| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,159 |
| US States Quiz | 0 | - | 5.00 | 16,852,467 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,812 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,865 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,453 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,325 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,591 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,837 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,491 |
| Pixelated United States Map | 0 | - | 4.87 | 94,160 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,498 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,631 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,660 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,743 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,275 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,304 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,834 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,096 |
| U.S. States By Population | 0 | - | 4.92 | 153,457 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,312 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,379 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,212 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,150 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,538 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,135 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,271 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,792 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,484 |
| US States with an Empty Map | 0 | - | 5.00 | 623,888 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,668 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,401 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,879 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,035 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,858 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,652 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,573 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,517 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,898 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,859 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,869 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,870 |
| States of Mexico | 0 | - | 4.95 | 175,757 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,602 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,827 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,703 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,721 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,462 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,481 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,573 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,163 |
| United States Country Quiz | 0 | - | 4.43 | 101,420 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,855 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,313 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,170 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,929 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,361 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,832 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 746,673 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,028 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,952 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,320 |
| New England States | 0 | - | 4.51 | 59,795 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,771 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,999 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,757 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,956 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,893 |
| U.S. States by Borders | 0 | - | 4.61 | 35,280 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,457 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,996 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,197 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,738 |
| United States Map Quiz | 0 | - | 4.98 | 4,155,698 |
| California Pro Sport Teams | 0 | - | 4.19 | 22,679 |
| Chicago City Trivia | 0 | - | 4.31 | 31,439 |
| Texas Pro Sport Teams | 0 | - | 4.19 | 16,816 |
| History of Pennsylvania | 0 | - | 4.16 | 7,133 |
| History of Virginia | 0 | - | 4.31 | 11,593 |
| Washington State by Picture | 0 | - | 4.26 | 7,727 |
| Flags of North and South America | 0 | - | 4.99 | 372,515 |
| Belize Country Quiz | 0 | - | 4.85 | 20,953 |
| Top U.S. Universities | 0 | - | 4.15 | 144,992 |
| Largest United States Airlines | 0 | - | 4.39 | 55,009 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 42,077 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,626 |
| U.S. States by Governor | 0 | - | 4.43 | 18,054 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,683 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,662 |
| Famous People from Illinois by Picture | 0 | - | 4.03 | 20,136 |
| Famous People from Indiana by Picture | 0 | - | 4.36 | 25,010 |
| Famous People from Maryland by Picture | 0 | - | 4.23 | 16,833 |
| Famous People from Massachusetts by Picture | 0 | - | 4.29 | 24,483 |
| Famous Missourians | 0 | - | 4.12 | 6,405 |
| Famous People from New Jersey by Picture | 0 | - | 4.25 | 22,238 |
| North Carolina... or South Carolina? | 0 | - | 4.21 | 10,523 |
| Famous People from Ohio by Picture | 0 | - | 4.03 | 17,677 |
| Famous People from Pennsylvania by Picture | 0 | - | 4.24 | 25,419 |
| Movies Set in Pennsylvania | 0 | - | 4.19 | 11,556 |
| Famous People from Tennessee by Picture | 0 | - | 4.33 | 27,330 |
| Famous People from Virginia by Picture | 0 | - | 4.18 | 24,201 |
| Famous People from Wisconsin | 0 | - | 4.03 | 6,824 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,884 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,754 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,452 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,170 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,033 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,488 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,951 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,767 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,761 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,496 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,614 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,866 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,713 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,279 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,725 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,482 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,755 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,685 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,467 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,294 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,039 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,038 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,030 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 49,729 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 53,618 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,296 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,085 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,258 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,077 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,691 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,899 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,528 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,104 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,342 |
| American Founding Fathers | 0 | - | 4.42 | 23,216 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,402 |
| California Groups of Things | 0 | - | 4.25 | 45,450 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,254 |
| Movies and TV Shows Set in Boston | 0 | - | 4.17 | 9,771 |
| New York Groups of Things | 0 | - | 4.35 | 63,440 |
| New York City Geography | 0 | - | 4.42 | 33,075 |
| Washington... or Washington D.C.? | 0 | - | 4.33 | 26,515 |
| People on Money - United States | 0 | - | 4.31 | 63,332 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,430 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 45,023 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,816 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,511 |
| Flyover States | 0 | - | 4.52 | 29,497 |
| U.S. States With Double Letters | 0 | - | 4.54 | 24,099 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 76,103 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,328 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,088 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,316 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 119,062 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,492 |
| The Only American Country ... | 0 | - | 4.92 | 121,497 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,029 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,415 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,305 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,402 |
| Names of Generations | 0 | - | 4.09 | 44,638 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,050 |
| Regions of U.S. States | 0 | - | 4.37 | 43,829 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,377 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,564 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,841 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,281 |
| Movies by State | 0 | - | 4.27 | 40,532 |
| Canada Country Quiz | 0 | - | 4.54 | 132,407 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 124,128 |
| Canada A-Z | 0 | - | 4.73 | 32,798 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,363 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,740 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,069 |
| U.S. Geography by Letter - N | 0 | - | 3.80 | 52,725 |
| U.S. Geography by Letter - E | 0 | - | 3.75 | 48,741 |
| U.S. Geography by Letter - F | 0 | - | 3.87 | 44,994 |
| U.S. Geography by Letter - O | 0 | - | 3.52 | 41,469 |
| U.S. Geography by Letter - R | 0 | - | 4.18 | 30,979 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,379 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,780 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,971 |
| States of Brazil | 0 | - | 4.97 | 87,811 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,682 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,156 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,127 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 19,192 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,135 |
| U.S. Five-Star Generals and Admirals | 0 | - | 4.33 | 8,328 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,314 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,683 |
| U.S. States by Picture #1 | 0 | - | 4.21 | 15,425 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,644 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,645 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,669 |
| Senators Who Ran For President | 0 | - | 4.24 | 17,036 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.14 | 26,143 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.10 | 15,511 |
| U.S. Electoral College Landslides | 0 | - | 4.35 | 22,033 |
