| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,234 |
| United States Map Quiz | 0 | - | 4.98 | 4,170,295 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,682 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,852 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,753 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,899 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,934 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,428 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,317 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,452 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,237 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,078 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,497 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,095 |
| Pixelated United States Map | 0 | - | 4.88 | 94,764 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,458 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,379 |
| New York City Geography | 0 | - | 4.43 | 33,182 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,000 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,196 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,222 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,274 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,284 |
| U.S. States By Population | 0 | - | 4.92 | 154,089 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,155 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,850 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,024 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,816 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,514 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,055 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,627 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,167 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,641 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,798 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,617 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,955 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,030,516 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,566 |
| San Francisco A-Z | 0 | - | 4.18 | 9,587 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,402 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,993 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,836 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,279 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,028 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 904,795 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,769 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,919 |
| Territories of the United States | 0 | - | 4.80 | 52,605 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,866 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 176,045 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,500 |
| States of Mexico | 0 | - | 4.96 | 178,029 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,555 |
| Central American Countries | 0 | - | 4.98 | 157,247 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,540 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 150,266 |
| California Multiple Choice | 0 | - | 4.40 | 28,173 |
| Geography of California | 0 | - | 4.26 | 10,619 |
| California Pro Sport Teams | 0 | - | 4.19 | 22,712 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,904 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 56,226 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 77,007 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,716 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,668 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,270 |
| United States Country Quiz | 0 | - | 4.43 | 102,144 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,047 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,594 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,044 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,185 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,415 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,400 |
| New England States | 0 | - | 4.51 | 59,891 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,033 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,109 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,114 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,266 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,126 |
| U.S. States by Borders | 0 | - | 4.62 | 35,462 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 188,606 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,671 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,319 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,432 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,905 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,208 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,819 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,446 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,499 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,848 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,332 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,243 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,572 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 83,016 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,246 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 47,076 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,718 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,945 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,617 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,767 |
| 75 Americans Named John | 0 | - | 4.41 | 23,968 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 55,662 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,058 |
| University of California Campuses | 0 | - | 3.84 | 8,953 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,202 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,556 |
| New York Pro Sport Teams | 0 | - | 4.32 | 25,959 |
| Texas Pro Sport Teams | 0 | - | 4.19 | 16,853 |
| History of Pennsylvania | 0 | - | 4.16 | 7,163 |
| History of Virginia | 0 | - | 4.33 | 11,640 |
| Washington State by Picture | 0 | - | 4.26 | 7,754 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,613 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,326 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,253 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,972 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,256 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.44 | 70,438 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.74 | 64,193 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,566 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,833 |
| Flags of North and South America | 0 | - | 4.99 | 376,580 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,569 |
| South America Map Quiz | 0 | - | 5.00 | 1,555,998 |
| Belize Country Quiz | 0 | - | 4.85 | 21,076 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,294 |
| Top U.S. Universities | 0 | - | 4.15 | 145,755 |
| Largest United States Airlines | 0 | - | 4.39 | 55,143 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,956 |
| U.S. States by Governor | 0 | - | 4.43 | 18,111 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,763 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,769 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,489 |
| Events in U.S. History | 0 | - | 4.41 | 28,811 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,188 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,931 |
| American Legal Vocabulary | 0 | - | 4.40 | 34,009 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,713 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,283 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,463 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,694 |
| California Groups of Things | 0 | - | 4.26 | 45,748 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,774 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 75,044 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,561 |
| Flyover States | 0 | - | 4.53 | 29,586 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,252 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,384 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,943 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,783 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,706 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,523 |
| US States with the Most Executions | 0 | - | 4.51 | 26,423 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,155 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,664 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,249 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,242 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,846 |
| The Only American Country ... | 0 | - | 4.92 | 122,164 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,608 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,959 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,186 |
| Which Island in the United States? | 0 | - | 4.29 | 29,758 |
| American Foods | 0 | - | 3.66 | 39,433 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,152 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,325 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,814 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,439 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,977 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,495 |
| Old West History | 0 | - | 4.34 | 15,296 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,534 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,982 |
| US States Quiz | 0 | - | 5.00 | 16,984,505 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,628 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,928 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,361 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,730 |
| Canada Country Quiz | 0 | - | 4.55 | 132,998 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,575 |
| Canada A-Z | 0 | - | 4.73 | 32,953 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,787 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,771 |
| History of Mexico | 0 | - | 4.52 | 15,360 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,430 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,727 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,542 |
| States of Brazil | 0 | - | 4.97 | 89,581 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 19,232 |
| U.S. States by Picture #1 | 0 | - | 4.21 | 15,507 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,122 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,837 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,622 |
| Senators Who Ran For President | 0 | - | 4.24 | 17,078 |
| U.S. Electoral College Landslides | 0 | - | 4.35 | 22,084 |
| Chicago City Trivia | 0 | - | 4.31 | 31,517 |
| Boston City Trivia | 0 | - | 4.38 | 24,197 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,528 |
| African-American Historical Figures | 0 | - | 4.18 | 17,280 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,615 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,426 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,590 |
