| US States Quiz | 0 | - | 5.00 | 14,771,791 |
| Hawaiian Islands Map Quiz | 0 | - | 4.88 | 21,043 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 340,465 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 54,895 |
| Total United States Immigration by Country | 0 | - | 4.89 | 96,885 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 147,219 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 185,401 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 67,685 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 54,577 |
| Pixelated United States Map | 0 | - | 4.90 | 82,357 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 93,546 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 78,856 |
| Deadliest U.S. Wars | 0 | - | 4.83 | 158,340 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 100,696 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 96,327 |
| 10 Southernmost U.S. States | 0 | - | 4.84 | 99,361 |
| U.S. States with Short Names | 0 | - | 4.87 | 129,905 |
| U.S. States that Start with M | 0 | - | 4.91 | 150,636 |
| U.S. States By Population | 0 | - | 4.90 | 130,081 |
| U.S. States that Start with N | 0 | - | 4.95 | 155,686 |
| U.S. States with Longest Names | 0 | - | 4.84 | 36,110 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 77,960 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 58,427 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 56,196 |
| US States with an Empty Map | 0 | - | 5.00 | 555,077 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 35,060 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 274,741 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 124,626 |
| Countries that Beat the United States | 0 | - | 4.92 | 145,908 |
| Louisiana Purchase with a Map | 0 | - | 4.95 | 36,314 |
| U.S. States with the Longest International Borders | 0 | - | 4.81 | 40,949 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.89 | 89,630 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 73,297 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 71,415 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 116,245 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 185,034 |
| Top 10 Coldest U.S. States | 0 | - | 4.91 | 100,360 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 100,867 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 71,407 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 57,152 |
| States of Mexico | 0 | - | 4.95 | 141,704 |
| Mexico States Map Quiz | 0 | - | 4.84 | 90,728 |
| Florida Pro Sport Teams | 0 | - | 4.66 | 10,350 |
| Georgia ... or Georgia? | 0 | - | 4.79 | 71,998 |
| U.S. State Nicknames Quiz | 0 | - | 4.49 | 46,224 |
| U.S. National Parks Quiz | 0 | - | 4.79 | 46,816 |
| Countries with American Expatriates | 0 | - | 4.58 | 40,949 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,353 |
| United States Country Quiz | 0 | - | 4.45 | 89,305 |
| Busiest Air Routes from the U.S. | 0 | - | 4.47 | 72,524 |
| The U.S. Government - How Does it Work? | 0 | - | 4.32 | 39,882 |
| Famous People from California by Picture | 0 | - | 4.31 | 31,838 |
| California Groups of Things | 0 | - | 4.23 | 42,860 |
| Famous People from New York by Picture | 0 | - | 4.02 | 25,452 |
| New York Groups of Things | 0 | - | 4.39 | 57,330 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.76 | 57,138 |
| Countries Closest to Canada | 0 | - | 4.90 | 184,653 |
| Canada or Africa by Area | 0 | - | 4.81 | 13,679 |
| Movies Set in Miami | 0 | - | 4.31 | 16,286 |
| Who Did that Motown Song | 0 | - | 4.45 | 12,669 |
| Six Flags Over Texas | 0 | - | 4.84 | 58,829 |
| Washington... or Washington D.C.? | 0 | - | 4.33 | 25,240 |
| Which U.S. State - Multiple Choice | 0 | - | 4.45 | 18,989 |
| Asian Last Names in the United States | 0 | - | 4.41 | 43,325 |
| United States Map Quiz | 0 | - | 4.98 | 3,906,903 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.18 | 701,659 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 198,711 |
| U.S. Federal Agency Acronyms | 0 | - | 4.51 | 75,942 |
| Countries Closest to Alaska | 0 | - | 4.93 | 99,143 |
| Geography of California | 0 | - | 4.23 | 9,678 |
| Countries Closest to Maine | 0 | - | 4.85 | 59,043 |
| Boroughs of New York City | 0 | - | 4.44 | 77,218 |
| New York Pro Sport Teams | 0 | - | 4.35 | 24,005 |
| New England States | 0 | - | 4.54 | 52,447 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 49,239 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.70 | 59,980 |
| US States by Land Area | 0 | - | 4.58 | 48,533 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 36,203 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.75 | 54,056 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 52,942 |
| Add a Letter - Make a U.S. State | 0 | - | 4.74 | 76,602 |
| Events by U.S. State #1 | 0 | - | 4.41 | 21,784 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 51,133 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.78 | 37,344 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 53,022 |
| The Only U.S. State ... #1 | 0 | - | 4.51 | 82,662 |
| Longest U.S. State Borders | 0 | - | 4.65 | 34,306 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.47 | 40,535 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 58,318 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 31,784 |
| U.S. States with the Fewest Borders | 0 | - | 4.76 | 105,830 |
| U.S. States with the Most Borders | 0 | - | 4.56 | 61,076 |
| Belize Country Quiz | 0 | - | 4.88 | 18,789 |
| Top U.S. Universities | 0 | - | 4.12 | 113,210 |
| Largest United States Airlines | 0 | - | 4.38 | 52,066 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.52 | 34,061 |
| Biggest Trading Partners - US | 0 | - | 4.63 | 101,630 |
| U.S. States by Governor Quiz | 0 | - | 4.42 | 16,960 |
| U.S. Political Parties in History | 0 | - | 4.42 | 26,186 |
| U.S. Government Agencies | 0 | - | 4.41 | 17,694 |
