| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,303 |
| US States Quiz | 0 | - | 5.00 | 16,896,432 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,026 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,757 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,673 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,448 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,909 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,280 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 332,616 |
| Pixelated United States Map | 0 | - | 4.87 | 94,365 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,824 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,883 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,932 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,027 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,561 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,552 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,159 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,462 |
| U.S. States By Population | 0 | - | 4.92 | 153,645 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,580 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,517 |
| US States with an Empty Map | 0 | - | 5.00 | 625,311 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,416 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,262 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,708 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,207 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,567 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,648 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 55,998 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,724 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,856 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,544 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,223 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,351 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,021 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,213 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,756 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,783 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,211 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,947 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,920 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,370 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,996 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,807 |
| States of Mexico | 0 | - | 4.96 | 176,420 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,884 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,854 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,863 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,609 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,490 |
| California Groups of Things | 0 | - | 4.25 | 45,502 |
| Los Angeles vs. New York | 0 | - | 4.41 | 19,899 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,283 |
| New York Groups of Things | 0 | - | 4.35 | 63,825 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,429 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,463 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,469 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,906 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,563 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,595 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 747,543 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,195 |
| United States Country Quiz | 0 | - | 4.43 | 101,622 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,911 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,644 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,202 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,007 |
| New England States | 0 | - | 4.51 | 59,822 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,853 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,022 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,867 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,054 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,967 |
| U.S. States by Borders | 0 | - | 4.61 | 35,349 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,511 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,100 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,250 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,182 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,986 |
| Asia Map Quiz | 0 | - | 4.99 | 917,992 |
| United States Map Quiz | 0 | - | 4.98 | 4,161,424 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,455 |
| Geography of California | 0 | - | 4.26 | 10,576 |
| California Pro Sport Teams | 0 | - | 4.19 | 22,694 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,189 |
| New York Pro Sport Teams | 0 | - | 4.32 | 25,908 |
| Texas Pro Sport Teams | 0 | - | 4.19 | 16,827 |
| History of Pennsylvania | 0 | - | 4.16 | 7,141 |
| History of Virginia | 0 | - | 4.31 | 11,605 |
| Washington State by Picture | 0 | - | 4.26 | 7,734 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 52,966 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,842 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,514 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,221 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,919 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,055 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,823 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,873 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,892 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,513 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,786 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 113,929 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,317 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,383,949 |
| Flags of North and South America | 0 | - | 4.99 | 373,713 |
| Belize Country Quiz | 0 | - | 4.85 | 20,998 |
| Top U.S. Universities | 0 | - | 4.15 | 145,254 |
| Largest United States Airlines | 0 | - | 4.39 | 55,053 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 51,402 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,691 |
| U.S. States by Governor | 0 | - | 4.43 | 18,071 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,708 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,693 |
| Famous People from Alabama by Picture | 0 | - | 4.07 | 24,074 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,607 |
| Famous People from Illinois by Picture | 0 | - | 4.03 | 20,168 |
| Famous People from Indiana by Picture | 0 | - | 4.36 | 25,068 |
| Famous People from Maryland by Picture | 0 | - | 4.23 | 16,853 |
| Famous People from Massachusetts by Picture | 0 | - | 4.29 | 24,514 |
| Famous People from Michigan by Picture | 0 | - | 4.30 | 21,411 |
| Famous People from New York by Picture | 0 | - | 4.03 | 27,508 |
| Famous Missourians | 0 | - | 4.12 | 6,411 |
| Famous People from New Jersey by Picture | 0 | - | 4.25 | 22,264 |
| Famous People from Texas by Picture | 0 | - | 3.99 | 33,383 |
| Famous People from Ohio by Picture | 0 | - | 4.03 | 17,692 |
| Famous People from Pennsylvania by Picture | 0 | - | 4.24 | 25,449 |
| Movies Set in Pennsylvania | 0 | - | 4.19 | 11,566 |
| Famous People from Tennessee by Picture | 0 | - | 4.33 | 27,374 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,351 |
| Famous People from Virginia by Picture | 0 | - | 4.18 | 24,224 |
| Famous People from Wisconsin | 0 | - | 4.03 | 6,834 |
| Events in U.S. History | 0 | - | 4.41 | 28,691 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,435 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,509 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,086 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,063 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,556 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,657 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,802 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,330 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,807 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,720 |
| Flags of Asia Quiz | 0 | - | 4.99 | 614,575 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,106 |
| States of India | 0 | - | 4.95 | 193,728 |
| The Only American Country ... | 0 | - | 4.92 | 121,719 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,204 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,124 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,138 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,131 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 49,826 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 53,950 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,357 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,184 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,346 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,199 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,543 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,606 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,771 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,546 |
| Names of Generations | 0 | - | 4.09 | 45,065 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,937 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,588 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,160 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,379 |
| American Founding Fathers | 0 | - | 4.42 | 23,233 |
| Musical Acts from Los Angeles by Two Songs | 0 | - | 4.27 | 16,136 |
| Movies Set in San Francisco | 0 | - | 4.23 | 19,940 |
| Movies Set in Miami | 0 | - | 4.32 | 16,700 |
| Famous People from Georgia by Picture | 0 | - | 3.67 | 22,098 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,224 |
| Movies and TV Shows Set in Boston | 0 | - | 4.17 | 9,782 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,057 |
| New York City Geography | 0 | - | 4.42 | 33,113 |
| People on Money - United States | 0 | - | 4.31 | 63,355 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,486 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 45,088 |
| Regions of U.S. States | 0 | - | 4.37 | 43,930 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,394 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,586 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,882 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,534 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,862 |
| Events by U.S. State #2 | 0 | - | 4.27 | 18,616 |
| Flyover States | 0 | - | 4.52 | 29,526 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,142 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,218 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,364 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,118 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,309 |
| Movies by State | 0 | - | 4.27 | 40,557 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,433 |
| People by U.S. State - Multiple Choice | 0 | - | 4.06 | 9,843 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 119,139 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,544 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,317 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,575 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,855 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,263 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,096 |
