| Canada A-Z | 0 | - | 4.70 | 32,337 |
| United States Map Quiz | 0 | - | 4.98 | 4,114,423 |
| Countries of North America Quiz | 0 | - | 5.00 | 992,056 |
| Canada Provinces and Territories | 0 | - | 5.00 | 329,080 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 625,348 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 151,804 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 191,881 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 168,512 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 188,792 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 297,405 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 177,652 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.81 | 71,208 |
| Africa A-Z | 0 | - | 4.57 | 45,968 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 894,858 |
| North American Capitals - Map Quiz | 0 | - | 4.86 | 55,256 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 60,030 |
| U.S. State Border Crossings | 0 | - | 4.97 | 94,563 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 235,902 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 73,258 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 71,663 |
| Name an Official Language A-Z | 0 | - | 4.92 | 172,678 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 361,940 |
| States of Mexico | 0 | - | 4.95 | 167,559 |
| Mexico States Map Quiz | 0 | - | 4.84 | 101,587 |
| Central American Countries | 0 | - | 4.98 | 152,537 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 134,137 |
| U.S. National Parks Quiz | 0 | - | 4.84 | 53,503 |
| Total United States Immigration by Country | 0 | - | 4.90 | 108,366 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 170,923 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 234,115 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 71,786 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 63,995 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.89 | 26,637 |
| Asian Cities A-Z | 0 | - | 4.51 | 31,271 |
| Pixelated United States Map | 0 | - | 4.90 | 91,853 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 106,032 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 89,043 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 114,945 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 108,451 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 110,533 |
| U.S. States with Short Names | 0 | - | 4.91 | 145,374 |
| U.S. States that Start with M | 0 | - | 4.93 | 183,599 |
| U.S. States By Population | 0 | - | 4.90 | 139,798 |
| U.S. States that Start with N | 0 | - | 4.95 | 168,079 |
| U.S. States with Longest Names | 0 | - | 4.84 | 42,777 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 80,850 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 86,101 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 62,900 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 63,661 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.94 | 157,043 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 175,806 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 122,911 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.84 | 68,269 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 84,672 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 65,601 |
| Countries Closest to Canada | 0 | - | 4.90 | 195,549 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,473 |
| A to Z: Musical Terms | 0 | - | 4.43 | 40,584 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,204 |
| Geography A-Z #5 | 0 | - | 4.47 | 36,852 |
| Empires A-Z | 0 | - | 4.51 | 44,142 |
| Geography A-Z #1 | 0 | - | 4.56 | 68,812 |
| U.S. Federal Holidays | 0 | - | 4.33 | 98,713 |
| Countries that Beat the United States | 0 | - | 4.93 | 162,656 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 99,184 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 80,518 |
| Countries that Beat Canada | 0 | - | 4.90 | 85,696 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 96,722 |
| Countries that Start with a Vowel | 0 | - | 4.98 | 125,573 |
| Geography by Letter - T | 0 | - | 4.84 | 149,579 |
| South America A-Z | 0 | - | 4.13 | 10,721 |
| World Cities A-Z #1 | 0 | - | 4.52 | 61,578 |
| Islands A-Z | 0 | - | 4.46 | 115,016 |
| World Cities A-Z #2 | 0 | - | 4.44 | 53,825 |
| Human Body A-Z | 0 | - | 4.50 | 126,762 |
| Animals A-Z #1 | 0 | - | 4.41 | 91,844 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.64 | 46,793 |
| Ethnic Groups A-Z | 0 | - | 4.52 | 41,568 |
| People in History A-Z #1 | 0 | - | 4.63 | 97,334 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,066 |
| People in History A-Z #3 | 0 | - | 4.48 | 45,341 |
| Flags of North and South America | 0 | - | 4.99 | 349,472 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 125,455 |
| South America Map Quiz | 0 | - | 5.00 | 1,525,442 |
| Belize Country Quiz | 0 | - | 4.84 | 20,507 |
| Territories of the United States | 0 | - | 4.78 | 51,663 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 38,590 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 172,118 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 50,876 |
| Canada Immigration by Country | 0 | - | 4.51 | 61,474 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.84 | 85,873 |
| Middle East A-Z | 0 | - | 4.46 | 45,348 |
| Disney A-Z | 0 | - | 4.37 | 85,103 |
| Companies A-Z | 0 | - | 4.30 | 42,454 |
| Religion A-Z #1 | 0 | - | 4.31 | 61,197 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 79,624 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 104,718 |
| Video Games A-Z | 0 | - | 4.08 | 38,155 |
| Geography A-Z #3 | 0 | - | 4.21 | 38,722 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 43,771 |
