| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,771 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,666 |
| U.S. Senators by State | 0 | - | 4.45 | 39,743 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,572 |
| Vietnam War Countries | 0 | - | 4.83 | 93,582 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 618,163 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,652,597 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 303,316 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,380 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,653 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,211 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,470 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,100 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 80,851 |
| Top 10 U.S. Swing States in the 2024 Election | 0 | - | 4.51 | 74,890 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,812 |
| U.S. President Scramble | 0 | - | 4.40 | 116,187 |
| US States Quiz | 0 | - | 5.00 | 16,693,409 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,207 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,010 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,496 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,683 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,321 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,370 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,611 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,867 |
| U.S. States By Population | 0 | - | 4.92 | 152,328 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,359 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,837 |
| US States with an Empty Map | 0 | - | 5.00 | 618,579 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,521 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,746 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,858 |
| Presidential Actors | 0 | - | 4.36 | 19,058 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,689 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,638 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,541 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,605 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,532 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,016 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,661 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,881 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,168 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,494 |
| U.S. Presidents to Win the Nobel Peace Prize | 0 | - | 4.34 | 18,206 |
| Six Flags Over Texas | 0 | - | 4.79 | 63,000 |
| U.S. State Flags | 0 | - | 4.89 | 166,967 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,346 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,463 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,441 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,290 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,370 |
| U.S. Vice Presidents | 0 | - | 4.41 | 134,882 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 107,920 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,448 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 92,981 |
| Presidential Middle Names | 0 | - | 4.41 | 59,686 |
| The George W. Bush Presidency | 0 | - | 4.06 | 32,085 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,712 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 93,797 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,729 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,161 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,016 |
| The American Revolution | 0 | - | 4.52 | 54,048 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,517,826 |
| U.S. States by Church Attendance | 0 | - | 4.59 | 32,237 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,593 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,287 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,791 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,214 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,932 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,793 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,286 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,620 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,841 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,114 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,790 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,506 |
| History of Florida | 0 | - | 4.45 | 9,761 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,039 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,603 |
| History of Texas | 0 | - | 4.43 | 14,551 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,469 |
| New England States | 0 | - | 4.51 | 59,704 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,379,725 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,468 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,880 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,301 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,663,909 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,620 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,654 |
| U.S. States by Borders | 0 | - | 4.63 | 35,060 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 182,446 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,228 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,123 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 143,120 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,735 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,643 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,792 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,832 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 38,660 |
| Pixelated United States Map | 0 | - | 4.89 | 93,438 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,419 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,814 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,370 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,511 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,162 |
| First Ladies of the United States | 0 | - | 4.28 | 85,229 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,109 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 76,261 |
| US Presidents Breakdown Puzzle #1 | 0 | - | 3.69 | 19,958 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 15,998 |
| Add a Letter - Make a U.S. President | 0 | - | 4.61 | 23,826 |
| The Barack Obama Presidency | 0 | - | 4.16 | 25,249 |
| The Kennedy Family | 0 | - | 3.90 | 14,025 |
| California A-Z | 0 | - | 4.49 | 28,703 |
| History of California | 0 | - | 4.40 | 18,693 |
| History of Georgia (U.S. State) | 0 | - | 4.30 | 13,178 |
| History of Illinois | 0 | - | 4.24 | 11,175 |
| History of Maryland | 0 | - | 4.06 | 6,648 |
| History of Massachusetts | 0 | - | 4.14 | 8,326 |
| History of Michigan | 0 | - | 4.26 | 6,902 |
| History of New York | 0 | - | 4.36 | 16,278 |
| Top 15 New York Yankees of All-Time | 0 | - | 4.02 | 25,650 |
| History of New Jersey | 0 | - | 4.38 | 7,204 |
| History of Ohio | 0 | - | 4.14 | 7,307 |
| History of Tennessee | 0 | - | 4.29 | 7,632 |
| History of Washington State | 0 | - | 4.27 | 6,836 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,213 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,661 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,314 |
| U.S. States by Clue #1 | 0 | - | 4.53 | 38,580 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,653 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,392 |
| U.S. States with More Cows than People | 0 | - | 4.63 | 40,429 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,172 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,270 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,022 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.46 | 51,146 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,879 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,278 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,411 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,133 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,449 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,674 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,564 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,368 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,263 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,468 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,847 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,065 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,457 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,055 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,647 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,067 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,920 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,808 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,681 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,441 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,490 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,814 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,165 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,183 |
| The Iraq War | 0 | - | 4.47 | 15,548 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,246 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,701 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 88,399 |
| Rivers of the United States | 0 | - | 4.93 | 65,485 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,384 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,879 |
| U.S. Presidential Quotes | 0 | - | 4.37 | 44,360 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,482 |
| U.S. Presidential Running Mates | 0 | - | 4.40 | 28,457 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,027 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,658 |
| Random U.S. Vice President to President | 0 | - | 4.39 | 30,489 |
| The John Adams Presidency | 0 | - | 4.12 | 8,675 |
| The Theodore Roosevelt Presidency | 0 | - | 4.39 | 7,681 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,770 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,282 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,121 |
| California... or Florida? | 0 | - | 4.60 | 50,945 |
| Top 10 Los Angeles Lakers of All-Time | 0 | - | 4.24 | 46,485 |
| Hawaiian Islands | 0 | - | 4.83 | 42,423 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,419 |
| Harvard University | 0 | - | 4.15 | 8,260 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,079 |
| Regions of U.S. States | 0 | - | 4.37 | 43,458 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,338 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,491 |
| Major U.S. Rivers with State Names | 0 | - | 4.49 | 39,355 |
| Satellite Images - U.S. States | 0 | - | 4.53 | 44,907 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,596 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,075 |
| U.S. States With Palm Trees | 0 | - | 4.52 | 45,598 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,461 |
| Top U.S. States in Crude Oil Production | 0 | - | 4.51 | 40,965 |
| U.S. States by Emoji | 0 | - | 4.48 | 100,107 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,762 |
| Random General Knowledge - U.S. States | 0 | - | 4.46 | 41,749 |
