| States of Mexico | 0 | - | 4.95 | 175,547 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 147,942 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,204 |
| United States Map Quiz | 0 | - | 4.98 | 4,154,246 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,741 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,453 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,249 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,554 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,950 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,727 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,880 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,366 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,193 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,343 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,743 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,825 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,619 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,488 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,786 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,678 |
| States of Brazil | 0 | - | 4.97 | 87,684 |
| Central American Countries | 0 | - | 4.98 | 155,909 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,801 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,340 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,277 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,803 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,090 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,711 |
| Pixelated United States Map | 0 | - | 4.87 | 94,092 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,362 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,534 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,650 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,181 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,219 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,717 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,984 |
| U.S. States By Population | 0 | - | 4.92 | 153,017 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,204 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,324 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,394 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,147 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,112 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,474 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,791 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,555 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,049 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,429 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,122 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,388 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,263 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,042 |
| Famous People from South America | 0 | - | 4.15 | 21,921 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,564 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,053 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,604 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,341 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,301 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,393 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,717 |
| History of Mexico | 0 | - | 4.58 | 15,291 |
| Word Chain - South America | 0 | - | 4.51 | 23,874 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,668 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,014 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,034 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,554 |
| African-American Historical Figures | 0 | - | 4.18 | 17,179 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,889 |
| Flags of North and South America | 0 | - | 4.99 | 372,032 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,376 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,469 |
| Belize Country Quiz | 0 | - | 4.85 | 20,939 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,297 |
| Famous People from Africa | 0 | - | 4.45 | 10,938 |
| Territories of the United States | 0 | - | 4.79 | 52,336 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,583 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,276 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,087 |
| New York City Geography | 0 | - | 4.42 | 33,059 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,523 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,363 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,292 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,614 |
| The Only American Country ... | 0 | - | 4.92 | 121,415 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,768 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,520 |
| Antigua and Barbuda Country Quiz | 0 | - | 4.68 | 22,068 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,751 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,128 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,464 |
| American Foods | 0 | - | 3.66 | 39,358 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,560 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,160 |
| United States Country Quiz | 0 | - | 4.43 | 101,335 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,298 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,871 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,828 |
| Canada Country Quiz | 0 | - | 4.54 | 132,332 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 124,074 |
| Canada A-Z | 0 | - | 4.73 | 32,779 |
| Canada Decoder | 0 | - | 4.12 | 18,707 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,730 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,894 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,114 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,954 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,349 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,938 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,313 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,559 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,889 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,428 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 19,190 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,695 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,511 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,881 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,559 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,828 |
| New England States | 0 | - | 4.51 | 59,785 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,748 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,983 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,706 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,921 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,876 |
| U.S. States by Borders | 0 | - | 4.61 | 35,260 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,431 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,957 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,177 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,579 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 32,985 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,589 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,127 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,340 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,625 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,768 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,737 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,359 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,405 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,900 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,828 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,907 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,297 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,672 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,343 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,722 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,735 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,568 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,280 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,334 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,523 |
| South American Physical Geography | 0 | - | 4.58 | 18,331 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,664 |
| Top U.S. Universities | 0 | - | 4.15 | 144,861 |
| Largest United States Airlines | 0 | - | 4.39 | 54,995 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,778 |
| U.S. States by Governor | 0 | - | 4.43 | 18,045 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,671 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,651 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,822 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,092 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,437 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,150 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,094 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,857 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,345 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,867 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,133 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,467 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,735 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,031 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,077 |
| NHL Hockey Teams in Canada | 0 | - | 4.35 | 34,856 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,194 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,509 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,718 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 274,803 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,678 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,103 |
| Which Island in the United States? | 0 | - | 4.29 | 29,432 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,128 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,224 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,886 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,506 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,085 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,731 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,328 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 55,912 |
| Old West History | 0 | - | 4.33 | 15,259 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,517 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,916 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,708 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,791 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,508 |
| Flyover States | 0 | - | 4.52 | 29,479 |
| U.S. States With Double Letters | 0 | - | 4.54 | 24,081 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 76,081 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,281 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,829 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,668 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,522 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,340 |
| US States with the Most Executions | 0 | - | 4.51 | 26,385 |
