| United States Map Quiz | 0 | - | 4.98 | 3,922,135 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.85 | 22,162 |
| U.S. State Border Crossings | 0 | - | 4.96 | 82,676 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 223,270 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.84 | 34,216 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 65,973 |
| Cities and Towns of Massachusetts | 0 | - | 4.90 | 61,480 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.78 | 57,669 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 55,403 |
| Total United States Immigration by Country | 0 | - | 4.89 | 97,514 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 148,362 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 187,364 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 67,933 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 341,935 |
| Pixelated United States Map | 0 | - | 4.90 | 83,015 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 94,489 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 79,644 |
| The 13 Colonies Quiz | 0 | - | 4.96 | 101,309 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 97,106 |
| 10 Southernmost U.S. States | 0 | - | 4.85 | 100,182 |
| U.S. States with Short Names | 0 | - | 4.87 | 131,226 |
| U.S. States that Start with M | 0 | - | 4.91 | 151,792 |
| U.S. States By Population | 0 | - | 4.90 | 130,915 |
| U.S. States that Start with N | 0 | - | 4.95 | 156,431 |
| U.S. States with Longest Names | 0 | - | 4.85 | 36,481 |
| 10 Northernmost U.S. States | 0 | - | 4.89 | 74,445 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 78,498 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 58,744 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 56,677 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 146,328 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 168,466 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 99,546 |
| Top 10 Least Obese U.S. States | 0 | - | 4.81 | 68,967 |
| Countries of North America Quiz | 0 | - | 5.00 | 890,310 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 588,655 |
| The United States... or the United Kingdom? | 0 | - | 4.89 | 90,926 |
| Countries that Beat the United States | 0 | - | 4.92 | 147,169 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 90,342 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 73,872 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 856,580 |
| North American Capitals - Map Quiz | 0 | - | 4.91 | 47,845 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.98 | 48,583 |
| Canada Provinces and Territories | 0 | - | 5.00 | 292,145 |
| States of Mexico | 0 | - | 4.94 | 143,575 |
| Mexico States Map Quiz | 0 | - | 4.84 | 91,409 |
| Central American Countries | 0 | - | 4.98 | 140,627 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 105,014 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 117,547 |
| Territories of the United States | 0 | - | 4.77 | 48,831 |
| Most Mentioned Enemies of the USA | 0 | - | 4.79 | 161,080 |
| Major non-NATO U.S. Allies | 0 | - | 4.43 | 33,720 |
| Florida Pro Sport Teams | 0 | - | 4.66 | 10,460 |
| New York Pro Sport Teams | 0 | - | 4.30 | 24,695 |
| Georgia ... or Georgia? | 0 | - | 4.79 | 72,372 |
| U.S. State Nicknames Quiz | 0 | - | 4.48 | 46,528 |
| U.S. National Parks Quiz | 0 | - | 4.78 | 47,312 |
| Countries with American Expatriates | 0 | - | 4.58 | 41,067 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,489 |
| United States Country Quiz | 0 | - | 4.44 | 90,152 |
| Busiest Air Routes from the U.S. | 0 | - | 4.47 | 72,882 |
| Canada or Africa by Area | 0 | - | 4.81 | 14,107 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.40 | 56,016 |
| Countries Closest to Canada | 0 | - | 4.90 | 185,471 |
| U.S. Federal Holidays | 0 | - | 4.29 | 96,191 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.46 | 13,848 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 199,441 |
| 10 Closest Megacities to New York City | 0 | - | 4.51 | 64,506 |
| New England States | 0 | - | 4.52 | 52,515 |
| US States by Land Area | 0 | - | 4.54 | 48,782 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 36,336 |
| Add a Letter - Make a U.S. State | 0 | - | 4.75 | 77,000 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 51,442 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.78 | 37,523 |
| Save Americans by Guessing U.S. States | 0 | - | 4.57 | 152,870 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 53,221 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 82,981 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.47 | 40,743 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.47 | 94,071 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.79 | 56,557 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 61,651 |
| Top 10 Newest U.S. States | 0 | - | 4.79 | 68,432 |
| Top 10 Most Asian U.S. States | 0 | - | 4.79 | 61,981 |
| Top 10 Most Obese U.S. States | 0 | - | 4.52 | 77,657 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.49 | 64,923 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.45 | 48,631 |
| Top 10 Most White U.S. States | 0 | - | 4.53 | 56,133 |
| Top 10 Most German U.S. States | 0 | - | 4.50 | 42,479 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.44 | 37,657 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.65 | 42,374 |
| Countries that Beat Canada | 0 | - | 4.91 | 78,791 |
| Red State or Blue State Trait? | 0 | - | 4.44 | 48,959 |
| Countries Closest to Alaska | 0 | - | 4.92 | 99,904 |
| California Multiple Choice | 0 | - | 4.40 | 26,956 |
| Geography of California | 0 | - | 4.23 | 9,716 |
| California Pro Sport Teams | 0 | - | 4.25 | 22,154 |
| San Francisco Trivia | 0 | - | 4.34 | 15,229 |
| San Francisco A-Z | 0 | - | 4.20 | 9,072 |
| Florida Multiple Choice | 0 | - | 4.30 | 9,750 |
| Hawaiian Islands Map Quiz | 0 | - | 4.88 | 21,171 |
