| United States Map Quiz | 0 | - | 4.98 | 4,168,018 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,308 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,776 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,617 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,815 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,349 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,803 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,179 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,342 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,174 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,841 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,051 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,604 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,283 |
| Pixelated United States Map | 0 | - | 4.88 | 94,662 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,297 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,260 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,818 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,042 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,057 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,704 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,063 |
| U.S. States By Population | 0 | - | 4.92 | 153,976 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,011 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,768 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,955 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,732 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,451 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,966 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,517 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,089 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,574 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,762 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,565 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,900 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,069 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,670 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,297 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,931 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,227 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,236 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,820 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,943 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,232 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,517 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,643 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,712 |
| American Foods | 0 | - | 3.66 | 39,425 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,351 |
| Territories of the United States | 0 | - | 4.80 | 52,558 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,824 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,958 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,419 |
| New York City Geography | 0 | - | 4.43 | 33,168 |
| States of Mexico | 0 | - | 4.96 | 177,676 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,446 |
| Central American Countries | 0 | - | 4.98 | 157,131 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,157 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,877 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,646 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,262 |
| United States Country Quiz | 0 | - | 4.43 | 102,021 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,027 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,546 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,894 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,154 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,264 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,058 |
| New England States | 0 | - | 4.51 | 59,876 |
| U.S. States by Land Area | 0 | - | 4.63 | 53,000 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,093 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,041 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,228 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,087 |
| U.S. States by Borders | 0 | - | 4.61 | 35,433 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 188,100 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,642 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,269 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,405 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,864 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,183 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,799 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,394 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,473 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,819 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,251 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,178 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,538 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,936 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,199 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 47,044 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,586 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,756 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,585 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,301 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,237 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,946 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,242 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.44 | 69,993 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.74 | 64,164 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,557 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,820 |
| Flags of North and South America | 0 | - | 4.99 | 375,940 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,413 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,202 |
| Belize Country Quiz | 0 | - | 4.85 | 21,061 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,286 |
| Top U.S. Universities | 0 | - | 4.15 | 145,637 |
| Largest United States Airlines | 0 | - | 4.39 | 55,127 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,926 |
| U.S. States by Governor | 0 | - | 4.43 | 18,109 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,744 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,755 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,891 |
| Events in U.S. History | 0 | - | 4.41 | 28,785 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,176 |
| Valid Answer - U.S. History | 0 | - | 4.24 | 22,586 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,870 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,907 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,994 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,682 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,254 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,437 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 56,162 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,767 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 75,004 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,555 |
| Flyover States | 0 | - | 4.52 | 29,576 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,222 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,350 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,890 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,770 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,677 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,496 |
| US States with the Most Executions | 0 | - | 4.51 | 26,421 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,137 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,636 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,206 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,220 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,816 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,660 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,967 |
| The Only American Country ... | 0 | - | 4.92 | 122,065 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,592 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,177 |
| Which Island in the United States? | 0 | - | 4.29 | 29,714 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,142 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,320 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,806 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,413 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,964 |
| Old West History | 0 | - | 4.34 | 15,292 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,530 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,973 |
| US States Quiz | 0 | - | 5.00 | 16,964,193 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,619 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,921 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,348 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,718 |
| Canada Country Quiz | 0 | - | 4.55 | 132,906 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,503 |
| Canada A-Z | 0 | - | 4.73 | 32,931 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,902 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,505 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,993 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,777 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,640 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,698 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,833 |
| History of Mexico | 0 | - | 4.52 | 15,357 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,325 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,562 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,443 |
| States of Brazil | 0 | - | 4.97 | 89,242 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 19,226 |
| U.S. States by Picture #1 | 0 | - | 4.21 | 15,492 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,615 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,645 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,344 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,399 |
| Senators Who Ran For President | 0 | - | 4.24 | 17,071 |
| U.S. Electoral College Landslides | 0 | - | 4.35 | 22,074 |
| California Multiple Choice | 0 | - | 4.40 | 28,159 |
| Geography of California | 0 | - | 4.26 | 10,607 |
| California Pro Sport Teams | 0 | - | 4.19 | 22,708 |
| San Francisco Trivia | 0 | - | 4.32 | 15,721 |
| San Francisco A-Z | 0 | - | 4.18 | 9,583 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,197 |
| Chicago City Trivia | 0 | - | 4.31 | 31,503 |
| Boston City Trivia | 0 | - | 4.38 | 24,193 |
| New York Pro Sport Teams | 0 | - | 4.32 | 25,944 |
| Texas Pro Sport Teams | 0 | - | 4.19 | 16,848 |
| History of Pennsylvania | 0 | - | 4.16 | 7,160 |
| History of Virginia | 0 | - | 4.31 | 11,635 |
| Washington State by Picture | 0 | - | 4.26 | 7,745 |
| African-American Historical Figures | 0 | - | 4.18 | 17,260 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,476 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,405 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,172 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,482 |
