| US States Quiz | 0 | - | 5.00 | 14,770,547 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 340,445 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 54,891 |
| Total United States Immigration by Country | 0 | - | 4.89 | 96,875 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 147,201 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 185,378 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 67,683 |
| Pixelated United States Map | 0 | - | 4.90 | 82,352 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 93,532 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 78,842 |
| Deadliest U.S. Wars | 0 | - | 4.83 | 158,330 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 100,687 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 96,312 |
| 10 Southernmost U.S. States | 0 | - | 4.84 | 99,353 |
| U.S. States with Short Names | 0 | - | 4.87 | 129,896 |
| U.S. States that Start with M | 0 | - | 4.91 | 150,626 |
| U.S. States By Population | 0 | - | 4.90 | 130,073 |
| U.S. States that Start with N | 0 | - | 4.95 | 155,683 |
| U.S. States with Longest Names | 0 | - | 4.84 | 36,109 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 77,952 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 58,425 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 56,191 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 35,056 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 274,692 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 124,617 |
| Countries that Beat the United States | 0 | - | 4.92 | 145,895 |
| Louisiana Purchase with a Map | 0 | - | 4.95 | 36,310 |
| US States with an Empty Map | 0 | - | 5.00 | 555,041 |
| U.S. States with the Longest International Borders | 0 | - | 4.81 | 40,948 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.89 | 89,625 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 73,293 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 71,407 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 116,244 |
| Georgia ... or Georgia? | 0 | - | 4.79 | 71,993 |
| Hawaiian Islands Map Quiz | 0 | - | 4.88 | 21,041 |
| Chicago City Trivia | 0 | - | 4.26 | 30,413 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.77 | 57,134 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 185,026 |
| Top 10 Coldest U.S. States | 0 | - | 4.91 | 100,354 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 100,861 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 71,401 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 57,151 |
| Cities and Towns of Massachusetts | 0 | - | 4.89 | 60,558 |
| States of Mexico | 0 | - | 4.95 | 141,665 |
| Mexico States Map Quiz | 0 | - | 4.84 | 90,718 |
| Florida Pro Sport Teams | 0 | - | 4.66 | 10,350 |
| U.S. State Nicknames Quiz | 0 | - | 4.49 | 46,219 |
| U.S. National Parks Quiz | 0 | - | 4.79 | 46,814 |
| Countries with American Expatriates | 0 | - | 4.58 | 40,948 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,351 |
| United States Country Quiz | 0 | - | 4.45 | 89,293 |
| Busiest Air Routes from the U.S. | 0 | - | 4.47 | 72,520 |
| The U.S. Government - How Does it Work? | 0 | - | 4.32 | 39,881 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.40 | 55,730 |
| Famous People from Illinois by Picture | 0 | - | 4.02 | 18,851 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.84 | 21,710 |
| North Carolina... or South Carolina? | 0 | - | 4.22 | 9,726 |
| Countries Closest to Canada | 0 | - | 4.90 | 184,649 |
| Asian Last Names in the United States | 0 | - | 4.41 | 43,322 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.18 | 701,642 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 198,707 |
| U.S. Federal Agency Acronyms | 0 | - | 4.51 | 75,941 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 54,575 |
| Washington... or Washington D.C.? | 0 | - | 4.33 | 25,239 |
| New England States | 0 | - | 4.54 | 52,447 |
| US States by Land Area | 0 | - | 4.58 | 48,532 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 36,200 |
| Add a Letter - Make a U.S. State | 0 | - | 4.74 | 76,598 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 51,127 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.78 | 37,343 |
| Which U.S. State - Multiple Choice | 0 | - | 4.45 | 18,989 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 53,019 |
| The Only U.S. State ... #1 | 0 | - | 4.51 | 82,659 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.47 | 40,533 |
| United States Map Quiz | 0 | - | 4.98 | 3,906,769 |
| California Pro Sport Teams | 0 | - | 4.24 | 22,135 |
| Texas Pro Sport Teams | 0 | - | 4.12 | 16,239 |
| History of Pennsylvania | 0 | - | 4.09 | 6,443 |
| History of Virginia | 0 | - | 4.33 | 10,945 |
| Washington State by Picture | 0 | - | 4.16 | 7,147 |
| Events by U.S. State #1 | 0 | - | 4.41 | 21,784 |
| Belize Country Quiz | 0 | - | 4.88 | 18,789 |
| Top U.S. Universities | 0 | - | 4.12 | 113,191 |
| Largest United States Airlines | 0 | - | 4.38 | 52,065 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.52 | 34,059 |
| Biggest Trading Partners - US | 0 | - | 4.63 | 101,625 |
| U.S. States by Governor Quiz | 0 | - | 4.42 | 16,960 |
| U.S. Political Parties in History | 0 | - | 4.42 | 26,184 |
| U.S. Government Agencies | 0 | - | 4.41 | 17,694 |
| Famous People from Indiana by Picture | 0 | - | 4.32 | 22,717 |
| Famous People from Maryland by Picture | 0 | - | 4.16 | 15,507 |
| Famous People from Massachusetts by Picture | 0 | - | 4.25 | 22,646 |
| Famous People from New Jersey by Picture | 0 | - | 4.16 | 20,540 |
| Famous People from Oklahoma | 0 | - | 4.11 | 5,821 |
| Famous People from Pennsylvania by Picture | 0 | - | 4.20 | 23,433 |
| Movies Set in Pennsylvania | 0 | - | 4.15 | 11,121 |
| Famous People from Tennessee by Picture | 0 | - | 4.35 | 25,025 |
| Famous People from Virginia by Picture | 0 | - | 4.22 | 22,917 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 49,236 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.70 | 59,975 |
