| Deadliest U.S. Wars | 0 | - | 4.89 | 192,104 |
| US States Quiz | 0 | - | 5.00 | 17,034,370 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 126,118 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,774 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 93,063 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,311 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,201 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,598 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,222 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,242 |
| 10 Longest Rivers in the United States | 0 | - | 4.86 | 39,485 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,476 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,505 |
| US States with an Empty Map | 0 | - | 5.00 | 629,947 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,487 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,705 |
| Rivers of the United States | 0 | - | 4.93 | 66,843 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.14 | 26,231 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.10 | 15,580 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.22 | 10,916 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,397 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,751 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,994 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,347 |
| Canadian Prime Ministers | 0 | - | 4.64 | 58,055 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 241,049 |
| U.S. Bill of Rights | 0 | - | 4.52 | 35,212 |
| U.S. States that Border Canada | 0 | - | 4.91 | 187,206 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,579 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,559,757 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,915 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 135,954 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,908 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 53,153 |
| Pixelated United States Map | 0 | - | 4.89 | 95,051 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,930 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,179 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,884 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,733,532 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.09 | 54,560 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,786 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,955 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,739 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,796 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.54 | 65,083 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,506 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.74 | 64,124 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,860 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 70,185 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 58,655 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 750,595 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,682 |
| American Political Words | 0 | - | 4.39 | 23,490 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,579 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,400,532 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,696,785 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,485 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,218 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.46 | 119,405 |
| Asian Last Names in the United States | 0 | - | 4.43 | 47,043 |
| United States Map Quiz | 0 | - | 4.98 | 4,174,474 |
| Washington D.C. by Picture | 0 | - | 4.49 | 26,890 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,591 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 38,422 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.49 | 28,897 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 18,167 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,629 |
| U.S. Five-Star Generals and Admirals | 0 | - | 4.33 | 8,365 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,880 |
| Arms Exports - United States | 0 | - | 4.77 | 62,829 |
| U.S. States by Governor | 0 | - | 4.43 | 18,131 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,790 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,818 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 429,027 |
| State Quiz - Alaska | 0 | - | 4.42 | 42,388 |
| State Quiz - Arizona | 0 | - | 4.44 | 37,033 |
| California Cities Map Quiz | 0 | - | 4.50 | 88,256 |
| State Quiz - California | 0 | - | 4.69 | 64,967 |
| State Quiz - Florida | 0 | - | 4.47 | 62,774 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 61,056 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,887 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,853 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 54,103 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,648 |
| State Quiz - Kentucky | 0 | - | 4.42 | 32,718 |
| State Quiz - Minnesota | 0 | - | 4.41 | 39,107 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,430 |
| State Quiz - New York | 0 | - | 4.52 | 46,572 |
| State Quiz - New Jersey | 0 | - | 4.42 | 38,440 |
| State Quiz - Texas | 0 | - | 4.43 | 63,334 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,695 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 49,463 |
| State Quiz - Tennessee | 0 | - | 4.54 | 34,459 |
| State Quiz - Virginia | 0 | - | 4.53 | 40,601 |
| State Quiz - Washington | 0 | - | 4.45 | 36,737 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,932 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 38,574 |
| U.S. States by Clue #1 | 0 | - | 4.50 | 45,639 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,212 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,196 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,911 |