| Famous People from Alabama by Picture | 0 | - | 4.02 | 22,717 |
| Los Angeles vs. New York | 0 | - | 4.39 | 16,290 |
| Hawaiian Islands | 0 | - | 4.85 | 38,515 |
| Famous People from Michigan by Picture | 0 | - | 4.25 | 19,582 |
| State Quiz - New York | 0 | - | 4.47 | 36,763 |
| Famous People from Texas by Picture | 0 | - | 4.04 | 31,613 |
| North Carolina... or South Carolina? | 0 | - | 4.22 | 9,727 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 57,855 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.44 | 47,714 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 69,395 |
| U.S. State Superlatives #1 | 0 | - | 4.46 | 75,543 |
| U.S. State Superlatives #2 | 0 | - | 4.51 | 37,357 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.54 | 60,664 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.79 | 58,586 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.45 | 39,412 |
| Third Most Common Language by U.S. State | 0 | - | 4.91 | 107,145 |
| American Legal Vocabulary | 0 | - | 4.40 | 32,177 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 31,761 |
| Cities by Picture #2 | 0 | - | 4.22 | 32,402 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.40 | 55,732 |
| Musical Acts from Los Angeles Quiz | 0 | - | 4.24 | 12,705 |
| Movies Set in San Francisco | 0 | - | 4.18 | 19,523 |
| Famous People from Florida by Picture | 0 | - | 3.85 | 18,542 |
| Musical Acts from New York City | 0 | - | 3.80 | 9,563 |
| People on Money - United States | 0 | - | 4.31 | 61,807 |
| U.S. History Groups of Two | 0 | - | 4.28 | 35,373 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 41,318 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.34 | 70,837 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.49 | 20,505 |
| Flyover States | 0 | - | 4.51 | 28,011 |
| U.S. States With Double Letters | 0 | - | 4.66 | 4,303 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.30 | 57,830 |
| U.S. States by Borders | 0 | - | 4.56 | 26,359 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 37,449 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 35,371 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.38 | 121,008 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 103,425 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.49 | 35,081 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 310,505 |
| The Only American Country ... | 0 | - | 4.94 | 109,864 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,993 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 81,535 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.90 | 40,139 |
| Brazil States Map Quiz | 0 | - | 4.83 | 39,650 |
| States of Brazil | 0 | - | 4.97 | 68,848 |
| U.S. State Border Crossings | 0 | - | 4.96 | 82,200 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 222,310 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 18,423 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.83 | 33,409 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 65,423 |
| U.S. States by Picture #1 | 0 | - | 4.15 | 14,366 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 72,900 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 62,985 |
| Senators Who Ran For President | 0 | - | 4.28 | 16,311 |
| U.S. Electoral College Landslides | 0 | - | 4.33 | 21,016 |
| California Pro Sport Teams | 0 | - | 4.24 | 22,135 |
| Chicago City Trivia | 0 | - | 4.26 | 30,414 |
| Cities and Towns of Massachusetts | 0 | - | 4.89 | 60,567 |
| Texas Pro Sport Teams | 0 | - | 4.12 | 16,240 |
| History of Pennsylvania | 0 | - | 4.09 | 6,444 |
| History of Virginia | 0 | - | 4.33 | 10,945 |
| Washington State by Picture | 0 | - | 4.16 | 7,148 |
| Events in U.S. History | 0 | - | 4.37 | 26,150 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 19,777 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 27,509 |
| Events by U.S. State #2 | 0 | - | 4.25 | 17,841 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 31,471 |
| Movies by State Quiz | 0 | - | 4.23 | 39,378 |
| Most Valuable Crops by U.S. State | 0 | - | 4.38 | 36,800 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.30 | 34,806 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 31,236 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.51 | 27,581 |
| U.S. States with the Most Venomous Snake Species | 0 | - | 4.47 | 25,045 |
| U.S. States with the Most Endangered Species | 0 | - | 4.50 | 13,866 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.60 | 31,110 |
| African-American Historical Figures | 0 | - | 4.14 | 16,403 |
| Capitals of Canadian Provinces | 0 | - | 4.87 | 73,715 |
| Canada Country Quiz | 0 | - | 4.54 | 121,539 |
| Canada Cities Map Quiz | 0 | - | 4.65 | 109,501 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 83,414 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.88 | 68,372 |
| Mexico Country Quiz | 0 | - | 4.48 | 66,542 |
| Which South American Country? | 0 | - | 4.79 | 48,874 |
| Colombia Country Quiz | 0 | - | 4.92 | 35,108 |
| Cuba Country Quiz | 0 | - | 4.70 | 47,177 |
| Jamaica Country Quiz | 0 | - | 4.59 | 32,170 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.81 | 52,517 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.94 | 134,428 |
| U.S. Five-Star Generals and Admirals | 0 | - | 4.38 | 7,886 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 69,639 |
| 500 Biggest US Cities | 0 | - | 4.87 | 98,495 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.11 | 25,102 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.08 | 14,774 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.17 | 10,118 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,177,504 |
| America the Beautiful Lyrics | 0 | - | 4.26 | 19,203 |
| American Founding Fathers | 0 | - | 4.36 | 22,099 |
| Famous People from Illinois by Picture | 0 | - | 4.02 | 18,852 |
| Famous People from Indiana by Picture | 0 | - | 4.32 | 22,719 |
| Famous People from Maryland by Picture | 0 | - | 4.16 | 15,509 |
