| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,623 |
| US States Quiz | 0 | - | 5.00 | 16,700,742 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,258 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,952 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,662 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,152 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,911 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,526 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,995 |
| Pixelated United States Map | 0 | - | 4.89 | 93,478 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,462 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,853 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,254 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,732 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,359 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,413 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,668 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,906 |
| U.S. States By Population | 0 | - | 4.92 | 152,368 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,403 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,866 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,553 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,765 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,880 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,806 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,418 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,578 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,583 |
| US States with an Empty Map | 0 | - | 5.00 | 618,829 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,094 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,933 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,714 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,940 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,589 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,196 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,704 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,867 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,658 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,066 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,552 |
| Movies and TV Shows Set in Boston | 0 | - | 4.17 | 9,737 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,493 |
| States of Mexico | 0 | - | 4.95 | 173,339 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,788 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,752 |
| Georgia ... or Georgia? | 0 | - | 4.69 | 76,419 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,263 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,476 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,076 |
| United States Country Quiz | 0 | - | 4.43 | 100,582 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,601 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,135 |
| California Groups of Things | 0 | - | 4.25 | 45,266 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,204 |
| Famous People from Massachusetts by Picture | 0 | - | 4.29 | 24,371 |
| New York Groups of Things | 0 | - | 4.38 | 59,942 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,360 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,652 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,536 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,076 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 743,204 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,862 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,737 |
| New England States | 0 | - | 4.51 | 59,707 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,475 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,883 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,314 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,641 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,664 |
| U.S. States by Borders | 0 | - | 4.63 | 35,069 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,240 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,138 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 43,991 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,509 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,818 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,317 |
| Geography of California | 0 | - | 4.25 | 10,501 |
| California Pro Sport Teams | 0 | - | 4.19 | 22,649 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,446 |
| New York Pro Sport Teams | 0 | - | 4.32 | 25,801 |
| Texas Pro Sport Teams | 0 | - | 4.19 | 16,776 |
| History of Pennsylvania | 0 | - | 4.16 | 7,087 |
| History of Virginia | 0 | - | 4.31 | 11,556 |
| Washington State by Picture | 0 | - | 4.26 | 7,683 |
| Flags of North and South America | 0 | - | 4.99 | 367,207 |
| Belize Country Quiz | 0 | - | 4.85 | 20,806 |
| Top U.S. Universities | 0 | - | 4.15 | 144,079 |
| Largest United States Airlines | 0 | - | 4.39 | 54,836 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 39,732 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,345 |
| U.S. States by Governor | 0 | - | 4.43 | 17,984 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,573 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,546 |
| Famous People from Alabama by Picture | 0 | - | 4.07 | 23,954 |
| Los Angeles vs. New York | 0 | - | 4.41 | 19,640 |
| Famous People from Illinois by Picture | 0 | - | 4.03 | 20,071 |
| Famous People from Indiana by Picture | 0 | - | 4.35 | 24,858 |
| Famous People from Maryland by Picture | 0 | - | 4.23 | 16,755 |
| Famous People from Michigan by Picture | 0 | - | 4.30 | 21,294 |
| Famous People from New York by Picture | 0 | - | 4.03 | 27,353 |
| Famous Missourians | 0 | - | 4.12 | 6,371 |
| Famous People from New Jersey by Picture | 0 | - | 4.25 | 22,132 |
| Famous People from Texas by Picture | 0 | - | 3.99 | 33,259 |
| Famous People from Ohio by Picture | 0 | - | 4.03 | 17,613 |
| Famous People from Pennsylvania by Picture | 0 | - | 4.24 | 25,305 |
| Movies Set in Pennsylvania | 0 | - | 4.19 | 11,528 |
| Famous People from Tennessee by Picture | 0 | - | 4.35 | 27,207 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,088 |
| Famous People from Virginia by Picture | 0 | - | 4.18 | 24,139 |
| Famous People from Wisconsin | 0 | - | 4.03 | 6,794 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,663 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,410 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,277 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,029 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.46 | 52,030 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,416 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,483 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,928 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,695 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,581 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,385 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,272 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,480 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,769 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,429 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,088 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,406 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,391 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,665 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,562 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,034 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,228 |
| U.S. Geography by Letter - C | 0 | - | 4.26 | 73,346 |
| U.S. Geography by Letter - A | 0 | - | 4.38 | 62,320 |
| U.S. Geography by Letter - D | 0 | - | 4.08 | 56,316 |
| U.S. Geography by Letter - T | 0 | - | 4.27 | 49,006 |
| U.S. Geography by Letter - P | 0 | - | 4.34 | 47,389 |
| U.S. Geography by Letter - M | 0 | - | 4.13 | 52,605 |
| U.S. Geography by Letter - L | 0 | - | 4.03 | 40,363 |
| U.S. Geography by Letter - G | 0 | - | 4.12 | 38,607 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 39,340 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,377 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,792 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 34,354 |
| Cities by Picture #2 | 0 | - | 4.19 | 34,937 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,166 |
| American Founding Fathers | 0 | - | 4.41 | 23,074 |
| Musical Acts from Los Angeles by Two Songs | 0 | - | 4.27 | 15,837 |
| Movies Set in San Francisco | 0 | - | 4.23 | 19,907 |
| Movies Set in Miami | 0 | - | 4.32 | 16,672 |
| New York City Geography | 0 | - | 4.42 | 32,934 |
| People on Money - United States | 0 | - | 4.31 | 63,205 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,240 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 44,731 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,610 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,463 |
| Flyover States | 0 | - | 4.52 | 29,397 |
| U.S. States With Double Letters | 0 | - | 4.54 | 23,916 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 75,812 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,193 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 36,980 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 127,993 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 118,559 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,313 |
| The Only American Country ... | 0 | - | 4.92 | 120,759 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,341 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,960 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,326 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,869 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,072 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,019 |
| Regions of U.S. States | 0 | - | 4.37 | 43,471 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,341 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,493 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,763 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,195 |
| Movies by State | 0 | - | 4.27 | 40,444 |
| Canada Country Quiz | 0 | - | 4.54 | 131,711 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,609 |
| Canada A-Z | 0 | - | 4.73 | 32,648 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,072 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,095 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,087 |
| U.S. Geography by Letter - N | 0 | - | 3.79 | 52,161 |
| U.S. Geography by Letter - E | 0 | - | 3.73 | 48,199 |
| U.S. Geography by Letter - F | 0 | - | 3.86 | 44,448 |
| U.S. Geography by Letter - O | 0 | - | 3.43 | 33,795 |
| U.S. Geography by Letter - R | 0 | - | 4.15 | 30,269 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,975 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,314 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,962 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,383 |
| States of Brazil | 0 | - | 4.98 | 86,384 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,316 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,447 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,533 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 19,157 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,273 |
| U.S. Five-Star Generals and Admirals | 0 | - | 4.33 | 8,302 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,731 |
