| United States Map Quiz | 0 | - | 4.98 | 3,932,258 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.85 | 22,446 |
| U.S. State Border Crossings | 0 | - | 4.96 | 82,957 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 224,180 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 66,404 |
| Cities and Towns of Massachusetts | 0 | - | 4.90 | 62,133 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 55,790 |
| Total United States Immigration by Country | 0 | - | 4.90 | 98,079 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 149,296 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 188,853 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 68,115 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 343,245 |
| Pixelated United States Map | 0 | - | 4.90 | 83,707 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 95,225 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 80,245 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 102,073 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 97,746 |
| 10 Southernmost U.S. States | 0 | - | 4.86 | 100,733 |
| U.S. States with Short Names | 0 | - | 4.87 | 131,982 |
| U.S. States that Start with M | 0 | - | 4.91 | 152,567 |
| U.S. States By Population | 0 | - | 4.90 | 131,413 |
| U.S. States that Start with N | 0 | - | 4.95 | 157,353 |
| U.S. States with Longest Names | 0 | - | 4.84 | 36,793 |
| 10 Northernmost U.S. States | 0 | - | 4.89 | 74,706 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 78,910 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 58,964 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 57,046 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 146,753 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 168,739 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 99,783 |
| Top 10 Least Obese U.S. States | 0 | - | 4.81 | 69,296 |
| Countries of North America Quiz | 0 | - | 5.00 | 896,369 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 590,907 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 91,303 |
| Countries that Beat the United States | 0 | - | 4.92 | 148,007 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.78 | 58,045 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 90,937 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 74,408 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 858,918 |
| North American Capitals - Map Quiz | 0 | - | 4.89 | 48,258 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.98 | 49,371 |
| Canada Provinces and Territories | 0 | - | 4.99 | 293,746 |
| States of Mexico | 0 | - | 4.94 | 144,909 |
| Central American Countries | 0 | - | 4.98 | 141,237 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 105,600 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 118,073 |
| Territories of the United States | 0 | - | 4.76 | 48,980 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 34,611 |
| Most Mentioned Enemies of the USA | 0 | - | 4.79 | 161,919 |
| Major non-NATO U.S. Allies | 0 | - | 4.43 | 33,920 |
| Florida Pro Sport Teams | 0 | - | 4.66 | 10,531 |
| Georgia ... or Georgia? | 0 | - | 4.79 | 72,610 |
| U.S. State Nicknames Quiz | 0 | - | 4.48 | 46,721 |
| U.S. National Parks Quiz | 0 | - | 4.78 | 47,669 |
| Countries with American Expatriates | 0 | - | 4.58 | 41,150 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,593 |
| United States Country Quiz | 0 | - | 4.44 | 90,816 |
| Busiest Air Routes from the U.S. | 0 | - | 4.47 | 73,174 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.40 | 56,237 |
| New York City Geography | 0 | - | 4.40 | 23,516 |
| Countries Closest to Canada | 0 | - | 4.90 | 186,052 |
| U.S. Federal Holidays | 0 | - | 4.29 | 96,344 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.46 | 13,895 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 199,746 |
| New England States | 0 | - | 4.52 | 52,575 |
| US States by Land Area | 0 | - | 4.54 | 48,932 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 36,424 |
| Add a Letter - Make a U.S. State | 0 | - | 4.75 | 77,276 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 51,673 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.78 | 37,681 |
| Save Americans by Guessing U.S. States | 0 | - | 4.55 | 154,343 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 53,351 |
| The Only U.S. State ... #1 | 0 | - | 4.55 | 83,217 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.48 | 40,897 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.47 | 94,325 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.79 | 56,694 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 61,793 |
| Top 10 Newest U.S. States | 0 | - | 4.79 | 68,612 |
| Top 10 Most Asian U.S. States | 0 | - | 4.79 | 62,197 |
| Top 10 Most Obese U.S. States | 0 | - | 4.52 | 78,684 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.51 | 65,180 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.45 | 48,846 |
| Top 10 Most White U.S. States | 0 | - | 4.53 | 56,399 |
| Top 10 Most German U.S. States | 0 | - | 4.50 | 42,592 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.44 | 37,792 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.65 | 42,531 |
| Countries that Beat Canada | 0 | - | 4.91 | 79,201 |
| Countries Closest to Alaska | 0 | - | 4.92 | 100,284 |
| California Multiple Choice | 0 | - | 4.40 | 27,046 |
| Geography of California | 0 | - | 4.23 | 9,765 |
| California Pro Sport Teams | 0 | - | 4.25 | 22,183 |
| San Francisco Trivia | 0 | - | 4.34 | 15,256 |
| San Francisco A-Z | 0 | - | 4.20 | 9,089 |
| Florida Multiple Choice | 0 | - | 4.30 | 9,784 |
| Countries Closest to Maine | 0 | - | 4.85 | 59,838 |
| Boston Talk to English Translation Quiz | 0 | - | 4.46 | 14,285 |
| New York Pro Sport Teams | 0 | - | 4.30 | 24,765 |
| Texas Pro Sport Teams | 0 | - | 4.13 | 16,286 |
| History of Pennsylvania | 0 | - | 4.09 | 6,518 |
| History of Virginia | 0 | - | 4.33 | 11,006 |