| Countries Closest to Maine | 0 | - | 4.85 | 59,555 |
| Boston Talk to English Translation Quiz | 0 | - | 4.46 | 14,241 |
| Texas Pro Sport Teams | 0 | - | 4.13 | 16,264 |
| History of Pennsylvania | 0 | - | 4.09 | 6,484 |
| History of Virginia | 0 | - | 4.33 | 10,975 |
| Washington State by Picture | 0 | - | 4.18 | 7,177 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.75 | 54,236 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 53,103 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.75 | 42,624 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 58,450 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 34,127 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.41 | 50,192 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.65 | 46,880 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 31,851 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 108,438 |
| South America Map Quiz | 0 | - | 5.00 | 1,430,968 |
| Belize Country Quiz | 0 | - | 4.88 | 18,945 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 17,241 |
| Top U.S. Universities | 0 | - | 4.12 | 114,215 |
| Largest United States Airlines | 0 | - | 4.38 | 52,247 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 107,853 |
| U.S. States by Governor Quiz | 0 | - | 4.42 | 17,015 |
| U.S. Political Parties in History | 0 | - | 4.43 | 26,264 |
| U.S. Government Agencies | 0 | - | 4.41 | 17,800 |
| U.S. States that Border Tennessee | 0 | - | 4.84 | 57,990 |
| Canada Immigration by Country | 0 | - | 4.52 | 57,648 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 313,385 |
| The Only American Country ... | 0 | - | 4.94 | 110,717 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 101,645 |
| Dominica Country Quiz | 0 | - | 4.83 | 17,966 |
| North America Capitals Quiz | 0 | - | 4.99 | 188,536 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.11 | 26,115 |
| American Islands | 0 | - | 4.16 | 15,801 |
| American Foods | 0 | - | 3.71 | 38,245 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 5,718 |
| American Legal Vocabulary | 0 | - | 4.40 | 32,284 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 31,944 |
| Cities by Picture #2 | 0 | - | 4.22 | 32,597 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.19 | 13,715 |
| U.S. Groups of Four Quiz | 0 | - | 4.37 | 23,451 |
| U.S. Groups of Three Quiz | 0 | - | 4.05 | 19,612 |
| American Geography Quiz for Dummies | 0 | - | 4.33 | 53,324 |
| The U.S. Government - How Does it Work? | 0 | - | 4.32 | 40,051 |
| University of California Campuses | 0 | - | 3.88 | 8,142 |
| New York Groups of Things | 0 | - | 4.39 | 57,514 |
| Old West History | 0 | - | 4.28 | 14,810 |
| Life of Benjamin Franklin | 0 | - | 4.20 | 6,236 |
| American Revolution - Multiple Choice | 0 | - | 4.32 | 18,898 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.34 | 71,135 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.49 | 20,573 |
| Flyover States | 0 | - | 4.51 | 28,111 |
| U.S. States With Double Letters | 0 | - | 4.67 | 8,658 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.30 | 58,139 |
| U.S. States by Borders | 0 | - | 4.56 | 26,505 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.38 | 121,347 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.46 | 27,871 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.71 | 30,129 |
| U.S. States with Oldest Median Age | 0 | - | 4.32 | 31,881 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.30 | 41,210 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.34 | 63,342 |
| US States with the Most Executions | 0 | - | 4.51 | 25,723 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.60 | 27,144 |
| Top 10 Least White U.S. States | 0 | - | 4.19 | 36,738 |
| Top 10 Least Happy U.S. States | 0 | - | 4.55 | 22,446 |
| US States Quiz | 0 | - | 5.00 | 14,895,450 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 27,583 |
| Which U.S. State - Multiple Choice | 0 | - | 4.45 | 19,070 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 40,333 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.49 | 35,267 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.60 | 31,221 |
| Canada Country Quiz | 0 | - | 4.54 | 122,229 |
| Canada Cities Map Quiz | 0 | - | 4.55 | 110,000 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 82,319 |
| American Countries With No Atlantic Coastline | 0 | - | 4.90 | 73,662 |
| History of Mexico | 0 | - | 4.55 | 14,004 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 95,175 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.91 | 40,921 |
| Brazil States Map Quiz | 0 | - | 4.83 | 40,283 |
| States of Brazil | 0 | - | 4.97 | 70,027 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 18,478 |
| U.S. States by Picture #1 | 0 | - | 4.17 | 14,417 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 74,033 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 63,771 |
| Senators Who Ran For President | 0 | - | 4.28 | 16,345 |
| U.S. Electoral College Landslides | 0 | - | 4.33 | 21,073 |
| Chicago City Trivia | 0 | - | 4.26 | 30,463 |
| Boston Trivia | 0 | - | 4.37 | 23,484 |
| Events in U.S. History | 0 | - | 4.38 | 26,302 |
| Embarrassing Chapters in US History | 0 | - | 4.15 | 31,585 |
| African-American Historical Figures | 0 | - | 4.14 | 16,440 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 74,127 |
| Most-Visited Countries by Canadians | 0 | - | 4.79 | 37,994 |
| Canadian Geography on the Map | 0 | - | 4.56 | 24,335 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 83,718 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.88 | 69,047 |
| Jamaica Country Quiz | 0 | - | 4.59 | 32,372 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,203,039 |
| Famous People from New York by Picture | 0 | - | 4.02 | 25,614 |
| North Carolina... or South Carolina? | 0 | - | 4.22 | 9,752 |
| Deadliest U.S. Wars | 0 | - | 4.83 | 159,242 |
| The Life of Thomas Edison | 0 | - | 4.03 | 4,659 |
