| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,871 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,711 |
| US States Quiz | 0 | - | 5.00 | 16,769,969 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,057 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,521 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,970 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,686 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,082 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,660 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,535 |
| Pixelated United States Map | 0 | - | 4.89 | 93,778 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,935 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,200 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,689 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,286 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,870 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,863 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,288 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,524 |
| U.S. States By Population | 0 | - | 4.92 | 152,744 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,846 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,146 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,961 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,222 |
| US States with an Empty Map | 0 | - | 5.00 | 621,086 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,924 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,778 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,078 |
| California Pro Sport Teams | 0 | - | 4.19 | 22,664 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,037 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,366 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,172 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,246 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,443 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,274 |
| California Groups of Things | 0 | - | 4.25 | 45,332 |
| Los Angeles vs. New York | 0 | - | 4.41 | 19,748 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,241 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,496 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,181 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,038 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,467 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,676 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,660 |
| States of Mexico | 0 | - | 4.95 | 174,458 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,132 |
| Geography of California | 0 | - | 4.25 | 10,524 |
| Musical Acts from Los Angeles by Two Songs | 0 | - | 4.27 | 15,948 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,574 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,377 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,514 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,120 |
| United States Country Quiz | 0 | - | 4.43 | 100,980 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,712 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,221 |
| New York Groups of Things | 0 | - | 4.38 | 60,014 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,162 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,677 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,778 |
| Movies Set in San Francisco | 0 | - | 4.23 | 19,923 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,958 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,444 |
| United States Map Quiz | 0 | - | 4.98 | 4,147,550 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 745,016 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,380 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,834 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,743 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,717 |
| New York Pro Sport Teams | 0 | - | 4.32 | 25,833 |
| Texas Pro Sport Teams | 0 | - | 4.19 | 16,793 |
| History of Pennsylvania | 0 | - | 4.16 | 7,107 |
| History of Virginia | 0 | - | 4.31 | 11,572 |
| Washington State by Picture | 0 | - | 4.26 | 7,702 |
| New England States | 0 | - | 4.51 | 59,752 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,760 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,569 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,620 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,942 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,358 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,100 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,538 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,802 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,775 |
| U.S. States by Borders | 0 | - | 4.63 | 35,181 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,354 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,784 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,684 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,561 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,075 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,813 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,429 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,700 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,222 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,263 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,593 |
| Flags of North and South America | 0 | - | 4.99 | 369,781 |
| Belize Country Quiz | 0 | - | 4.85 | 20,868 |
| Top U.S. Universities | 0 | - | 4.15 | 144,467 |
| Largest United States Airlines | 0 | - | 4.39 | 54,913 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 41,542 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,482 |
| U.S. States by Governor | 0 | - | 4.43 | 18,011 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,614 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,598 |
| Famous People from Alabama by Picture | 0 | - | 4.07 | 23,996 |
| Famous People from Illinois by Picture | 0 | - | 4.03 | 20,100 |
| Famous People from Indiana by Picture | 0 | - | 4.36 | 24,938 |
| Famous People from Maryland by Picture | 0 | - | 4.23 | 16,798 |
| Famous People from Massachusetts by Picture | 0 | - | 4.29 | 24,430 |
| Famous People from Michigan by Picture | 0 | - | 4.30 | 21,333 |
| Famous People from New York by Picture | 0 | - | 4.03 | 27,404 |
| Famous Missourians | 0 | - | 4.12 | 6,385 |
| Famous People from New Jersey by Picture | 0 | - | 4.25 | 22,183 |
| Famous People from Texas by Picture | 0 | - | 3.99 | 33,309 |
| Famous People from Ohio by Picture | 0 | - | 4.03 | 17,647 |
| Famous People from Pennsylvania by Picture | 0 | - | 4.24 | 25,354 |
| Movies Set in Pennsylvania | 0 | - | 4.19 | 11,537 |
| Famous People from Tennessee by Picture | 0 | - | 4.35 | 27,262 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,195 |
| Famous People from Virginia by Picture | 0 | - | 4.18 | 24,172 |
| Famous People from Wisconsin | 0 | - | 4.03 | 6,812 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 53,565 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,445 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,673 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,372 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,537 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,585 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,179 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,552 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,624 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 73,725 |
| U.S. Geography by Letter - A | 0 | - | 4.38 | 62,693 |
| U.S. Geography by Letter - D | 0 | - | 4.08 | 56,682 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 49,358 |
| U.S. Geography by Letter - P | 0 | - | 4.36 | 47,803 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 52,940 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 40,790 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 38,923 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 39,712 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,515 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,838 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,427 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,002 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,253 |
| American Founding Fathers | 0 | - | 4.42 | 23,099 |
| Movies Set in Miami | 0 | - | 4.32 | 16,685 |
| Movies and TV Shows Set in Boston | 0 | - | 4.17 | 9,755 |
| New York City Geography | 0 | - | 4.42 | 33,010 |
| People on Money - United States | 0 | - | 4.31 | 63,256 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,329 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 44,806 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,707 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,485 |
| Flyover States | 0 | - | 4.52 | 29,443 |
| U.S. States With Double Letters | 0 | - | 4.54 | 24,002 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 75,960 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,259 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 37,019 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,144 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 118,694 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,399 |
| The Only American Country ... | 0 | - | 4.92 | 121,130 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,700 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,409 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,328 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,607 |
| States of Brazil | 0 | - | 4.97 | 87,016 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,176 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,760 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 19,169 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,131 |
| U.S. States by Picture #1 | 0 | - | 4.21 | 15,388 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,937 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,194 |
| Senators Who Ran For President | 0 | - | 4.24 | 17,013 |
| U.S. Electoral College Landslides | 0 | - | 4.35 | 22,011 |
| California Multiple Choice | 0 | - | 4.40 | 28,063 |
| San Francisco Trivia | 0 | - | 4.32 | 15,679 |
| San Francisco A-Z | 0 | - | 4.18 | 9,543 |
| Chicago City Trivia | 0 | - | 4.31 | 31,407 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,396 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,034 |
| Events in U.S. History | 0 | - | 4.40 | 28,560 |
| Regions of U.S. States | 0 | - | 4.37 | 43,632 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,356 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,518 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,811 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,868 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,239 |
| Movies by State | 0 | - | 4.27 | 40,485 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 38,997 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 38,104 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.49 | 28,772 |
| U.S. States with the Most Venomous Snake Species | 0 | - | 4.47 | 26,352 |
| U.S. States with the Most Endangered Species | 0 | - | 4.50 | 14,336 |
| African-American Historical Figures | 0 | - | 4.18 | 17,153 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,693 |
| Canada Country Quiz | 0 | - | 4.55 | 132,029 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,834 |
| Canada A-Z | 0 | - | 4.73 | 32,715 |
