| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 62,796 |
| US States Quiz | 0 | - | 5.00 | 16,091,139 |
| U.S. National Parks Quiz | 0 | - | 4.82 | 51,955 |
| Total United States Immigration by Country | 0 | - | 4.90 | 106,081 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 168,511 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.96 | 213,234 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 71,125 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 358,154 |
| Pixelated United States Map | 0 | - | 4.90 | 89,864 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 103,502 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 86,997 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 184,913 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 112,366 |
| U.S. States with the Letter Y | 0 | - | 4.84 | 106,280 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 108,402 |
| U.S. States with Short Names | 0 | - | 4.90 | 142,679 |
| U.S. States that Start with M | 0 | - | 4.93 | 180,160 |
| U.S. States By Population | 0 | - | 4.90 | 138,192 |
| U.S. States that Start with N | 0 | - | 4.95 | 165,909 |
| U.S. States with Longest Names | 0 | - | 4.87 | 41,455 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 84,550 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 61,965 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 62,377 |
| US States with an Empty Map | 0 | - | 5.00 | 599,898 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 37,611 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 313,368 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 141,547 |
| Countries that Beat the United States | 0 | - | 4.93 | 159,781 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 43,557 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 97,405 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 79,208 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 89,469 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 126,627 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 200,233 |
| Top 10 Coldest U.S. States | 0 | - | 4.93 | 119,845 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 120,421 |
| Top 10 Most Native American U.S. States | 0 | - | 4.85 | 87,434 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.81 | 60,172 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 58,406 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 70,017 |
| Georgia ... or Georgia? | 0 | - | 4.69 | 75,092 |
| States of Mexico | 0 | - | 4.93 | 161,763 |
| Mexico States Map Quiz | 0 | - | 4.82 | 99,406 |
| Florida Pro Sport Teams | 0 | - | 4.68 | 11,351 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.89 | 25,893 |
| U.S. State Nicknames Quiz | 0 | - | 4.49 | 48,984 |
| Countries with American Expatriates | 0 | - | 4.55 | 42,032 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 39,588 |
| United States Country Quiz | 0 | - | 4.45 | 97,031 |
| Busiest Air Routes from the U.S. | 0 | - | 4.47 | 75,567 |
| Famous People from Illinois by Picture | 0 | - | 4.03 | 19,740 |
| Countries Closest to Canada | 0 | - | 4.90 | 193,358 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.74 | 58,400 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 65,196 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 49,575 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.18 | 729,218 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 203,418 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 78,766 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 66,477 |
| New England States | 0 | - | 4.51 | 59,274 |
| US States by Land Area | 0 | - | 4.56 | 51,245 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,462 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 80,624 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 54,252 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.78 | 39,673 |
| U.S. States by Borders | 0 | - | 4.61 | 34,234 |
| 10 Easternmost U.S. States | 0 | - | 4.55 | 55,247 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 85,903 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.47 | 42,992 |
| Countries that Beat Canada | 0 | - | 4.90 | 84,498 |
| Asian Last Names in the United States | 0 | - | 4.43 | 45,616 |
| United States Map Quiz | 0 | - | 4.98 | 4,078,738 |
| California Pro Sport Teams | 0 | - | 4.23 | 22,498 |
| Texas Pro Sport Teams | 0 | - | 4.18 | 16,592 |
| History of Pennsylvania | 0 | - | 4.14 | 6,922 |
| History of Virginia | 0 | - | 4.34 | 11,384 |
| Washington State by Picture | 0 | - | 4.24 | 7,511 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 51,538 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.69 | 63,809 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.74 | 55,648 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 54,390 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,560 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 44,776 |
| Longest U.S. State Borders | 0 | - | 4.63 | 37,785 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,296 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 37,928 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,267 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 110,896 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 61,915 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 340,157 |
| Belize Country Quiz | 0 | - | 4.87 | 20,196 |
| Top U.S. Universities | 0 | - | 4.15 | 139,310 |
| Largest United States Airlines | 0 | - | 4.38 | 53,913 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 112,044 |
| U.S. States by Governor Quiz | 0 | - | 4.42 | 17,641 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,153 |
| U.S. Government Agencies | 0 | - | 4.44 | 18,996 |
| Famous People from Indiana by Picture | 0 | - | 4.33 | 24,248 |
| Famous People from Maryland by Picture | 0 | - | 4.23 | 16,415 |
