| Canada Provinces and Territories | 0 | - | 5.00 | 339,131 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,625 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,611 |
| United States Map Quiz | 0 | - | 4.98 | 4,145,885 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,015,333 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,132 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,416 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,253 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,282 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,108 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,053 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,268 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,623 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,800 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,313 |
| States of Mexico | 0 | - | 4.95 | 174,101 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,057 |
| Central American Countries | 0 | - | 4.98 | 155,358 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,467 |
| Top U.S. Universities | 0 | - | 4.15 | 144,356 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,436 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,879 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,530 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,868 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,749 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,811 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,323 |
| Canada A-Z | 0 | - | 4.73 | 32,701 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.92 | 80,675 |
| Pixelated United States Map | 0 | - | 4.89 | 93,695 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,797 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,105 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,112 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,727 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,743 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,108 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,347 |
| U.S. States By Population | 0 | - | 4.92 | 152,641 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,717 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,055 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,035 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,806 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,902 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,122 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,293 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,221 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,662 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,164 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,800 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 66,990 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,574 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,275 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,929 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,265 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,085 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,226 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,005 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,160 |
| Flags of North and South America | 0 | - | 4.99 | 369,140 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,629 |
| South America Map Quiz | 0 | - | 5.00 | 1,543,174 |
| Belize Country Quiz | 0 | - | 4.85 | 20,849 |
| Territories of the United States | 0 | - | 4.79 | 52,222 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,448 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,827 |
| U.S. States by Governor | 0 | - | 4.43 | 18,000 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,604 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,583 |
| New York City Geography | 0 | - | 4.42 | 32,993 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,795 |
| The Only American Country ... | 0 | - | 4.92 | 121,038 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,560 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,771 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,116 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,818 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,223 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,144 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 28,159 |
| Canada Decoder | 0 | - | 4.12 | 18,671 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,535 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,446 |
| Monarchies of Europe | 0 | - | 4.90 | 97,559 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,540 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,120 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,126 |
| Monarchies of Asia | 0 | - | 4.97 | 70,743 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,550 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,456 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,349 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,502 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,107 |
| United States Country Quiz | 0 | - | 4.43 | 100,862 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,693 |
| Canada Country Quiz | 0 | - | 4.55 | 131,940 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,781 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,738 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,382 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,058 |
| History of Mexico | 0 | - | 4.58 | 15,247 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,405 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,245 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,565 |
| States of Brazil | 0 | - | 4.98 | 86,811 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,155 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,998 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,666 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,753 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,224 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,067 |
| Senators Who Ran For President | 0 | - | 4.24 | 17,005 |
| U.S. Electoral College Landslides | 0 | - | 4.35 | 22,004 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,679 |
| New England States | 0 | - | 4.51 | 59,734 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,583 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,927 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,480 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,753 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,742 |
| U.S. States by Borders | 0 | - | 4.63 | 35,148 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,316 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,616 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,051 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,393 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,854 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,473 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,966 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,250 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,485 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,459 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,487 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,223 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,057 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,691 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,610 |
| Canadian Islands on the Map | 0 | - | 4.39 | 19,943 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,142 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,468 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,349 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,265 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,721 |
| Name the English Monarchs | 0 | - | 4.92 | 499,286 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,605 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,047 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,851 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,142 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,149 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,920 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,424 |
| Largest United States Airlines | 0 | - | 4.39 | 54,894 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,778 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,577 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,029 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,333 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,074 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 45,001 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,803 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,058 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,423 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,692 |
| NHL Hockey Teams in Canada | 0 | - | 4.35 | 34,653 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,121 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,178 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,539 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,982 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,066 |
| Which Island in the United States? | 0 | - | 4.29 | 29,268 |
| American Foods | 0 | - | 3.66 | 39,313 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.94 | 32,099 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,408 |
| Cities by Picture #2 | 0 | - | 4.19 | 34,987 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,688 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,236 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,829 |
| Old West History | 0 | - | 4.33 | 15,235 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,504 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,876 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,663 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,671 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,476 |
| Flyover States | 0 | - | 4.52 | 29,432 |
| U.S. States With Double Letters | 0 | - | 4.54 | 23,973 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 75,916 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,099 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,100 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,935 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,691 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.44 | 29,612 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,427 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,218 |
| US States with the Most Executions | 0 | - | 4.51 | 26,362 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 28,959 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,725 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,742 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,340 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 40,106 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,061 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,644 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,729 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,947 |
| Famous Canadians Quiz | 0 | - | 3.94 | 23,375 |
