| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,740 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,657 |
| U.S. Senators by State | 0 | - | 4.44 | 39,742 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,506 |
| Vietnam War Countries | 0 | - | 4.83 | 93,579 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 618,056 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,652,021 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 303,305 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,371 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,647 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,165 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,470 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,087 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 80,846 |
| Top 10 U.S. Swing States in the 2024 Election | 0 | - | 4.51 | 74,888 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,811 |
| U.S. President Scramble | 0 | - | 4.40 | 116,174 |
| US States Quiz | 0 | - | 5.00 | 16,691,636 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,187 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 87,997 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,481 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,675 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,307 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,357 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,585 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,857 |
| U.S. States By Population | 0 | - | 4.92 | 152,317 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,345 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,829 |
| US States with an Empty Map | 0 | - | 5.00 | 618,517 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,503 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,740 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,847 |
| Presidential Actors | 0 | - | 4.36 | 19,053 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,688 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,575 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,529 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,585 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,524 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,998 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,644 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,869 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,909 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,472 |
| U.S. Presidents to Win the Nobel Peace Prize | 0 | - | 4.34 | 18,204 |
| Six Flags Over Texas | 0 | - | 4.79 | 62,997 |
| U.S. State Flags | 0 | - | 4.89 | 166,929 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,323 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,375 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,411 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,283 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,365 |
| U.S. Vice Presidents | 0 | - | 4.41 | 134,863 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 107,906 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,429 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 92,967 |
| Presidential Middle Names | 0 | - | 4.41 | 59,675 |
| The George W. Bush Presidency | 0 | - | 4.06 | 32,084 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,701 |
| Assassinated U.S. Presidents | 0 | - | 4.61 | 93,786 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,726 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,155 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,014 |
| The American Revolution | 0 | - | 4.52 | 54,045 |
| California... or Florida? | 0 | - | 4.61 | 50,940 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,517,535 |
| U.S. States by Church Attendance | 0 | - | 4.59 | 32,232 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,590 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,269 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,779 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,210 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,922 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,706 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,269 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,609 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,824 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,100 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,620 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,505 |
| History of Florida | 0 | - | 4.45 | 9,761 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,022 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,593 |
| History of Texas | 0 | - | 4.43 | 14,548 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,466 |
| New England States | 0 | - | 4.51 | 59,704 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,379,593 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,467 |
| 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 | 82,297 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,663,775 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,615 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,652 |
| U.S. States by Borders | 0 | - | 4.63 | 35,058 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 182,414 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,222 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,114 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 143,106 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,727 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,637 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,789 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,770 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.49 | 38,022 |
| Pixelated United States Map | 0 | - | 4.89 | 93,433 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,398 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,808 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,355 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,493 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,161 |
| First Ladies of the United States | 0 | - | 4.28 | 85,224 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,107 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 76,235 |
| US Presidents Breakdown Puzzle #1 | 0 | - | 3.69 | 19,957 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 15,995 |
| Add a Letter - Make a U.S. President | 0 | - | 4.61 | 23,825 |
| The Barack Obama Presidency | 0 | - | 4.16 | 25,248 |
| The Kennedy Family | 0 | - | 3.90 | 14,023 |
| California A-Z | 0 | - | 4.49 | 28,702 |
| 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 | 25,649 |
| 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 | 189,196 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,657 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,312 |
| U.S. States by Clue #1 | 0 | - | 4.53 | 38,575 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,645 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,387 |
| U.S. States with More Cows than People | 0 | - | 4.63 | 40,428 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,169 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,269 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,018 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.45 | 50,610 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,871 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,273 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,408 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,117 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,441 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,671 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,563 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,366 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,258 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,464 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,835 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,056 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,450 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,051 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,643 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,042 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,909 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,800 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,678 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,434 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,478 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,806 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,155 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,176 |
| The Iraq War | 0 | - | 4.47 | 15,547 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,239 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,693 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 88,384 |
| Rivers of the United States | 0 | - | 4.93 | 65,473 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,375 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,879 |
| U.S. Presidential Quotes | 0 | - | 4.37 | 44,359 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,479 |
| U.S. Presidential Running Mates | 0 | - | 4.40 | 28,457 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,026 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,655 |
| Random U.S. Vice President to President | 0 | - | 4.39 | 30,488 |
| The John Adams Presidency | 0 | - | 4.12 | 8,675 |
| The Theodore Roosevelt Presidency | 0 | - | 4.39 | 7,679 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,768 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,266 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,120 |
| Top 10 Los Angeles Lakers of All-Time | 0 | - | 4.24 | 46,480 |
| Hawaiian Islands | 0 | - | 4.83 | 42,418 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,408 |
| Harvard University | 0 | - | 4.15 | 8,259 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,073 |
| Regions of U.S. States | 0 | - | 4.37 | 43,448 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,337 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,489 |
| Major U.S. Rivers with State Names | 0 | - | 4.49 | 39,350 |
| Satellite Images - U.S. States | 0 | - | 4.53 | 44,906 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,589 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,068 |
| U.S. States With Palm Trees | 0 | - | 4.52 | 45,597 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,458 |
| Top U.S. States in Crude Oil Production | 0 | - | 4.51 | 40,963 |
| U.S. States by Emoji | 0 | - | 4.48 | 100,102 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,760 |
| Random General Knowledge - U.S. States | 0 | - | 4.46 | 41,741 |