| Famous People from Massachusetts by Picture | 0 | - | 4.29 | 23,898 |
| Famous Missourians Quiz | 0 | - | 4.12 | 6,258 |
| Famous People from New Jersey by Picture | 0 | - | 4.21 | 21,708 |
| North Carolina... or South Carolina? | 0 | - | 4.19 | 10,289 |
| Famous People from Ohio by Picture | 0 | - | 4.03 | 17,382 |
| Famous People from Pennsylvania by Picture | 0 | - | 4.23 | 24,789 |
| Movies Set in Pennsylvania | 0 | - | 4.19 | 11,409 |
| Famous People from Tennessee by Picture | 0 | - | 4.35 | 26,641 |
| Famous People from Virginia by Picture | 0 | - | 4.22 | 23,821 |
| U.S. Geography by Letter - C | 0 | - | 4.26 | 70,415 |
| U.S. Geography by Letter - A | 0 | - | 4.34 | 59,197 |
| U.S. Geography by Letter - D | 0 | - | 4.08 | 53,301 |
| U.S. Geography by Letter - T | 0 | - | 4.27 | 46,627 |
| U.S. Geography by Letter - P | 0 | - | 4.33 | 44,733 |
| U.S. Geography by Letter - M | 0 | - | 4.19 | 43,796 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,281 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 33,580 |
| Cities by Picture #2 | 0 | - | 4.18 | 34,250 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 36,242 |
| Biggest Trading Partners - US | 0 | - | 4.63 | 105,203 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 41,528 |
| Famous People from California by Picture | 0 | - | 4.30 | 34,964 |
| California Groups of Things | 0 | - | 4.24 | 44,610 |
| Hawaiian Islands Map Quiz | 0 | - | 4.77 | 21,915 |
| Movies Set in Boston | 0 | - | 4.17 | 9,578 |
| New York Groups of Things | 0 | - | 4.37 | 59,210 |
| Famous People from Texas by Picture | 0 | - | 4.03 | 32,842 |
| Washington... or Washington D.C.? | 0 | - | 4.33 | 26,091 |
| People on Money - United States | 0 | - | 4.32 | 62,793 |
| U.S. History Groups of Two | 0 | - | 4.23 | 43,543 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.19 | 43,829 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 73,483 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.50 | 21,192 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.44 | 48,930 |
| Flyover States | 0 | - | 4.52 | 28,983 |
| U.S. States With Double Letters | 0 | - | 4.65 | 23,121 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 74,538 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 38,708 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 36,515 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,119 |
| Name a Valid U.S. State #2 | 0 | - | 4.62 | 74,568 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 47,176 |
| U.S. State Superlatives #1 | 0 | - | 4.46 | 77,597 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 39,055 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 125,824 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 63,216 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 116,607 |
| Top 10 Least Religious U.S. States | 0 | - | 4.50 | 33,262 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 45,301 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.78 | 61,962 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 40,938 |
| The Only American Country ... | 0 | - | 4.92 | 117,018 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 107,308 |
| U.S. State Border Crossings | 0 | - | 4.96 | 87,500 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 233,344 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 71,906 |
| Movies Set in Chicago Quiz | 0 | - | 4.45 | 27,900 |
| Who Did that Motown Song | 0 | - | 4.48 | 12,920 |
| Regions of US States | 0 | - | 4.16 | 32,308 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,168 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,399 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 19,872 |
| Movies by State Quiz | 0 | - | 4.24 | 40,125 |
| Canada Country Quiz | 0 | - | 4.53 | 128,420 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 121,196 |
| Canada A-Z | 0 | - | 4.70 | 32,007 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 88,382 |
| Mexico Country Quiz | 0 | - | 4.49 | 70,199 |
| Mexico Cities Map Quiz | 0 | - | 4.74 | 32,546 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.91 | 48,557 |
| Brazil States Map Quiz | 0 | - | 4.84 | 45,029 |
| States of Brazil | 0 | - | 4.98 | 80,454 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.06 | 18,981 |
| U.S. States by Picture #1 | 0 | - | 4.17 | 15,048 |
| Most-Visited U.S. Cities | 0 | - | 4.88 | 86,003 |
| Every U.S. Metro Area on a Map | 0 | - | 4.96 | 76,670 |
| Senators Who Ran For President | 0 | - | 4.28 | 16,784 |
| U.S. Electoral College Landslides | 0 | - | 4.34 | 21,688 |
| Geography of California | 0 | - | 4.23 | 10,241 |
| New York Pro Sport Teams | 0 | - | 4.32 | 25,458 |
| Events in U.S. History | 0 | - | 4.40 | 27,748 |
| Events by U.S. State #1 | 0 | - | 4.42 | 22,540 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 38,308 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 37,187 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.51 | 28,422 |
| U.S. States with the Most Venomous Snake Species | 0 | - | 4.47 | 25,942 |
| U.S. States with the Most Endangered Species | 0 | - | 4.50 | 14,192 |
| African-American Historical Figures | 0 | - | 4.18 | 16,858 |
| Canadian Prime Ministers Quiz | 0 | - | 4.63 | 54,927 |
| Capitals of Canadian Provinces | 0 | - | 4.87 | 84,941 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 38,772 |
| U.S. States With No City Over 100,000 | 0 | - | 4.55 | 17,165 |
| Canada or Africa by Area | 0 | - | 4.65 | 16,941 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 87,019 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 74,231 |
| U.S. Geography by Letter - N | 0 | - | 3.77 | 43,362 |
| U.S. Geography by Letter - E | 0 | - | 3.73 | 45,654 |
| U.S. Geography by Letter - F | 0 | - | 3.81 | 36,004 |
| U.S. Geography by Letter - O | 0 | - | 3.40 | 31,891 |
| U.S. Geography by Letter - L | 0 | - | 4.00 | 32,135 |
| U.S. Geography by Letter - G | 0 | - | 4.05 | 30,243 |
