| States of Mexico | 0 | - | 4.96 | 178,940 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,846 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,626 |
| Central American Countries | 0 | - | 4.98 | 157,626 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,718 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 151,239 |
| United States Map Quiz | 0 | - | 4.98 | 4,174,313 |
| South America Map Quiz | 0 | - | 5.00 | 1,558,999 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,990 |
| Canada Provinces and Territories | 0 | - | 5.00 | 347,378 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,643 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,929 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 59,026 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,399 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,991 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 241,037 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,110 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,321 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,353 |
| Belize Country Quiz | 0 | - | 4.85 | 21,129 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,327 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,974 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 105,667 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 55,104 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,780 |
| States of Brazil | 0 | - | 4.98 | 90,140 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,970 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,632 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,617 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 176,009 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,232 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,196 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,854 |
| Pixelated United States Map | 0 | - | 4.89 | 95,039 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,812 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,660 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,250 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,491 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,504 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,586 |
| U.S. States that Start with M | 0 | - | 4.94 | 188,646 |
| U.S. States By Population | 0 | - | 4.92 | 154,308 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,432 |
| U.S. States with Longest Names | 0 | - | 4.85 | 45,018 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,199 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 89,020 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,619 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,252 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,216 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,343 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,798 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,891 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,743 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 68,090 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,680 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,722 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,998 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,618 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,137 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,167 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,232 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,958 |
| Jamaica Country Quiz | 0 | - | 4.59 | 35,274 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,857 |
| Flags of North and South America | 0 | - | 4.99 | 378,491 |
| Territories of the United States | 0 | - | 4.80 | 52,688 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,944 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 176,305 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,616 |
| New York City Geography | 0 | - | 4.43 | 33,209 |
| Events in U.S. History | 0 | - | 4.41 | 28,869 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,227 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,959 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,532 |
| The Only American Country ... | 0 | - | 4.92 | 122,402 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,817 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,834 |
| Old West History | 0 | - | 4.34 | 15,311 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,540 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 20,000 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,813 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,645 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 86,251 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 66,093 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 72,081 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,787 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,803 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,625 |
| Honduras Country Quiz | 0 | - | 4.52 | 24,066 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,753 |
| Antigua and Barbuda Country Quiz | 0 | - | 4.68 | 22,240 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,880 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,817 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,702 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,301 |
| United States Country Quiz | 0 | - | 4.43 | 102,390 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,117 |
| Canada Country Quiz | 0 | - | 4.55 | 133,227 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,725 |
| Canada A-Z | 0 | - | 4.73 | 33,003 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.74 | 58,841 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,271 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,999 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,926 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,972 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,812 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,183 |
| Grenada Country Quiz | 0 | - | 4.62 | 19,043 |
| Saint Kitts and Nevis Country Quiz | 0 | - | 4.57 | 18,876 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.57 | 22,314 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,659 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,784 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,385 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,810 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,544 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,503 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,179 |
| History of Pennsylvania | 0 | - | 4.16 | 7,178 |
| History of Virginia | 0 | - | 4.33 | 11,651 |
| New England States | 0 | - | 4.51 | 59,916 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,126 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,142 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,256 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,353 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,201 |
| U.S. States by Borders | 0 | - | 4.61 | 35,522 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 189,422 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,732 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,418 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,493 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,999 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,281 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,859 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,548 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,546 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,916 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,487 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,363 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,624 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 83,190 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,353 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,874 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,458 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,125 |
| Name the English Monarchs | 0 | - | 4.91 | 507,652 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,757 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,679 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.92 | 95,787 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,901 |
| South American Physical Geography | 0 | - | 4.58 | 18,416 |
| Colombia Country Quiz | 0 | - | 4.90 | 41,081 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,314 |
| Top U.S. Universities | 0 | - | 4.15 | 146,055 |
| Largest United States Airlines | 0 | - | 4.39 | 55,191 |
| U.S. States by Governor | 0 | - | 4.43 | 18,130 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,790 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,816 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,733,092 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,921 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 192,090 |
| U.S. History Multiple Choice #2 | 0 | - | 4.33 | 25,145 |
| U.S. History Multiple Choice #1 | 0 | - | 4.29 | 22,311 |
| Valid Answer - U.S. History | 0 | - | 4.24 | 22,626 |
| U.S. History Multiple Choice #4 | 0 | - | 4.24 | 25,687 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,701 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.70 | 61,611 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.62 | 45,303 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 68,002 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,305 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.44 | 70,781 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,588 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,856 |
| NHL Hockey Teams in Canada | 0 | - | 4.35 | 35,260 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,317 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,258 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 653,354 |
| Name that Greek Letter | 0 | - | 4.93 | 325,405 |
| Prime Ministers of the UK | 0 | - | 4.95 | 443,412 |
| Canada or Africa by Area | 0 | - | 4.78 | 18,642 |
| Guyana Country Quiz | 0 | - | 4.50 | 22,975 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,386 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 50,001 |
| Venezuela Country Quiz | 0 | - | 4.51 | 30,793 |
| Paraguay Country Quiz | 0 | - | 4.54 | 25,441 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,442 |
| Suriname Country Quiz | 0 | - | 4.61 | 19,965 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,216 |
| Which Island in the United States? | 0 | - | 4.29 | 29,851 |
| American Inventions #1 | 0 | - | 3.62 | 31,541 |
| American Inventions #2 | 0 | - | 3.93 | 15,907 |
| American Foods | 0 | - | 3.66 | 39,461 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,279 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,162 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,354 |
| American Legal Vocabulary | 0 | - | 4.40 | 34,056 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,772 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,342 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,842 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,472 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,999 |
