| US States Quiz | 0 | - | 5.00 | 14,706,864 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 54,574 |
| Total United States Immigration by Country | 0 | - | 4.89 | 96,513 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 146,570 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.95 | 184,258 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 67,525 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 339,739 |
| Pixelated United States Map | 0 | - | 4.90 | 82,016 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 92,987 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 78,417 |
| Deadliest U.S. Wars | 0 | - | 4.82 | 157,861 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 100,398 |
| U.S. States with the Letter Y | 0 | - | 4.87 | 95,963 |
| 10 Southernmost U.S. States | 0 | - | 4.84 | 99,017 |
| U.S. States with Short Names | 0 | - | 4.87 | 129,436 |
| U.S. States that Start with M | 0 | - | 4.91 | 150,197 |
| U.S. States By Population | 0 | - | 4.90 | 129,841 |
| U.S. States that Start with N | 0 | - | 4.95 | 155,279 |
| U.S. States with Longest Names | 0 | - | 4.84 | 35,953 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 58,243 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 55,910 |
| US States with an Empty Map | 0 | - | 5.00 | 552,987 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 34,962 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.95 | 273,233 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 124,245 |
| Countries that Beat the United States | 0 | - | 4.92 | 145,361 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.77 | 56,891 |
| Louisiana Purchase with a Map | 0 | - | 4.95 | 36,012 |
| U.S. States with the Longest International Borders | 0 | - | 4.81 | 40,534 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.89 | 89,274 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 73,087 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 71,027 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 115,911 |
| Hawaiian Islands Map Quiz | 0 | - | 4.88 | 20,977 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 184,349 |
| Top 10 Coldest U.S. States | 0 | - | 4.91 | 99,777 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 100,521 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 71,120 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 57,047 |
| Cities and Towns of Massachusetts | 0 | - | 4.89 | 60,184 |
| Georgia ... or Georgia? | 0 | - | 4.79 | 71,819 |
| States of Mexico | 0 | - | 4.95 | 140,720 |
| Mexico States Map Quiz | 0 | - | 4.84 | 90,380 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.84 | 21,493 |
| U.S. State Nicknames Quiz | 0 | - | 4.49 | 46,063 |
| U.S. National Parks Quiz | 0 | - | 4.79 | 46,649 |
| Countries with American Expatriates | 0 | - | 4.58 | 40,889 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,291 |
| United States Country Quiz | 0 | - | 4.45 | 88,898 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 72,379 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.40 | 55,599 |
| Famous People from Illinois by Picture | 0 | - | 4.02 | 18,803 |
| Countries Closest to Canada | 0 | - | 4.90 | 184,227 |
| Asian Last Names in the United States | 0 | - | 4.41 | 43,212 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.18 | 700,064 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 198,499 |
| U.S. Federal Agency Acronyms | 0 | - | 4.51 | 75,855 |
| 10 Closest Megacities to New York City | 0 | - | 4.54 | 54,481 |
| New England States | 0 | - | 4.54 | 52,423 |
| US States by Land Area | 0 | - | 4.59 | 48,419 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.52 | 36,138 |
| Add a Letter - Make a U.S. State | 0 | - | 4.74 | 76,398 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 50,977 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.79 | 37,220 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 52,936 |
| The Only U.S. State ... #1 | 0 | - | 4.55 | 82,499 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.47 | 40,460 |
| United States Map Quiz | 0 | - | 4.98 | 3,898,186 |
| California Pro Sport Teams | 0 | - | 4.23 | 22,067 |
| Texas Pro Sport Teams | 0 | - | 4.11 | 16,191 |
| History of Pennsylvania | 0 | - | 4.09 | 6,431 |
| History of Virginia | 0 | - | 4.33 | 10,933 |
| Washington State by Picture | 0 | - | 4.16 | 7,129 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 49,144 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.70 | 59,785 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.75 | 53,975 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 52,873 |
| Longest U.S. State Borders | 0 | - | 4.65 | 34,141 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 58,264 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 31,742 |
| U.S. States with the Fewest Borders | 0 | - | 4.76 | 105,579 |
| U.S. States with the Most Borders | 0 | - | 4.56 | 61,042 |
| Belize Country Quiz | 0 | - | 4.88 | 18,711 |
| Top U.S. Universities | 0 | - | 4.12 | 112,860 |
| Largest United States Airlines | 0 | - | 4.38 | 51,988 |
| Third Most Common Language by U.S. State | 0 | - | 4.91 | 106,870 |
| U.S. States by Governor Quiz | 0 | - | 4.42 | 16,935 |
| U.S. Political Parties in History | 0 | - | 4.42 | 26,140 |
| U.S. Government Agencies | 0 | - | 4.41 | 17,628 |
| Famous People from Indiana by Picture | 0 | - | 4.32 | 22,619 |
| Famous People from Maryland by Picture | 0 | - | 4.16 | 15,442 |
| Famous People from Massachusetts by Picture | 0 | - | 4.25 | 22,576 |
| Famous People from New Jersey by Picture | 0 | - | 4.16 | 20,484 |
| North Carolina... or South Carolina? | 0 | - | 4.22 | 9,695 |
| Famous People from Oklahoma | 0 | - | 4.11 | 5,809 |
| Famous People from Pennsylvania by Picture | 0 | - | 4.20 | 23,364 |
| Movies Set in Pennsylvania | 0 | - | 4.15 | 11,110 |
| Famous People from Tennessee by Picture | 0 | - | 4.35 | 24,933 |
| Famous People from Virginia by Picture | 0 | - | 4.22 | 22,874 |
