| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,985 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,251 |
| United States Map Quiz | 0 | - | 4.98 | 4,171,091 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,712 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,882 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,813 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,936 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,466 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,390 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,529 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,422 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,094 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,628 |
| Pixelated United States Map | 0 | - | 4.88 | 94,806 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,531 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,434 |
| New York City Geography | 0 | - | 4.43 | 33,186 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,068 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,264 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,294 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,333 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,352 |
| U.S. States By Population | 0 | - | 4.92 | 154,130 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,210 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,882 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,071 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,856 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,535 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,084 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,039 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,220 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,670 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,819 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,645 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,983 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,031,262 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,115 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,531 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,644 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,454 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,023 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,066 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 904,981 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,812 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,000 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,117 |
| States of Mexico | 0 | - | 4.96 | 178,213 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,599 |
| Central American Countries | 0 | - | 4.98 | 157,323 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,583 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 150,560 |
| Territories of the United States | 0 | - | 4.80 | 52,620 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,885 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 176,091 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,520 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,908 |
| Washington State by Picture | 0 | - | 4.26 | 7,758 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,730 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,675 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,279 |
| United States Country Quiz | 0 | - | 4.43 | 102,178 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,062 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 56,245 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,199 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 77,033 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,614 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,477 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,626 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,772 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,503 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,421 |
| 75 Americans Named John | 0 | - | 4.41 | 23,971 |
| Washington... or Washington D.C.? | 0 | - | 4.33 | 26,589 |
| New England States | 0 | - | 4.51 | 59,894 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,054 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,117 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,141 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,280 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,138 |
| U.S. States by Borders | 0 | - | 4.62 | 35,477 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 188,802 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,679 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,335 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,445 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,930 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,219 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,827 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,459 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,514 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,861 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,363 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,264 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,582 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 83,060 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,267 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 47,087 |
| Countries that Beat Canada | 0 | - | 4.90 | 98,992 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 55,691 |
| California Multiple Choice | 0 | - | 4.40 | 28,179 |
| California Pro Sport Teams | 0 | - | 4.19 | 22,713 |
| San Francisco Trivia | 0 | - | 4.32 | 15,730 |
| San Francisco A-Z | 0 | - | 4.18 | 9,588 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,204 |
| Chicago City Trivia | 0 | - | 4.31 | 31,521 |
| Boston City Trivia | 0 | - | 4.38 | 24,202 |
| Texas Pro Sport Teams | 0 | - | 4.19 | 16,855 |
| History of Pennsylvania | 0 | - | 4.16 | 7,167 |
| History of Virginia | 0 | - | 4.33 | 11,642 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,643 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 59,687 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.62 | 45,264 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,977 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,267 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.44 | 70,582 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.74 | 64,204 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,571 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,834 |
| Flags of North and South America | 0 | - | 4.99 | 376,879 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,648 |
| South America Map Quiz | 0 | - | 5.00 | 1,556,532 |
| Belize Country Quiz | 0 | - | 4.85 | 21,083 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,301 |
| Top U.S. Universities | 0 | - | 4.15 | 145,805 |
| Largest United States Airlines | 0 | - | 4.39 | 55,157 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,975 |
| U.S. States by Governor | 0 | - | 4.43 | 18,111 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,764 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,776 |
| North Carolina... or South Carolina? | 0 | - | 4.21 | 10,564 |
| Events in U.S. History | 0 | - | 4.41 | 28,822 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,194 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,874 |
| The Only American Country ... | 0 | - | 4.92 | 122,208 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,656 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,936 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,156 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,191 |
| Which Island in the United States? | 0 | - | 4.29 | 29,777 |
| American Foods | 0 | - | 3.66 | 39,437 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,154 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,329 |
| American Legal Vocabulary | 0 | - | 4.40 | 34,020 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,726 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,291 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,821 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,444 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,982 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,504 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,471 |
| University of California Campuses | 0 | - | 3.84 | 8,955 |
| Old West History | 0 | - | 4.34 | 15,299 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,534 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,984 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,780 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 75,056 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,567 |
| Flyover States | 0 | - | 4.53 | 29,593 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,264 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,400 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,971 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,790 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,714 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,530 |
| US States with the Most Executions | 0 | - | 4.51 | 26,424 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,161 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,262 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,247 |
| US States Quiz | 0 | - | 5.00 | 16,993,238 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,632 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,934 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,367 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,736 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,675 |
| Canada Country Quiz | 0 | - | 4.55 | 133,033 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,605 |
| Canada A-Z | 0 | - | 4.73 | 32,967 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,825 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,803 |
| History of Mexico | 0 | - | 4.52 | 15,364 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,486 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,803 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,560 |
| States of Brazil | 0 | - | 4.97 | 89,682 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 19,233 |
| U.S. States by Picture #1 | 0 | - | 4.21 | 15,515 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,330 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,951 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,868 |
| Senators Who Ran For President | 0 | - | 4.24 | 17,080 |
| U.S. Electoral College Landslides | 0 | - | 4.35 | 22,087 |
| Geography of California | 0 | - | 4.26 | 10,627 |
| New York Pro Sport Teams | 0 | - | 4.32 | 25,960 |
| African-American Historical Figures | 0 | - | 4.18 | 17,289 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,658 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,430 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,606 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,061 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,886 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,244 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,807 |
