| Canada Provinces and Territories | 0 | - | 5.00 | 324,094 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 234,540 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 71,379 |
| United States Map Quiz | 0 | - | 4.98 | 4,091,666 |
| Countries of North America Quiz | 0 | - | 5.00 | 977,760 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 618,173 |
| Central America and Caribbean Map Quiz | 0 | - | 4.88 | 890,177 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 54,201 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 58,367 |
| U.S. State Border Crossings | 0 | - | 4.96 | 87,932 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 72,451 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 70,605 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 359,827 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 88,827 |
| States of Mexico | 0 | - | 4.93 | 163,533 |
| Mexico States Map Quiz | 0 | - | 4.83 | 100,061 |
| Central American Countries | 0 | - | 4.98 | 150,551 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 125,556 |
| Top U.S. Universities | 0 | - | 4.14 | 140,129 |
| U.S. National Parks Quiz | 0 | - | 4.83 | 52,499 |
| Total United States Immigration by Country | 0 | - | 4.90 | 106,976 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 169,356 |
| Major non-NATO U.S. Allies | 0 | - | 4.50 | 50,267 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 230,214 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.83 | 63,241 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.89 | 26,193 |
| Canada Immigration by Country | 0 | - | 4.51 | 60,966 |
| Canada A-Z | 0 | - | 4.70 | 32,146 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 74,595 |
| Pixelated United States Map | 0 | - | 4.90 | 90,403 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 104,500 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 87,876 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 113,293 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 107,175 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 109,285 |
| U.S. States with Short Names | 0 | - | 4.90 | 143,745 |
| U.S. States that Start with M | 0 | - | 4.93 | 181,535 |
| U.S. States By Population | 0 | - | 4.90 | 138,897 |
| U.S. States that Start with N | 0 | - | 4.95 | 166,714 |
| U.S. States with Longest Names | 0 | - | 4.87 | 41,985 |
| 10 Northernmost U.S. States | 0 | - | 4.89 | 80,252 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 85,183 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 62,280 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 62,890 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.94 | 156,127 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 175,102 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 121,890 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.84 | 67,854 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 84,160 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.83 | 64,822 |
| Countries Closest to Canada | 0 | - | 4.90 | 194,300 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 101,371 |
| Countries that Beat the United States | 0 | - | 4.93 | 160,820 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 98,271 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 79,803 |
| Canadian Geography on the Map | 0 | - | 4.58 | 25,666 |
| Countries that Beat Canada | 0 | - | 4.90 | 84,921 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 95,954 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 141,747 |
| Flags of North and South America | 0 | - | 4.99 | 343,051 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 122,946 |
| South America Map Quiz | 0 | - | 5.00 | 1,513,283 |
| Belize Country Quiz | 0 | - | 4.87 | 20,313 |
| Territories of the United States | 0 | - | 4.78 | 51,312 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 38,195 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 170,904 |
| U.S. States by Governor Quiz | 0 | - | 4.42 | 17,708 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,227 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,112 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 52,900 |
| The Only American Country ... | 0 | - | 4.92 | 117,532 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 107,753 |
| North America Capitals Quiz | 0 | - | 4.99 | 208,727 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,023 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,376 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 41,661 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 12,890 |
| Canada Decoder | 0 | - | 4.12 | 18,429 |
| Catholic Countries in Europe | 0 | - | 4.83 | 91,676 |
| Monarchies of Europe | 0 | - | 4.89 | 94,851 |
| European Geography By Letter - B #2 | 0 | - | 4.81 | 67,122 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 76,310 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 64,803 |
| Monarchies of Asia | 0 | - | 4.97 | 69,228 |
| Asian Country Superlatives | 0 | - | 4.83 | 79,079 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 110,291 |
| U.S. State Nicknames Quiz | 0 | - | 4.49 | 49,201 |
| Countries with American Expatriates | 0 | - | 4.55 | 42,131 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 39,710 |
| United States Country Quiz | 0 | - | 4.44 | 97,682 |
| Busiest Air Routes from the U.S. | 0 | - | 4.47 | 75,788 |
| Canada Country Quiz | 0 | - | 4.53 | 129,166 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 121,846 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.74 | 58,669 |
| Category Elimination - African Geography #1 | 0 | - | 4.91 | 88,264 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 90,447 |
| History of Mexico | 0 | - | 4.58 | 14,988 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 102,040 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.91 | 49,327 |
| Brazil States Map Quiz | 0 | - | 4.84 | 45,440 |
