| Countries Larger Than Texas but With Fewer People | 0 | - | 4.84 | 21,477 |
| United States Map Quiz | 0 | - | 4.98 | 3,897,804 |
| U.S. State Border Crossings | 0 | - | 4.96 | 82,011 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 221,888 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.83 | 33,089 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.87 | 65,113 |
| Cities and Towns of Massachusetts | 0 | - | 4.89 | 60,160 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 54,560 |
| Total United States Immigration by Country | 0 | - | 4.89 | 96,491 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 146,538 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.95 | 184,216 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 67,524 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 339,701 |
| Pixelated United States Map | 0 | - | 4.90 | 81,998 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 92,966 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 78,396 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 100,362 |
| U.S. States with the Letter Y | 0 | - | 4.87 | 95,932 |
| 10 Southernmost U.S. States | 0 | - | 4.84 | 98,995 |
| U.S. States with Short Names | 0 | - | 4.87 | 129,417 |
| U.S. States that Start with M | 0 | - | 4.91 | 150,171 |
| U.S. States By Population | 0 | - | 4.90 | 129,817 |
| U.S. States that Start with N | 0 | - | 4.95 | 155,249 |
| U.S. States with Longest Names | 0 | - | 4.84 | 35,937 |
| 10 Northernmost U.S. States | 0 | - | 4.89 | 73,509 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 77,624 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 58,234 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 55,897 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 145,172 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 167,757 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 98,953 |
| Top 10 Newest U.S. States | 0 | - | 4.81 | 68,009 |
| Countries of North America Quiz | 0 | - | 5.00 | 877,186 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 582,543 |
| The United States... or the United Kingdom? | 0 | - | 4.89 | 90,088 |
| Countries that Beat the United States | 0 | - | 4.92 | 145,322 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.77 | 56,880 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.89 | 89,255 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 73,078 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 850,327 |
| North American Capitals - Map Quiz | 0 | - | 4.91 | 46,919 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.98 | 47,178 |
| Canada Provinces and Territories | 0 | - | 4.99 | 289,032 |
| States of Mexico | 0 | - | 4.95 | 140,655 |
| Mexico States Map Quiz | 0 | - | 4.84 | 90,350 |
| Central American Countries | 0 | - | 4.98 | 138,876 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 104,234 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 116,396 |
| Territories of the United States | 0 | - | 4.76 | 48,451 |
| Most Mentioned Enemies of the USA | 0 | - | 4.79 | 159,625 |
| Major non-NATO U.S. Allies | 0 | - | 4.43 | 33,371 |
| Florida Pro Sport Teams | 0 | - | 4.66 | 10,247 |
| Texas Pro Sport Teams | 0 | - | 4.11 | 16,190 |
| Georgia ... or Georgia? | 0 | - | 4.79 | 71,812 |
| U.S. State Nicknames Quiz | 0 | - | 4.49 | 46,052 |
| U.S. National Parks Quiz | 0 | - | 4.79 | 46,637 |
| Countries with American Expatriates | 0 | - | 4.58 | 40,888 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,286 |
| United States Country Quiz | 0 | - | 4.45 | 88,875 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 72,371 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.40 | 55,594 |
| New York City Geography | 0 | - | 4.40 | 23,385 |
| Countries Closest to Canada | 0 | - | 4.90 | 184,201 |
| U.S. Federal Holidays | 0 | - | 4.29 | 95,609 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.46 | 13,740 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 198,484 |
| New England States | 0 | - | 4.54 | 52,421 |
| US States by Land Area | 0 | - | 4.59 | 48,413 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.52 | 36,134 |
| Add a Letter - Make a U.S. State | 0 | - | 4.74 | 76,389 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 50,970 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.79 | 37,217 |
| Save Americans by Guessing U.S. States | 0 | - | 4.57 | 149,551 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 52,932 |
| The Only U.S. State ... #1 | 0 | - | 4.55 | 82,486 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.47 | 40,458 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.47 | 93,520 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.79 | 56,287 |
| Top 10 Most African-American U.S. States | 0 | - | 4.47 | 61,399 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 61,570 |
| Top 10 Most Obese U.S. States | 0 | - | 4.50 | 64,822 |
| Top 10 Least Obese U.S. States | 0 | - | 4.80 | 67,980 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.51 | 64,433 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.44 | 48,154 |
| Top 10 Most White U.S. States | 0 | - | 4.52 | 55,526 |
| Top 10 Most German U.S. States | 0 | - | 4.50 | 42,250 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.44 | 37,386 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.65 | 42,051 |
| Countries that Beat Canada | 0 | - | 4.91 | 78,019 |
| Countries Closest to Alaska | 0 | - | 4.93 | 98,844 |
| California Multiple Choice | 0 | - | 4.40 | 26,840 |
| Geography of California | 0 | - | 4.23 | 9,660 |
| California Pro Sport Teams | 0 | - | 4.23 | 22,067 |
| San Francisco Trivia | 0 | - | 4.34 | 15,191 |
| San Francisco A-Z | 0 | - | 4.19 | 9,038 |
| Florida Multiple Choice | 0 | - | 4.30 | 9,706 |
| Hawaiian Islands Map Quiz | 0 | - | 4.88 | 20,965 |
| Countries Closest to Maine | 0 | - | 4.85 | 58,821 |
| Boston Talk to English Translation Quiz | 0 | - | 4.45 | 14,127 |
