| Deadliest U.S. Wars | 0 | - | 4.89 | 190,233 |
| US States Quiz | 0 | - | 5.00 | 16,801,521 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 330,328 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,035 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,482 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.49 | 11,728 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,680,221 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,936 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,563 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,030 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,982 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,215 |
| US States with an Empty Map | 0 | - | 5.00 | 622,046 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,519 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,678 |
| Rivers of the United States | 0 | - | 4.93 | 65,943 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,879 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,954 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,857 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,112 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,101 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,342 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,221 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,648 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,754 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 425,374 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,225 |
| U.S. History for Dummies | 0 | - | 4.47 | 82,822 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,974 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,936 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 380,622 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,530,219 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 41,817 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,533 |
| Arms Exports - United States | 0 | - | 4.75 | 62,130 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.14 | 26,130 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.10 | 15,497 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.20 | 10,850 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,946 |
| American Founding Fathers | 0 | - | 4.42 | 23,171 |
| People on Money - United States | 0 | - | 4.31 | 63,295 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,360 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 44,922 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,388 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 53,774 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,421 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,564 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,214 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,315 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,015 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,496 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 745,647 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,512 |
| History of Florida | 0 | - | 4.45 | 9,799 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,268 |
| History of Texas | 0 | - | 4.43 | 14,592 |
| American History Quotes #1 | 0 | - | 4.37 | 95,904 |
| American History Quotes #2 | 0 | - | 4.38 | 41,342 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,192 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,387,018 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,269 |
| Top U.S. States in Crude Oil Production | 0 | - | 4.51 | 41,049 |
| US States by Borders in 30 Seconds | 0 | - | 4.67 | 2,674,062 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,288 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,049 |
| Least Visited U.S. States by JetPunkers | 0 | - | 4.44 | 70,504 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 118,740 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,337 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,527 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,660 |
| United States Map Quiz | 0 | - | 4.98 | 4,150,192 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,302 |
| U.S. States Richer than Their Neighbors | 0 | - | 4.43 | 27,326 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 38,145 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.49 | 28,783 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 17,917 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,178 |
| U.S. Five-Star Generals and Admirals | 0 | - | 4.33 | 8,320 |
| State Quiz - Alaska | 0 | - | 4.42 | 41,943 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,626 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,826 |
| State Quiz - California | 0 | - | 4.68 | 64,237 |
| State Quiz - Florida | 0 | - | 4.47 | 62,170 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,790 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 71,971 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,466 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,481 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,286 |
| State Quiz - Kentucky | 0 | - | 4.41 | 32,371 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,700 |
| New York Cities Map Quiz | 0 | - | 4.54 | 42,163 |
| State Quiz - New York | 0 | - | 4.52 | 45,960 |
| State Quiz - New Jersey | 0 | - | 4.42 | 38,046 |
| State Quiz - Texas | 0 | - | 4.43 | 62,727 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 48,864 |
| State Quiz - Tennessee | 0 | - | 4.54 | 34,069 |
| State Quiz - Virginia | 0 | - | 4.52 | 40,197 |
| State Quiz - Washington | 0 | - | 4.45 | 36,322 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,751 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,414 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 38,890 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,802 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,652 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,509 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,654 |
| Most Visited U.S. States by JetPunkers | 0 | - | 4.30 | 44,459 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,464 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,815 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,000 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,896 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,724 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,638 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,529 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,631 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,605 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,642 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,310 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,269 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,061 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 73,773 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 62,748 |
| U.S. Geography by Letter - D | 0 | - | 4.08 | 56,744 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 49,422 |
| U.S. Geography by Letter - P | 0 | - | 4.36 | 47,863 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 52,974 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 40,838 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 38,975 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 39,792 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,591 |
| Names of Generations | 0 | - | 4.11 | 40,995 |
| American Political Words | 0 | - | 4.39 | 23,389 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,377 |
| U.S. Presidents by Event | 0 | - | 4.58 | 34,051 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,420 |
| Presidential Middle Names | 0 | - | 4.41 | 59,993 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,065 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,296 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,303 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,324 |
| California Groups of Things | 0 | - | 4.25 | 45,352 |
| History of California | 0 | - | 4.40 | 18,730 |
| History of Georgia (U.S. State) | 0 | - | 4.30 | 13,201 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,230 |
| History of Illinois | 0 | - | 4.24 | 11,203 |
| History of Maryland | 0 | - | 4.06 | 6,674 |
| History of Massachusetts | 0 | - | 4.14 | 8,369 |
| History of Michigan | 0 | - | 4.26 | 6,928 |
| New York Groups of Things | 0 | - | 4.38 | 60,403 |
| History of New York | 0 | - | 4.36 | 16,325 |
| History of New Jersey | 0 | - | 4.38 | 7,238 |
| History of Ohio | 0 | - | 4.14 | 7,325 |
| History of Tennessee | 0 | - | 4.29 | 7,647 |
| History of Washington State | 0 | - | 4.27 | 6,858 |
| U.S. History A-Z #1 | 0 | - | 4.36 | 29,854 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,575 |
| U.S. States With Palm Trees | 0 | - | 4.52 | 45,729 |
| U.S. States by Emoji | 0 | - | 4.48 | 100,563 |
| U.S. State Shapes Quiz #1 | 0 | - | 4.74 | 152,756 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.80 | 101,965 |
| U.S. States that Start with N - Shape Quiz | 0 | - | 4.67 | 48,553 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,522 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,276 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,974 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,247 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,881 |
| Free in the Answers | 0 | - | 4.08 | 51,393 |
| The American Revolution | 0 | - | 4.52 | 54,171 |
| Movies Set in Chicago | 0 | - | 4.46 | 28,177 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,558 |
| Michigan Cities Map Quiz | 0 | - | 4.45 | 21,007 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,040 |
| Movies Set in Las Vegas | 0 | - | 4.13 | 32,123 |
| Texas Cities Map Quiz | 0 | - | 4.38 | 81,426 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,743 |
| Washington Cities Map Quiz | 0 | - | 4.48 | 24,054 |
| Washington D.C. Landmarks on a Map | 0 | - | 4.60 | 18,339 |
| Regions of U.S. States | 0 | - | 4.37 | 43,704 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,360 |
| Top 10 U.S. States with the Longest Coastline | 0 | - | 4.45 | 50,776 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,320 |
| Movies by State | 0 | - | 4.27 | 40,509 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,823 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,041 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,674 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 75,968 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,097 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,582 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,098 |
| Country by Photo of its Leader | 0 | - | 4.74 | 123,717 |
| Political Movements by Country | 0 | - | 4.46 | 72,417 |
| U.S States with the Most Cows | 0 | - | 4.63 | 29,693 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,448 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,056 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,274 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,624 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,871 |
| U.S. Geography by Letter - N | 0 | - | 3.80 | 52,525 |
| U.S. Geography by Letter - E | 0 | - | 3.75 | 48,517 |
| U.S. Geography by Letter - F | 0 | - | 3.87 | 44,779 |
| U.S. Geography by Letter - O | 0 | - | 3.52 | 41,232 |
