| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,633 |
| US States Quiz | 0 | - | 5.00 | 16,971,674 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,395 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,394 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,234 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,371 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,001 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,062 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,851 |
| Pixelated United States Map | 0 | - | 4.88 | 94,717 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,367 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,317 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,624 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,905 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,132 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,134 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,189 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,163 |
| U.S. States By Population | 0 | - | 4.92 | 154,037 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,082 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,806 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,772 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,482 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,004 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,353 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,053 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,438 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,169 |
| US States with an Empty Map | 0 | - | 5.00 | 627,832 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,341 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,956 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,872 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,987 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,077 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,508 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,305 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,742 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,356 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,702 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,166 |
| Movies and TV Shows Set in Boston | 0 | - | 4.17 | 9,794 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,205 |
| States of Mexico | 0 | - | 4.96 | 177,825 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,491 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,899 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,086 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,779 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,695 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,656 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,265 |
| United States Country Quiz | 0 | - | 4.43 | 102,069 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,035 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,662 |
| California Groups of Things | 0 | - | 4.26 | 45,731 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,312 |
| Famous People from Massachusetts by Picture | 0 | - | 4.29 | 24,644 |
| New York Groups of Things | 0 | - | 4.39 | 71,795 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,568 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,962 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,168 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,986 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,849 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,280 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 749,202 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,327 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,108 |
| New England States | 0 | - | 4.51 | 59,883 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,018 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,101 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,069 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,243 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,103 |
| U.S. States by Borders | 0 | - | 4.62 | 35,444 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,657 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,289 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,412 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,873 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,936 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,866 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,983 |
| Geography of California | 0 | - | 4.26 | 10,612 |
| California Pro Sport Teams | 0 | - | 4.19 | 22,708 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,501 |
| New York Pro Sport Teams | 0 | - | 4.32 | 25,950 |
| Texas Pro Sport Teams | 0 | - | 4.19 | 16,851 |
| History of Pennsylvania | 0 | - | 4.16 | 7,161 |
| History of Virginia | 0 | - | 4.33 | 11,637 |
| Washington State by Picture | 0 | - | 4.26 | 7,750 |
| Flags of North and South America | 0 | - | 4.99 | 376,191 |
| Belize Country Quiz | 0 | - | 4.85 | 21,065 |
| Top U.S. Universities | 0 | - | 4.15 | 145,686 |
| Largest United States Airlines | 0 | - | 4.39 | 55,134 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,843 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,840 |
| U.S. States by Governor | 0 | - | 4.43 | 18,109 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,753 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,760 |
| Famous People from Alabama by Picture | 0 | - | 4.07 | 24,119 |
| Los Angeles vs. New York | 0 | - | 4.41 | 19,999 |
| Famous People from Illinois by Picture | 0 | - | 4.03 | 20,210 |
| Famous People from Indiana by Picture | 0 | - | 4.36 | 25,157 |
| Famous People from Maryland by Picture | 0 | - | 4.23 | 16,901 |
| Famous People from Michigan by Picture | 0 | - | 4.30 | 21,475 |
| Famous People from New York by Picture | 0 | - | 4.03 | 27,588 |
| Famous Missourians | 0 | - | 4.12 | 6,431 |
| Famous People from New Jersey by Picture | 0 | - | 4.25 | 22,331 |
| Famous People from Texas by Picture | 0 | - | 3.99 | 33,440 |
| Famous People from Ohio by Picture | 0 | - | 4.03 | 17,728 |
| Famous People from Pennsylvania by Picture | 0 | - | 4.24 | 25,508 |
| Movies Set in Pennsylvania | 0 | - | 4.19 | 11,575 |
| Famous People from Tennessee by Picture | 0 | - | 4.33 | 27,442 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,476 |
| Famous People from Virginia by Picture | 0 | - | 4.18 | 24,265 |
| Famous People from Wisconsin | 0 | - | 4.03 | 6,853 |
| Events in U.S. History | 0 | - | 4.41 | 28,792 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,101 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,038 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,599 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,313 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,751 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,553 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,331 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,113 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,239 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,910 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,070 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,649 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,738 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,957 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,955 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,410 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.74 | 63,978 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,560 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,827 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,805 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,153 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,355 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,443 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,475 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,452 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,166 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 54,348 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,588 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,480 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,641 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 36,786 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,542 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,938 |
| American Legal Vocabulary | 0 | - | 4.40 | 34,001 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,700 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,270 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,449 |
| American Founding Fathers | 0 | - | 4.42 | 23,268 |
| Musical Acts from Los Angeles by Two Songs | 0 | - | 4.27 | 16,267 |
| Movies Set in San Francisco | 0 | - | 4.23 | 19,955 |
| Movies Set in Miami | 0 | - | 4.32 | 16,711 |
| New York City Geography | 0 | - | 4.43 | 33,172 |
| People on Money - United States | 0 | - | 4.31 | 63,417 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,570 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 45,185 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 75,016 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,558 |
| Flyover States | 0 | - | 4.52 | 29,580 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,233 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,365 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,443 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,172 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,911 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.46 | 119,289 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,650 |
| The Only American Country ... | 0 | - | 4.92 | 122,103 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,561 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,806 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,675 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,851 |
| Names of Generations | 0 | - | 4.09 | 45,434 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,864 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,072 |
| Regions of U.S. States | 0 | - | 4.37 | 44,125 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,412 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,625 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,922 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,353 |
| Movies by State | 0 | - | 4.27 | 40,598 |
| Canada Country Quiz | 0 | - | 4.55 | 132,938 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,528 |
| Canada A-Z | 0 | - | 4.73 | 32,945 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,572 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 92,676 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,714 |
| U.S. Geography by Letter - N | 0 | - | 3.80 | 53,037 |
| U.S. Geography by Letter - E | 0 | - | 3.75 | 49,045 |
| U.S. Geography by Letter - F | 0 | - | 3.84 | 45,313 |
| U.S. Geography by Letter - O | 0 | - | 3.52 | 41,775 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,681 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,640 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,489 |
| States of Brazil | 0 | - | 4.97 | 89,383 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,934 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,889 |
