| Deadliest U.S. Wars | 0 | - | 4.83 | 158,172 |
| Six Flags Over Texas | 0 | - | 4.84 | 58,783 |
| US States Quiz | 0 | - | 5.00 | 14,748,375 |
| American History Quotes #1 | 0 | - | 4.40 | 91,404 |
| American History Quotes #2 | 0 | - | 4.34 | 39,227 |
| Last Names in U.S. History #1 | 0 | - | 4.24 | 34,255 |
| Last Names in U.S. History #2 | 0 | - | 4.41 | 15,987 |
| US States with an Empty Map | 0 | - | 5.00 | 554,286 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 35,021 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.95 | 274,225 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 124,494 |
| Louisiana Purchase with a Map | 0 | - | 4.95 | 36,214 |
| U.S. States with the Longest International Borders | 0 | - | 4.81 | 40,804 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 71,262 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 116,140 |
| Asian Last Names in the United States | 0 | - | 4.41 | 43,296 |
| Rivers of the United States | 0 | - | 4.91 | 57,001 |
| Countries Closest to Alaska | 0 | - | 4.93 | 99,044 |
| Hawaiian Islands Map Quiz | 0 | - | 4.88 | 21,016 |
| Countries Closest to Maine | 0 | - | 4.85 | 58,968 |
| U.S. History Groups of Two | 0 | - | 4.28 | 35,340 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 41,292 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 184,847 |
| Great Plains States and Provinces on a Map | 0 | - | 4.94 | 38,047 |
| Top 10 Coldest U.S. States | 0 | - | 4.91 | 100,287 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 100,756 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 71,328 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 57,120 |
| History of Florida | 0 | - | 4.44 | 8,724 |
| History of Texas | 0 | - | 4.41 | 13,487 |
| U.S. States that Border Canada | 0 | - | 4.90 | 165,878 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.82 | 91,009 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 51,982 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 147,016 |
| Fifty US States in One Minute | 0 | - | 4.55 | 3,246,607 |
| Category Elimination - U.S. States #1 | 0 | - | 4.90 | 195,025 |
| All U.S. Supreme Court Justices | 0 | - | 4.49 | 27,326 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,172,926 |
| American Founding Fathers | 0 | - | 4.36 | 22,095 |
| California Groups of Things | 0 | - | 4.23 | 42,825 |
| New York Groups of Things | 0 | - | 4.39 | 57,290 |
| People on Money - United States | 0 | - | 4.31 | 61,787 |
| Countries that Beat the United States | 0 | - | 4.92 | 145,736 |
| History of California | 0 | - | 4.38 | 17,522 |
| History of Georgia (U.S. State) | 0 | - | 4.33 | 12,354 |
| History of Illinois | 0 | - | 4.28 | 10,435 |
| History of Massachusetts | 0 | - | 4.10 | 7,483 |
| History of Michigan | 0 | - | 4.21 | 6,256 |
| History of New York | 0 | - | 4.33 | 15,146 |
| History of New Jersey | 0 | - | 4.29 | 6,513 |
| History of Ohio | 0 | - | 4.12 | 6,673 |
| History of Tennessee | 0 | - | 4.21 | 7,042 |
| History of Washington State | 0 | - | 4.21 | 6,253 |
| American History A-Z | 0 | - | 4.32 | 16,390 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.64 | 1,245,516 |
| US States by Borders in 30 Seconds | 0 | - | 4.76 | 2,391,371 |
| Movies by State Quiz | 0 | - | 4.23 | 39,369 |
| United States Map Quiz | 0 | - | 4.98 | 3,903,650 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.18 | 701,126 |
| U.S. Federal Agency Acronyms | 0 | - | 4.51 | 75,911 |
| California Cities Map Quiz | 0 | - | 4.48 | 82,133 |
| Florida Cities Map Quiz | 0 | - | 4.49 | 57,475 |
| New York Cities Map Quiz | 0 | - | 4.54 | 39,698 |
| 10 Closest Megacities to New York City | 0 | - | 4.54 | 54,539 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 49,199 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.70 | 59,901 |
| Longest U.S. State Borders | 0 | - | 4.65 | 34,245 |
