| Deadliest U.S. Wars | 0 | - | 4.89 | 191,254 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,709,662 |
| The Vietnam War | 0 | - | 4.44 | 35,584 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,367 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 507,980 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,438 |
| Countries in World War I | 0 | - | 4.88 | 228,511 |
| Hawaiian Islands | 0 | - | 4.83 | 42,782 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,389 |
| U.S. State Flags | 0 | - | 4.88 | 171,399 |
| Battle to Country | 0 | - | 4.91 | 53,558 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,948 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,243 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,955 |
| U.S. Presidents by Event | 0 | - | 4.58 | 34,745 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 94,036 |
| Presidential Middle Names | 0 | - | 4.41 | 60,435 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,468 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,679 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,494 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 45,133 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,072 |
| Countries in World War II | 0 | - | 4.55 | 915,033 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 35,061 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,430 |
| The Iraq War | 0 | - | 4.47 | 15,674 |
| United States Map Quiz | 0 | - | 4.98 | 4,163,981 |
| American Monopoly Board - Map Quiz | 0 | - | 4.52 | 21,226 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 630,361 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,457 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,350 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,988 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,023 |
| Important Cities in WWII | 0 | - | 4.42 | 93,627 |
| U.S. Five-Star Generals and Admirals | 0 | - | 4.33 | 8,341 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,109 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,831 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 427,137 |
| U.S. Vice Presidents | 0 | - | 4.39 | 136,533 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,289 |
| First Ladies of the United States | 0 | - | 4.28 | 85,757 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,251 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 382,388 |
| U.S. Presidents in Order by First Letter | 0 | - | 4.32 | 77,285 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,238 |
| Harvard University | 0 | - | 4.15 | 8,306 |
| Las Vegas Casinos | 0 | - | 4.13 | 38,091 |
| U.S. Civil War Decoder | 0 | - | 4.14 | 25,303 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,632 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,860 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,928 |
| The Persian Gulf War | 0 | - | 4.02 | 8,463 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,626 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,777 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,813 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,628 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,172 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,622 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,461 |
| Top 10 U.S. Swing States in the 2024 Election | 0 | - | 4.51 | 75,296 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 192,668 |
| American Founding Fathers | 0 | - | 4.42 | 23,243 |
| History of Florida | 0 | - | 4.45 | 9,844 |
| Georgia Counties | 0 | - | 4.51 | 49,673 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,429 |
| New York Counties | 0 | - | 4.65 | 50,833 |
| Texas Counties | 0 | - | 4.56 | 77,028 |
| History of Texas | 0 | - | 4.43 | 14,655 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,047 |
| North Carolina Counties | 0 | - | 4.54 | 53,430 |
| Ohio Counties | 0 | - | 4.48 | 45,962 |
| Pennsylvania Counties | 0 | - | 4.50 | 53,042 |
| Virginia Counties | 0 | - | 4.45 | 33,332 |
| West Virginia Counties | 0 | - | 4.63 | 33,880 |
| American History Quotes #1 | 0 | - | 4.37 | 96,109 |
| American History Quotes #2 | 0 | - | 4.38 | 41,447 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,278 |
| US States Quiz | 0 | - | 5.00 | 16,922,980 |
| Major U.S. Rivers with State Names | 0 | - | 4.49 | 39,656 |
| Satellite Images - U.S. States | 0 | - | 4.53 | 45,236 |
| U.S. States by Church Attendance | 0 | - | 4.59 | 32,483 |
| Random General Knowledge - U.S. States | 0 | - | 4.46 | 42,060 |
| Cartoon Versions of U.S. States | 0 | - | 4.75 | 64,019 |
| U.S. States by Nickname | 0 | - | 4.57 | 69,613 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,419 |
| Monarchies of Europe | 0 | - | 4.90 | 98,376 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,691 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,787 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,032 |
| Monarchies of Asia | 0 | - | 4.97 | 71,245 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,040 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,407 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,134 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,898 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,899 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,941 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,285 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,041 |
| U.S. Presidential Running Mates | 0 | - | 4.40 | 28,680 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,751 |