| 20th Century A-Z | 0 | - | 4.52 | 52,000 |
| 19th Century A-Z | 0 | - | 4.74 | 45,582 |
| 18th Century A-Z | 0 | - | 4.57 | 41,612 |
| The Only American Country ... | 0 | - | 4.92 | 118,579 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 118,917 |
| North America Capitals Quiz | 0 | - | 4.99 | 212,058 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 231,752 |
| Caribbean Countries and Territories | 0 | - | 4.78 | 111,116 |
| U.S. State Nicknames Quiz | 0 | - | 4.50 | 49,665 |
| Countries with American Expatriates | 0 | - | 4.55 | 42,255 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 39,857 |
| United States Country Quiz | 0 | - | 4.44 | 98,859 |
| Busiest Air Routes from the U.S. | 0 | - | 4.47 | 76,110 |
| Canada Country Quiz | 0 | - | 4.53 | 130,039 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 122,586 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.74 | 59,044 |
| Double Letters A-Z | 0 | - | 4.51 | 26,898 |
| Animals A-Z #2 | 0 | - | 4.11 | 65,598 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 89,963 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 90,984 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.13 | 16,843 |
| History of Mexico | 0 | - | 4.58 | 15,086 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 102,941 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.91 | 50,717 |
| Brazil States Map Quiz | 0 | - | 4.85 | 46,150 |
| States of Brazil | 0 | - | 4.98 | 83,429 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,465 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 89,407 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 78,834 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 58,992 |
| New England States | 0 | - | 4.51 | 59,495 |
| U.S. States by Land Area | 0 | - | 4.62 | 51,798 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,689 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 81,516 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 54,980 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.78 | 40,240 |
| U.S. States by Borders | 0 | - | 4.62 | 34,687 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 55,768 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 100,459 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.47 | 43,434 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 98,424 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.65 | 32,332 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 73,984 |
| Top 10 Most Asian U.S. States | 0 | - | 4.78 | 74,272 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 80,879 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 72,912 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 88,818 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 83,328 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 51,705 |
| Top 10 Most White U.S. States | 0 | - | 4.50 | 80,556 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 58,786 |
| Capitals of Canadian Provinces | 0 | - | 4.87 | 86,918 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 38,956 |
| Canadian Geography on the Map | 0 | - | 4.55 | 25,904 |
| A to Z: Musical Terms #2 | 0 | - | 4.05 | 10,827 |
| Geography A-Z #4 | 0 | - | 4.35 | 25,523 |
| 16th Century A-Z | 0 | - | 4.56 | 18,563 |
| 15th Century A-Z | 0 | - | 4.46 | 22,433 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,419 |
| Canada or Africa by Area | 0 | - | 4.75 | 17,514 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 87,571 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 75,213 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,476 |
| Haiti Country Quiz | 0 | - | 4.77 | 31,899 |
| Top U.S. Universities | 0 | - | 4.15 | 141,591 |
| Largest United States Airlines | 0 | - | 4.39 | 54,397 |
| U.S. States by Governor | 0 | - | 4.43 | 17,804 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,353 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,264 |
| Florida Pro Sport Teams | 0 | - | 4.69 | 11,577 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 32,782 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 64,813 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 54,740 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.68 | 44,579 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,557 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 35,730 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,175 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,477 |
| Bahamas Country Quiz | 0 | - | 4.63 | 18,847 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,101 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 520,533 |
| Switzerland A-Z | 0 | - | 4.45 | 25,275 |
| NATO Military Alphabet | 0 | - | 4.98 | 542,544 |
| Geography by Letter - A | 0 | - | 4.70 | 207,858 |
| Geography by Letter - B | 0 | - | 4.56 | 181,021 |
| Geography by Letter - H | 0 | - | 4.69 | 147,304 |
| Geography by Letter - C | 0 | - | 4.47 | 155,661 |
| Geography by Letter - D | 0 | - | 4.49 | 147,699 |
| Geography by Letter - E | 0 | - | 4.42 | 144,914 |
| Geography by Letter - I | 0 | - | 4.42 | 119,823 |
| Geography by Letter - K | 0 | - | 4.53 | 115,967 |
| Geography by Letter - L | 0 | - | 4.44 | 145,880 |
| Geography by Letter - M | 0 | - | 4.49 | 116,180 |
| Geography by Letter - N | 0 | - | 4.51 | 124,777 |
| Geography by Letter - P | 0 | - | 4.48 | 173,240 |
| Geography by Letter - R | 0 | - | 4.43 | 128,104 |
| Geography by Letter - S #1 | 0 | - | 4.75 | 137,310 |
| Geography by Letter - U | 0 | - | 4.54 | 140,030 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 57,642 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,134 |
