| Canada Provinces and Territories | 0 | - | 5.00 | 344,069 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,819 |
| United States Map Quiz | 0 | - | 4.98 | 4,164,548 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,644 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 642,093 |
| Canada A-Z | 0 | - | 4.73 | 32,905 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 903,132 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,291 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,469 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,648 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,654 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,480 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,069 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,913 |
| States of Mexico | 0 | - | 4.96 | 176,999 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,255 |
| Central American Countries | 0 | - | 4.98 | 156,881 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,017 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,234 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,165 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,954 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,970 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,315 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,078 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,963 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,452 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,734 |
| Pixelated United States Map | 0 | - | 4.88 | 94,508 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,025 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,057 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,180 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,784 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,721 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,410 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,734 |
| U.S. States By Population | 0 | - | 4.92 | 153,799 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,788 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,623 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,734 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,567 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,352 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,829 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,331 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,976 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,445 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,695 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,471 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,765 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,472 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,668 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,923 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,990 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,638 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,602 |
| Ontario Cities Map Quiz | 0 | - | 4.64 | 19,506 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,794 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,534 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,377 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 65,970 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,639 |
| Flags of North and South America | 0 | - | 4.99 | 374,732 |
| South America Map Quiz | 0 | - | 5.00 | 1,552,307 |
| Belize Country Quiz | 0 | - | 4.85 | 21,024 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,197 |
| Territories of the United States | 0 | - | 4.80 | 52,486 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,757 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,753 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,966 |
| New York City Geography | 0 | - | 4.42 | 33,137 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,347 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,688 |
| The Only American Country ... | 0 | - | 4.92 | 121,869 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,336 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,827 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,621 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,622 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,222 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,135 |
| United States Country Quiz | 0 | - | 4.43 | 101,798 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,980 |
| Famous Canadians Quiz | 0 | - | 3.94 | 23,418 |
| Canada Country Quiz | 0 | - | 4.54 | 132,730 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,403 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,219 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.03 | 28,752 |
| Canada Decoder | 0 | - | 4.07 | 18,741 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,120 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,380 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,424 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,759 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,085 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,487 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,579 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,448 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,610 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,953 |
| History of Mexico | 0 | - | 4.58 | 15,340 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,171 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,267 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,295 |
| States of Brazil | 0 | - | 4.97 | 88,789 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,740 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,302 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,942 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,108 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,272 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 59,976 |
| New England States | 0 | - | 4.51 | 59,845 |
| U.S. States by Land Area | 0 | - | 4.63 | 52,920 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,048 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,944 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,141 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 41,022 |
| U.S. States by Borders | 0 | - | 4.61 | 35,391 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,561 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,170 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,285 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,767 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,116 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,762 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,315 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,435 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,761 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,103 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,058 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,489 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,787 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,101 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,986 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,316 |
| Canadian Islands on the Map | 0 | - | 4.40 | 20,066 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,788 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,168 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,689 |
| Top U.S. Universities | 0 | - | 4.15 | 145,432 |
| Largest United States Airlines | 0 | - | 4.39 | 55,088 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,434 |
| U.S. States by Governor | 0 | - | 4.43 | 18,084 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,720 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,719 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,868 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 56,048 |
| Events in U.S. History | 0 | - | 4.41 | 28,727 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,143 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,549 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,257 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,188 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,918 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,034 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,648 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,214 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,534 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,802 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,353 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,206 |
| NHL Hockey Teams in Canada | 0 | - | 4.35 | 35,096 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,245 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,664 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,895 |
| Canada or Africa by Area | 0 | - | 4.78 | 18,437 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,493 |
| Honduras Country Quiz | 0 | - | 4.52 | 23,937 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,641 |
| Antigua and Barbuda Country Quiz | 0 | - | 4.68 | 22,140 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,805 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,156 |
| Which Island in the United States? | 0 | - | 4.29 | 29,630 |
| American Foods | 0 | - | 3.66 | 39,411 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,293 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,634 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,199 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,785 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,374 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,929 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,405 |
| Old West History | 0 | - | 4.34 | 15,288 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,529 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,960 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,752 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,607 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,934 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,542 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,885 |
| Flyover States | 0 | - | 4.52 | 29,543 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,189 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,281 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,328 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,692 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,534 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,986 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,742 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,630 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,458 |
| US States with the Most Executions | 0 | - | 4.51 | 26,410 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,108 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,582 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,115 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,191 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,467 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,611 |