| Random U.S. Vice President to President | 0 | - | 4.39 | 30,673 |
| The John Adams Presidency | 0 | - | 4.12 | 8,762 |
| The Theodore Roosevelt Presidency | 0 | - | 4.39 | 7,749 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,871 |
| California Counties Map Quiz | 0 | - | 4.36 | 34,527 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,419 |
| Word Puzzles - U.S. States | 0 | - | 3.76 | 42,553 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,858 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,382 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,288 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,849 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,995 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,700 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,295 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,036 |
| Name the English Monarchs | 0 | - | 4.91 | 504,124 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,523 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 135,629 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,374 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,119 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,120 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,833 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,627 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,505 |
| Puerto Rico Trivia | 0 | - | 4.51 | 12,025 |
| Top U.S. Universities | 0 | - | 4.15 | 145,394 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,248 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,200 |
| Pixelated United States Map | 0 | - | 4.88 | 94,494 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,970 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,017 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,724 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,738 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,861 |
| U.S. States by Governor | 0 | - | 4.43 | 18,079 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,717 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,712 |
| The George Washington Presidency | 0 | - | 4.03 | 14,569 |
| Franklin... or Theodore Roosevelt | 0 | - | 4.35 | 16,950 |
| U.S. Presidential Knowledge - Multiple Choice | 0 | - | 4.36 | 21,708 |
| Star-Spangled Banner Lyrics | 0 | - | 4.36 | 179,550 |
| History of California | 0 | - | 4.40 | 18,769 |
| California Counties | 0 | - | 4.39 | 119,676 |
| Colorado Counties | 0 | - | 4.45 | 26,793 |
| Florida Counties | 0 | - | 4.39 | 48,754 |
| History of Georgia (U.S. State) | 0 | - | 4.30 | 13,241 |
| State Quiz - Hawaii | 0 | - | 4.35 | 65,437 |
| Illinois Counties | 0 | - | 4.56 | 30,477 |
| History of Illinois | 0 | - | 4.24 | 11,235 |
| Indiana Counties | 0 | - | 4.46 | 29,051 |
| History of Maryland | 0 | - | 4.06 | 6,704 |
| History of Massachusetts | 0 | - | 4.14 | 8,405 |
| Michigan Counties | 0 | - | 4.63 | 30,463 |
| History of Michigan | 0 | - | 4.26 | 6,961 |
| History of New York | 0 | - | 4.36 | 16,380 |
| U.S. States that Border Missouri | 0 | - | 4.55 | 12,841 |
| New Jersey Counties | 0 | - | 4.57 | 30,416 |
| History of New Jersey | 0 | - | 4.38 | 7,282 |
| History of Ohio | 0 | - | 4.14 | 7,361 |
| History of Tennessee | 0 | - | 4.29 | 7,675 |
| Washington Counties | 0 | - | 4.78 | 26,990 |
| History of Washington State | 0 | - | 4.27 | 6,889 |
| Wisconsin Counties | 0 | - | 4.51 | 27,037 |
| Events in U.S. History | 0 | - | 4.41 | 28,720 |
| U.S. History A-Z #1 | 0 | - | 4.36 | 30,200 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,137 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,647 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,147 |
| U.S. States Bordering the Great Lakes | 0 | - | 4.55 | 18,275 |
| Top 10 Most Jewish U.S. States | 0 | - | 4.31 | 43,030 |
| States and Provinces that Touch the Great Lakes | 0 | - | 4.55 | 28,916 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,743 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,691 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,367 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,686 |
| U.S. States By Population | 0 | - | 4.92 | 153,761 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,751 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,611 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,602 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,558 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,864 |
| US States with an Empty Map | 0 | - | 5.00 | 626,163 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,718 |
| States in a Tank of the U.S. Map | 0 | - | 4.47 | 31,338 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,530 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,339 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,810 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,585 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,677 |
| TV Shows by U.S. State | 0 | - | 4.33 | 47,487 |
| U.S. States by Alternate Nicknames | 0 | - | 4.24 | 42,948 |
| Colleges by U.S. State - Multiple Choice | 0 | - | 4.57 | 23,080 |
| U.S. National Parks by State - Multiple Choice | 0 | - | 4.46 | 19,287 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,305 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,964 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,429 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,677 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,458 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,864 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,355 |
