| Cities and Towns of Massachusetts | 0 | - | 4.90 | 68,366 |
| United States Map Quiz | 0 | - | 4.98 | 4,050,992 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.83 | 61,824 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.89 | 25,230 |
| U.S. State Border Crossings | 0 | - | 4.96 | 86,560 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 231,569 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.87 | 70,798 |
| U.S. National Parks Quiz | 0 | - | 4.81 | 50,826 |
| Total United States Immigration by Country | 0 | - | 4.89 | 104,330 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.95 | 166,259 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 201,742 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 70,542 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 355,582 |
| Pixelated United States Map | 0 | - | 4.89 | 88,573 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 101,725 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 85,483 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 110,027 |
| U.S. States with the Letter Y | 0 | - | 4.84 | 104,623 |
| 10 Southernmost U.S. States | 0 | - | 4.87 | 106,807 |
| U.S. States with Short Names | 0 | - | 4.89 | 140,384 |
| U.S. States that Start with M | 0 | - | 4.93 | 178,085 |
| U.S. States By Population | 0 | - | 4.90 | 136,959 |
| U.S. States that Start with N | 0 | - | 4.94 | 164,157 |
| U.S. States with Longest Names | 0 | - | 4.87 | 40,542 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 78,984 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 83,499 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 61,403 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 60,936 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.94 | 153,649 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 173,550 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 120,165 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.83 | 66,908 |
| Top 10 Newest U.S. States | 0 | - | 4.84 | 83,031 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.83 | 63,202 |
| Countries of North America Quiz | 0 | - | 5.00 | 952,377 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 609,728 |
| Countries that Beat the United States | 0 | - | 4.93 | 157,614 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 96,270 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 78,373 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 94,699 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 882,409 |
| North American Capitals - Map Quiz | 0 | - | 4.89 | 52,372 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 55,258 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 57,959 |
| Canada Provinces and Territories | 0 | - | 4.99 | 311,339 |
| States of Mexico | 0 | - | 4.93 | 157,567 |
| Mexico States Map Quiz | 0 | - | 4.81 | 97,778 |
| Central American Countries | 0 | - | 4.98 | 148,016 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 109,030 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 123,617 |
| Territories of the United States | 0 | - | 4.78 | 50,703 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.77 | 37,418 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 168,710 |
| Major non-NATO U.S. Allies | 0 | - | 4.50 | 49,150 |
| Florida Pro Sport Teams | 0 | - | 4.68 | 11,120 |
| Washington State by Picture | 0 | - | 4.24 | 7,425 |
| Georgia ... or Georgia? | 0 | - | 4.69 | 74,578 |
| U.S. State Nicknames Quiz | 0 | - | 4.49 | 48,433 |
| Countries with American Expatriates | 0 | - | 4.55 | 41,819 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 39,385 |
| United States Country Quiz | 0 | - | 4.45 | 95,789 |
| Busiest Air Routes from the U.S. | 0 | - | 4.47 | 75,125 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.74 | 57,919 |
| New York City Geography | 0 | - | 4.38 | 23,877 |
| Countries Closest to Canada | 0 | - | 4.90 | 191,821 |
| U.S. Federal Holidays | 0 | - | 4.30 | 97,816 |
| Branches of the U.S. Military | 0 | - | 4.41 | 22,929 |
| Washington... or Washington D.C.? | 0 | - | 4.33 | 25,944 |
| New England States | 0 | - | 4.51 | 58,975 |
| US States by Land Area | 0 | - | 4.63 | 50,744 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,281 |
| Add a Letter - Make a U.S. State | 0 | - | 4.71 | 79,901 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.71 | 53,699 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.77 | 39,220 |
| U.S. States by Borders | 0 | - | 4.61 | 33,884 |
| Save Americans by Guessing U.S. States | 0 | - | 4.53 | 168,958 |
| 10 Easternmost U.S. States | 0 | - | 4.55 | 54,840 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 85,313 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 42,522 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 97,229 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 73,282 |
| Top 10 Most Asian U.S. States | 0 | - | 4.79 | 73,192 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 80,225 |
| Top 10 Least Obese U.S. States | 0 | - | 4.77 | 71,895 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.47 | 81,166 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.44 | 50,753 |
| Top 10 Most White U.S. States | 0 | - | 4.50 | 78,083 |
| Top 10 Most German U.S. States | 0 | - | 4.49 | 57,285 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 39,089 |
| Countries that Beat Canada | 0 | - | 4.90 | 83,515 |
| Red State or Blue State Trait? | 0 | - | 4.45 | 52,382 |
| California Multiple Choice | 0 | - | 4.40 | 27,580 |
| California Pro Sport Teams | 0 | - | 4.23 | 22,428 |
| San Francisco Trivia | 0 | - | 4.40 | 15,456 |
| San Francisco A-Z | 0 | - | 4.22 | 9,309 |
| Florida Multiple Choice | 0 | - | 4.33 | 9,975 |
| Chicago City Trivia | 0 | - | 4.29 | 30,956 |
| Boston Trivia | 0 | - | 4.38 | 23,810 |
| Boston Talk to English Translation Quiz | 0 | - | 4.47 | 14,805 |