| American Legal Vocabulary | 0 | - | 4.40 | 32,115 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 31,671 |
| Cities by Picture #2 | 0 | - | 4.22 | 32,323 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.52 | 33,954 |
| Biggest Trading Partners - US | 0 | - | 4.63 | 101,456 |
| The U.S. Government - How Does it Work? | 0 | - | 4.33 | 39,819 |
| Famous People from California by Picture | 0 | - | 4.31 | 31,666 |
| California Groups of Things | 0 | - | 4.23 | 42,764 |
| Movies Set in Boston | 0 | - | 4.11 | 9,245 |
| New York Groups of Things | 0 | - | 4.39 | 57,230 |
| Washington... or Washington D.C.? | 0 | - | 4.32 | 25,193 |
| People on Money - United States | 0 | - | 4.31 | 61,748 |
| U.S. History Groups of Two | 0 | - | 4.27 | 35,283 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 41,224 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.34 | 70,678 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.49 | 20,476 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.44 | 47,675 |
| Flyover States | 0 | - | 4.51 | 27,963 |
| U.S. States With Double Letters | 0 | - | 4.66 | 4,251 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.29 | 57,694 |
| U.S. States by Borders | 0 | - | 4.58 | 26,259 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 37,395 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 35,323 |
| U.S. State Superlatives #1 | 0 | - | 4.46 | 75,469 |
| U.S. State Superlatives #2 | 0 | - | 4.51 | 37,268 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.38 | 120,844 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.54 | 60,532 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 103,275 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.49 | 35,006 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.79 | 58,413 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.45 | 39,348 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 309,092 |
| The Only American Country ... | 0 | - | 4.94 | 109,534 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,684 |
| U.S. State Border Crossings | 0 | - | 4.96 | 82,014 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 221,905 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.83 | 33,101 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.87 | 65,130 |
| Movies Set in Chicago Quiz | 0 | - | 4.48 | 27,358 |
| Who Did that Motown Song | 0 | - | 4.45 | 12,655 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 19,752 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 27,461 |
| Which U.S. State - Multiple Choice | 0 | - | 4.45 | 18,952 |
| Movies by State Quiz | 0 | - | 4.23 | 39,352 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.60 | 31,057 |
| Canada Country Quiz | 0 | - | 4.54 | 121,205 |
| Canada Cities Map Quiz | 0 | - | 4.65 | 109,310 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 81,224 |
| Mexico Country Quiz | 0 | - | 4.48 | 66,323 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.90 | 39,705 |
| Brazil States Map Quiz | 0 | - | 4.83 | 39,431 |
| States of Brazil | 0 | - | 4.96 | 68,344 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 18,389 |
| U.S. States by Picture #1 | 0 | - | 4.15 | 14,337 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 72,280 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 62,579 |
| Senators Who Ran For President | 0 | - | 4.28 | 16,294 |
| U.S. Electoral College Landslides | 0 | - | 4.33 | 20,993 |
| Geography of California | 0 | - | 4.23 | 9,660 |
| New York Pro Sport Teams | 0 | - | 4.29 | 14,972 |
| Events in U.S. History | 0 | - | 4.39 | 26,075 |
| Events by U.S. State #1 | 0 | - | 4.41 | 21,750 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 31,450 |
| Most Valuable Crops by U.S. State | 0 | - | 4.38 | 36,720 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.30 | 34,648 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 31,154 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.51 | 27,546 |
| U.S. States with the Most Venomous Snake Species | 0 | - | 4.47 | 24,991 |
| U.S. States with the Most Endangered Species | 0 | - | 4.50 | 13,855 |
| African-American Historical Figures | 0 | - | 4.14 | 16,388 |
| Canadian Prime Ministers Quiz | 0 | - | 4.63 | 49,453 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 73,531 |
| Most-Visited Countries by Canadians | 0 | - | 4.79 | 37,882 |
| The United States... or the United Kingdom? | 0 | - | 4.89 | 90,101 |
| Canada or Africa by Area | 0 | - | 4.79 | 13,486 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 83,292 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.87 | 68,106 |
| Countries Bordering Brazil | 0 | - | 4.96 | 123,689 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 45,162 |
| Colombia Country Quiz | 0 | - | 4.92 | 34,942 |
| Cuba Country Quiz | 0 | - | 4.71 | 47,013 |
| Jamaica Country Quiz | 0 | - | 4.59 | 32,057 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.81 | 52,248 |
| Lakes in the United States by Clue | 0 | - | 4.31 | 13,573 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 131,542 |
| U.S. Five-Star Generals and Admirals | 0 | - | 4.38 | 7,869 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 91,057 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 69,379 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.82 | 61,292 |
| 500 Biggest US Cities | 0 | - | 4.87 | 97,803 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.11 | 25,072 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.08 | 14,755 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.17 | 10,099 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,163,965 |
| America the Beautiful Lyrics | 0 | - | 4.26 | 19,180 |
| American Founding Fathers | 0 | - | 4.36 | 22,080 |
| Famous People from Alabama by Picture | 0 | - | 4.02 | 22,667 |
| Musical Acts from Los Angeles Quiz | 0 | - | 4.24 | 12,690 |
| Movies Set in San Francisco | 0 | - | 4.18 | 19,517 |
| Movies Set in Miami | 0 | - | 4.31 | 16,279 |
| Famous People from Georgia by Picture | 0 | - | 3.65 | 20,979 |
