| Cities and Towns of Massachusetts | 0 | - | 4.90 | 62,388 |
| United States Map Quiz | 0 | - | 4.98 | 3,935,457 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.85 | 22,566 |
| U.S. State Border Crossings | 0 | - | 4.96 | 83,035 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 224,353 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 66,539 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 55,915 |
| Total United States Immigration by Country | 0 | - | 4.90 | 98,323 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 149,646 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 189,361 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 68,163 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 343,595 |
| Pixelated United States Map | 0 | - | 4.90 | 83,826 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 95,471 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 80,432 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 102,201 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 97,903 |
| 10 Southernmost U.S. States | 0 | - | 4.86 | 100,876 |
| U.S. States with Short Names | 0 | - | 4.87 | 132,194 |
| U.S. States that Start with M | 0 | - | 4.91 | 152,777 |
| U.S. States By Population | 0 | - | 4.90 | 131,519 |
| U.S. States that Start with N | 0 | - | 4.95 | 157,536 |
| U.S. States with Longest Names | 0 | - | 4.84 | 36,887 |
| 10 Northernmost U.S. States | 0 | - | 4.89 | 74,801 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 79,059 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 59,035 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 57,170 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 146,938 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 168,863 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 99,891 |
| Top 10 Least Obese U.S. States | 0 | - | 4.81 | 69,406 |
| Countries of North America Quiz | 0 | - | 5.00 | 898,322 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 591,452 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 91,422 |
| Countries that Beat the United States | 0 | - | 4.92 | 148,290 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.78 | 58,171 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 91,135 |
| U.S. States with the Most Immigrants | 0 | - | 4.86 | 74,569 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 859,585 |
| North American Capitals - Map Quiz | 0 | - | 4.89 | 48,398 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.98 | 49,584 |
| Canada Provinces and Territories | 0 | - | 4.99 | 294,278 |
| States of Mexico | 0 | - | 4.94 | 145,417 |
| Central American Countries | 0 | - | 4.98 | 141,425 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 105,721 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 118,318 |
| Territories of the United States | 0 | - | 4.76 | 49,043 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 34,718 |
| Most Mentioned Enemies of the USA | 0 | - | 4.79 | 162,177 |
| Major non-NATO U.S. Allies | 0 | - | 4.43 | 33,975 |
| Florida Pro Sport Teams | 0 | - | 4.66 | 10,555 |
| Georgia ... or Georgia? | 0 | - | 4.79 | 72,698 |
| U.S. State Nicknames Quiz | 0 | - | 4.48 | 46,818 |
| U.S. National Parks Quiz | 0 | - | 4.79 | 47,800 |
| Countries with American Expatriates | 0 | - | 4.58 | 41,182 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,624 |
| United States Country Quiz | 0 | - | 4.44 | 91,007 |
| Busiest Air Routes from the U.S. | 0 | - | 4.47 | 73,278 |
| Canada or Africa by Area | 0 | - | 4.81 | 14,515 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.40 | 56,308 |
| New York City Geography | 0 | - | 4.40 | 23,531 |
| Countries Closest to Canada | 0 | - | 4.90 | 186,269 |
| U.S. Federal Holidays | 0 | - | 4.29 | 96,402 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.46 | 13,903 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 199,864 |
| New England States | 0 | - | 4.52 | 52,594 |
| US States by Land Area | 0 | - | 4.54 | 48,991 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 36,455 |
| Add a Letter - Make a U.S. State | 0 | - | 4.75 | 77,378 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 51,748 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.78 | 37,748 |
| Save Americans by Guessing U.S. States | 0 | - | 4.55 | 154,832 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 53,398 |
| The Only U.S. State ... #1 | 0 | - | 4.55 | 83,296 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.48 | 40,947 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.47 | 94,439 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.79 | 56,753 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 61,840 |
| Top 10 Newest U.S. States | 0 | - | 4.80 | 68,680 |
| Top 10 Most Asian U.S. States | 0 | - | 4.79 | 62,264 |
| Top 10 Most Obese U.S. States | 0 | - | 4.53 | 78,776 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.51 | 65,273 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.45 | 48,944 |
| Top 10 Most White U.S. States | 0 | - | 4.53 | 56,524 |
| Top 10 Most German U.S. States | 0 | - | 4.50 | 42,643 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.44 | 37,833 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.65 | 42,578 |
| Countries that Beat Canada | 0 | - | 4.91 | 79,358 |
| Red State or Blue State Trait? | 0 | - | 4.44 | 49,423 |
| California Multiple Choice | 0 | - | 4.40 | 27,080 |
| California Pro Sport Teams | 0 | - | 4.25 | 22,190 |
| San Francisco Trivia | 0 | - | 4.34 | 15,264 |
| San Francisco A-Z | 0 | - | 4.20 | 9,095 |
| Florida Multiple Choice | 0 | - | 4.30 | 9,791 |
| Chicago City Trivia | 0 | - | 4.26 | 30,529 |
| Boston Trivia | 0 | - | 4.37 | 23,522 |
| Boston Talk to English Translation Quiz | 0 | - | 4.46 | 14,308 |
| Texas Pro Sport Teams | 0 | - | 4.13 | 16,292 |
| History of Pennsylvania | 0 | - | 4.09 | 6,527 |
| History of Virginia | 0 | - | 4.33 | 11,015 |