| Washington State by Picture | 0 | - | 4.18 | 7,206 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.75 | 54,362 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 53,204 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.75 | 42,794 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 58,550 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 34,237 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.41 | 50,389 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.65 | 47,006 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 31,908 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 109,002 |
| South America Map Quiz | 0 | - | 5.00 | 1,436,079 |
| Belize Country Quiz | 0 | - | 4.88 | 19,058 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 17,367 |
| Top U.S. Universities | 0 | - | 4.11 | 114,841 |
| Largest United States Airlines | 0 | - | 4.38 | 52,397 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 108,154 |
| U.S. States by Governor Quiz | 0 | - | 4.42 | 17,059 |
| U.S. Political Parties in History | 0 | - | 4.43 | 26,328 |
| U.S. Government Agencies | 0 | - | 4.41 | 17,898 |
| U.S. States that Border Tennessee | 0 | - | 4.84 | 58,073 |
| Embarrassing Chapters in US History | 0 | - | 4.15 | 31,664 |
| Canada Immigration by Country | 0 | - | 4.51 | 57,893 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 315,658 |
| The Only American Country ... | 0 | - | 4.94 | 111,397 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 102,217 |
| Dominica Country Quiz | 0 | - | 4.83 | 18,075 |
| North America Capitals Quiz | 0 | - | 4.99 | 190,267 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.11 | 26,159 |
| American Islands | 0 | - | 4.16 | 15,819 |
| American Foods | 0 | - | 3.71 | 38,290 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 5,734 |
| American Legal Vocabulary | 0 | - | 4.40 | 32,372 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 32,098 |
| Cities by Picture #2 | 0 | - | 4.22 | 32,744 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.19 | 13,772 |
| U.S. Groups of Four Quiz | 0 | - | 4.37 | 23,553 |
| U.S. Groups of Three Quiz | 0 | - | 4.05 | 19,688 |
| American Geography Quiz for Dummies | 0 | - | 4.33 | 53,501 |
| The U.S. Government - How Does it Work? | 0 | - | 4.32 | 40,166 |
| University of California Campuses | 0 | - | 3.88 | 8,173 |
| Old West History | 0 | - | 4.29 | 14,827 |
| Life of Benjamin Franklin | 0 | - | 4.20 | 6,251 |
| American Revolution - Multiple Choice | 0 | - | 4.32 | 18,956 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.34 | 71,341 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.49 | 20,630 |
| Flyover States | 0 | - | 4.51 | 28,178 |
| U.S. States With Double Letters | 0 | - | 4.63 | 21,246 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.30 | 58,355 |
| U.S. States by Borders | 0 | - | 4.56 | 26,623 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.38 | 121,599 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.46 | 27,955 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 30,273 |
| U.S. States with Oldest Median Age | 0 | - | 4.35 | 31,977 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.30 | 41,422 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.34 | 63,558 |
| US States with the Most Executions | 0 | - | 4.51 | 25,744 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.60 | 27,236 |
| Top 10 Least White U.S. States | 0 | - | 4.19 | 36,877 |
| Top 10 Least Happy U.S. States | 0 | - | 4.55 | 22,536 |
| Mexico States Map Quiz | 0 | - | 4.79 | 92,040 |
| US States Quiz | 0 | - | 5.00 | 14,985,524 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 27,660 |
| Which U.S. State - Multiple Choice | 0 | - | 4.45 | 19,139 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 40,414 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.49 | 43,135 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.60 | 31,295 |
| Canada Country Quiz | 0 | - | 4.54 | 122,790 |
| Canada Cities Map Quiz | 0 | - | 4.55 | 110,353 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 82,903 |
| American Countries With No Atlantic Coastline | 0 | - | 4.90 | 73,959 |
| History of Mexico | 0 | - | 4.55 | 14,059 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 95,790 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.90 | 41,994 |
| Brazil States Map Quiz | 0 | - | 4.84 | 40,732 |
| States of Brazil | 0 | - | 4.97 | 70,939 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 18,524 |
| U.S. States by Picture #1 | 0 | - | 4.17 | 14,462 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 75,133 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 64,519 |
| Senators Who Ran For President | 0 | - | 4.28 | 16,385 |
| U.S. Electoral College Landslides | 0 | - | 4.33 | 21,125 |
| Chicago City Trivia | 0 | - | 4.26 | 30,511 |
| Boston Trivia | 0 | - | 4.37 | 23,506 |
| 10 Closest Megacities to New York City | 0 | - | 4.51 | 64,652 |
| Events in U.S. History | 0 | - | 4.38 | 26,415 |
| African-American Historical Figures | 0 | - | 4.14 | 16,466 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 79,828 |
| Most-Visited Countries by Canadians | 0 | - | 4.79 | 38,048 |
| Canadian Geography on the Map | 0 | - | 4.56 | 24,434 |
| Canada or Africa by Area | 0 | - | 4.79 | 14,434 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 83,934 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.88 | 69,464 |
| Jamaica Country Quiz | 0 | - | 4.59 | 32,524 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,223,001 |
| Famous People from Michigan by Picture | 0 | - | 4.25 | 19,798 |
| North Carolina... or South Carolina? | 0 | - | 4.22 | 9,779 |
| Deadliest U.S. Wars | 0 | - | 4.83 | 159,943 |
| The Life of Thomas Edison | 0 | - | 4.03 | 4,672 |
| U.S. History Multiple Choice #2 | 0 | - | 4.38 | 24,111 |
| U.S. History Multiple Choice #1 | 0 | - | 4.29 | 21,354 |