| Texas Pro Sport Teams | 0 | - | 4.14 | 16,505 |
| History of Pennsylvania | 0 | - | 4.11 | 6,858 |
| History of Virginia | 0 | - | 4.34 | 11,321 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.74 | 55,360 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 54,157 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.64 | 43,962 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,076 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 35,171 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.61 | 48,187 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 37,707 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,098 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 334,496 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 119,238 |
| South America Map Quiz | 0 | - | 5.00 | 1,490,770 |
| Belize Country Quiz | 0 | - | 4.87 | 19,939 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 18,208 |
| Top U.S. Universities | 0 | - | 4.14 | 137,009 |
| Largest United States Airlines | 0 | - | 4.38 | 53,515 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 111,126 |
| U.S. States by Governor Quiz | 0 | - | 4.42 | 17,515 |
| U.S. Political Parties in History | 0 | - | 4.44 | 26,983 |
| U.S. Government Agencies | 0 | - | 4.44 | 18,754 |
| North Carolina... or South Carolina? | 0 | - | 4.18 | 10,189 |
| Embarrassing Chapters in US History | 0 | - | 4.19 | 32,394 |
| Canada Immigration by Country | 0 | - | 4.51 | 60,037 |
| The Only American Country ... | 0 | - | 4.93 | 115,688 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 106,273 |
| Dominica Country Quiz | 0 | - | 4.82 | 18,895 |
| North America Capitals Quiz | 0 | - | 4.99 | 202,494 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.09 | 26,565 |
| Which Island in the United States? | 0 | - | 4.19 | 19,038 |
| American Foods | 0 | - | 3.69 | 38,739 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 5,925 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,067 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 33,291 |
| Cities by Picture #2 | 0 | - | 4.18 | 33,916 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.25 | 14,212 |
| U.S. Groups of Four Quiz | 0 | - | 4.38 | 24,438 |
| U.S. Groups of Three Quiz | 0 | - | 4.06 | 20,307 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.37 | 14,224 |
| Countries Closest to the U. S. | 0 | - | 4.40 | 202,789 |
| American Geography Quiz for Dummies | 0 | - | 4.36 | 55,557 |
| 75 Americans Named John | 0 | - | 4.39 | 23,382 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 41,271 |
| University of California Campuses | 0 | - | 3.90 | 8,544 |
| Old West History | 0 | - | 4.30 | 15,027 |
| Life of Benjamin Franklin | 0 | - | 4.22 | 6,384 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,466 |
| U.S. History Multiple Choice #3 | 0 | - | 4.42 | 24,122 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 73,090 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.50 | 21,102 |
| Flyover States | 0 | - | 4.52 | 28,805 |
| U.S. States With Double Letters | 0 | - | 4.65 | 22,663 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.26 | 74,026 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 124,708 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.46 | 28,809 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.65 | 31,563 |
| U.S. States with Oldest Median Age | 0 | - | 4.32 | 40,965 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.30 | 42,983 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.40 | 71,286 |
| US States with the Most Executions | 0 | - | 4.51 | 26,076 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 28,110 |
| Top 10 Least White U.S. States | 0 | - | 4.19 | 45,193 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 23,228 |
| US States Quiz | 0 | - | 5.00 | 15,836,492 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,239 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 19,740 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,032 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.49 | 44,985 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.40 | 51,901 |
| Canada Country Quiz | 0 | - | 4.53 | 127,239 |
| Canada Cities Map Quiz | 0 | - | 4.53 | 113,051 |
| Canada A-Z | 0 | - | 4.71 | 31,725 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 87,060 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 89,344 |
| History of Mexico | 0 | - | 4.58 | 14,738 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 100,114 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.90 | 46,823 |
| Brazil States Map Quiz | 0 | - | 4.84 | 44,096 |
| States of Brazil | 0 | - | 4.97 | 78,127 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.06 | 18,897 |
| U.S. States by Picture #1 | 0 | - | 4.17 | 14,912 |
| Most-Visited U.S. Cities | 0 | - | 4.88 | 83,468 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 70,274 |
| Senators Who Ran For President | 0 | - | 4.28 | 16,703 |
| U.S. Electoral College Landslides | 0 | - | 4.33 | 21,569 |
| Geography of California | 0 | - | 4.23 | 10,144 |
| New York Pro Sport Teams | 0 | - | 4.31 | 25,311 |
| Events in U.S. History | 0 | - | 4.39 | 27,401 |
| African-American Historical Figures | 0 | - | 4.18 | 16,762 |
| Capitals of Canadian Provinces | 0 | - | 4.87 | 83,691 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 38,608 |
| Canadian Geography on the Map | 0 | - | 4.58 | 25,269 |
| Canada or Africa by Area | 0 | - | 4.74 | 16,390 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 86,509 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.89 | 73,389 |
| Jamaica Country Quiz | 0 | - | 4.57 | 33,711 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,440,694 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 183,240 |
| The Life of Thomas Edison | 0 | - | 4.03 | 4,777 |
| U.S. History Multiple Choice #2 | 0 | - | 4.31 | 24,588 |
