| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,849 |
| United States Map Quiz | 0 | - | 4.98 | 4,154,980 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,135 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,388 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,254 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,370 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,809 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,836 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,378 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,278 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,434 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,829 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,716 |
| Pixelated United States Map | 0 | - | 4.87 | 94,121 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,430 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,574 |
| New York City Geography | 0 | - | 4.42 | 33,069 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,695 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,230 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,251 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,773 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,052 |
| U.S. States By Population | 0 | - | 4.92 | 153,226 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,264 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,357 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,421 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,178 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,132 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,506 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,830 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,611 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,097 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,445 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,139 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,421 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,268 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,649 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,639 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,368 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,695 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,461 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,432 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,698 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,788 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,940 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,844 |
| Territories of the United States | 0 | - | 4.79 | 52,349 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,603 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,324 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,112 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,698 |
| States of Mexico | 0 | - | 4.95 | 175,664 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,572 |
| Central American Countries | 0 | - | 4.98 | 156,102 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,068 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,826 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 55,927 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,474 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,567 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,162 |
| United States Country Quiz | 0 | - | 4.43 | 101,393 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,836 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,278 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,089 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,915 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,953 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,074 |
| New England States | 0 | - | 4.51 | 59,788 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,759 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,988 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,731 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,940 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,884 |
| U.S. States by Borders | 0 | - | 4.61 | 35,273 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 185,264 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,449 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,980 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,190 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,600 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 32,999 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,621 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,133 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,348 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,637 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,798 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,763 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,370 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,440 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,921 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,858 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,331 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,437 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,698 |
| 75 Americans Named John | 0 | - | 4.41 | 23,894 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 55,279 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,171 |
| California Multiple Choice | 0 | - | 4.40 | 28,092 |
| Geography of California | 0 | - | 4.26 | 10,552 |
| California Pro Sport Teams | 0 | - | 4.19 | 22,678 |
| San Francisco Trivia | 0 | - | 4.32 | 15,694 |
| San Francisco A-Z | 0 | - | 4.18 | 9,563 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,181 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,009 |
| New York Pro Sport Teams | 0 | - | 4.32 | 25,888 |
| Texas Pro Sport Teams | 0 | - | 4.19 | 16,812 |
| History of Pennsylvania | 0 | - | 4.16 | 7,131 |
| History of Virginia | 0 | - | 4.31 | 11,590 |
| Washington State by Picture | 0 | - | 4.26 | 7,726 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,446 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,167 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,102 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,863 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,145 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.42 | 59,388 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.74 | 63,812 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,473 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,746 |
| Flags of North and South America | 0 | - | 4.99 | 372,288 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,496 |
| South America Map Quiz | 0 | - | 5.00 | 1,548,078 |
| Belize Country Quiz | 0 | - | 4.85 | 20,946 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,190 |
| Top U.S. Universities | 0 | - | 4.15 | 144,920 |
| Largest United States Airlines | 0 | - | 4.39 | 55,003 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,673 |
| U.S. States by Governor | 0 | - | 4.43 | 18,046 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,677 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,656 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,285 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,096 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,813 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,893 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,513 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,095 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,333 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,712 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,806 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,511 |
| Flyover States | 0 | - | 4.52 | 29,488 |
| U.S. States With Double Letters | 0 | - | 4.54 | 24,092 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 76,090 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,299 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,669 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,536 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,360 |
| US States with the Most Executions | 0 | - | 4.51 | 26,386 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,044 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,486 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,944 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,127 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,539 |
| The Only American Country ... | 0 | - | 4.92 | 121,461 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,988 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,737 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,311 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,106 |
| Which Island in the United States? | 0 | - | 4.29 | 29,456 |
| American Foods | 0 | - | 3.66 | 39,364 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,128 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,234 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,734 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,313 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,879 |
| Branches of the U.S. Military | 0 | - | 4.39 | 24,340 |
| University of California Campuses | 0 | - | 3.84 | 8,905 |
| Old West History | 0 | - | 4.33 | 15,261 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,517 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,919 |
| US States Quiz | 0 | - | 5.00 | 16,844,062 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,559 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,839 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,275 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,649 |
| Canada Country Quiz | 0 | - | 4.54 | 132,372 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 124,100 |
| Canada A-Z | 0 | - | 4.73 | 32,788 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,021 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,369 |
| History of Mexico | 0 | - | 4.58 | 15,297 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,820 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,716 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,943 |
| States of Brazil | 0 | - | 4.97 | 87,741 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 19,191 |
| U.S. States by Picture #1 | 0 | - | 4.21 | 15,420 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,336 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,584 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,618 |
| Senators Who Ran For President | 0 | - | 4.24 | 17,033 |
| U.S. Electoral College Landslides | 0 | - | 4.35 | 22,032 |
| Chicago City Trivia | 0 | - | 4.31 | 31,437 |
| Boston City Trivia | 0 | - | 4.38 | 24,162 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,315 |
| Events in U.S. History | 0 | - | 4.40 | 28,635 |
| African-American Historical Figures | 0 | - | 4.18 | 17,194 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,939 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,305 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,304 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,352 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,652 |