| Washington State by Picture | 0 | - | 4.18 | 7,221 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.75 | 54,403 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 53,249 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.76 | 42,862 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 58,599 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 34,270 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.41 | 50,478 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.65 | 47,060 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 31,932 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 316,512 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 109,177 |
| South America Map Quiz | 0 | - | 5.00 | 1,437,599 |
| Belize Country Quiz | 0 | - | 4.88 | 19,085 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 17,401 |
| Top U.S. Universities | 0 | - | 4.11 | 114,989 |
| Largest United States Airlines | 0 | - | 4.38 | 52,443 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 108,250 |
| U.S. States by Governor Quiz | 0 | - | 4.42 | 17,070 |
| U.S. Political Parties in History | 0 | - | 4.43 | 26,344 |
| U.S. Government Agencies | 0 | - | 4.42 | 17,931 |
| North Carolina... or South Carolina? | 0 | - | 4.22 | 9,785 |
| Embarrassing Chapters in US History | 0 | - | 4.15 | 31,686 |
| Canada Immigration by Country | 0 | - | 4.51 | 58,014 |
| The Only American Country ... | 0 | - | 4.94 | 111,627 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 102,371 |
| Dominica Country Quiz | 0 | - | 4.83 | 18,099 |
| North America Capitals Quiz | 0 | - | 4.99 | 190,760 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.11 | 26,177 |
| American Islands | 0 | - | 4.17 | 15,827 |
| American Foods | 0 | - | 3.73 | 38,311 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 5,739 |
| American Legal Vocabulary | 0 | - | 4.40 | 32,400 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 32,149 |
| Cities by Picture #2 | 0 | - | 4.22 | 32,787 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.19 | 13,792 |
| U.S. Groups of Four Quiz | 0 | - | 4.37 | 23,588 |
| U.S. Groups of Three Quiz | 0 | - | 4.05 | 19,713 |
| American Geography Quiz for Dummies | 0 | - | 4.34 | 53,572 |
| The U.S. Government - How Does it Work? | 0 | - | 4.32 | 40,205 |
| University of California Campuses | 0 | - | 3.88 | 8,182 |
| Washington... or Washington D.C.? | 0 | - | 4.33 | 25,417 |
| Old West History | 0 | - | 4.29 | 14,838 |
| Life of Benjamin Franklin | 0 | - | 4.20 | 6,258 |
| American Revolution - Multiple Choice | 0 | - | 4.32 | 18,981 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.34 | 71,419 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.49 | 20,657 |
| Flyover States | 0 | - | 4.51 | 28,200 |
| U.S. States With Double Letters | 0 | - | 4.63 | 21,343 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.30 | 58,430 |
| U.S. States by Borders | 0 | - | 4.56 | 26,649 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.38 | 121,690 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.46 | 27,990 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 30,326 |
| U.S. States with Oldest Median Age | 0 | - | 4.35 | 32,003 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.30 | 41,494 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.34 | 63,655 |
| US States with the Most Executions | 0 | - | 4.51 | 25,761 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.60 | 27,273 |
| Top 10 Least White U.S. States | 0 | - | 4.19 | 36,912 |
| Top 10 Least Happy U.S. States | 0 | - | 4.55 | 22,567 |
| Mexico States Map Quiz | 0 | - | 4.80 | 92,224 |
| US States Quiz | 0 | - | 5.00 | 15,013,628 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 27,691 |
| Which U.S. State - Multiple Choice | 0 | - | 4.45 | 19,177 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 40,444 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.49 | 43,643 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.60 | 31,312 |
| Canada Country Quiz | 0 | - | 4.54 | 122,954 |
| Canada Cities Map Quiz | 0 | - | 4.57 | 110,444 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 83,111 |
| American Countries With No Atlantic Coastline | 0 | - | 4.90 | 74,066 |
| History of Mexico | 0 | - | 4.57 | 14,090 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 95,966 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.90 | 42,273 |
| Brazil States Map Quiz | 0 | - | 4.84 | 40,909 |
| States of Brazil | 0 | - | 4.97 | 71,269 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 18,536 |
| U.S. States by Picture #1 | 0 | - | 4.17 | 14,484 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 75,406 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 64,705 |
| Senators Who Ran For President | 0 | - | 4.28 | 16,397 |
| U.S. Electoral College Landslides | 0 | - | 4.33 | 21,133 |
| Geography of California | 0 | - | 4.23 | 9,783 |
| New York Pro Sport Teams | 0 | - | 4.30 | 24,786 |
| Events in U.S. History | 0 | - | 4.38 | 26,456 |
| African-American Historical Figures | 0 | - | 4.14 | 16,472 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 80,074 |
| Most-Visited Countries by Canadians | 0 | - | 4.79 | 38,076 |
| Canadian Geography on the Map | 0 | - | 4.56 | 24,463 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 83,987 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.88 | 70,115 |
| Jamaica Country Quiz | 0 | - | 4.59 | 32,572 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,229,787 |
| Deadliest U.S. Wars | 0 | - | 4.83 | 160,150 |
| The Life of Thomas Edison | 0 | - | 4.03 | 4,680 |
| U.S. History Multiple Choice #2 | 0 | - | 4.36 | 24,130 |
| U.S. History Multiple Choice #1 | 0 | - | 4.29 | 21,375 |
| U.S. History Multiple Choice #3 | 0 | - | 4.40 | 23,609 |
| Valid Answer - U.S. History | 0 | - | 4.19 | 21,550 |
| U.S. History Multiple Choice #4 | 0 | - | 4.25 | 24,343 |
