| Canada Provinces and Territories | 0 | - | 5.00 | 345,008 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,559 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,025 |
| United States Map Quiz | 0 | - | 4.98 | 4,167,225 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,028,534 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 642,982 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,115 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,518 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,645 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,750 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,785 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,734 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,164 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,184 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,595 |
| States of Mexico | 0 | - | 4.96 | 177,529 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,423 |
| Central American Countries | 0 | - | 4.98 | 157,073 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,122 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,734 |
| Top U.S. Universities | 0 | - | 4.15 | 145,597 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,317 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,126 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,233 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,393 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,687 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,578 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,800 |
| Canada A-Z | 0 | - | 4.73 | 32,927 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,854 |
| Pixelated United States Map | 0 | - | 4.88 | 94,636 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,238 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,217 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,755 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,967 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,978 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,626 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,982 |
| U.S. States By Population | 0 | - | 4.92 | 153,939 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,964 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,741 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,929 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,692 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,433 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,942 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,491 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,062 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,555 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,747 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,549 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,876 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,522 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,851 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,715 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,289 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,259 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,896 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,397 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,909 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,376 |
| Flags of North and South America | 0 | - | 4.99 | 375,685 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,370 |
| South America Map Quiz | 0 | - | 5.00 | 1,553,864 |
| Belize Country Quiz | 0 | - | 4.85 | 21,056 |
| Territories of the United States | 0 | - | 4.80 | 52,546 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,814 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,929 |
| U.S. States by Governor | 0 | - | 4.43 | 18,104 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,737 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,747 |
| New York City Geography | 0 | - | 4.43 | 33,162 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,445 |
| The Only American Country ... | 0 | - | 4.92 | 122,029 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,485 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,420 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,137 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,987 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,432 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,229 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.05 | 28,807 |
| Canada Decoder | 0 | - | 4.07 | 18,752 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,512 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,578 |
| Monarchies of Europe | 0 | - | 4.90 | 98,591 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 88,174 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,663 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,857 |
| Monarchies of Asia | 0 | - | 4.97 | 71,369 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,157 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,658 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,642 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,252 |
| United States Country Quiz | 0 | - | 4.43 | 101,976 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,017 |
| Canada Country Quiz | 0 | - | 4.54 | 132,867 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,489 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,139 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,676 |
| History of Mexico | 0 | - | 4.58 | 15,353 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,295 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,488 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,412 |
| States of Brazil | 0 | - | 4.97 | 89,145 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,574 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,895 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,747 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,573 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,200 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,302 |
| Senators Who Ran For President | 0 | - | 4.24 | 17,069 |
| U.S. Electoral College Landslides | 0 | - | 4.35 | 22,068 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,037 |
| New England States | 0 | - | 4.51 | 59,870 |
| U.S. States by Land Area | 0 | - | 4.63 | 52,980 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,081 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,018 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,208 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,080 |
| U.S. States by Borders | 0 | - | 4.61 | 35,427 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,629 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,242 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,386 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,846 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,170 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,789 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,373 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,463 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,806 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,230 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,155 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,529 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,917 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,183 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 47,038 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,437 |
| Canadian Islands on the Map | 0 | - | 4.40 | 20,082 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,576 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,519 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,006 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,329 |
| Name the English Monarchs | 0 | - | 4.91 | 505,197 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,615 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,698 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,401 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,894 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,536 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,838 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,208 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,740 |
| Largest United States Airlines | 0 | - | 4.39 | 55,119 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,888 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,543 |
| Events in U.S. History | 0 | - | 4.41 | 28,776 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,171 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,576 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,291 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,223 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,939 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,237 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,555 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,817 |
| NHL Hockey Teams in Canada | 0 | - | 4.35 | 35,148 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,264 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,613 |
| Canada or Africa by Area | 0 | - | 4.78 | 18,496 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,174 |
| Which Island in the United States? | 0 | - | 4.29 | 29,689 |
| American Foods | 0 | - | 3.66 | 39,424 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,315 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,674 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,239 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,800 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,402 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,956 |
| Old West History | 0 | - | 4.34 | 15,292 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,529 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,970 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,767 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,989 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,554 |
| Flyover States | 0 | - | 4.52 | 29,570 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,221 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,335 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,825 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,663 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,283 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,078 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,760 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,667 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,489 |
| US States with the Most Executions | 0 | - | 4.51 | 26,417 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,131 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,186 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,370 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,291 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,211 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,126 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,476 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,248 |
| Famous Canadians Quiz | 0 | - | 3.94 | 23,421 |
