| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,750 |
| US States Quiz | 0 | - | 5.00 | 17,002,559 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,514 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,448 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,596 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,628 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,114 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,727 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,620 |
| Pixelated United States Map | 0 | - | 4.88 | 94,835 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,594 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,472 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,824 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,104 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,315 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,341 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,392 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,414 |
| U.S. States By Population | 0 | - | 4.92 | 154,183 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,261 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,915 |
| US States with an Empty Map | 0 | - | 5.00 | 628,913 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,889 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,550 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,130 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,409 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,267 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,721 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 56,261 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,337 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,500 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,057 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,211 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,435 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,218 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,614 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,907 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,563 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,892 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,232 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,125 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,539 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,284 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,975 |
| States of Mexico | 0 | - | 4.96 | 178,353 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,687 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,911 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,176 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,827 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,722 |
| California Groups of Things | 0 | - | 4.26 | 45,776 |
| Los Angeles vs. New York | 0 | - | 4.41 | 20,036 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,320 |
| New York Groups of Things | 0 | - | 4.39 | 72,179 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,631 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,522 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 70,066 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 57,956 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,756 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,680 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 749,925 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,283 |
| United States Country Quiz | 0 | - | 4.43 | 102,235 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,076 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,570 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,443 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,156 |
| New England States | 0 | - | 4.51 | 59,901 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,069 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,124 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,168 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,293 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,155 |
| U.S. States by Borders | 0 | - | 4.62 | 35,489 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,688 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,351 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,456 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,028 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,723 |
| Asia Map Quiz | 0 | - | 4.99 | 925,539 |
| United States Map Quiz | 0 | - | 4.98 | 4,171,957 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,181 |
| Geography of California | 0 | - | 4.26 | 10,630 |
| California Pro Sport Teams | 0 | - | 4.19 | 22,713 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,626 |
| New York Pro Sport Teams | 0 | - | 4.32 | 25,964 |
| Texas Pro Sport Teams | 0 | - | 4.19 | 16,857 |
| History of Pennsylvania | 0 | - | 4.16 | 7,168 |
| History of Virginia | 0 | - | 4.33 | 11,643 |
| Washington State by Picture | 0 | - | 4.26 | 7,760 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,155 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,111 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,661 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.70 | 61,111 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,967 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,122 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,954 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,152 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,988 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,576 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,839 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,235 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,373 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,472 |
| Flags of North and South America | 0 | - | 4.99 | 377,280 |
| Belize Country Quiz | 0 | - | 4.85 | 21,099 |
| Top U.S. Universities | 0 | - | 4.15 | 145,870 |
| Largest United States Airlines | 0 | - | 4.39 | 55,167 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 53,025 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,892 |
| U.S. States by Governor | 0 | - | 4.43 | 18,115 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,770 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,782 |
| Famous People from Alabama by Picture | 0 | - | 4.07 | 24,137 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,773 |
| Famous People from Illinois by Picture | 0 | - | 4.03 | 20,231 |
| Famous People from Indiana by Picture | 0 | - | 4.36 | 25,185 |
| Famous People from Maryland by Picture | 0 | - | 4.23 | 16,924 |
| Famous People from Massachusetts by Picture | 0 | - | 4.29 | 24,660 |
| Famous People from Michigan by Picture | 0 | - | 4.30 | 21,507 |
| Famous People from New York by Picture | 0 | - | 4.03 | 27,619 |
| Famous Missourians | 0 | - | 4.12 | 6,434 |
| Famous People from New Jersey by Picture | 0 | - | 4.25 | 22,356 |
| Famous People from Texas by Picture | 0 | - | 3.99 | 33,469 |
| Famous People from Ohio by Picture | 0 | - | 4.03 | 17,747 |
| Famous People from Pennsylvania by Picture | 0 | - | 4.24 | 25,532 |
| Movies Set in Pennsylvania | 0 | - | 4.19 | 11,581 |
| Famous People from Tennessee by Picture | 0 | - | 4.33 | 27,476 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,525 |
| Famous People from Virginia by Picture | 0 | - | 4.18 | 24,286 |
| Famous People from Wisconsin | 0 | - | 4.03 | 6,863 |
| Events in U.S. History | 0 | - | 4.41 | 28,832 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,842 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,568 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,410 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,313 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,690 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,768 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 65,015 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,455 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.74 | 64,045 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,829 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,732 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,995 |
| The Only American Country ... | 0 | - | 4.92 | 122,240 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,690 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,622 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,665 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,624 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,394 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 54,552 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,730 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,661 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,806 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 37,012 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,737 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,907 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,852 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,993 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,973 |
| Names of Generations | 0 | - | 4.09 | 45,543 |
| American Legal Vocabulary | 0 | - | 4.40 | 34,025 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,739 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,301 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,480 |
| American Founding Fathers | 0 | - | 4.42 | 23,274 |
| Musical Acts from Los Angeles by Two Songs | 0 | - | 4.27 | 16,326 |
| Movies Set in San Francisco | 0 | - | 4.23 | 19,960 |
| Movies Set in Miami | 0 | - | 4.32 | 16,715 |
| Famous People from Georgia by Picture | 0 | - | 3.67 | 22,150 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,055 |
| Movies and TV Shows Set in Boston | 0 | - | 4.17 | 9,800 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,076 |
| New York City Geography | 0 | - | 4.43 | 33,190 |
| People on Money - United States | 0 | - | 4.31 | 63,436 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,592 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 45,229 |
| Regions of U.S. States | 0 | - | 4.37 | 44,208 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,425 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,634 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 75,068 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,573 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,937 |
| Events by U.S. State #2 | 0 | - | 4.27 | 18,656 |
| Flyover States | 0 | - | 4.53 | 29,602 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,277 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,417 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,467 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,191 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,375 |
| Movies by State | 0 | - | 4.27 | 40,610 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,995 |
| People by U.S. State - Multiple Choice | 0 | - | 4.06 | 9,856 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.46 | 119,347 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,685 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,853 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,064 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,590 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,963 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,200 |
