| Cities and Towns of Massachusetts | 0 | - | 4.90 | 62,331 |
| United States Map Quiz | 0 | - | 4.98 | 3,934,621 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.85 | 22,545 |
| U.S. State Border Crossings | 0 | - | 4.96 | 83,020 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 224,309 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 66,510 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 55,884 |
| Total United States Immigration by Country | 0 | - | 4.90 | 98,275 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 149,558 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 189,247 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 68,151 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 343,511 |
| Pixelated United States Map | 0 | - | 4.90 | 83,811 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 95,421 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 80,402 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 102,182 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 97,873 |
| 10 Southernmost U.S. States | 0 | - | 4.86 | 100,853 |
| U.S. States with Short Names | 0 | - | 4.87 | 132,141 |
| U.S. States that Start with M | 0 | - | 4.91 | 152,741 |
| U.S. States By Population | 0 | - | 4.90 | 131,501 |
| U.S. States that Start with N | 0 | - | 4.95 | 157,499 |
| U.S. States with Longest Names | 0 | - | 4.84 | 36,862 |
| 10 Northernmost U.S. States | 0 | - | 4.89 | 74,781 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 79,028 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 59,020 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 57,142 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 146,888 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 168,832 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 99,878 |
| Top 10 Least Obese U.S. States | 0 | - | 4.81 | 69,392 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 91,391 |
| Countries of North America Quiz | 0 | - | 5.00 | 897,817 |
| Countries that Beat the United States | 0 | - | 4.92 | 148,236 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.78 | 58,146 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 91,095 |
| U.S. States with the Most Immigrants | 0 | - | 4.86 | 74,541 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 591,350 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 859,448 |
| North American Capitals - Map Quiz | 0 | - | 4.89 | 48,370 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.98 | 49,549 |
| Canada Provinces and Territories | 0 | - | 4.99 | 294,155 |
| Territories of the United States | 0 | - | 4.76 | 49,024 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 34,696 |
| Most Mentioned Enemies of the USA | 0 | - | 4.79 | 162,109 |
| Major non-NATO U.S. Allies | 0 | - | 4.43 | 33,959 |
| Georgia ... or Georgia? | 0 | - | 4.79 | 72,681 |
| States of Mexico | 0 | - | 4.94 | 145,327 |
| Central American Countries | 0 | - | 4.98 | 141,385 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 105,694 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 118,212 |
| Florida Pro Sport Teams | 0 | - | 4.66 | 10,552 |
| U.S. State Nicknames Quiz | 0 | - | 4.48 | 46,805 |
| U.S. National Parks Quiz | 0 | - | 4.79 | 47,776 |
| Countries with American Expatriates | 0 | - | 4.58 | 41,174 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,619 |
| United States Country Quiz | 0 | - | 4.44 | 90,954 |
| Busiest Air Routes from the U.S. | 0 | - | 4.47 | 73,248 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.40 | 56,288 |
| Countries Closest to Canada | 0 | - | 4.90 | 186,225 |
| Canada or Africa by Area | 0 | - | 4.81 | 14,498 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 199,824 |
| New York City Geography | 0 | - | 4.40 | 23,529 |
| New England States | 0 | - | 4.52 | 52,591 |
| US States by Land Area | 0 | - | 4.54 | 48,975 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 36,450 |
| Add a Letter - Make a U.S. State | 0 | - | 4.75 | 77,350 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 51,730 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.78 | 37,732 |
| Save Americans by Guessing U.S. States | 0 | - | 4.55 | 154,678 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 53,389 |
| The Only U.S. State ... #1 | 0 | - | 4.55 | 83,278 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.48 | 40,932 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.47 | 94,410 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.79 | 56,741 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 61,832 |
| Top 10 Newest U.S. States | 0 | - | 4.79 | 68,658 |
| Top 10 Most Asian U.S. States | 0 | - | 4.79 | 62,244 |
| Top 10 Most Obese U.S. States | 0 | - | 4.53 | 78,760 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.51 | 65,242 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.45 | 48,920 |
| Top 10 Most White U.S. States | 0 | - | 4.53 | 56,499 |
| Top 10 Most German U.S. States | 0 | - | 4.50 | 42,630 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.44 | 37,821 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.65 | 42,562 |
| Countries that Beat Canada | 0 | - | 4.91 | 79,324 |
| U.S. Federal Holidays | 0 | - | 4.29 | 96,384 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.46 | 13,903 |
| Red State or Blue State Trait? | 0 | - | 4.44 | 49,396 |
| California Multiple Choice | 0 | - | 4.40 | 27,075 |
| California Pro Sport Teams | 0 | - | 4.25 | 22,187 |
| San Francisco Trivia | 0 | - | 4.34 | 15,263 |
| San Francisco A-Z | 0 | - | 4.20 | 9,092 |
| Florida Multiple Choice | 0 | - | 4.30 | 9,789 |
| Chicago City Trivia | 0 | - | 4.26 | 30,526 |
| Boston Trivia | 0 | - | 4.37 | 23,519 |
| Boston Talk to English Translation Quiz | 0 | - | 4.46 | 14,303 |
| Texas Pro Sport Teams | 0 | - | 4.13 | 16,290 |
| History of Pennsylvania | 0 | - | 4.09 | 6,524 |
| History of Virginia | 0 | - | 4.33 | 11,012 |
