| States of Mexico | 0 | - | 4.96 | 178,007 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,540 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 904,701 |
| Central American Countries | 0 | - | 4.98 | 157,240 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,517 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 150,173 |
| United States Map Quiz | 0 | - | 4.98 | 4,169,984 |
| Flags of North and South America | 0 | - | 4.99 | 376,482 |
| South America Map Quiz | 0 | - | 5.00 | 1,555,725 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,030,346 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,758 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,192 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,556 |
| History of Mexico | 0 | - | 4.52 | 15,360 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,743 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,904 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,836 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,734 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,888 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,919 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,228 |
| Belize Country Quiz | 0 | - | 4.85 | 21,073 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,482 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,422 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,705 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,534 |
| States of Brazil | 0 | - | 4.97 | 89,541 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,418 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,297 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,435 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,183 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,073 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,671 |
| Pixelated United States Map | 0 | - | 4.88 | 94,753 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,437 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,371 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,965 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,183 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,204 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,252 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,260 |
| U.S. States By Population | 0 | - | 4.92 | 154,080 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,145 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,841 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,016 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,806 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,509 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,047 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,613 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,157 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,626 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,796 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,613 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,950 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,586 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,025 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,536 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,392 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,985 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,930 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,018 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,872 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,232 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,789 |
| Territories of the United States | 0 | - | 4.80 | 52,601 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,852 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 176,037 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,493 |
| New York City Geography | 0 | - | 4.43 | 33,180 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,845 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,256,218 |
| Flags of Asia Quiz | 0 | - | 4.99 | 619,392 |
| Flags of Africa Quiz | 0 | - | 5.00 | 476,774 |
| Flags of Oceania | 0 | - | 5.00 | 262,332 |
| The Only American Country ... | 0 | - | 4.92 | 122,155 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,596 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,896 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,441 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,396 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,708 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,390 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,792 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,560 |
| Honduras Country Quiz | 0 | - | 4.52 | 24,015 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,696 |
| Antigua and Barbuda Country Quiz | 0 | - | 4.68 | 22,193 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,839 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,712 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,665 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,270 |
| United States Country Quiz | 0 | - | 4.43 | 102,129 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,044 |
| Canada Country Quiz | 0 | - | 4.55 | 132,993 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,565 |
| Canada A-Z | 0 | - | 4.73 | 32,952 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,179 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,779 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,396 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,764 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,961 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,771 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,135 |
| Grenada Country Quiz | 0 | - | 4.62 | 19,003 |
| Saint Kitts and Nevis Country Quiz | 0 | - | 4.57 | 18,839 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.61 | 22,272 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,614 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,766 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,815 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,399 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,569 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,393 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,091 |
| Washington State by Picture | 0 | - | 4.26 | 7,753 |
| New England States | 0 | - | 4.51 | 59,890 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,033 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,109 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,099 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,261 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,123 |
| U.S. States by Borders | 0 | - | 4.62 | 35,458 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,669 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,311 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,429 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,899 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,207 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,816 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,441 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,497 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,843 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,320 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,235 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,561 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 83,004 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,240 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 47,071 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,598 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,423 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,250 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,586 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 94,416 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,790 |
| South American Physical Geography | 0 | - | 4.58 | 18,397 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,963 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,310 |
| Top U.S. Universities | 0 | - | 4.15 | 145,736 |
| Largest United States Airlines | 0 | - | 4.39 | 55,139 |
| U.S. States by Governor | 0 | - | 4.43 | 18,110 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,760 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,766 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,903 |
| Events in U.S. History | 0 | - | 4.41 | 28,805 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,188 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,609 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,322 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,253 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,971 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,255 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,565 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,832 |
| NHL Hockey Teams in Canada | 0 | - | 4.35 | 35,181 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,278 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,214 |
| Canada or Africa by Area | 0 | - | 4.78 | 18,546 |
| Guyana Country Quiz | 0 | - | 4.50 | 22,915 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,202 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,854 |
| Venezuela Country Quiz | 0 | - | 4.51 | 30,725 |
| Paraguay Country Quiz | 0 | - | 4.54 | 25,399 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,387 |
| Suriname Country Quiz | 0 | - | 4.61 | 19,928 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,183 |
| Which Island in the United States? | 0 | - | 4.29 | 29,750 |
| American Foods | 0 | - | 3.66 | 39,431 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,902 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,150 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,325 |
| American Legal Vocabulary | 0 | - | 4.40 | 34,008 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,709 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,282 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,812 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,431 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,973 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,460 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 56,219 |
| Old West History | 0 | - | 4.34 | 15,296 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,533 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,980 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,773 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 75,043 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,561 |
| Flyover States | 0 | - | 4.53 | 29,586 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,245 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,378 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,939 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,133 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,783 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,701 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,519 |
| US States with the Most Executions | 0 | - | 4.51 | 26,423 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,153 |
