| Canada Provinces and Territories | 0 | - | 5.00 | 338,959 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,980 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,572 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,605 |
| United States Map Quiz | 0 | - | 4.98 | 4,145,433 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,552 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,014,901 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,344 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,221 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,250 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,083 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,027 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,242 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,612 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,854 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,730 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,311 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,263 |
| States of Mexico | 0 | - | 4.95 | 174,026 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,025 |
| Central American Countries | 0 | - | 4.98 | 155,320 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,416 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,405 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,844 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,489 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,624 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,785 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.91 | 80,123 |
| Pixelated United States Map | 0 | - | 4.89 | 93,668 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,755 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,066 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,034 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,659 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,689 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,039 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,267 |
| U.S. States By Population | 0 | - | 4.92 | 152,600 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,676 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,025 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,025 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,763 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,875 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,081 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,259 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,202 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,638 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,156 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,779 |
| Canada Country Quiz | 0 | - | 4.55 | 131,911 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,754 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,245 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,116 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,885 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,241 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,070 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 39,141 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,981 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,222 |
| Flags of North and South America | 0 | - | 4.99 | 368,889 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,567 |
| South America Map Quiz | 0 | - | 5.00 | 1,542,882 |
| Belize Country Quiz | 0 | - | 4.85 | 20,843 |
| Top U.S. Universities | 0 | - | 4.15 | 144,311 |
| U.S. States by Governor | 0 | - | 4.43 | 17,999 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,602 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,580 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,439 |
| World Currency Quiz | 0 | - | 4.92 | 299,543 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,433 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,895 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,298 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,909 |
| Territories of the United States | 0 | - | 4.79 | 52,216 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,441 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,793 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,815 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,214 |
| New York City Geography | 0 | - | 4.42 | 32,983 |
| The Only American Country ... | 0 | - | 4.92 | 120,989 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,495 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,435 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,671 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,344 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,498 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,104 |
| United States Country Quiz | 0 | - | 4.43 | 100,820 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,680 |
| Canada A-Z | 0 | - | 4.73 | 32,695 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,142 |
| Ontario Cities Map Quiz | 0 | - | 4.64 | 19,363 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,522 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,415 |
| Monarchies of Europe | 0 | - | 4.90 | 97,531 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,515 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,064 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,118 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,730 |
| Monarchies of Asia | 0 | - | 4.97 | 70,721 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,537 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,237 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,473 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,758 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,695 |
| Richest Island Countries | 0 | - | 4.84 | 99,779 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,818 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 266,196 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,467 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,905 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,305 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,036 |
| History of Mexico | 0 | - | 4.58 | 15,245 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,369 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.91 | 53,212 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,539 |
| States of Brazil | 0 | - | 4.98 | 86,766 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,152 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,983 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,664 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,708 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,183 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,034 |
| Senators Who Ran For President | 0 | - | 4.24 | 17,000 |
| U.S. Electoral College Landslides | 0 | - | 4.35 | 22,002 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,672 |
| New England States | 0 | - | 4.51 | 59,730 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,555 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,916 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,460 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,733 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,725 |
| U.S. States by Borders | 0 | - | 4.63 | 35,135 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,298 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,432 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,046 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,388 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,847 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,468 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,958 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,246 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,475 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,429 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,471 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,220 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,030 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,682 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,575 |
| Canadian Islands on the Map | 0 | - | 4.39 | 19,940 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,431 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,311 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,134 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,628 |
| Name the English Monarchs | 0 | - | 4.92 | 499,120 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,585 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,992 |
| Japanese Companies | 0 | - | 4.28 | 34,119 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,169 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,456 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,491 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,601 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,170 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,133 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,084 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,137 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,913 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,422 |
| Largest United States Airlines | 0 | - | 4.39 | 54,885 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,775 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,539 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,025 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,325 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,070 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 44,998 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,798 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,692 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,200 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,052 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,417 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,690 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,704 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,940 |
| NHL Hockey Teams in Canada | 0 | - | 4.35 | 34,630 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,117 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,259 |
| Georgia ... or Georgia? | 0 | - | 4.69 | 76,523 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,063 |
| Which Island in the United States? | 0 | - | 4.29 | 29,250 |
| American Foods | 0 | - | 3.66 | 39,309 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.94 | 32,076 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 34,401 |
| Cities by Picture #2 | 0 | - | 4.19 | 34,980 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,683 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,233 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,825 |
| Old West History | 0 | - | 4.33 | 15,235 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,501 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,874 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,661 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,657 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,475 |
| Flyover States | 0 | - | 4.52 | 29,426 |
