| Canada Provinces and Territories | 0 | - | 5.00 | 342,810 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 640,698 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,526 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,895 |
| United States Map Quiz | 0 | - | 4.98 | 4,159,498 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,403 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,411 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,023,848 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,487 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 58,022 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,226 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,509 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,502 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,141 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,960 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,207 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,175 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,621 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,231 |
| States of Mexico | 0 | - | 4.96 | 176,228 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,798 |
| Central American Countries | 0 | - | 4.98 | 156,523 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,557 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,977 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,701 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,574 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,225 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,260 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,097 |
| Pixelated United States Map | 0 | - | 4.87 | 94,315 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,740 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,816 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,950 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,492 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,491 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,080 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,371 |
| U.S. States By Population | 0 | - | 4.92 | 153,597 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,504 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,468 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,569 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,369 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,235 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,661 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,077 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,804 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,266 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,573 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,292 |
| Canada Country Quiz | 0 | - | 4.55 | 132,523 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,239 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,084 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,130 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,536 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,803 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,507 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,590 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,333 |
| Flags of North and South America | 0 | - | 4.99 | 373,394 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,866 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,223 |
| Belize Country Quiz | 0 | - | 4.85 | 20,983 |
| Top U.S. Universities | 0 | - | 4.15 | 145,184 |
| U.S. States by Governor | 0 | - | 4.43 | 18,064 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,703 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,686 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,554 |
| World Currency Quiz | 0 | - | 4.92 | 303,343 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,644 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,592 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,813 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,946 |
| Territories of the United States | 0 | - | 4.80 | 52,419 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,694 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,513 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,922 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,367 |
| New York City Geography | 0 | - | 4.42 | 33,108 |
| The Only American Country ... | 0 | - | 4.92 | 121,662 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,159 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,837 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,983 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,540 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,590 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,186 |
| United States Country Quiz | 0 | - | 4.43 | 101,563 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,902 |
| Canada A-Z | 0 | - | 4.73 | 32,844 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,197 |
| Ontario Cities Map Quiz | 0 | - | 4.64 | 19,472 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,182 |
| Monarchies of Europe | 0 | - | 4.90 | 98,186 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,690 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,043 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,536 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,995 |
| Monarchies of Asia | 0 | - | 4.97 | 71,116 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,915 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,265 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,468 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,775 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,444 |
| Richest Island Countries | 0 | - | 4.85 | 100,595 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,490 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 271,782 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,356 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,585 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,413 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,494 |
| History of Mexico | 0 | - | 4.58 | 15,312 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,964 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,983 |
| Brazil States Map Quiz | 0 | - | 4.85 | 48,114 |
| States of Brazil | 0 | - | 4.97 | 88,225 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,469 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,392 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,722 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,933 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,562 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,836 |
| Senators Who Ran For President | 0 | - | 4.24 | 17,047 |
| U.S. Electoral College Landslides | 0 | - | 4.35 | 22,040 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,903 |
| New England States | 0 | - | 4.51 | 59,816 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,831 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,015 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,840 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,025 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,945 |
| U.S. States by Borders | 0 | - | 4.61 | 35,332 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,493 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,057 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,234 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,685 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 33,057 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,694 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,225 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,397 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,703 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,946 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,892 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,433 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,609 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,998 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,931 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,129 |
| Canadian Islands on the Map | 0 | - | 4.40 | 20,046 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,172 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,075 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,424 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,226 |
| Name the English Monarchs | 0 | - | 4.91 | 503,011 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,004 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,103 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,859 |
| Japanese Companies | 0 | - | 4.28 | 34,235 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,211 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,940 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,243 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,123 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,437 |
| Canada or Africa by Area | 0 | - | 4.78 | 18,377 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,598 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,426 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,727 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,093 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,621 |
| Largest United States Airlines | 0 | - | 4.39 | 55,043 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,850 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,854 |
| Events in U.S. History | 0 | - | 4.41 | 28,681 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,118 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,499 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,195 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,149 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,882 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,723 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,799 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,168 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,506 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,780 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,201 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,148 |
| NHL Hockey Teams in Canada | 0 | - | 4.35 | 35,000 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,221 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,849 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,802 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,131 |
| Which Island in the United States? | 0 | - | 4.29 | 29,534 |
| American Foods | 0 | - | 3.66 | 39,385 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,259 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,576 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,149 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,767 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,337 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,904 |
| Old West History | 0 | - | 4.34 | 15,279 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,522 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,939 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,737 |
