| Canada Provinces and Territories | 0 | - | 5.00 | 343,842 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,779 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,950 |
| United States Map Quiz | 0 | - | 4.98 | 4,164,010 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,215 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,896 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 903,025 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,238 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,434 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,627 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,630 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,433 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,047 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,860 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,409 |
| States of Mexico | 0 | - | 4.96 | 176,865 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,192 |
| Central American Countries | 0 | - | 4.98 | 156,818 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 112,983 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,133 |
| Top U.S. Universities | 0 | - | 4.15 | 145,399 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,134 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,898 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,906 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,301 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,950 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,422 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,718 |
| Canada A-Z | 0 | - | 4.73 | 32,893 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,509 |
| Pixelated United States Map | 0 | - | 4.88 | 94,494 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,972 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,019 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,147 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,747 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,692 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,370 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,686 |
| U.S. States By Population | 0 | - | 4.92 | 153,762 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,752 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,612 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,719 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,534 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,340 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,812 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,306 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,964 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,430 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,678 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,458 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,740 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,460 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,625 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,339 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,864 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,964 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,624 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,365 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,759 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,019 |
| Flags of North and South America | 0 | - | 4.99 | 374,509 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,144 |
| South America Map Quiz | 0 | - | 5.00 | 1,552,015 |
| Belize Country Quiz | 0 | - | 4.85 | 21,017 |
| Territories of the United States | 0 | - | 4.80 | 52,479 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,747 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,715 |
| U.S. States by Governor | 0 | - | 4.43 | 18,079 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,717 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,713 |
| New York City Geography | 0 | - | 4.42 | 33,129 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,324 |
| The Only American Country ... | 0 | - | 4.92 | 121,840 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,301 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,659 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,133 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,963 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,403 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,217 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.03 | 28,742 |
| Canada Decoder | 0 | - | 4.07 | 18,737 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 97,978 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,420 |
| Monarchies of Europe | 0 | - | 4.90 | 98,377 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,078 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,358 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,743 |
| Monarchies of Asia | 0 | - | 4.97 | 71,246 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,041 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,605 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,618 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,218 |
| United States Country Quiz | 0 | - | 4.43 | 101,757 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,972 |
| Canada Country Quiz | 0 | - | 4.54 | 132,698 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,378 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,070 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,589 |
| History of Mexico | 0 | - | 4.58 | 15,339 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,143 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,217 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,265 |
| States of Brazil | 0 | - | 4.97 | 88,697 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,528 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,805 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,739 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,257 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,880 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,076 |
| Senators Who Ran For President | 0 | - | 4.24 | 17,060 |
| U.S. Electoral College Landslides | 0 | - | 4.35 | 22,054 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 59,967 |
| New England States | 0 | - | 4.51 | 59,839 |
| U.S. States by Land Area | 0 | - | 4.63 | 52,906 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,042 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,929 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,127 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 41,014 |
| U.S. States by Borders | 0 | - | 4.61 | 35,383 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,549 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,153 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,279 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,758 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,109 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,755 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,303 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,428 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,758 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,080 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,037 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,480 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,767 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,093 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,978 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,284 |
| Canadian Islands on the Map | 0 | - | 4.40 | 20,064 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,383 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,288 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,004 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,705 |
| Name the English Monarchs | 0 | - | 4.91 | 504,140 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,523 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,375 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,120 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,628 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,477 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,778 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,157 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,677 |
| Largest United States Airlines | 0 | - | 4.39 | 55,077 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,866 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,284 |
| Events in U.S. History | 0 | - | 4.41 | 28,720 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,137 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,540 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,252 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,185 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,913 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,206 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,529 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,796 |
| NHL Hockey Teams in Canada | 0 | - | 4.35 | 35,086 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,243 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,733 |
| Canada or Africa by Area | 0 | - | 4.78 | 18,420 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,151 |
| Which Island in the United States? | 0 | - | 4.29 | 29,619 |
| American Foods | 0 | - | 3.66 | 39,406 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,291 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,628 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,188 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,777 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,365 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,922 |
| Old West History | 0 | - | 4.34 | 15,286 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,529 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,956 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,749 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,926 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,540 |
| Flyover States | 0 | - | 4.52 | 29,538 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,178 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,265 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,497 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,354 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,990 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,973 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,737 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,623 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,454 |
| US States with the Most Executions | 0 | - | 4.51 | 26,408 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,105 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,100 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,998 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,538 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,186 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,024 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,331 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,192 |
| Famous Canadians Quiz | 0 | - | 3.94 | 23,417 |
