| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,023 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,931 |
| United States Map Quiz | 0 | - | 4.98 | 4,158,299 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,218 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,477 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,447 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,461 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,940 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,636 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,487 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,007 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,874 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,019 |
| Pixelated United States Map | 0 | - | 4.87 | 94,257 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,667 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,758 |
| New York City Geography | 0 | - | 4.42 | 33,096 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,851 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,409 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,421 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,984 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,274 |
| U.S. States By Population | 0 | - | 4.92 | 153,534 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,436 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,435 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,509 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,291 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,204 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,609 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,951 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,699 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,172 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,495 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,214 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,505 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,023,103 |
| Canada Provinces and Territories | 0 | - | 5.00 | 342,479 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 640,348 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,441 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,756 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,467 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,530 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,271 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,956 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,107 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,878 |
| States of Mexico | 0 | - | 4.96 | 176,048 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,726 |
| Central American Countries | 0 | - | 4.98 | 156,445 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,401 |
| Territories of the United States | 0 | - | 4.80 | 52,392 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,665 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,452 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,187 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,842 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,766 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,517 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,584 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,173 |
| United States Country Quiz | 0 | - | 4.43 | 101,500 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,875 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 55,969 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,972 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,381 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,337 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,462 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,712 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,456 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,145 |
| 75 Americans Named John | 0 | - | 4.41 | 23,904 |
| New England States | 0 | - | 4.51 | 59,808 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,809 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,009 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,814 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,001 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,923 |
| U.S. States by Borders | 0 | - | 4.61 | 35,313 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 185,718 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,481 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,038 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,217 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,653 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 33,030 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,663 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,192 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,379 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,681 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,891 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,841 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,411 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,563 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,969 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,905 |
| Countries that Beat Canada | 0 | - | 4.91 | 97,312 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 55,368 |
| California Multiple Choice | 0 | - | 4.40 | 28,103 |
| California Pro Sport Teams | 0 | - | 4.19 | 22,688 |
| San Francisco Trivia | 0 | - | 4.32 | 15,704 |
| San Francisco A-Z | 0 | - | 4.18 | 9,571 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,182 |
| Chicago City Trivia | 0 | - | 4.31 | 31,445 |
| Boston City Trivia | 0 | - | 4.38 | 24,171 |
| Texas Pro Sport Teams | 0 | - | 4.19 | 16,823 |
| History of Pennsylvania | 0 | - | 4.16 | 7,135 |
| History of Virginia | 0 | - | 4.31 | 11,599 |
| Washington State by Picture | 0 | - | 4.26 | 7,727 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,483 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,186 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,132 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,874 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,158 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.42 | 59,443 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.74 | 63,863 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,492 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,770 |
| Flags of North and South America | 0 | - | 4.99 | 373,042 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,752 |
| South America Map Quiz | 0 | - | 5.00 | 1,549,662 |
| Belize Country Quiz | 0 | - | 4.85 | 20,972 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,211 |
| Top U.S. Universities | 0 | - | 4.15 | 145,120 |
| Largest United States Airlines | 0 | - | 4.39 | 55,025 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,728 |
| U.S. States by Governor | 0 | - | 4.43 | 18,063 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,695 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,678 |
| North Carolina... or South Carolina? | 0 | - | 4.21 | 10,525 |
| Events in U.S. History | 0 | - | 4.41 | 28,670 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,110 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,591 |
| The Only American Country ... | 0 | - | 4.92 | 121,595 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,109 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,831 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,747 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,124 |
| Which Island in the United States? | 0 | - | 4.29 | 29,511 |
| American Foods | 0 | - | 3.66 | 39,379 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,128 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,255 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,916 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,556 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,138 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,762 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,333 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,898 |
| Branches of the U.S. Military | 0 | - | 4.39 | 24,373 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,361 |
| University of California Campuses | 0 | - | 3.84 | 8,918 |
| Washington... or Washington D.C.? | 0 | - | 4.33 | 26,527 |
| Old West History | 0 | - | 4.34 | 15,273 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,519 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,927 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,731 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,845 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,522 |
| Flyover States | 0 | - | 4.52 | 29,513 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,120 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 76,151 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,368 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,694 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,566 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,401 |
| US States with the Most Executions | 0 | - | 4.51 | 26,395 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,062 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,004 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,149 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,795 |
| US States Quiz | 0 | - | 5.00 | 16,873,033 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,571 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,849 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,294 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,668 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,520 |
| Canada Country Quiz | 0 | - | 4.54 | 132,474 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 124,198 |
| Canada A-Z | 0 | - | 4.73 | 32,833 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,169 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,454 |
| History of Mexico | 0 | - | 4.58 | 15,309 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,912 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,899 |
| Brazil States Map Quiz | 0 | - | 4.85 | 48,039 |
| States of Brazil | 0 | - | 4.97 | 88,015 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 19,198 |
| U.S. States by Picture #1 | 0 | - | 4.21 | 15,437 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,956 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,814 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,783 |
| Senators Who Ran For President | 0 | - | 4.24 | 17,041 |
| U.S. Electoral College Landslides | 0 | - | 4.35 | 22,038 |
| Geography of California | 0 | - | 4.26 | 10,565 |
| New York Pro Sport Teams | 0 | - | 4.32 | 25,899 |
| African-American Historical Figures | 0 | - | 4.18 | 17,221 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,090 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,324 |
| Canada or Africa by Area | 0 | - | 4.78 | 18,346 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,404 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,967 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,708 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,072 |
