| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,205 |
| US States Quiz | 0 | - | 5.00 | 16,869,322 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,930 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,610 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,455 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,932 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,863 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,977 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,853 |
| Pixelated United States Map | 0 | - | 4.87 | 94,248 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,634 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,741 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,755 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,839 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,381 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,395 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,960 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,245 |
| U.S. States By Population | 0 | - | 4.92 | 153,513 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,416 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,426 |
| US States with an Empty Map | 0 | - | 5.00 | 624,394 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,270 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,199 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,595 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,164 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,411 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,395 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 55,961 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,572 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,741 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,453 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,985 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,147 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,963 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,832 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,629 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,622 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,972 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,891 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,877 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,342 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,925 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,755 |
| States of Mexico | 0 | - | 4.95 | 175,963 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,705 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,839 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,758 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,515 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,433 |
| California Groups of Things | 0 | - | 4.25 | 45,484 |
| Los Angeles vs. New York | 0 | - | 4.41 | 19,855 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,261 |
| New York Groups of Things | 0 | - | 4.35 | 63,648 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,372 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,314 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,403 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,854 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,508 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,583 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 747,021 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,171 |
| United States Country Quiz | 0 | - | 4.43 | 101,479 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,870 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,424 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,133 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,975 |
| New England States | 0 | - | 4.51 | 59,807 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,797 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,006 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,806 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,994 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,916 |
| U.S. States by Borders | 0 | - | 4.61 | 35,309 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,477 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,033 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,213 |
| Countries that Beat Canada | 0 | - | 4.91 | 96,892 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,125 |
| Asia Map Quiz | 0 | - | 4.99 | 916,491 |
| United States Map Quiz | 0 | - | 4.98 | 4,157,930 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,306 |
| Geography of California | 0 | - | 4.26 | 10,564 |
| California Pro Sport Teams | 0 | - | 4.19 | 22,684 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,089 |
| New York Pro Sport Teams | 0 | - | 4.32 | 25,898 |
| Texas Pro Sport Teams | 0 | - | 4.19 | 16,821 |
| History of Pennsylvania | 0 | - | 4.16 | 7,135 |
| History of Virginia | 0 | - | 4.31 | 11,597 |
| Washington State by Picture | 0 | - | 4.26 | 7,727 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 52,917 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,784 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,478 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,183 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,908 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,039 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,793 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,805 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,874 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,489 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,767 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 113,826 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,303 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,382,797 |
| Flags of North and South America | 0 | - | 4.99 | 372,952 |
| Belize Country Quiz | 0 | - | 4.85 | 20,966 |
| Top U.S. Universities | 0 | - | 4.15 | 145,097 |
| Largest United States Airlines | 0 | - | 4.39 | 55,024 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 42,144 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,648 |
| U.S. States by Governor | 0 | - | 4.43 | 18,061 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,692 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,675 |
| Famous People from Alabama by Picture | 0 | - | 4.07 | 24,053 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,563 |
| Famous People from Illinois by Picture | 0 | - | 4.03 | 20,150 |
| Famous People from Indiana by Picture | 0 | - | 4.36 | 25,032 |
| Famous People from Maryland by Picture | 0 | - | 4.23 | 16,841 |
| Famous People from Massachusetts by Picture | 0 | - | 4.29 | 24,491 |
| Famous People from Michigan by Picture | 0 | - | 4.30 | 21,388 |
| Famous People from New York by Picture | 0 | - | 4.03 | 27,483 |
| Famous Missourians | 0 | - | 4.12 | 6,406 |
| Famous People from New Jersey by Picture | 0 | - | 4.25 | 22,243 |
| Famous People from Texas by Picture | 0 | - | 3.99 | 33,367 |
| Famous People from Ohio by Picture | 0 | - | 4.03 | 17,682 |
| Famous People from Pennsylvania by Picture | 0 | - | 4.24 | 25,431 |
| Movies Set in Pennsylvania | 0 | - | 4.19 | 11,559 |
| Famous People from Tennessee by Picture | 0 | - | 4.33 | 27,345 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,312 |
| Famous People from Virginia by Picture | 0 | - | 4.18 | 24,208 |
| Famous People from Wisconsin | 0 | - | 4.03 | 6,828 |
| Events in U.S. History | 0 | - | 4.41 | 28,664 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,105 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,492 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,997 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,022 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,522 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,626 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,739 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,296 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,760 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,696 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,292 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,934 |
| States of India | 0 | - | 4.95 | 193,179 |
| The Only American Country ... | 0 | - | 4.92 | 121,582 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,093 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,075 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,075 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,072 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 49,765 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 53,802 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,324 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,126 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,296 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,115 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,462 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,422 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,722 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,447 |
| Names of Generations | 0 | - | 4.09 | 44,848 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,911 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,554 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,130 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,358 |
| American Founding Fathers | 0 | - | 4.42 | 23,223 |
| Musical Acts from Los Angeles by Two Songs | 0 | - | 4.27 | 16,099 |
| Movies Set in San Francisco | 0 | - | 4.23 | 19,937 |
| Movies Set in Miami | 0 | - | 4.32 | 16,697 |
| Famous People from Georgia by Picture | 0 | - | 3.67 | 22,080 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,982 |
| Movies and TV Shows Set in Boston | 0 | - | 4.17 | 9,777 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,052 |
| New York City Geography | 0 | - | 4.42 | 33,094 |
| People on Money - United States | 0 | - | 4.31 | 63,342 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,453 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 45,041 |
| Regions of U.S. States | 0 | - | 4.37 | 43,860 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,384 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,571 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,841 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,520 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,846 |
| Events by U.S. State #2 | 0 | - | 4.27 | 18,609 |
| Flyover States | 0 | - | 4.52 | 29,509 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,111 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 76,146 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,339 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,097 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,291 |
| Movies by State | 0 | - | 4.27 | 40,540 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,358 |
| People by U.S. State - Multiple Choice | 0 | - | 4.06 | 9,837 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 119,089 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,515 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,212 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,499 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,712 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,128 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,968 |