| Most Valuable Crops by U.S. State | 0 | - | 4.38 | 36,776 |
| U.S. States with the Fewest Borders | 0 | - | 4.76 | 105,768 |
| U.S. States with the Most Borders | 0 | - | 4.56 | 61,066 |
| U.S. Five-Star Generals and Admirals | 0 | - | 4.38 | 7,883 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.52 | 34,026 |
| Biggest Trading Partners - US | 0 | - | 4.63 | 101,575 |
| Arms Exports - United States | 0 | - | 4.64 | 48,757 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.33 | 10,362 |
| U.S. Presidents by Picture | 0 | - | 4.85 | 394,643 |
| State Quiz - Alaska | 0 | - | 4.43 | 37,590 |
| State Quiz - California | 0 | - | 4.66 | 56,709 |
| State Quiz - Florida | 0 | - | 4.43 | 55,898 |
| Countries that Visit Florida the Most | 0 | - | 4.63 | 49,651 |
| Countries Closest to Hawaii | 0 | - | 4.51 | 47,719 |
| State Quiz - New York | 0 | - | 4.47 | 36,716 |
| State Quiz - Texas | 0 | - | 4.43 | 56,327 |
| State Quiz - Pennsylvania | 0 | - | 4.49 | 42,257 |
| State Quiz - Virginia | 0 | - | 4.51 | 32,972 |
| State Quiz - Washington | 0 | - | 4.45 | 32,382 |
| The American Civil War | 0 | - | 4.72 | 49,051 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.44 | 51,069 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.76 | 36,865 |
| U.S. States by Clue #1 | 0 | - | 4.47 | 33,070 |
| U.S. States with More Cows than People | 0 | - | 4.58 | 39,293 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 62,172 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.44 | 47,703 |
| U.S. States with Spanish Names | 0 | - | 4.48 | 67,623 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 69,303 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 44,053 |
| U.S. State Superlatives #1 | 0 | - | 4.46 | 75,516 |
| U.S. State Superlatives #2 | 0 | - | 4.51 | 37,330 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 60,329 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.54 | 60,609 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.79 | 58,524 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.45 | 39,393 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,185,249 |
| Third Most Common Language by U.S. State | 0 | - | 4.91 | 107,100 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 353,215 |
| Name a Valid U.S. President #1 | 0 | - | 4.93 | 167,234 |
| States that Beat Alaska | 0 | - | 4.48 | 24,588 |
| Famous People from California by Picture | 0 | - | 4.31 | 31,770 |
| Fictional Characters from California | 0 | - | 4.21 | 21,442 |
| Fictional Characters from New York | 0 | - | 4.05 | 20,867 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 46,308 |
| U.S. States With Palm Trees | 0 | - | 4.55 | 43,267 |
| Top U.S. States in Crude Oil Production | 0 | - | 4.52 | 32,605 |
| U.S. States by Emoji | 0 | - | 4.47 | 92,178 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 37,431 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 35,357 |
| Least Visited U.S. States by JetPunkers | 0 | - | 4.41 | 54,898 |
| Musical Acts by State | 0 | - | 4.02 | 19,176 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 103,376 |
| U.S. State Shapes Quiz #1 | 0 | - | 4.70 | 139,929 |
| U.S. States that Start with N - Shape Quiz | 0 | - | 4.74 | 45,256 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.92 | 49,650 |
| Famous Italian-Americans | 0 | - | 4.16 | 7,291 |
| U.S States with the Most Cows | 0 | - | 4.60 | 18,174 |
| Biggest Spanish Empire Countries | 0 | - | 4.90 | 93,637 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 100,142 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 121,653 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 54,777 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.90 | 92,883 |
| Name a Valid Asian Country | 0 | - | 4.98 | 92,449 |
| The Vietnam War | 0 | - | 4.41 | 32,831 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 93,640 |
| Africa Geography Quiz #1 | 0 | - | 4.92 | 46,136 |
