| US States Quiz | 0 | - | 5.00 | 14,603,314 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 54,167 |
| Total United States Immigration by Country | 0 | - | 4.90 | 95,996 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 145,387 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.95 | 182,525 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 67,332 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 338,592 |
| Pixelated United States Map | 0 | - | 4.90 | 81,430 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 92,160 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 77,752 |
| Deadliest U.S. Wars | 0 | - | 4.82 | 157,088 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 99,541 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 95,250 |
| 10 Southernmost U.S. States | 0 | - | 4.84 | 98,365 |
| U.S. States with Short Names | 0 | - | 4.87 | 128,547 |
| U.S. States that Start with M | 0 | - | 4.91 | 149,370 |
| U.S. States By Population | 0 | - | 4.90 | 129,329 |
| U.S. States that Start with N | 0 | - | 4.95 | 154,522 |
| U.S. States with Longest Names | 0 | - | 4.84 | 35,590 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 57,948 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 55,312 |
| US States with an Empty Map | 0 | - | 5.00 | 549,621 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 34,734 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.95 | 270,588 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 123,571 |
| Countries that Beat the United States | 0 | - | 4.92 | 144,035 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.77 | 56,479 |
| Louisiana Purchase with a Map | 0 | - | 4.94 | 35,597 |
| U.S. States with the Longest International Borders | 0 | - | 4.81 | 40,027 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 88,684 |
| U.S. States with the Most Immigrants | 0 | - | 4.86 | 72,815 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 70,462 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 115,096 |
| Hawaiian Islands Map Quiz | 0 | - | 4.88 | 20,917 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 183,353 |
| Top 10 Coldest U.S. States | 0 | - | 4.91 | 99,413 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 100,009 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 70,495 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 56,919 |
| Cities and Towns of Massachusetts | 0 | - | 4.89 | 59,411 |
| Georgia ... or Georgia? | 0 | - | 4.79 | 71,501 |
| States of Mexico | 0 | - | 4.95 | 138,852 |
| Mexico States Map Quiz | 0 | - | 4.85 | 89,664 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.84 | 21,149 |
| U.S. State Nicknames Quiz | 0 | - | 4.49 | 45,851 |
| U.S. National Parks Quiz | 0 | - | 4.79 | 46,341 |
| Countries with American Expatriates | 0 | - | 4.59 | 40,823 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,168 |
| United States Country Quiz | 0 | - | 4.45 | 88,135 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 72,059 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.40 | 55,381 |
| Famous People from Illinois by Picture | 0 | - | 4.02 | 18,709 |
| Countries Closest to Canada | 0 | - | 4.90 | 183,396 |
| Asian Last Names in the United States | 0 | - | 4.41 | 43,023 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.18 | 697,567 |
| American Legal Vocabulary | 0 | - | 4.43 | 32,003 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 198,137 |
| U.S. Federal Agency Acronyms | 0 | - | 4.51 | 75,701 |
| 10 Closest Megacities to New York City | 0 | - | 4.54 | 54,322 |
| New England States | 0 | - | 4.53 | 52,372 |
| US States by Land Area | 0 | - | 4.59 | 48,229 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.52 | 36,040 |
| Add a Letter - Make a U.S. State | 0 | - | 4.74 | 76,063 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 50,722 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.78 | 37,039 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 52,752 |
| The Only U.S. State ... #1 | 0 | - | 4.55 | 82,214 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.47 | 40,305 |
| United States Map Quiz | 0 | - | 4.98 | 3,884,765 |
| California Pro Sport Teams | 0 | - | 4.23 | 22,050 |
| Texas Pro Sport Teams | 0 | - | 4.11 | 16,168 |
| History of Pennsylvania | 0 | - | 4.09 | 6,400 |
| History of Virginia | 0 | - | 4.33 | 10,909 |
| Washington State by Picture | 0 | - | 4.16 | 7,102 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 49,016 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.70 | 59,432 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.74 | 53,814 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 52,731 |
| Longest U.S. State Borders | 0 | - | 4.62 | 33,849 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.52 | 58,142 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 31,659 |
| U.S. States with the Fewest Borders | 0 | - | 4.76 | 104,840 |
| U.S. States with the Most Borders | 0 | - | 4.56 | 60,959 |
| Belize Country Quiz | 0 | - | 4.88 | 18,590 |
| Top U.S. Universities | 0 | - | 4.11 | 112,272 |
| Largest United States Airlines | 0 | - | 4.38 | 51,858 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 106,111 |
| U.S. States by Governor Quiz | 0 | - | 4.42 | 16,894 |
| U.S. Political Parties in History | 0 | - | 4.42 | 26,063 |
| U.S. Government Agencies | 0 | - | 4.41 | 17,519 |
| Famous People from Indiana by Picture | 0 | - | 4.32 | 22,469 |
| Famous People from Maryland by Picture | 0 | - | 4.16 | 15,359 |
| Famous People from Massachusetts by Picture | 0 | - | 4.25 | 22,474 |
| Famous People from New Jersey by Picture | 0 | - | 4.16 | 20,384 |
| North Carolina... or South Carolina? | 0 | - | 4.21 | 9,639 |
| Famous People from Oklahoma | 0 | - | 4.11 | 5,792 |
| Famous People from Pennsylvania by Picture | 0 | - | 4.20 | 23,240 |
| Movies Set in Pennsylvania | 0 | - | 4.15 | 11,093 |
| Famous People from Tennessee by Picture | 0 | - | 4.35 | 24,757 |
