California Campuses | 0 | - | 3.90 | 8,508 |
| Old West History | 0 | - | 4.30 | 14,996 |
| Life of Benjamin Franklin | 0 | - | 4.20 | 6,363 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,360 |
| US States Quiz | 0 | - | 5.00 | 15,676,810 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,143 |
| Which U.S. State - Multiple Choice | 0 | - | 4.47 | 19,655 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 40,925 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.40 | 51,634 |
| Canada Country Quiz | 0 | - | 4.55 | 126,524 |
| Canada Cities Map Quiz | 0 | - | 4.53 | 112,626 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 86,468 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 88,169 |
| History of Mexico | 0 | - | 4.57 | 14,642 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 99,383 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.89 | 45,866 |
| Brazil States Map Quiz | 0 | - | 4.84 | 43,630 |
| States of Brazil | 0 | - | 4.97 | 76,895 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.05 | 18,841 |
| U.S. States by Picture #1 | 0 | - | 4.17 | 14,834 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 81,909 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 69,202 |
| Senators Who Ran For President | 0 | - | 4.28 | 16,642 |
| U.S. Electoral College Landslides | 0 | - | 4.32 | 21,475 |
| Geography of California | 0 | - | 4.23 | 10,092 |
| New York Pro Sport Teams | 0 | - | 4.31 | 25,222 |
| Events in U.S. History | 0 | - | 4.39 | 27,210 |
| African-American Historical Figures | 0 | - | 4.18 | 16,720 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 82,954 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 38,520 |
| Canadian Geography on the Map | 0 | - | 4.57 | 25,121 |
| Canada or Africa by Area | 0 | - | 4.76 | 16,064 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 86,180 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.89 | 72,886 |
| Jamaica Country Quiz | 0 | - | 4.56 | 33,517 |
| 10 Longest Rivers in the United States | 0 | - | 4.83 | 36,784 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 97,816 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 301,561 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 139,177 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,400,008 |
| Deadliest U.S. Wars | 0 | - | 4.84 | 165,440 |
| The Life of Thomas Edison | 0 | - | 4.03 | 4,758 |
