| Deadliest U.S. Wars | 0 | - | 4.89 | 189,558 |
| US States Quiz | 0 | - | 5.00 | 16,746,695 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,086 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,921 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,344 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,642 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,608 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,068 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,802 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,888 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,661 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,895 |
| US States with an Empty Map | 0 | - | 5.00 | 620,323 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,075 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,286 |
| Rivers of the United States | 0 | - | 4.93 | 65,699 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.14 | 26,093 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.10 | 15,473 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.20 | 10,826 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,614 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,633 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,246 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,196 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,594 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,398 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,136 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,786 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,523,515 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,091 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,942 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 41,229 |
| Pixelated United States Map | 0 | - | 4.89 | 93,682 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,445 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 28,917 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.49 | 11,684 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,666,172 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 44,778 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,281 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 53,379 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,337 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,519 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,537 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,143 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,494 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,605 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,910 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,396 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 744,267 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,278 |
| American Political Words | 0 | - | 4.39 | 23,363 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,225 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,383,804 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,668,659 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,242 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 37,002 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 118,635 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,569 |
| United States Map Quiz | 0 | - | 4.98 | 4,145,623 |
| Washington D.C. by Picture | 0 | - | 4.49 | 26,683 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,238 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 38,083 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.49 | 28,767 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 17,864 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,064 |
| U.S. Five-Star Generals and Admirals | 0 | - | 4.33 | 8,311 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,669 |
| Arms Exports - United States | 0 | - | 4.74 | 60,952 |
| U.S. States by Governor | 0 | - | 4.43 | 18,000 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,603 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,581 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 424,444 |
| State Quiz - Alaska | 0 | - | 4.42 | 41,856 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,557 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,710 |
| State Quiz - California | 0 | - | 4.68 | 64,100 |
| State Quiz - Florida | 0 | - | 4.47 | 62,052 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,685 |
| Countries that Visit Florida the Most | 0 | - | 4.72 | 71,537 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,395 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,336 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,225 |
| State Quiz - Kentucky | 0 | - | 4.41 | 32,304 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,630 |
| New York Cities Map Quiz | 0 | - | 4.54 | 42,084 |
| State Quiz - New York | 0 | - | 4.52 | 45,855 |
| State Quiz - New Jersey | 0 | - | 4.42 | 37,968 |
| State Quiz - Texas | 0 | - | 4.43 | 62,608 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,088 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 48,740 |
| State Quiz - Tennessee | 0 | - | 4.54 | 33,979 |
| State Quiz - Virginia | 0 | - | 4.52 | 40,117 |
| State Quiz - Washington | 0 | - | 4.45 | 36,242 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,710 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,361 |
| U.S. States by Clue #1 | 0 | - | 4.50 | 38,736 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,720 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,527 |
| U.S. States with More Cows than People | 0 | - | 4.63 | 41,480 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,473 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,436 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,608 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,649 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,503 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,489 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,161 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,248 |
| Native American Words | 0 | - | 4.26 | 24,721 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 73,684 |
| U.S. Geography by Letter - A | 0 | - | 4.38 | 62,638 |
| U.S. Geography by Letter - D | 0 | - | 4.08 | 56,623 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 49,304 |
| U.S. Geography by Letter - P | 0 | - | 4.36 | 47,739 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 52,905 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 40,739 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 38,866 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 39,648 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,468 |
| Children of U.S. Presidents | 0 | - | 3.95 | 16,658 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,218 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 380,040 |
| American Founding Fathers | 0 | - | 4.41 | 23,091 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,225 |
| California Groups of Things | 0 | - | 4.25 | 45,309 |
| California by Picture | 0 | - | 4.36 | 16,504 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,216 |
| New York Groups of Things | 0 | - | 4.38 | 59,992 |
| People on Money - United States | 0 | - | 4.31 | 63,235 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,296 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,190 |
| U.S. States With Palm Trees | 0 | - | 4.52 | 45,663 |
| Top U.S. States in Crude Oil Production | 0 | - | 4.51 | 41,013 |
| U.S. States by Emoji | 0 | - | 4.48 | 100,341 |
| Least Visited U.S. States by JetPunkers | 0 | - | 4.44 | 70,391 |
| U.S. State Shapes Quiz #1 | 0 | - | 4.74 | 152,650 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.80 | 101,864 |
| U.S. States that Start with N - Shape Quiz | 0 | - | 4.67 | 48,504 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,811 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,091 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,038 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,354 |
| Free in the Answers | 0 | - | 4.11 | 51,319 |
| History of Florida | 0 | - | 4.45 | 9,781 |
| Movies Set in Chicago | 0 | - | 4.46 | 28,153 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,260 |
| Michigan Cities Map Quiz | 0 | - | 4.45 | 20,945 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,027 |
| New York City by Picture | 0 | - | 4.37 | 27,770 |
| Movies Set in Las Vegas | 0 | - | 4.13 | 32,105 |
| Texas Cities Map Quiz | 0 | - | 4.38 | 81,331 |
| History of Texas | 0 | - | 4.43 | 14,570 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,614 |
| Washington Cities Map Quiz | 0 | - | 4.48 | 24,033 |
| American History Quotes #1 | 0 | - | 4.37 | 95,744 |
| American History Quotes #2 | 0 | - | 4.38 | 41,252 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,119 |
| Regions of U.S. States | 0 | - | 4.37 | 43,570 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,350 |
| Top 10 U.S. States with the Longest Coastline | 0 | - | 4.45 | 50,727 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,761 |
| Movies by State | 0 | - | 4.27 | 40,467 |
| U.S. States with the Fewest Traffic Fatalities | 0 | - | 4.20 | 21,085 |
| U.S. States with the Most Traffic Fatalities | 0 | - | 4.10 | 19,069 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,432 |
| Monarchies of Europe | 0 | - | 4.90 | 97,549 |
| Monarchies of Asia | 0 | - | 4.97 | 70,730 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,542 |
| U.S States with the Most Cows | 0 | - | 4.63 | 29,607 |
| Every African Country Shape | 0 | - | 4.90 | 86,420 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,336 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,591 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.92 | 80,466 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,290 |
| U.S. Geography by Letter - N | 0 | - | 3.79 | 52,441 |
| U.S. Geography by Letter - E | 0 | - | 3.75 | 48,443 |
| U.S. Geography by Letter - F | 0 | - | 3.87 | 44,700 |
| U.S. Geography by Letter - O | 0 | - | 3.52 | 40,948 |
| U.S. Geography by Letter - R | 0 | - | 4.18 | 30,550 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,102 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,345 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,440 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,667 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,713 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,420 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,544 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,863 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,516 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,903 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,047 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,681 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,779 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,086 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,834 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,338 |
| Senators Who Ran For President | 0 | - | 4.24 | 17,003 |
| U.S. Electoral College Landslides | 0 | - | 4.35 | 22,003 |
| America the Beautiful Lyrics | 0 | - | 4.27 | 19,731 |
| Famous People from Alabama by Picture | 0 | - | 4.07 | 23,983 |
| States that Beat California | 0 | - | 4.54 | 63,344 |
| Los Angeles vs. New York | 0 | - | 4.41 | 19,711 |
| State Quiz - Colorado | 0 | - | 4.35 | 48,014 |
