| Canada Provinces and Territories | 0 | - | 5.00 | 347,427 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 241,046 |
| United States Map Quiz | 0 | - | 4.98 | 4,174,424 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,034,093 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,691 |
| Canada A-Z | 0 | - | 4.73 | 33,004 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,652 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 59,042 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,408 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,996 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,116 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,327 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,356 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,986 |
| States of Mexico | 0 | - | 4.96 | 178,956 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,856 |
| Central American Countries | 0 | - | 4.98 | 157,635 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,726 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 151,260 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,638 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,620 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 176,028 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,618 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,255 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,201 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,860 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,965 |
| Pixelated United States Map | 0 | - | 4.89 | 95,047 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,823 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,665 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,254 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,499 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,507 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,593 |
| U.S. States that Start with M | 0 | - | 4.94 | 188,663 |
| U.S. States By Population | 0 | - | 4.92 | 154,313 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,440 |
| U.S. States with Longest Names | 0 | - | 4.85 | 45,019 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,203 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 89,026 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,621 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,258 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,222 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,344 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,802 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,893 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,746 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 68,095 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,683 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,733 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,659 |
| Countries that Beat the United States | 0 | - | 4.93 | 169,017 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,625 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,142 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,460 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,173 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,235 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,972 |
| Flags of North and South America | 0 | - | 4.99 | 378,552 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,944 |
| South America Map Quiz | 0 | - | 5.00 | 1,559,132 |
| Belize Country Quiz | 0 | - | 4.85 | 21,131 |
| Territories of the United States | 0 | - | 4.80 | 52,691 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,946 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 176,308 |
| New York City Geography | 0 | - | 4.43 | 33,210 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,701 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,178 |
| Famous Germans | 0 | - | 4.50 | 55,903 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,589 |
| The Only American Country ... | 0 | - | 4.92 | 122,408 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,825 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,860 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,162 |
| American Legal Vocabulary | 0 | - | 4.40 | 34,057 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,269 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.07 | 28,976 |
| Canada Decoder | 0 | - | 4.07 | 18,786 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,285 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,353 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,244 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,184 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,818 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,703 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,302 |
| United States Country Quiz | 0 | - | 4.43 | 102,398 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,118 |
| Canada Country Quiz | 0 | - | 4.55 | 133,234 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,736 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,271 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 93,010 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,933 |
| History of Mexico | 0 | - | 4.52 | 15,382 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 105,673 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 55,108 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,784 |
| States of Brazil | 0 | - | 4.98 | 90,158 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,784 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,408 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,830 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,552 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,183 |
| New England States | 0 | - | 4.51 | 59,916 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,133 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,142 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,264 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,355 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,202 |
| U.S. States by Borders | 0 | - | 4.61 | 35,522 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,734 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,419 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,494 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 100,005 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,282 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,860 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,551 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,547 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,916 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,495 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,367 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,630 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 83,198 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,359 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,877 |
| Canadian Islands on the Map | 0 | - | 4.40 | 20,130 |
| Famous French People | 0 | - | 4.05 | 36,201 |
| Famous Australians by Description | 0 | - | 4.23 | 28,204 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,684 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.92 | 95,801 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,960 |
| Jamaica Country Quiz | 0 | - | 4.59 | 35,277 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,862 |
| Top U.S. Universities | 0 | - | 4.15 | 146,061 |
| Largest United States Airlines | 0 | - | 4.39 | 55,192 |
| U.S. States by Governor | 0 | - | 4.43 | 18,131 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,790 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,818 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,921 |
| Events in U.S. History | 0 | - | 4.41 | 28,869 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,227 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,703 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.70 | 61,613 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.62 | 45,303 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 68,004 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,306 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,588 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,857 |
| NHL Hockey Teams in Canada | 0 | - | 4.35 | 35,261 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,317 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,814 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,283 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,690 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,172 |
| Canada or Africa by Area | 0 | - | 4.78 | 18,643 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,216 |
| Which Island in the United States? | 0 | - | 4.29 | 29,854 |
| American Foods | 0 | - | 3.66 | 39,461 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,285 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,355 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,772 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,343 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,842 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,473 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,999 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,513 |
| Old West History | 0 | - | 4.34 | 15,311 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,540 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 20,001 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,814 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 75,139 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,583 |
| Flyover States | 0 | - | 4.53 | 29,625 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,316 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,474 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 129,068 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,493 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,830 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,754 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,577 |
| US States with the Most Executions | 0 | - | 4.51 | 26,433 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,193 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,348 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,892 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,868 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 47,146 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,280 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,878 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,392 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,776 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,729 |
| Famous Russians | 0 | - | 4.16 | 23,936 |
| Famous Irish People | 0 | - | 4.05 | 46,087 |
| Famous Nordic People | 0 | - | 4.34 | 20,364 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,652 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 43,114 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 281,149 |
| Famous Chinese People | 0 | - | 4.09 | 11,936 |
| Georgia ... or Georgia? | 0 | - | 4.68 | 77,118 |
| Africa A-Z | 0 | - | 4.57 | 46,812 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,764 |
