| States of Mexico | 0 | - | 4.96 | 177,687 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,159 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,895 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,313 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,074 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,099 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,253 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,257 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,242 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,519 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,286 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,648 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,719 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,779 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,621 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,815 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,811 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,179 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,292 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,447 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,327 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,572 |
| States of Brazil | 0 | - | 4.97 | 89,273 |
| Central American Countries | 0 | - | 4.98 | 157,137 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,346 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,179 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,858 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,051 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,605 |
| Pixelated United States Map | 0 | - | 4.88 | 94,667 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,307 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,263 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,825 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,047 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,061 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,713 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,068 |
| U.S. States By Population | 0 | - | 4.92 | 153,981 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,018 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,769 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,957 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,738 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,452 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,971 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,520 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,090 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,576 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,766 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,567 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,905 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,548 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,897 |
| Famous People from South America | 0 | - | 4.15 | 22,057 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,355 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,354 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,306 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,937 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,828 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,946 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,836 |
| History of Mexico | 0 | - | 4.52 | 15,357 |
| Word Chain - South America | 0 | - | 4.51 | 23,975 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,751 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,123 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,216 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,753 |
| African-American Historical Figures | 0 | - | 4.18 | 17,262 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,231 |
| Flags of North and South America | 0 | - | 4.99 | 375,959 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,414 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,235 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,715 |
| Belize Country Quiz | 0 | - | 4.85 | 21,061 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,307 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,474 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,907 |
| Territories of the United States | 0 | - | 4.80 | 52,565 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,827 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,961 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,421 |
| New York City Geography | 0 | - | 4.43 | 33,170 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,817 |
| Famous People from Africa | 0 | - | 4.45 | 10,985 |
| The Only American Country ... | 0 | - | 4.92 | 122,067 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,788 |
| Antigua and Barbuda Country Quiz | 0 | - | 4.68 | 22,177 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,829 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,602 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,673 |
| American Foods | 0 | - | 3.66 | 39,425 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,647 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,263 |
| United States Country Quiz | 0 | - | 4.43 | 102,025 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,413 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,964 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,028 |
| Canada Country Quiz | 0 | - | 4.55 | 132,907 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,505 |
| Canada A-Z | 0 | - | 4.73 | 32,932 |
| Canada Decoder | 0 | - | 4.07 | 18,756 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,728 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,156 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,509 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,864 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,645 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,699 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,958 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 43,475 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,827 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,445 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,588 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 19,226 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,756 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,659 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,272 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,348 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,059 |
| New England States | 0 | - | 4.51 | 59,876 |
| U.S. States by Land Area | 0 | - | 4.63 | 53,001 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,094 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,043 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,228 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,090 |
| U.S. States by Borders | 0 | - | 4.61 | 35,435 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 188,110 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,642 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,269 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,406 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,867 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,183 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,800 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,396 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,473 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,819 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,252 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,182 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,539 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,938 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,199 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 47,044 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,481 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,405 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,187 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,491 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,469 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,808 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,471 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,963 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,556 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 89,875 |
| South American Physical Geography | 0 | - | 4.58 | 18,388 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,845 |
| Top U.S. Universities | 0 | - | 4.15 | 145,641 |
| Largest United States Airlines | 0 | - | 4.39 | 55,128 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,778 |
| U.S. States by Governor | 0 | - | 4.43 | 18,109 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,745 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,755 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,892 |
| Events in U.S. History | 0 | - | 4.41 | 28,785 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,177 |
| Valid Answer - U.S. History | 0 | - | 4.24 | 22,587 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,585 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,301 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,237 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,947 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,421 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,442 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,242 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.44 | 70,024 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.74 | 64,165 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,557 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,821 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,504 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,254 |
| NHL Hockey Teams in Canada | 0 | - | 4.35 | 35,156 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,272 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,161 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,195 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,409 |
| Word Chain - Africa | 0 | - | 4.47 | 31,691 |
| Canada or Africa by Area | 0 | - | 4.78 | 18,513 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,177 |
| Which Island in the United States? | 0 | - | 4.29 | 29,715 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,142 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,320 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,994 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,683 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,254 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,806 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,437 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 56,163 |
| Old West History | 0 | - | 4.34 | 15,292 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,530 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,973 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,767 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 75,005 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,555 |
| Flyover States | 0 | - | 4.52 | 29,576 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,224 |