| Famous People from Virginia by Picture | 0 | - | 4.21 | 22,788 |
| Cities by Picture #2 | 0 | - | 4.22 | 32,174 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 33,799 |
| Biggest Trading Partners - US | 0 | - | 4.64 | 99,903 |
| The U.S. Government - How Does it Work? | 0 | - | 4.33 | 39,684 |
| California Groups of Things | 0 | - | 4.23 | 42,593 |
| Movies Set in Boston | 0 | - | 4.11 | 9,226 |
| New York Groups of Things | 0 | - | 4.39 | 57,013 |
| Washington... or Washington D.C.? | 0 | - | 4.31 | 25,115 |
| People on Money - United States | 0 | - | 4.31 | 61,655 |
| U.S. History Groups of Two | 0 | - | 4.27 | 35,155 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.19 | 41,054 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.34 | 70,449 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.49 | 20,422 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.44 | 47,600 |
| Flyover States | 0 | - | 4.51 | 27,879 |
| U.S. States With Double Letters | 0 | - | 4.64 | 4,066 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.29 | 57,426 |
| U.S. States by Borders | 0 | - | 4.59 | 26,139 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 37,289 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 35,234 |
| U.S. State Superlatives #1 | 0 | - | 4.45 | 75,040 |
| U.S. State Superlatives #2 | 0 | - | 4.51 | 37,098 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.38 | 120,569 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.54 | 60,329 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 102,584 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.48 | 34,857 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.79 | 58,112 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.44 | 39,242 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 306,857 |
| The Only American Country ... | 0 | - | 4.94 | 108,980 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,135 |
| U.S. State Border Crossings | 0 | - | 4.96 | 81,551 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 220,764 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.82 | 32,595 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 64,737 |
| Movies Set in Chicago Quiz | 0 | - | 4.48 | 27,326 |
| Who Did that Motown Song | 0 | - | 4.45 | 12,635 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 19,724 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 27,390 |
| Which U.S. State - Multiple Choice | 0 | - | 4.45 | 18,888 |
| Movies by State Quiz | 0 | - | 4.23 | 39,305 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.60 | 30,954 |
| Canada Country Quiz | 0 | - | 4.54 | 120,583 |
| Canada Cities Map Quiz | 0 | - | 4.65 | 108,875 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 80,582 |
| Mexico Country Quiz | 0 | - | 4.48 | 66,005 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.89 | 39,109 |
| Brazil States Map Quiz | 0 | - | 4.84 | 39,032 |
| States of Brazil | 0 | - | 4.96 | 67,525 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 18,340 |
| U.S. States by Picture #1 | 0 | - | 4.15 | 14,289 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 71,377 |
| Every U.S. Metro Area on a Map | 0 | - | 4.96 | 62,054 |
| Senators Who Ran For President | 0 | - | 4.28 | 16,263 |
| U.S. Electoral College Landslides | 0 | - | 4.33 | 20,941 |
| Geography of California | 0 | - | 4.23 | 9,626 |
| New York Pro Sport Teams | 0 | - | 4.29 | 14,933 |
| Events in U.S. History | 0 | - | 4.39 | 25,931 |
| Events by U.S. State #1 | 0 | - | 4.41 | 21,672 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 31,421 |
| Most Valuable Crops by U.S. State | 0 | - | 4.38 | 36,595 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.29 | 34,312 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 30,969 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.51 | 27,479 |
| U.S. States with the Most Venomous Snake Species | 0 | - | 4.47 | 24,907 |
| U.S. States with the Most Endangered Species | 0 | - | 4.50 | 13,844 |
| African-American Historical Figures | 0 | - | 4.14 | 16,335 |
| Canadian Prime Ministers Quiz | 0 | - | 4.60 | 48,635 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 73,110 |
| Most-Visited Countries by Canadians | 0 | - | 4.79 | 37,831 |
| The United States... or the United Kingdom? | 0 | - | 4.89 | 89,667 |
| Canada or Africa by Area | 0 | - | 4.79 | 13,215 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 82,950 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.87 | 67,508 |
| Countries Bordering Brazil | 0 | - | 4.96 | 123,306 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 44,939 |
| Colombia Country Quiz | 0 | - | 4.92 | 34,633 |
| Cuba Country Quiz | 0 | - | 4.70 | 46,780 |
| Jamaica Country Quiz | 0 | - | 4.59 | 31,898 |
| Lakes in the United States by Clue | 0 | - | 4.31 | 13,555 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 130,901 |
| U.S. Five-Star Generals and Admirals | 0 | - | 4.38 | 7,850 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 90,512 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 68,997 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 31,513 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.82 | 60,797 |
| 500 Biggest US Cities | 0 | - | 4.85 | 96,629 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.10 | 25,034 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.06 | 14,724 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.16 | 10,070 |
| America the Beautiful Lyrics | 0 | - | 4.26 | 19,152 |
| American Founding Fathers | 0 | - | 4.36 | 22,050 |
| Famous People from Alabama by Picture | 0 | - | 4.02 | 22,585 |
| Famous People from California by Picture | 0 | - | 4.30 | 31,372 |
| Musical Acts from Los Angeles Quiz | 0 | - | 4.24 | 12,667 |
| Movies Set in San Francisco | 0 | - | 4.18 | 19,504 |
| Movies Set in Miami | 0 | - | 4.31 | 16,263 |
| Famous People from Georgia by Picture | 0 | - | 3.65 | 20,914 |
| Famous People from Iowa | 0 | - | 3.71 | 6,722 |
| Famous Kentuckians Quiz | 0 | - | 3.79 | 5,531 |
