| States of Mexico | 0 | - | 4.96 | 176,790 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,107 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,963 |
| Central American Countries | 0 | - | 4.98 | 156,778 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 112,964 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,068 |
| United States Map Quiz | 0 | - | 4.98 | 4,163,629 |
| South America Map Quiz | 0 | - | 5.00 | 1,551,809 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,868 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,689 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,721 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,121 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,191 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,409 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,616 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,758 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,619 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,412 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,030 |
| Belize Country Quiz | 0 | - | 4.85 | 21,012 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,245 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,814 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,097 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,174 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,243 |
| States of Brazil | 0 | - | 4.97 | 88,602 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,864 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,113 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,875 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,845 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,841 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,938 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,399 |
| Pixelated United States Map | 0 | - | 4.88 | 94,484 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,943 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,997 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,136 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,715 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,675 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,346 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,659 |
| U.S. States By Population | 0 | - | 4.92 | 153,745 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,712 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,600 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,706 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,503 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,335 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,798 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,291 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,952 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,419 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,668 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,451 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,723 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,449 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,602 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,824 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,942 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,609 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,501 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,736 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,769 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,151 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,668 |
| Flags of North and South America | 0 | - | 4.99 | 374,345 |
| Territories of the United States | 0 | - | 4.80 | 52,469 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,742 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,688 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,292 |
| New York City Geography | 0 | - | 4.42 | 33,127 |
| Events in U.S. History | 0 | - | 4.41 | 28,712 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,132 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,710 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,195 |
| The Only American Country ... | 0 | - | 4.92 | 121,821 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,277 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,590 |
| Old West History | 0 | - | 4.34 | 15,285 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,528 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,952 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,749 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,753 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 83,441 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,105 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,325 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,142 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,785 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,472 |
| Honduras Country Quiz | 0 | - | 4.52 | 23,923 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,622 |
| Antigua and Barbuda Country Quiz | 0 | - | 4.68 | 22,133 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,802 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,596 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,617 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,216 |
| United States Country Quiz | 0 | - | 4.43 | 101,718 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,962 |
| Canada Country Quiz | 0 | - | 4.54 | 132,668 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,354 |
| Canada A-Z | 0 | - | 4.73 | 32,889 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,585 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,061 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,090 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,387 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,576 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,951 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,715 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,078 |
| Grenada Country Quiz | 0 | - | 4.62 | 18,961 |
| Saint Kitts and Nevis Country Quiz | 0 | - | 4.57 | 18,794 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.61 | 22,206 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,521 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,736 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,214 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,838 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,035 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,251 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 59,957 |
| History of Pennsylvania | 0 | - | 4.16 | 7,147 |
| History of Virginia | 0 | - | 4.31 | 11,614 |
| New England States | 0 | - | 4.51 | 59,835 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,900 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,037 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,919 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,120 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 41,006 |
| U.S. States by Borders | 0 | - | 4.61 | 35,379 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 186,465 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,545 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,144 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,273 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,746 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,104 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,750 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,291 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,423 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,754 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,068 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,023 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,471 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,746 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,079 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,971 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,248 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,361 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,988 |
| Name the English Monarchs | 0 | - | 4.91 | 503,964 |
| Canada or Africa by Area | 0 | - | 4.78 | 18,417 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,471 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,443 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,670 |
| South American Physical Geography | 0 | - | 4.58 | 18,367 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,803 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,306 |
| Top U.S. Universities | 0 | - | 4.15 | 145,379 |
| Largest United States Airlines | 0 | - | 4.39 | 55,075 |
| U.S. States by Governor | 0 | - | 4.43 | 18,079 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,716 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,712 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,708,509 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,865 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,075 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,088 |
| U.S. History Multiple Choice #1 | 0 | - | 4.31 | 22,261 |
| Valid Answer - U.S. History | 0 | - | 4.24 | 22,556 |
| U.S. History Multiple Choice #4 | 0 | - | 4.24 | 25,617 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,537 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,247 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,180 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,910 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,199 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.42 | 59,551 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,526 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,793 |
| NHL Hockey Teams in Canada | 0 | - | 4.35 | 35,076 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,242 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,595 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,898 |
| Name that Greek Letter | 0 | - | 4.93 | 324,174 |
| Prime Ministers of the UK | 0 | - | 4.95 | 440,077 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,873 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,600 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,549 |
| Guyana Country Quiz | 0 | - | 4.50 | 22,841 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,922 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,669 |
| Venezuela Country Quiz | 0 | - | 4.51 | 30,649 |
| Paraguay Country Quiz | 0 | - | 4.54 | 25,335 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,297 |
| Suriname Country Quiz | 0 | - | 4.61 | 19,852 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,151 |
| Which Island in the United States? | 0 | - | 4.29 | 29,607 |
| American Inventions #1 | 0 | - | 3.63 | 31,513 |
| American Inventions #2 | 0 | - | 3.93 | 15,873 |
| American Foods | 0 | - | 3.66 | 39,401 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,297 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,133 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,290 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,960 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,614 |