| 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 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.44 | 47,714 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 69,388 |
| Longest U.S. State Borders | 0 | - | 4.65 | 34,302 |
| U.S. State Superlatives #1 | 0 | - | 4.46 | 75,538 |
| U.S. State Superlatives #2 | 0 | - | 4.51 | 37,355 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 58,316 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.54 | 60,661 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.79 | 58,581 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 31,784 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.45 | 39,411 |
| U.S. States with the Fewest Borders | 0 | - | 4.76 | 105,825 |
| U.S. States with the Most Borders | 0 | - | 4.56 | 61,076 |
| Third Most Common Language by U.S. State | 0 | - | 4.91 | 107,145 |
| American Legal Vocabulary | 0 | - | 4.40 | 32,176 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 31,759 |
| Cities by Picture #2 | 0 | - | 4.22 | 32,400 |
| Famous People from California by Picture | 0 | - | 4.31 | 31,835 |
| California Groups of Things | 0 | - | 4.23 | 42,859 |
| Movies Set in Boston | 0 | - | 4.11 | 9,257 |
| New York Groups of Things | 0 | - | 4.39 | 57,329 |
| People on Money - United States | 0 | - | 4.31 | 61,807 |
| U.S. History Groups of Two | 0 | - | 4.28 | 35,371 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 41,316 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.34 | 70,834 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.49 | 20,504 |
| Flyover States | 0 | - | 4.51 | 28,010 |
| U.S. States With Double Letters | 0 | - | 4.66 | 4,303 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.30 | 57,826 |
| U.S. States by Borders | 0 | - | 4.56 | 26,358 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 37,447 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 35,370 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.38 | 121,005 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 103,422 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.49 | 35,077 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 310,468 |
| The Only American Country ... | 0 | - | 4.94 | 109,857 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,986 |
| U.S. State Border Crossings | 0 | - | 4.96 | 82,196 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 222,299 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.83 | 33,408 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 65,418 |
| Movies Set in Chicago Quiz | 0 | - | 4.48 | 27,373 |
| Who Did that Motown Song | 0 | - | 4.45 | 12,669 |
| 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 |
| Movies by State Quiz | 0 | - | 4.23 | 39,377 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.60 | 31,109 |
| Canada Country Quiz | 0 | - | 4.54 | 121,531 |
| Canada Cities Map Quiz | 0 | - | 4.65 | 109,497 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 83,412 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.88 | 68,368 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 81,532 |
| Mexico Country Quiz | 0 | - | 4.48 | 66,538 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.90 | 40,134 |
| Brazil States Map Quiz | 0 | - | 4.83 | 39,644 |
| States of Brazil | 0 | - | 4.97 | 68,829 |
| Colombia Country Quiz | 0 | - | 4.92 | 35,104 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.81 | 52,513 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 18,423 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.94 | 134,380 |
| U.S. Five-Star Generals and Admirals | 0 | - | 4.38 | 7,886 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 69,630 |
| U.S. States by Picture #1 | 0 | - | 4.15 | 14,366 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 72,883 |
| 500 Biggest US Cities | 0 | - | 4.87 | 98,478 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 62,972 |
| Senators Who Ran For President | 0 | - | 4.28 | 16,310 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.11 | 25,102 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.08 | 14,774 |
| U.S. Electoral College Landslides | 0 | - | 4.33 | 21,014 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.17 | 10,118 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,177,280 |
| America the Beautiful Lyrics | 0 | - | 4.26 | 19,201 |
| American Founding Fathers | 0 | - | 4.36 | 22,098 |
| Famous People from Alabama by Picture | 0 | - | 4.02 | 22,717 |
| Geography of California | 0 | - | 4.23 | 9,678 |
| Famous People from Georgia by Picture | 0 | - | 3.65 | 21,017 |
| Famous People from Iowa | 0 | - | 3.71 | 6,756 |
| Famous Kentuckians Quiz | 0 | - | 3.79 | 5,548 |
| Famous People from Louisiana by Picture | 0 | - | 3.89 | 15,205 |
| Famous People from Michigan by Picture | 0 | - | 4.25 | 19,582 |
| Famous People from Minnesota by Picture | 0 | - | 3.69 | 19,429 |
| Famous People from New York by Picture | 0 | - | 4.02 | 25,451 |
| New York Pro Sport Teams | 0 | - | 4.33 | 23,901 |
| Famous People from Mississippi by Picture | 0 | - | 3.98 | 17,694 |
| Famous Missourians Quiz | 0 | - | 4.00 | 6,061 |
| Famous People from Texas by Picture | 0 | - | 4.04 | 31,612 |
| Famous People from North Carolina by Picture | 0 | - | 3.69 | 13,879 |
| Famous People from Ohio by Picture | 0 | - | 4.00 | 16,789 |
| Famous People from South Carolina | 0 | - | 3.68 | 5,878 |
| Famous People from Washington State by Picture | 0 | - | 3.84 | 15,085 |
| Famous People from Wisconsin | 0 | - | 3.97 | 6,388 |
| The Life of Thomas Edison | 0 | - | 4.03 | 4,650 |
| Events in U.S. History | 0 | - | 4.39 | 26,150 |
| U.S. State Symbols | 0 | - | 4.38 | 23,650 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.40 | 28,373 |
| U.S. States Without Individual Income Tax | 0 | - | 4.32 | 27,512 |