| Washington State by Picture | 0 | - | 4.18 | 7,219 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.75 | 54,393 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 53,235 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.76 | 42,853 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 58,584 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 34,262 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.41 | 50,464 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.65 | 47,043 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 31,923 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 109,142 |
| South America Map Quiz | 0 | - | 5.00 | 1,437,213 |
| Belize Country Quiz | 0 | - | 4.88 | 19,071 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 17,389 |
| Top U.S. Universities | 0 | - | 4.11 | 114,958 |
| Largest United States Airlines | 0 | - | 4.38 | 52,436 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 108,231 |
| U.S. States by Governor Quiz | 0 | - | 4.42 | 17,068 |
| U.S. Political Parties in History | 0 | - | 4.43 | 26,338 |
| U.S. Government Agencies | 0 | - | 4.42 | 17,921 |
| North Carolina... or South Carolina? | 0 | - | 4.22 | 9,785 |
| Embarrassing Chapters in US History | 0 | - | 4.15 | 31,682 |
| Dominica Country Quiz | 0 | - | 4.83 | 18,091 |
| American Legal Vocabulary | 0 | - | 4.40 | 32,392 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 32,138 |
| Cities by Picture #2 | 0 | - | 4.22 | 32,779 |
| American Geography Quiz for Dummies | 0 | - | 4.34 | 53,553 |
| The U.S. Government - How Does it Work? | 0 | - | 4.32 | 40,185 |
| Washington... or Washington D.C.? | 0 | - | 4.33 | 25,413 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.34 | 71,403 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.49 | 20,649 |
| Flyover States | 0 | - | 4.51 | 28,196 |
| U.S. States With Double Letters | 0 | - | 4.63 | 21,329 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.30 | 58,412 |
| U.S. States by Borders | 0 | - | 4.56 | 26,646 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.38 | 121,666 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.46 | 27,978 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 30,311 |
| U.S. States with Oldest Median Age | 0 | - | 4.35 | 31,998 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.30 | 41,475 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.34 | 63,630 |
| US States with the Most Executions | 0 | - | 4.51 | 25,758 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.60 | 27,264 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.49 | 43,591 |
| Top 10 Least White U.S. States | 0 | - | 4.19 | 36,905 |
| Top 10 Least Happy U.S. States | 0 | - | 4.55 | 22,559 |
| Canada Immigration by Country | 0 | - | 4.51 | 57,992 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 316,232 |
| The Only American Country ... | 0 | - | 4.94 | 111,579 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 102,330 |
| Mexico States Map Quiz | 0 | - | 4.80 | 92,166 |
| North America Capitals Quiz | 0 | - | 4.99 | 190,631 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.11 | 26,175 |
| American Islands | 0 | - | 4.17 | 15,825 |
| American Foods | 0 | - | 3.73 | 38,303 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 5,737 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.19 | 13,789 |
| U.S. Groups of Four Quiz | 0 | - | 4.37 | 23,580 |
| U.S. Groups of Three Quiz | 0 | - | 4.05 | 19,707 |
| University of California Campuses | 0 | - | 3.88 | 8,181 |
| Old West History | 0 | - | 4.29 | 14,836 |
| Life of Benjamin Franklin | 0 | - | 4.20 | 6,256 |
| American Revolution - Multiple Choice | 0 | - | 4.32 | 18,979 |
| US States Quiz | 0 | - | 5.00 | 15,007,224 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 27,682 |
| Which U.S. State - Multiple Choice | 0 | - | 4.45 | 19,168 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 40,432 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.60 | 31,306 |
| Canada Country Quiz | 0 | - | 4.54 | 122,913 |
| Canada Cities Map Quiz | 0 | - | 4.57 | 110,421 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 83,054 |
| American Countries With No Atlantic Coastline | 0 | - | 4.90 | 74,043 |
| History of Mexico | 0 | - | 4.57 | 14,084 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 95,905 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.90 | 42,227 |
| Brazil States Map Quiz | 0 | - | 4.84 | 40,884 |
| States of Brazil | 0 | - | 4.97 | 71,192 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 18,533 |
| U.S. States by Picture #1 | 0 | - | 4.17 | 14,477 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 75,338 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 64,660 |
| Senators Who Ran For President | 0 | - | 4.28 | 16,393 |
| U.S. Electoral College Landslides | 0 | - | 4.33 | 21,129 |
| Geography of California | 0 | - | 4.23 | 9,780 |
| New York Pro Sport Teams | 0 | - | 4.30 | 24,782 |
| Events in U.S. History | 0 | - | 4.38 | 26,447 |
| African-American Historical Figures | 0 | - | 4.14 | 16,471 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 80,042 |
| Most-Visited Countries by Canadians | 0 | - | 4.79 | 38,070 |
| Canadian Geography on the Map | 0 | - | 4.56 | 24,456 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 83,974 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.88 | 69,981 |
| Jamaica Country Quiz | 0 | - | 4.59 | 32,558 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 35,458 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 93,155 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 282,340 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 126,167 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,228,122 |
| Six Flags Over Texas | 0 | - | 4.84 | 59,429 |
| Deadliest U.S. Wars | 0 | - | 4.83 | 160,088 |
| The Life of Thomas Edison | 0 | - | 4.03 | 4,679 |