| States of Brazil | 0 | - | 4.98 | 81,585 |
| U.S. Federal Holidays | 0 | - | 4.33 | 98,328 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.54 | 136,050 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,388 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 87,443 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 203,674 |
| Every U.S. Metro Area on a Map | 0 | - | 4.96 | 77,520 |
| Senators Who Ran For President | 0 | - | 4.28 | 16,822 |
| U.S. Electoral College Landslides | 0 | - | 4.34 | 21,766 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 58,623 |
| New England States | 0 | - | 4.51 | 59,371 |
| US States by Land Area | 0 | - | 4.61 | 51,409 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,554 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 80,940 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 54,525 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.78 | 39,886 |
| U.S. States by Borders | 0 | - | 4.62 | 34,388 |
| 10 Easternmost U.S. States | 0 | - | 4.55 | 55,430 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 99,188 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.47 | 43,140 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 97,991 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.65 | 32,046 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 73,751 |
| Top 10 Most Asian U.S. States | 0 | - | 4.78 | 73,884 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 80,663 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 72,571 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 87,917 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 82,664 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.44 | 51,379 |
| Top 10 Most White U.S. States | 0 | - | 4.50 | 79,743 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 58,297 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 39,488 |
| Capitals of Canadian Provinces | 0 | - | 4.87 | 85,687 |
| Canadian Islands on the Map | 0 | - | 4.35 | 14,055 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 38,841 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 189,433 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 123,667 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 223,351 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 159,436 |
| English Monarchs Quiz | 0 | - | 4.92 | 483,693 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 121,101 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.89 | 104,575 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.95 | 92,334 |
| Canada or Africa by Area | 0 | - | 4.65 | 17,130 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 87,242 |
| Jamaica Country Quiz | 0 | - | 4.57 | 34,209 |
| Haiti Country Quiz | 0 | - | 4.75 | 31,654 |
| Largest United States Airlines | 0 | - | 4.39 | 54,146 |
| Florida Pro Sport Teams | 0 | - | 4.69 | 11,445 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 185,593 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 32,660 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.74 | 55,777 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 54,487 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.63 | 44,350 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,396 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 35,533 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,031 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,345 |
| Bahamas Country Quiz | 0 | - | 4.62 | 18,689 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 516,441 |
| Georgia ... or Georgia? | 0 | - | 4.69 | 75,343 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 261,969 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 26,777 |
| Which Island in the United States? | 0 | - | 4.29 | 27,948 |
| American Foods | 0 | - | 3.66 | 38,965 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 33,726 |
| Cities by Picture #2 | 0 | - | 4.18 | 34,395 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.25 | 14,384 |
| U.S. Groups of Four Quiz | 0 | - | 4.38 | 24,758 |
| U.S. Groups of Three Quiz | 0 | - | 4.09 | 20,527 |
| New York City Geography | 0 | - | 4.32 | 24,032 |
| Old West History | 0 | - | 4.30 | 15,109 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,429 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,609 |
| U.S. History Multiple Choice #3 | 0 | - | 4.42 | 24,358 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 73,681 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.50 | 21,248 |
| Flyover States | 0 | - | 4.52 | 29,058 |
| U.S. States With Double Letters | 0 | - | 4.65 | 23,275 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 74,767 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.40 | 126,086 |
| Top 10 Coldest U.S. States | 0 | - | 4.93 | 120,501 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 121,115 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 92,125 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.46 | 29,137 |
| U.S. States with Oldest Median Age | 0 | - | 4.32 | 41,625 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 43,478 |
| US States with the Most Executions | 0 | - | 4.51 | 26,182 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 28,440 |
| Top 10 Least White U.S. States | 0 | - | 4.19 | 46,304 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 186,019 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 162,851 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 23,577 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.81 | 60,423 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 92,512 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.89 | 46,974 |
| Famous Canadians Quiz | 0 | - | 3.94 | 23,201 |
| Canadian Musical Acts | 0 | - | 3.93 | 18,449 |
| Canada Multiple Choice Quiz | 0 | - | 4.53 | 47,510 |
| Canada Geography Trivia | 0 | - | 4.79 | 46,797 |
