| Canada Provinces and Territories | 0 | - | 5.00 | 346,560 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,891 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,877 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,126 |
| United States Map Quiz | 0 | - | 4.98 | 4,172,286 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,639 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,544 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,288 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,176 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,870 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,176 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,916 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,988 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,084 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,291 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,552 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,762 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,896 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,885 |
| States of Mexico | 0 | - | 4.96 | 178,414 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,701 |
| Central American Countries | 0 | - | 4.98 | 157,413 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,638 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 150,811 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,527 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,465 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,619 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,705 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,763 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,458 |
| Pixelated United States Map | 0 | - | 4.88 | 94,849 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,623 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,496 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,120 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,337 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,357 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,414 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,441 |
| U.S. States By Population | 0 | - | 4.92 | 154,200 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,290 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,927 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,116 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,901 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,561 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,145 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,099 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,271 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,722 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,851 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,678 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 68,015 |
| Canada Country Quiz | 0 | - | 4.55 | 133,092 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,640 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,082 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,155 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,749 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,518 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,062 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,130 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,440 |
| Flags of North and South America | 0 | - | 4.99 | 377,438 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,742 |
| South America Map Quiz | 0 | - | 5.00 | 1,557,246 |
| Belize Country Quiz | 0 | - | 4.85 | 21,105 |
| Top U.S. Universities | 0 | - | 4.15 | 145,886 |
| U.S. States by Governor | 0 | - | 4.43 | 18,116 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,772 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,787 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,088 |
| World Currency Quiz | 0 | - | 4.92 | 307,099 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,783 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,211 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,184 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,735 |
| Territories of the United States | 0 | - | 4.80 | 52,640 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,905 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 176,163 |
| American Legal Vocabulary | 0 | - | 4.40 | 34,029 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,484 |
| New York City Geography | 0 | - | 4.43 | 33,193 |
| The Only American Country ... | 0 | - | 4.92 | 122,257 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,710 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,422 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,767 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,682 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,287 |
| United States Country Quiz | 0 | - | 4.43 | 102,259 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,080 |
| Canada A-Z | 0 | - | 4.73 | 32,979 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,258 |
| Ontario Cities Map Quiz | 0 | - | 4.64 | 19,561 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,042 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,824 |
| Monarchies of Europe | 0 | - | 4.90 | 98,938 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,977 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,040 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,071 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,227 |
| Monarchies of Asia | 0 | - | 4.97 | 71,544 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,315 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,224 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,245 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,545 |
| Countries by Oil Consumption | 0 | - | 4.96 | 122,125 |
| Richest Island Countries | 0 | - | 4.85 | 101,275 |
| Largest Economies in 2050 | 0 | - | 4.88 | 111,971 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 275,138 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 105,053 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,141 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,848 |
| History of Mexico | 0 | - | 4.52 | 15,369 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 105,540 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 54,937 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,653 |
| States of Brazil | 0 | - | 4.97 | 89,867 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,636 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,040 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,776 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,110 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,603 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,215 |
| Senators Who Ran For President | 0 | - | 4.24 | 17,088 |
| U.S. Electoral College Landslides | 0 | - | 4.35 | 22,092 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,132 |
| New England States | 0 | - | 4.51 | 59,906 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,084 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,127 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,180 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,303 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,160 |
| U.S. States by Borders | 0 | - | 4.62 | 35,493 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,696 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,360 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,459 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,947 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,242 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,840 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,485 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,525 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,878 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,398 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,297 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,594 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 83,107 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,301 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,723 |
| Canadian Islands on the Map | 0 | - | 4.40 | 20,110 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,970 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,864 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,046 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,052 |
| Name the English Monarchs | 0 | - | 4.91 | 506,903 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,782 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,428 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,799 |
| Japanese Companies | 0 | - | 4.29 | 34,377 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,491 |
| Richest Countries A-Z | 0 | - | 4.91 | 104,119 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,323 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,941 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,644 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,707 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 62,053 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,637 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,900 |
| Jamaica Country Quiz | 0 | - | 4.59 | 35,256 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,824 |
| Largest United States Airlines | 0 | - | 4.39 | 55,171 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,911 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,860 |
| Events in U.S. History | 0 | - | 4.41 | 28,834 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,206 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,665 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.70 | 61,251 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.62 | 45,277 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,989 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,712 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,329 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,279 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,576 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,842 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,763 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,350 |
| NHL Hockey Teams in Canada | 0 | - | 4.35 | 35,214 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,299 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,356 |
| Canada or Africa by Area | 0 | - | 4.78 | 18,597 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,204 |
| Which Island in the United States? | 0 | - | 4.29 | 29,799 |
| American Foods | 0 | - | 3.66 | 39,447 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,338 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,740 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,307 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,829 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,456 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,986 |
| Old West History | 0 | - | 4.34 | 15,307 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,536 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,990 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,789 |
