| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,801 |
| US States Quiz | 0 | - | 5.00 | 17,016,602 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,834 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,568 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,527 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,695 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,914 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,142 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,060 |
| Pixelated United States Map | 0 | - | 4.89 | 94,905 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,692 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,555 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,935 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,152 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,392 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,424 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,472 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,515 |
| U.S. States By Population | 0 | - | 4.92 | 154,223 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,342 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,952 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,584 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,182 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,200 |
| US States with an Empty Map | 0 | - | 5.00 | 629,408 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,427 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,356 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,844 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,427 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,562 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,089 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,345 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,552 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 70,120 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 58,476 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 750,205 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,149 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,553 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,773 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,964 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,626 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,964 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,247 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,943 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,314 |
| States of Mexico | 0 | - | 4.96 | 178,609 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,754 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,913 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,671 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,722 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,675 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,448 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 54,594 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,768 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,706 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,849 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 37,056 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,783 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,852 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,790 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,690 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,292 |
| American Legal Vocabulary | 0 | - | 4.40 | 34,035 |
| United States Country Quiz | 0 | - | 4.43 | 102,310 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,094 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,741 |
| California Groups of Things | 0 | - | 4.26 | 45,799 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,328 |
| New York Groups of Things | 0 | - | 4.39 | 72,334 |
| People on Money - United States | 0 | - | 4.31 | 63,446 |
| Canada A-Z | 0 | - | 4.73 | 32,988 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,660 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,610 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,245 |
| Georgia ... or Georgia? | 0 | - | 4.68 | 77,085 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,085 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,685 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,172 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,260 |
| Geography of California | 0 | - | 4.26 | 10,694 |
| California Pro Sport Teams | 0 | - | 4.19 | 22,718 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,676 |
| New York Pro Sport Teams | 0 | - | 4.32 | 25,969 |
| Texas Pro Sport Teams | 0 | - | 4.19 | 16,862 |
| History of Pennsylvania | 0 | - | 4.16 | 7,171 |
| History of Virginia | 0 | - | 4.33 | 11,647 |
| Washington State by Picture | 0 | - | 4.26 | 7,763 |
| New England States | 0 | - | 4.51 | 59,908 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,178 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,159 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,106 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,133 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,677 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.70 | 61,450 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,202 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,327 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,177 |
| U.S. States by Borders | 0 | - | 4.61 | 35,509 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,709 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,386 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,973 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,190 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,475 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,995 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,583 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,849 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,542 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,382 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 18,151 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,990 |
| Flags of North and South America | 0 | - | 4.99 | 377,883 |
| U.S. Geography by Letter - N | 0 | - | 3.80 | 53,186 |
| U.S. Geography by Letter - E | 0 | - | 3.75 | 49,223 |
| U.S. Geography by Letter - F | 0 | - | 3.85 | 45,501 |
| U.S. Geography by Letter - O | 0 | - | 3.52 | 41,973 |
| Belize Country Quiz | 0 | - | 4.85 | 21,112 |
| Top U.S. Universities | 0 | - | 4.15 | 145,954 |
| Largest United States Airlines | 0 | - | 4.39 | 55,180 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 53,096 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,909 |
| U.S. States by Governor | 0 | - | 4.43 | 18,120 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,780 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,795 |
| Famous People from Alabama by Picture | 0 | - | 4.07 | 24,141 |
| Los Angeles vs. New York | 0 | - | 4.41 | 20,062 |
| Famous People from Illinois by Picture | 0 | - | 4.03 | 20,243 |
| Famous People from Indiana by Picture | 0 | - | 4.36 | 25,199 |
| Famous People from Maryland by Picture | 0 | - | 4.23 | 16,935 |
| Famous People from Massachusetts by Picture | 0 | - | 4.29 | 24,674 |
| Famous People from Michigan by Picture | 0 | - | 4.30 | 21,515 |
| Famous People from New York by Picture | 0 | - | 4.03 | 27,638 |
| Famous Missourians | 0 | - | 4.12 | 6,439 |
| Famous People from New Jersey by Picture | 0 | - | 4.25 | 22,370 |
| Famous People from Texas by Picture | 0 | - | 4.00 | 33,478 |
| Famous People from Ohio by Picture | 0 | - | 4.03 | 17,753 |
| Famous People from Pennsylvania by Picture | 0 | - | 4.24 | 25,548 |
| Movies Set in Pennsylvania | 0 | - | 4.19 | 11,583 |
| Famous People from Tennessee by Picture | 0 | - | 4.33 | 27,495 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,564 |
| Famous People from Virginia by Picture | 0 | - | 4.18 | 24,295 |
| Famous People from Wisconsin | 0 | - | 4.03 | 6,867 |
| Events in U.S. History | 0 | - | 4.41 | 28,848 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,895 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,573 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,460 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,704 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,780 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 65,046 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,473 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.74 | 64,088 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,841 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,029 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,751 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,322 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,583 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,491 |
| American Founding Fathers | 0 | - | 4.42 | 23,278 |
| Musical Acts from Los Angeles by Two Songs | 0 | - | 4.27 | 16,353 |
| Movies Set in San Francisco | 0 | - | 4.23 | 19,963 |
| Movies Set in Miami | 0 | - | 4.32 | 16,721 |
| Movies and TV Shows Set in Boston | 0 | - | 4.17 | 9,800 |
| New York City Geography | 0 | - | 4.43 | 33,197 |
| Washington... or Washington D.C.? | 0 | - | 4.33 | 26,594 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,615 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 45,250 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 75,089 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,578 |
| Flyover States | 0 | - | 4.53 | 29,609 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,295 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,448 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,477 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,201 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 129,027 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.46 | 119,374 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,700 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,114 |
| The Only American Country ... | 0 | - | 4.92 | 122,325 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,752 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,932 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,967 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 54,998 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,706 |
| States of Brazil | 0 | - | 4.98 | 89,983 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,945 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 19,239 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,037 |
| Names of Generations | 0 | - | 4.09 | 45,582 |
| U.S. States by Picture #1 | 0 | - | 4.21 | 15,521 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,226 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,351 |
| Senators Who Ran For President | 0 | - | 4.24 | 17,091 |
| U.S. Electoral College Landslides | 0 | - | 4.35 | 22,097 |
| Chicago City Trivia | 0 | - | 4.31 | 31,533 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,155 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,079 |
| Regions of U.S. States | 0 | - | 4.37 | 44,238 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,430 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,638 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,942 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,975 |
