| United States Map Quiz | 0 | - | 4.98 | 4,140,112 |
| Pixelated United States Map | 0 | - | 4.89 | 93,378 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,879 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,209 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,787 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 72,992 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,444 |
| Name the U.S. National Parks | 0 | - | 4.85 | 58,351 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,560 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,056 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,075 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,491 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,558 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,111 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,333 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,753 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,616 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,258 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,310 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,528 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,800 |
| U.S. States By Population | 0 | - | 4.92 | 152,288 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,293 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,794 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,850 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,467 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,723 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,798 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,794 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,043 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,416 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,037 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,623 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,767 |
| Flags of North and South America | 0 | - | 4.99 | 366,010 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,709 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,433 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,486 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,417 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,005 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 81,887 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,774 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,543 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,881 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,818 |
| States of Mexico | 0 | - | 4.95 | 173,121 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,700 |
| Central American Countries | 0 | - | 4.98 | 154,939 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,649 |
| Territories of the United States | 0 | - | 4.79 | 52,109 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,358 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,460 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,695 |
| New York City Geography | 0 | - | 4.42 | 32,890 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,237 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,461 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,068 |
| United States Country Quiz | 0 | - | 4.43 | 100,492 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,581 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,612 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 34,330 |
| Cities by Picture #2 | 0 | - | 4.19 | 34,919 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,269 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,074 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,627 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,719 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,671 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,567 |
| New England States | 0 | - | 4.51 | 59,699 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,437 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,876 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,272 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,601 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,642 |
| U.S. States by Borders | 0 | - | 4.63 | 35,050 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 182,320 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,215 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,096 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 43,969 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,278 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,758 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,398 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,842 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,191 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,386 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 89,905 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,272 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,127 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,802 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,528 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,803 |
| U.S. States by Picture #1 | 0 | - | 4.21 | 15,352 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 54,898 |
| Washington State by Picture | 0 | - | 4.26 | 7,680 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,260 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,014 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 44,946 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,756 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,008 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.42 | 58,983 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.74 | 63,441 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,382 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,656 |
| Georgia ... or Georgia? | 0 | - | 4.69 | 76,374 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,469 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,979 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,509 |
| Belize Country Quiz | 0 | - | 4.85 | 20,784 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,034 |
| Top U.S. Universities | 0 | - | 4.15 | 143,953 |
| Largest United States Airlines | 0 | - | 4.39 | 54,820 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,349 |
| U.S. States by Governor | 0 | - | 4.43 | 17,976 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,563 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,533 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,744 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 55,662 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 32,981 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,178 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,685 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,723 |
| Pixelated Africa Map | 0 | - | 4.98 | 98,988 |
| Flags of Oceania | 0 | - | 5.00 | 254,763 |
| The Only American Country ... | 0 | - | 4.92 | 120,678 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,278 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,651 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,599 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,029 |
| Which Island in the United States? | 0 | - | 4.29 | 29,133 |
| American Foods | 0 | - | 3.66 | 39,269 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,108 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,779 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,658 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,175 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,791 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,145 |
| Old West History | 0 | - | 4.32 | 15,218 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,486 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,841 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,636 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,578 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,455 |
| Flyover States | 0 | - | 4.52 | 29,377 |
| U.S. States With Double Letters | 0 | - | 4.54 | 23,892 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 75,769 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 127,968 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.44 | 29,568 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,344 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,136 |
| US States with the Most Executions | 0 | - | 4.51 | 26,347 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 28,908 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,578 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 40,056 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,013 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,705 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,696 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,319 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,283 |
| US States Quiz | 0 | - | 5.00 | 16,683,840 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,481 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,757 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,190 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,563 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,296 |
| Canada Country Quiz | 0 | - | 4.54 | 131,648 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,566 |
| Canada A-Z | 0 | - | 4.73 | 32,632 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,020 |
| Pixelated Americas Map | 0 | - | 4.40 | 46,772 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,846 |
| History of Mexico | 0 | - | 4.58 | 15,222 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,066 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,818 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,349 |
| States of Brazil | 0 | - | 4.98 | 86,246 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 19,153 |
| U.S. States by Picture #2 | 0 | - | 3.47 | 11,508 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,640 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,139 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,621 |
| Senators Who Ran For President | 0 | - | 4.23 | 16,987 |
| U.S. Electoral College Landslides | 0 | - | 4.35 | 21,965 |
| California Multiple Choice | 0 | - | 4.40 | 28,036 |
| Geography of California | 0 | - | 4.25 | 10,494 |
| California Pro Sport Teams | 0 | - | 4.19 | 22,647 |
| San Francisco Trivia | 0 | - | 4.32 | 15,657 |
| San Francisco A-Z | 0 | - | 4.18 | 9,519 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,164 |
| Chicago City Trivia | 0 | - | 4.31 | 31,372 |
| Boston City Trivia | 0 | - | 4.38 | 24,129 |
| New York Pro Sport Teams | 0 | - | 4.32 | 25,791 |
| Texas Pro Sport Teams | 0 | - | 4.19 | 16,771 |
| History of Pennsylvania | 0 | - | 4.16 | 7,084 |
| History of Virginia | 0 | - | 4.31 | 11,553 |
| Events in U.S. History | 0 | - | 4.40 | 28,454 |
| African-American Historical Figures | 0 | - | 4.18 | 17,117 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,320 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 39,107 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,181 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,412 |
