| Deadliest U.S. Wars | 0 | - | 4.89 | 191,587 |
| US States Quiz | 0 | - | 5.00 | 16,965,174 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,704 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,323 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,149 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,661 |
| California Cities Map Quiz | 0 | - | 4.50 | 88,127 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,067 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,338 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,002 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,133 |
| US States with an Empty Map | 0 | - | 5.00 | 627,595 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,815 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,923 |
| State Quiz - California | 0 | - | 4.69 | 64,697 |
| Rivers of the United States | 0 | - | 4.93 | 66,556 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,103 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,932 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,474 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,226 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,964 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,676 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,974 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,331 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,548 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,253 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,361 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,052 |
| States that Beat California | 0 | - | 4.54 | 63,807 |
| Cities of Los Angeles County on a Map | 0 | - | 4.69 | 27,318 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,552,574 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,076 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,316 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,768 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,772 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,812 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,858 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,652 |
| State Quiz - Florida | 0 | - | 4.47 | 62,529 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,626 |
| State Quiz - New York | 0 | - | 4.52 | 46,336 |
| State Quiz - Texas | 0 | - | 4.43 | 63,107 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 45,179 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,677 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,727 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,638 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,727 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,937 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,404 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,961 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,799 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,826 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,264 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 749,087 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,254 |
| History of California | 0 | - | 4.40 | 18,785 |
| History of Florida | 0 | - | 4.45 | 9,866 |
| Michigan Cities Map Quiz | 0 | - | 4.45 | 21,137 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,071 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,497 |
| Texas Cities Map Quiz | 0 | - | 4.38 | 81,632 |
| History of Texas | 0 | - | 4.43 | 14,678 |
| Washington Cities Map Quiz | 0 | - | 4.48 | 24,098 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,396,989 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,690,306 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,436 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,167 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 119,272 |
| Canadian Prime Ministers | 0 | - | 4.64 | 57,818 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,923 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,134 |
| State Quiz - Michigan | 0 | - | 4.27 | 52,375 |
| States that Beat New York | 0 | - | 4.50 | 45,216 |
| States that Beat Texas | 0 | - | 4.58 | 44,472 |
| Washington D.C. by Picture | 0 | - | 4.49 | 26,835 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,517 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 38,339 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.49 | 28,865 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 18,092 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,491 |
| Top U.S. Universities | 0 | - | 4.15 | 145,643 |
| U.S. Five-Star Generals and Admirals | 0 | - | 4.33 | 8,353 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,562 |
| Arms Exports - United States | 0 | - | 4.77 | 62,645 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,132 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,582 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.14 | 26,205 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.10 | 15,554 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,853 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.22 | 10,889 |
| State Quiz - Alaska | 0 | - | 4.42 | 42,221 |
| Los Angeles vs. New York | 0 | - | 4.41 | 19,988 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,700 |
| Hawaiian Islands | 0 | - | 4.83 | 42,876 |
| Countries Closest to Hawaii | 0 | - | 4.55 | 53,888 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,507 |
| State Quiz - Kentucky | 0 | - | 4.42 | 32,586 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,942 |
| State Quiz - New Jersey | 0 | - | 4.42 | 38,293 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 49,235 |
| State Quiz - Tennessee | 0 | - | 4.54 | 34,320 |
| State Quiz - Virginia | 0 | - | 4.53 | 40,443 |
| State Quiz - Washington | 0 | - | 4.45 | 36,587 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,884 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 38,530 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 39,340 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,079 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,016 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,850 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 88,149 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,545 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,313 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,900 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,055 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,675 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,131 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,348 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,426 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,457 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,428 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,149 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 54,324 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,572 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,464 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,623 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 36,764 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,520 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,928 |
| American Political Words | 0 | - | 4.39 | 23,456 |
| American Founding Fathers | 0 | - | 4.42 | 23,264 |
| California Groups of Things | 0 | - | 4.26 | 45,713 |
| California Cities A-Z | 0 | - | 4.06 | 17,398 |
| Fictional Characters from California by Picture | 0 | - | 4.23 | 22,568 |
| California by Picture | 0 | - | 4.36 | 16,577 |
| ALL California Cities | 0 | - | 4.37 | 43,194 |
| Musical Acts from Los Angeles by Two Songs | 0 | - | 4.27 | 16,256 |
| Movies Set in San Francisco | 0 | - | 4.23 | 19,954 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,312 |
| History of Michigan | 0 | - | 4.26 | 6,975 |
| New York Groups of Things | 0 | - | 4.39 | 71,659 |
| Fictional Characters from New York | 0 | - | 4.09 | 21,434 |
| History of New York | 0 | - | 4.36 | 16,402 |
| Texas A-Z | 0 | - | 4.19 | 16,421 |
| People on Money - United States | 0 | - | 4.31 | 63,410 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,566 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,531 |
| U.S. States With Palm Trees | 0 | - | 4.52 | 45,898 |
| Top U.S. States in Crude Oil Production | 0 | - | 4.51 | 41,124 |
| U.S. States by Emoji | 0 | - | 4.48 | 101,248 |
| Least Visited U.S. States by JetPunkers | 0 | - | 4.44 | 70,880 |
| U.S. State Shapes Quiz #1 | 0 | - | 4.74 | 153,297 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.80 | 102,251 |
| U.S. States that Start with N - Shape Quiz | 0 | - | 4.67 | 48,778 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,478 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,782 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,623 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,818 |
| Names of Generations | 0 | - | 4.09 | 45,409 |
| Free in the Answers | 0 | - | 4.08 | 51,685 |
| State Quiz - Alabama | 0 | - | 4.26 | 28,106 |
| States that Beat Alaska | 0 | - | 4.49 | 26,574 |
| Countries Closest to Florida | 0 | - | 4.34 | 24,346 |
| States that Beat Florida | 0 | - | 4.32 | 40,954 |
| Movies Set in Chicago | 0 | - | 4.46 | 28,225 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,822 |
| New York City by Picture | 0 | - | 4.37 | 27,941 |
| Movies Set in Las Vegas | 0 | - | 4.13 | 32,169 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,179 |
| Washington D.C. Landmarks on a Map | 0 | - | 4.60 | 18,473 |
| American History Quotes #1 | 0 | - | 4.37 | 96,170 |
| American History Quotes #2 | 0 | - | 4.38 | 41,486 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,318 |
| Regions of U.S. States | 0 | - | 4.37 | 44,110 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,406 |
| Top 10 U.S. States with the Longest Coastline | 0 | - | 4.45 | 50,901 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,300 |
| Movies by State | 0 | - | 4.27 | 40,593 |
| U.S. States with the Fewest Traffic Fatalities | 0 | - | 4.20 | 21,184 |
| U.S. States with the Most Traffic Fatalities | 0 | - | 4.10 | 19,192 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,628 |
| Monarchies of Europe | 0 | - | 4.90 | 98,677 |
| Monarchies of Asia | 0 | - | 4.97 | 71,404 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,201 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 90,276 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,650 |
| U.S. Geography by Letter - N | 0 | - | 3.80 | 53,029 |
| U.S. Geography by Letter - E | 0 | - | 3.75 | 49,033 |
| U.S. Geography by Letter - F | 0 | - | 3.84 | 45,298 |
| U.S. Geography by Letter - O | 0 | - | 3.52 | 41,770 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,649 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,924 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,841 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,775 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,349 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,879 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,182 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,319 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,103 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,303 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,866 |