| Category Elimination - African Geography #1 | 0 | - | 4.89 | 79,691 |
| Name a Valid African Country | 0 | - | 4.98 | 124,321 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,894 |
| U.S. State Border Crossings | 0 | - | 4.96 | 82,133 |
| U.S. State Nicknames Quiz | 0 | - | 4.49 | 46,166 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 222,169 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.83 | 33,301 |
| Total United States Immigration by Country | 0 | - | 4.89 | 96,765 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 65,339 |
| American Generations | 0 | - | 3.96 | 19,563 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.95 | 184,997 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 67,614 |
| U.S. Bill of Rights | 0 | - | 4.56 | 31,075 |
| American Political Words | 0 | - | 4.41 | 22,322 |
| Things that are "Free" | 0 | - | 4.18 | 46,811 |
| States that Beat California | 0 | - | 4.57 | 57,516 |
| Cities of Los Angeles County on a Map | 0 | - | 4.80 | 22,538 |
| State Quiz - Colorado | 0 | - | 4.36 | 35,543 |
| State Quiz - Georgia | 0 | - | 4.44 | 28,207 |
| State Quiz - Idaho | 0 | - | 4.58 | 24,161 |
| Movies Set in Chicago Quiz | 0 | - | 4.48 | 27,370 |
| State Quiz - Kentucky | 0 | - | 4.48 | 28,787 |
| History of Louisiana | 0 | - | 4.44 | 8,742 |
| State Quiz - Maine | 0 | - | 4.51 | 22,167 |
| History of Maryland | 0 | - | 3.87 | 5,963 |
| Cities and Towns of Massachusetts | 0 | - | 4.89 | 60,412 |
| State Quiz - Michigan | 0 | - | 4.24 | 46,907 |
| Michigan Cities Map Quiz | 0 | - | 4.45 | 19,610 |
| Who Did that Motown Song | 0 | - | 4.45 | 12,666 |
| State Quiz - Minnesota | 0 | - | 4.37 | 32,363 |
| State Quiz - Mississippi | 0 | - | 4.41 | 20,522 |
| State Quiz - Missouri | 0 | - | 4.42 | 21,566 |
| State Quiz - Nebraska | 0 | - | 4.53 | 21,093 |
| State Quiz - New Jersey | 0 | - | 4.45 | 31,390 |
| Texas Cities Map Quiz | 0 | - | 4.37 | 77,700 |
| States that Beat Texas | 0 | - | 4.58 | 41,120 |
| State Quiz - North Carolina | 0 | - | 4.29 | 32,881 |
| State Quiz - North Dakota | 0 | - | 4.47 | 19,130 |
| State Quiz - Ohio | 0 | - | 4.23 | 33,645 |
| State Quiz - Oklahoma | 0 | - | 4.41 | 22,947 |
| State Quiz - Rhode Island | 0 | - | 4.58 | 22,621 |
| State Quiz - Tennessee | 0 | - | 4.49 | 27,163 |
| Washington Cities Map Quiz | 0 | - | 4.47 | 23,187 |
| Washington D.C. by Picture | 0 | - | 4.52 | 25,198 |
| Washington D.C. Landmarks on a Map | 0 | - | 4.60 | 16,964 |
| State Quiz - West Virginia | 0 | - | 4.41 | 19,277 |
| State Quiz - Wisconsin | 0 | - | 4.38 | 32,790 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 19,771 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.37 | 54,546 |
| Events by U.S. State #1 | 0 | - | 4.41 | 21,773 |
| Top 10 U.S. States with the Longest Coastline | 0 | - | 4.46 | 48,872 |
| U.S. States Richer than Their Neighbors | 0 | - | 4.46 | 25,452 |
| Category Elimination - U.S. States #2 | 0 | - | 4.79 | 115,642 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 31,463 |
| Top 10 U.S. States With the Most Endemic Species | 0 | - | 4.49 | 21,374 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 340,206 |
| U.S. States with the Most National Parks | 0 | - | 4.62 | 21,129 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.30 | 34,746 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 31,208 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.51 | 27,568 |
| U.S. States with the Most Venomous Snake Species | 0 | - | 4.47 | 25,035 |
| U.S. States with the Most Endangered Species | 0 | - | 4.50 | 13,865 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 201,004 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 247,133 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 142,965 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 133,768 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 189,188 |
