| Hawaiian Islands Map Quiz | 0 | - | 4.88 | 21,162 |
| US States Quiz | 0 | - | 5.00 | 14,887,943 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 341,812 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 55,371 |
| Total United States Immigration by Country | 0 | - | 4.89 | 97,479 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 148,286 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 187,248 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 67,919 |
| Pixelated United States Map | 0 | - | 4.90 | 82,964 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 94,431 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 79,594 |
| Deadliest U.S. Wars | 0 | - | 4.83 | 159,189 |
| The 13 Colonies Quiz | 0 | - | 4.96 | 101,252 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 97,021 |
| 10 Southernmost U.S. States | 0 | - | 4.84 | 100,115 |
| U.S. States with Short Names | 0 | - | 4.87 | 131,137 |
| U.S. States that Start with M | 0 | - | 4.91 | 151,702 |
| U.S. States By Population | 0 | - | 4.90 | 130,876 |
| U.S. States that Start with N | 0 | - | 4.95 | 156,366 |
| U.S. States with Longest Names | 0 | - | 4.85 | 36,448 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 78,466 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 58,730 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 56,645 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 35,259 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 278,494 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 125,522 |
| Countries that Beat the United States | 0 | - | 4.92 | 147,090 |
| Louisiana Purchase with a Map | 0 | - | 4.95 | 36,815 |
| US States with an Empty Map | 0 | - | 5.00 | 559,177 |
| U.S. States with the Longest International Borders | 0 | - | 4.81 | 41,706 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 90,287 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 73,830 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 72,168 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 116,740 |
| Famous People from California by Picture | 0 | - | 4.31 | 32,171 |
| 10 Closest Megacities to New York City | 0 | - | 4.51 | 64,494 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 186,461 |
| Top 10 Coldest U.S. States | 0 | - | 4.91 | 101,148 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 101,667 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 71,969 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 57,314 |
| Movies Set in San Francisco | 0 | - | 4.18 | 19,547 |
| States of Mexico | 0 | - | 4.95 | 143,507 |
| Mexico States Map Quiz | 0 | - | 4.84 | 91,375 |
| Geography of California | 0 | - | 4.23 | 9,714 |
| U.S. State Nicknames Quiz | 0 | - | 4.48 | 46,503 |
| U.S. National Parks Quiz | 0 | - | 4.78 | 47,289 |
| Countries with American Expatriates | 0 | - | 4.58 | 41,064 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,478 |
| United States Country Quiz | 0 | - | 4.44 | 90,091 |
| Busiest Air Routes from the U.S. | 0 | - | 4.47 | 72,861 |
| California Groups of Things | 0 | - | 4.23 | 43,043 |
| New York Groups of Things | 0 | - | 4.39 | 57,499 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.78 | 57,638 |
| Famous People from Texas by Picture | 0 | - | 4.04 | 31,728 |
| Countries Closest to Canada | 0 | - | 4.90 | 185,418 |
| Asian Last Names in the United States | 0 | - | 4.41 | 43,552 |
| Canada or Africa by Area | 0 | - | 4.81 | 14,068 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.18 | 704,804 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 199,414 |
| U.S. Federal Agency Acronyms | 0 | - | 4.51 | 76,356 |
| Musical Acts from Los Angeles Quiz | 0 | - | 4.24 | 12,731 |
| Who Did that Motown Song | 0 | - | 4.45 | 12,694 |
| Six Flags Over Texas | 0 | - | 4.84 | 59,116 |
| New England States | 0 | - | 4.52 | 52,512 |
| US States by Land Area | 0 | - | 4.54 | 48,761 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 36,331 |
| Add a Letter - Make a U.S. State | 0 | - | 4.75 | 76,971 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 51,424 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.78 | 37,516 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 53,207 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 82,955 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.47 | 40,735 |
| United States Map Quiz | 0 | - | 4.98 | 3,921,351 |
| Countries Closest to Alaska | 0 | - | 4.92 | 99,863 |
| Countries Closest to Maine | 0 | - | 4.85 | 59,530 |
| New York Pro Sport Teams | 0 | - | 4.30 | 24,687 |
| Georgia ... or Georgia? | 0 | - | 4.79 | 72,349 |
| Belize Country Quiz | 0 | - | 4.88 | 18,940 |
| Top U.S. Universities | 0 | - | 4.12 | 114,167 |
| Largest United States Airlines | 0 | - | 4.38 | 52,230 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.52 | 34,256 |
| Biggest Trading Partners - US | 0 | - | 4.63 | 102,092 |
| U.S. States by Governor Quiz | 0 | - | 4.42 | 17,010 |
| U.S. Political Parties in History | 0 | - | 4.43 | 26,262 |
| U.S. Government Agencies | 0 | - | 4.41 | 17,796 |
| Famous People from Alabama by Picture | 0 | - | 4.03 | 22,805 |
| State Quiz - California | 0 | - | 4.65 | 57,161 |
| Florida Pro Sport Teams | 0 | - | 4.66 | 10,452 |
| Hawaiian Islands | 0 | - | 4.85 | 38,687 |
| Famous People from Michigan by Picture | 0 | - | 4.25 | 19,709 |
| Famous People from New York by Picture | 0 | - | 4.02 | 25,604 |
| U.S. States that Border Tennessee | 0 | - | 4.84 | 57,981 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 49,407 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.69 | 60,325 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.75 | 54,223 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 53,090 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.44 | 47,805 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 69,966 |
| Longest U.S. State Borders | 0 | - | 4.59 | 34,631 |