| New York Pro Sport Teams | 0 | - | 4.29 | 14,972 |
| History of Pennsylvania | 0 | - | 4.09 | 6,429 |
| History of Virginia | 0 | - | 4.33 | 10,933 |
| Washington State by Picture | 0 | - | 4.16 | 7,129 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.75 | 53,973 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 52,871 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.76 | 42,344 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 58,261 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 33,904 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 31,741 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 106,299 |
| South America Map Quiz | 0 | - | 5.00 | 1,418,041 |
| Belize Country Quiz | 0 | - | 4.88 | 18,703 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 17,033 |
| Top U.S. Universities | 0 | - | 4.12 | 112,842 |
| Largest United States Airlines | 0 | - | 4.38 | 51,986 |
| Third Most Common Language by U.S. State | 0 | - | 4.91 | 106,864 |
| U.S. States by Governor Quiz | 0 | - | 4.42 | 16,934 |
| U.S. Political Parties in History | 0 | - | 4.42 | 26,136 |
| U.S. Government Agencies | 0 | - | 4.41 | 17,625 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 57,795 |
| Canada Immigration by Country | 0 | - | 4.52 | 57,115 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 309,045 |
| The Only American Country ... | 0 | - | 4.94 | 109,518 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,669 |
| Dominica Country Quiz | 0 | - | 4.83 | 17,732 |
| North America Capitals Quiz | 0 | - | 4.99 | 185,597 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.11 | 26,025 |
| American Islands | 0 | - | 4.16 | 15,747 |
| American Foods | 0 | - | 3.71 | 38,156 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.23 | 5,692 |
| American Legal Vocabulary | 0 | - | 4.40 | 32,108 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 31,664 |
| Cities by Picture #2 | 0 | - | 4.22 | 32,317 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.19 | 13,633 |
| U.S. Groups of Four Quiz | 0 | - | 4.37 | 23,273 |
| U.S. Groups of Three Quiz | 0 | - | 4.03 | 19,478 |
| American Geography Quiz for Dummies | 0 | - | 4.33 | 52,907 |
| The U.S. Government - How Does it Work? | 0 | - | 4.33 | 39,818 |
| University of California Campuses | 0 | - | 3.85 | 8,075 |
| Old West History | 0 | - | 4.28 | 14,780 |
| Life of Benjamin Franklin | 0 | - | 4.18 | 6,220 |
| American Revolution - Multiple Choice | 0 | - | 4.32 | 18,786 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.34 | 70,672 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.49 | 20,475 |
| Flyover States | 0 | - | 4.51 | 27,960 |
| U.S. States With Double Letters | 0 | - | 4.66 | 4,249 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.29 | 57,684 |
| U.S. States by Borders | 0 | - | 4.58 | 26,257 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.38 | 120,832 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.46 | 27,675 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 29,813 |
| U.S. States with Oldest Median Age | 0 | - | 4.34 | 31,692 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.30 | 40,797 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.34 | 62,854 |
| US States with the Most Executions | 0 | - | 4.51 | 25,667 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.60 | 26,968 |
| Top 10 Least White U.S. States | 0 | - | 4.18 | 36,448 |
| Top 10 Least Happy U.S. States | 0 | - | 4.55 | 22,244 |
| US States Quiz | 0 | - | 5.00 | 14,703,634 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 27,458 |
| Which U.S. State - Multiple Choice | 0 | - | 4.45 | 18,948 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.35 | 40,157 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.49 | 35,003 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.40 | 49,803 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.60 | 31,055 |
| Canada Country Quiz | 0 | - | 4.54 | 121,190 |
| Canada Cities Map Quiz | 0 | - | 4.65 | 109,285 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 81,212 |
| American Countries With No Atlantic Coastline | 0 | - | 4.90 | 73,029 |
| History of Mexico | 0 | - | 4.55 | 13,868 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 93,942 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.90 | 39,691 |
| Brazil States Map Quiz | 0 | - | 4.83 | 39,419 |
| States of Brazil | 0 | - | 4.96 | 68,322 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 18,386 |
| U.S. States by Picture #1 | 0 | - | 4.15 | 14,335 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 72,252 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 62,556 |
| Senators Who Ran For President | 0 | - | 4.28 | 16,293 |
| U.S. Electoral College Landslides | 0 | - | 4.33 | 20,991 |
| Chicago City Trivia | 0 | - | 4.26 | 30,389 |
| Boston Trivia | 0 | - | 4.37 | 23,421 |
| 10 Closest Megacities to New York City | 0 | - | 4.54 | 54,478 |
| Events in U.S. History | 0 | - | 4.39 | 26,072 |
| Embarrassing Chapters in US History | 0 | - | 4.15 | 31,434 |
| African-American Historical Figures | 0 | - | 4.14 | 16,385 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 73,498 |
| Most-Visited Countries by Canadians | 0 | - | 4.79 | 37,880 |
| Canadian Geography on the Map | 0 | - | 4.56 | 24,114 |
| Canada or Africa by Area | 0 | - | 4.79 | 13,471 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 83,283 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.87 | 68,086 |
| Jamaica Country Quiz | 0 | - | 4.59 | 32,051 |
| Famous People from Texas by Picture | 0 | - | 4.04 | 31,551 |
| North Carolina... or South Carolina? | 0 | - | 4.22 | 9,693 |
| Deadliest U.S. Wars | 0 | - | 4.82 | 157,840 |
| The Life of Thomas Edison | 0 | - | 4.03 | 4,645 |
| U.S. History Multiple Choice #2 | 0 | - | 4.36 | 23,934 |
| U.S. History Multiple Choice #1 | 0 | - | 4.28 | 21,182 |
| U.S. History Multiple Choice #3 | 0 | - | 4.39 | 23,373 |
