| Canada Provinces and Territories | 0 | - | 5.00 | 338,874 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,882 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,545 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,595 |
| United States Map Quiz | 0 | - | 4.98 | 4,145,177 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,542 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,014,605 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,306 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,196 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,227 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,076 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,017 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,227 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,606 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,846 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,665 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,306 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,245 |
| States of Mexico | 0 | - | 4.95 | 173,956 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,009 |
| Central American Countries | 0 | - | 4.98 | 155,297 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,370 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,378 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,827 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,459 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,566 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,771 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.91 | 79,607 |
| Pixelated United States Map | 0 | - | 4.89 | 93,656 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,723 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,039 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,987 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,604 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,643 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,980 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,219 |
| U.S. States By Population | 0 | - | 4.92 | 152,559 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,650 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,006 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,012 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,743 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,858 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,051 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,243 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,194 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,630 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,149 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,771 |
| Canada Country Quiz | 0 | - | 4.55 | 131,904 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,751 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,216 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,115 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,865 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,228 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,056 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 39,141 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,968 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,220 |
| Flags of North and South America | 0 | - | 4.99 | 368,775 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,510 |
| South America Map Quiz | 0 | - | 5.00 | 1,542,706 |
| Belize Country Quiz | 0 | - | 4.85 | 20,842 |
| Top U.S. Universities | 0 | - | 4.15 | 144,290 |
| U.S. States by Governor | 0 | - | 4.43 | 17,997 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,600 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,574 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,390 |
| World Currency Quiz | 0 | - | 4.92 | 299,458 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,402 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,881 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,283 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,895 |
| Territories of the United States | 0 | - | 4.79 | 52,209 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,438 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,775 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,814 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,207 |
| New York City Geography | 0 | - | 4.42 | 32,981 |
| The Only American Country ... | 0 | - | 4.92 | 120,956 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,481 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,428 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,571 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,342 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,496 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,101 |
| United States Country Quiz | 0 | - | 4.43 | 100,807 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,678 |
| Canada A-Z | 0 | - | 4.73 | 32,688 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,141 |
| Ontario Cities Map Quiz | 0 | - | 4.64 | 19,359 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,516 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,398 |
| Monarchies of Europe | 0 | - | 4.90 | 97,508 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,508 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,047 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,114 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,721 |
| Monarchies of Asia | 0 | - | 4.97 | 70,707 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,525 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,203 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,446 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,724 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,680 |
| Richest Island Countries | 0 | - | 4.84 | 99,758 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,806 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 265,765 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,444 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,890 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,291 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,030 |
| History of Mexico | 0 | - | 4.58 | 15,244 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,341 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.91 | 53,197 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,534 |
| States of Brazil | 0 | - | 4.98 | 86,746 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,146 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,972 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,661 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,685 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,154 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,014 |
| Senators Who Ran For President | 0 | - | 4.24 | 16,998 |
| U.S. Electoral College Landslides | 0 | - | 4.35 | 22,000 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,664 |
| New England States | 0 | - | 4.51 | 59,726 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,546 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,911 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,449 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,724 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,721 |
| U.S. States by Borders | 0 | - | 4.63 | 35,130 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,287 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,323 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,041 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,382 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,841 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,465 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,950 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,243 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,474 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,414 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,458 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,211 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,009 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,676 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,566 |
| Canadian Islands on the Map | 0 | - | 4.39 | 19,937 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,413 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,298 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,082 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,590 |
| Name the English Monarchs | 0 | - | 4.92 | 499,030 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,580 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,976 |
| Japanese Companies | 0 | - | 4.28 | 34,118 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,146 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,449 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,469 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,585 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,163 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,130 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,071 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,133 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,906 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,420 |
| Largest United States Airlines | 0 | - | 4.39 | 54,881 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,771 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,515 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,025 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,319 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,066 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 44,995 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,797 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,667 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,133 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,047 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,415 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,686 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,685 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,938 |
| NHL Hockey Teams in Canada | 0 | - | 4.35 | 34,622 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,116 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,247 |
| Georgia ... or Georgia? | 0 | - | 4.69 | 76,515 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,061 |
| Which Island in the United States? | 0 | - | 4.29 | 29,242 |
| American Foods | 0 | - | 3.66 | 39,307 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.94 | 32,069 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 34,395 |
| Cities by Picture #2 | 0 | - | 4.19 | 34,977 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,680 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,228 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,821 |
| Old West History | 0 | - | 4.33 | 15,235 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,501 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,869 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,659 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,652 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,474 |
| Flyover States | 0 | - | 4.52 | 29,424 |
