| States of Mexico | 0 | - | 4.95 | 175,124 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,316 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,156 |
| Central American Countries | 0 | - | 4.98 | 155,700 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 147,255 |
| United States Map Quiz | 0 | - | 4.98 | 4,150,295 |
| South America Map Quiz | 0 | - | 5.00 | 1,545,853 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,018,689 |
| Canada Provinces and Territories | 0 | - | 5.00 | 340,458 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 638,406 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,063 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,546 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,641 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,282 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,985 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,251 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,571 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,746 |
| Belize Country Quiz | 0 | - | 4.85 | 20,904 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,149 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,330 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,662 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,485 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,745 |
| States of Brazil | 0 | - | 4.97 | 87,325 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,770 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,659 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,175 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,962 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,695 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,735 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 65,979 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,611 |
| Pixelated United States Map | 0 | - | 4.89 | 93,930 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,151 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,380 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,494 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,023 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,043 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,529 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,757 |
| U.S. States By Population | 0 | - | 4.92 | 152,885 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,029 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,236 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,282 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,038 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,040 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,366 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,661 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,445 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,950 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,372 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,040 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,282 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,220 |
| Countries Closest to Canada | 0 | - | 4.91 | 197,866 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,327 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,498 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,261 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,192 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,244 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,990 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,501 |
| Flags of North and South America | 0 | - | 4.99 | 370,998 |
| Territories of the United States | 0 | - | 4.79 | 52,291 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,528 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,108 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,006 |
| New York City Geography | 0 | - | 4.42 | 33,037 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,065 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,452 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 31,812 |
| The Only American Country ... | 0 | - | 4.92 | 121,273 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,816 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,627 |
| Old West History | 0 | - | 4.33 | 15,249 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,512 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,901 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,695 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,677 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 75,970 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,099 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,584 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,472 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,762 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,628 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,355 |
| Honduras Country Quiz | 0 | - | 4.52 | 23,804 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,485 |
| Antigua and Barbuda Country Quiz | 0 | - | 4.66 | 22,029 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,721 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,422 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,535 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,147 |
| United States Country Quiz | 0 | - | 4.43 | 101,176 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,787 |
| Canada Country Quiz | 0 | - | 4.54 | 132,197 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,969 |
| Canada A-Z | 0 | - | 4.73 | 32,742 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,341 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,836 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,454 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,567 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,224 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,927 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,653 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,998 |
| Grenada Country Quiz | 0 | - | 4.62 | 18,873 |
| Saint Kitts and Nevis Country Quiz | 0 | - | 4.57 | 18,702 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.61 | 22,093 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,390 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,683 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,223 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,618 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,362 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,974 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,782 |
| History of Pennsylvania | 0 | - | 4.16 | 7,118 |
| History of Virginia | 0 | - | 4.31 | 11,577 |
| Events in U.S. History | 0 | - | 4.40 | 28,591 |
| New England States | 0 | - | 4.51 | 59,766 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,694 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,964 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,616 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,879 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,825 |
| U.S. States by Borders | 0 | - | 4.61 | 35,230 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 184,468 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,389 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,886 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,109 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,514 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 32,933 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,538 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,069 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,310 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,588 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,674 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,649 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,314 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,279 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,838 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,622 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,801 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,269 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,021 |
| Name the English Monarchs | 0 | - | 4.91 | 500,701 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,235 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,268 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 82,588 |
| South American Physical Geography | 0 | - | 4.58 | 18,318 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,572 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,290 |
| Top U.S. Universities | 0 | - | 4.15 | 144,648 |
| Largest United States Airlines | 0 | - | 4.39 | 54,949 |
| U.S. States by Governor | 0 | - | 4.43 | 18,026 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,636 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,623 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,680,640 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,806 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,251 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,035 |
| U.S. History Multiple Choice #1 | 0 | - | 4.31 | 22,212 |
| Valid Answer - U.S. History | 0 | - | 4.24 | 22,502 |
| U.S. History Multiple Choice #4 | 0 | - | 4.26 | 25,548 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,405 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,129 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 45,062 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,840 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,101 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.42 | 59,277 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,447 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,717 |
| NHL Hockey Teams in Canada | 0 | - | 4.35 | 34,773 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,167 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,169 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,280 |
| Name that Greek Letter | 0 | - | 4.93 | 322,812 |
| Prime Ministers of the UK | 0 | - | 4.95 | 437,116 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,625 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,611 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,266 |
| Guyana Country Quiz | 0 | - | 4.50 | 22,728 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,361 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,455 |
| Venezuela Country Quiz | 0 | - | 4.50 | 30,530 |
| Paraguay Country Quiz | 0 | - | 4.53 | 25,214 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,187 |
| Suriname Country Quiz | 0 | - | 4.61 | 19,767 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,089 |
| Which Island in the United States? | 0 | - | 4.29 | 29,366 |
| American Inventions #1 | 0 | - | 3.63 | 31,490 |
| American Inventions #2 | 0 | - | 3.93 | 15,852 |
| American Foods | 0 | - | 3.66 | 39,340 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,590 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,123 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,202 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,858 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,467 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,043 |