| U.S. State Superlatives #1 | 0 | - | 4.46 | 75,730 |
| U.S. State Superlatives #2 | 0 | - | 4.51 | 37,506 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 58,444 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.54 | 60,908 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.79 | 58,899 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 31,845 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 39,533 |
| U.S. States with the Fewest Borders | 0 | - | 4.75 | 106,260 |
| U.S. States with the Most Borders | 0 | - | 4.56 | 61,160 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 107,821 |
| American Legal Vocabulary | 0 | - | 4.40 | 32,276 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 31,933 |
| Cities by Picture #2 | 0 | - | 4.22 | 32,589 |
| The U.S. Government - How Does it Work? | 0 | - | 4.32 | 40,039 |
| ALL California Cities | 0 | - | 4.36 | 39,439 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.40 | 56,005 |
| Movies Set in Miami | 0 | - | 4.31 | 16,300 |
| People on Money - United States | 0 | - | 4.31 | 61,896 |
| U.S. History Groups of Two | 0 | - | 4.28 | 35,526 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 41,495 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.34 | 71,119 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.49 | 20,570 |
| Flyover States | 0 | - | 4.51 | 28,101 |
| U.S. States With Double Letters | 0 | - | 4.67 | 4,422 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.30 | 58,120 |
| U.S. States by Borders | 0 | - | 4.56 | 26,490 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 37,550 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 35,471 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.38 | 121,325 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 103,740 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.49 | 35,257 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 313,218 |
| The Only American Country ... | 0 | - | 4.94 | 110,642 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 101,603 |
| U.S. State Border Crossings | 0 | - | 4.96 | 82,663 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 223,211 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.84 | 34,169 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 65,937 |
| Cities and Towns of Massachusetts | 0 | - | 4.90 | 61,412 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 19,812 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 27,575 |
| Which U.S. State - Multiple Choice | 0 | - | 4.45 | 19,062 |
| Movies by State Quiz | 0 | - | 4.23 | 39,459 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.60 | 31,210 |
| Canada Country Quiz | 0 | - | 4.54 | 122,177 |
| Canada Cities Map Quiz | 0 | - | 4.55 | 109,975 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 83,698 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.88 | 68,977 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 82,231 |
| Mexico Country Quiz | 0 | - | 4.48 | 66,893 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.91 | 40,890 |
| Brazil States Map Quiz | 0 | - | 4.83 | 40,243 |
| States of Brazil | 0 | - | 4.97 | 69,960 |
| Colombia Country Quiz | 0 | - | 4.89 | 35,473 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,195 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 18,476 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 142,061 |
| U.S. Five-Star Generals and Admirals | 0 | - | 4.38 | 7,902 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 70,294 |
| U.S. States by Picture #1 | 0 | - | 4.17 | 14,414 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 73,949 |
| 500 Biggest US Cities | 0 | - | 4.88 | 99,707 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 63,731 |
| Senators Who Ran For President | 0 | - | 4.28 | 16,339 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.11 | 25,155 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.08 | 14,809 |
| U.S. Electoral College Landslides | 0 | - | 4.33 | 21,066 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.17 | 10,146 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,201,524 |
| America the Beautiful Lyrics | 0 | - | 4.26 | 19,231 |
| American Founding Fathers | 0 | - | 4.36 | 22,139 |
| California Cities starting with SAN or SANTA | 0 | - | 4.25 | 11,084 |
| California Pro Sport Teams | 0 | - | 4.25 | 22,152 |
| Los Angeles vs. New York | 0 | - | 4.39 | 16,575 |
| Famous People from Florida by Picture | 0 | - | 3.86 | 18,623 |
| Famous People from Illinois by Picture | 0 | - | 4.02 | 18,945 |
| Chicago City Trivia | 0 | - | 4.26 | 30,459 |
| Famous People from Indiana by Picture | 0 | - | 4.32 | 22,869 |
| Famous People from Maryland by Picture | 0 | - | 4.16 | 15,599 |
| Famous People from Massachusetts by Picture | 0 | - | 4.25 | 22,768 |
| Musical Acts from New York City | 0 | - | 3.83 | 9,595 |
| Famous Missourians Quiz | 0 | - | 4.03 | 6,069 |
| Famous People from New Jersey by Picture | 0 | - | 4.16 | 20,661 |
| Movies Set in Texas | 0 | - | 3.72 | 9,490 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.85 | 22,140 |
| Texas Pro Sport Teams | 0 | - | 4.13 | 16,263 |
| North Carolina... or South Carolina? | 0 | - | 4.22 | 9,750 |
| Famous People from Ohio by Picture | 0 | - | 4.02 | 16,839 |
| Famous People from Oklahoma | 0 | - | 4.11 | 5,836 |
| Famous People from Pennsylvania by Picture | 0 | - | 4.20 | 23,583 |
| History of Pennsylvania | 0 | - | 4.09 | 6,482 |
| Movies Set in Pennsylvania | 0 | - | 4.15 | 11,142 |
| Famous People from Tennessee by Picture | 0 | - | 4.35 | 25,204 |
| Famous People from Virginia by Picture | 0 | - | 4.22 | 22,999 |
| History of Virginia | 0 | - | 4.33 | 10,972 |
| Washington State by Picture | 0 | - | 4.18 | 7,175 |
| The Life of Thomas Edison | 0 | - | 4.03 | 4,657 |
| Events in U.S. History | 0 | - | 4.38 | 26,287 |
| U.S. State Symbols | 0 | - | 4.38 | 23,682 |
| U.S. States along the Atlantic and Gulf Coast | 0 | - | 4.40 | 28,404 |