| U.S. States with Spanish Names | 0 | - | 4.49 | 88,379 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,576 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,522 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,998 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,222 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,741 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,605 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,389 |
| Native American Words | 0 | - | 4.26 | 24,840 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,716 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,777 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,736 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,485 |
| U.S. Geography by Letter - P | 0 | - | 4.40 | 54,650 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,806 |
| U.S. Geography by Letter - L | 0 | - | 4.08 | 41,757 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,895 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 37,106 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,842 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,054 |
| Children of U.S. Presidents | 0 | - | 3.97 | 16,705 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,513 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 384,030 |
| American Founding Fathers | 0 | - | 4.42 | 23,311 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,767 |
| California Groups of Things | 0 | - | 4.26 | 45,818 |
| California by Picture | 0 | - | 4.37 | 16,610 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,335 |
| New York Groups of Things | 0 | - | 4.39 | 72,427 |
| People on Money - United States | 0 | - | 4.31 | 63,519 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,643 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,640 |
| U.S. States With Palm Trees | 0 | - | 4.52 | 45,981 |
| Top U.S. States in Crude Oil Production | 0 | - | 4.51 | 41,159 |
| U.S. States by Emoji | 0 | - | 4.48 | 101,524 |
| Least Visited U.S. States by JetPunkers | 0 | - | 4.44 | 71,055 |
| U.S. State Shapes Quiz #1 | 0 | - | 4.74 | 153,447 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.80 | 102,362 |
| U.S. States that Start with N - Shape Quiz | 0 | - | 4.67 | 48,875 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,273 |
| U.S. State Border Crossings | 0 | - | 4.97 | 97,001 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,118 |
| Names of Generations | 0 | - | 4.09 | 45,633 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 194,143 |
| Free in the Answers | 0 | - | 4.08 | 51,773 |
| History of Florida | 0 | - | 4.45 | 9,892 |
| Movies Set in Chicago | 0 | - | 4.46 | 28,248 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,332 |
| Michigan Cities Map Quiz | 0 | - | 4.45 | 21,183 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,089 |
| New York City by Picture | 0 | - | 4.37 | 27,989 |
| Movies Set in Las Vegas | 0 | - | 4.13 | 32,198 |
| Texas Cities Map Quiz | 0 | - | 4.38 | 81,712 |
| History of Texas | 0 | - | 4.43 | 14,707 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,358 |
| Washington Cities Map Quiz | 0 | - | 4.48 | 24,132 |
| Washington D.C. Landmarks on a Map | 0 | - | 4.60 | 18,515 |
| American History Quotes #1 | 0 | - | 4.37 | 96,269 |
| American History Quotes #2 | 0 | - | 4.38 | 41,547 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,379 |
| Regions of U.S. States | 0 | - | 4.37 | 44,290 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,435 |
| Top 10 U.S. States with the Longest Coastline | 0 | - | 4.45 | 50,965 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,996 |
| Movies by State | 0 | - | 4.27 | 40,622 |
| U.S. States with the Fewest Traffic Fatalities | 0 | - | 4.20 | 21,216 |
| U.S. States with the Most Traffic Fatalities | 0 | - | 4.10 | 19,224 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,944 |
| Monarchies of Europe | 0 | - | 4.90 | 99,105 |
| Monarchies of Asia | 0 | - | 4.97 | 71,651 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,394 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.92 | 95,813 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 93,015 |
| U.S. Geography by Letter - N | 0 | - | 3.80 | 53,220 |
| U.S. Geography by Letter - E | 0 | - | 3.75 | 49,256 |
| U.S. Geography by Letter - F | 0 | - | 3.85 | 45,542 |
| U.S. Geography by Letter - O | 0 | - | 3.52 | 42,003 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,864 |
| Colombia Country Quiz | 0 | - | 4.90 | 41,085 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,254 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,103 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,641 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,305 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,630 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 176,032 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 85,087 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,679 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,278 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,835 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,670 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,543 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,240 |
| Senators Who Ran For President | 0 | - | 4.24 | 17,092 |
| U.S. Electoral College Landslides | 0 | - | 4.35 | 22,105 |
| America the Beautiful Lyrics | 0 | - | 4.27 | 19,804 |
| Famous People from Alabama by Picture | 0 | - | 4.07 | 24,151 |
| States that Beat California | 0 | - | 4.54 | 63,958 |
| Los Angeles vs. New York | 0 | - | 4.41 | 20,093 |
| State Quiz - Colorado | 0 | - | 4.38 | 48,725 |
