| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,658 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,636 |
| U.S. Senators by State | 0 | - | 4.44 | 39,733 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,386 |
| Vietnam War Countries | 0 | - | 4.83 | 93,547 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 617,640 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,649,945 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 303,227 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,332 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,622 |
| Random U.S. States on a Map | 0 | - | 4.96 | 620,937 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,453 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,059 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 80,825 |
| Top 10 U.S. Swing States in the 2024 Election | 0 | - | 4.51 | 74,874 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,808 |
| U.S. President Scramble | 0 | - | 4.40 | 116,147 |
| US States Quiz | 0 | - | 5.00 | 16,684,109 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,118 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 87,951 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,426 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,618 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,261 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,315 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,534 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,801 |
| U.S. States By Population | 0 | - | 4.92 | 152,288 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,296 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,795 |
| US States with an Empty Map | 0 | - | 5.00 | 618,307 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,469 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,725 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,801 |
| Presidential Actors | 0 | - | 4.36 | 19,049 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,676 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,358 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,483 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,502 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,492 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,965 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,580 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,817 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,137 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,396 |
| U.S. Presidents to Win the Nobel Peace Prize | 0 | - | 4.34 | 18,197 |
| Six Flags Over Texas | 0 | - | 4.79 | 62,981 |
| U.S. State Flags | 0 | - | 4.89 | 166,793 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,195 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,063 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,326 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,273 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,349 |
| U.S. Vice Presidents | 0 | - | 4.41 | 134,771 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 107,871 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,384 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 92,929 |
| Presidential Middle Names | 0 | - | 4.41 | 59,647 |
| The George W. Bush Presidency | 0 | - | 4.06 | 32,079 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,683 |
| Assassinated U.S. Presidents | 0 | - | 4.61 | 93,761 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,712 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,148 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,006 |
| The American Revolution | 0 | - | 4.52 | 54,039 |
| California... or Florida? | 0 | - | 4.61 | 50,916 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,516,780 |
| U.S. States by Church Attendance | 0 | - | 4.59 | 32,211 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,577 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,207 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,716 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,191 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,882 |
| Name the U.S. National Parks | 0 | - | 4.85 | 58,372 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,210 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,561 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,788 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,058 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,078 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,491 |
| History of Florida | 0 | - | 4.45 | 9,758 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 72,993 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,558 |
| History of Texas | 0 | - | 4.43 | 14,547 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,447 |
| New England States | 0 | - | 4.51 | 59,700 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,379,232 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,438 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,877 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,274 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,663,091 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,601 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,643 |
| U.S. States by Borders | 0 | - | 4.63 | 35,050 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 182,327 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,215 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,096 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 143,043 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,694 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,613 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,778 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,650 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.49 | 37,101 |
| Pixelated United States Map | 0 | - | 4.89 | 93,382 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,336 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,756 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,306 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,418 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,156 |
| First Ladies of the United States | 0 | - | 4.28 | 85,208 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,101 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 76,200 |
| US Presidents Breakdown Puzzle #1 | 0 | - | 3.69 | 19,956 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 15,989 |
| Add a Letter - Make a U.S. President | 0 | - | 4.61 | 23,819 |
| The Barack Obama Presidency | 0 | - | 4.16 | 25,241 |
| The Kennedy Family | 0 | - | 3.90 | 14,021 |
| California A-Z | 0 | - | 4.49 | 28,700 |
| History of California | 0 | - | 4.40 | 18,690 |
| History of Georgia (U.S. State) | 0 | - | 4.30 | 13,173 |
| History of Illinois | 0 | - | 4.24 | 11,172 |
| History of Maryland | 0 | - | 4.06 | 6,647 |
| History of Massachusetts | 0 | - | 4.14 | 8,321 |
| History of Michigan | 0 | - | 4.26 | 6,901 |
| History of New York | 0 | - | 4.36 | 16,276 |
| Top 15 New York Yankees of All-Time | 0 | - | 4.02 | 25,648 |
| History of New Jersey | 0 | - | 4.38 | 7,201 |
| History of Ohio | 0 | - | 4.14 | 7,304 |
| History of Tennessee | 0 | - | 4.29 | 7,628 |
| History of Washington State | 0 | - | 4.27 | 6,835 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,153 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,651 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,309 |
| U.S. States by Clue #1 | 0 | - | 4.52 | 38,550 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,630 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,362 |
| U.S. States with More Cows than People | 0 | - | 4.63 | 40,421 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,153 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,260 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,015 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.45 | 49,731 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,853 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,249 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,405 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,072 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,415 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,655 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,550 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,339 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,249 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,455 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,795 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,044 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,418 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,038 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,624 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,006 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 81,887 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,769 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,673 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,387 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,436 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,776 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,112 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,152 |
| The Iraq War | 0 | - | 4.47 | 15,541 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,212 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,656 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 88,344 |
| Rivers of the United States | 0 | - | 4.93 | 65,439 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,339 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,869 |
| U.S. Presidential Quotes | 0 | - | 4.37 | 44,351 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,474 |
| U.S. Presidential Running Mates | 0 | - | 4.40 | 28,451 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,022 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,653 |
| Random U.S. Vice President to President | 0 | - | 4.39 | 30,454 |
| The John Adams Presidency | 0 | - | 4.12 | 8,673 |
| The Theodore Roosevelt Presidency | 0 | - | 4.39 | 7,678 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,765 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,225 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,106 |
| Top 10 Los Angeles Lakers of All-Time | 0 | - | 4.24 | 46,463 |
| Hawaiian Islands | 0 | - | 4.83 | 42,411 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,383 |
| Harvard University | 0 | - | 4.15 | 8,258 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,066 |
| Regions of U.S. States | 0 | - | 4.37 | 43,427 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,336 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,481 |
| Major U.S. Rivers with State Names | 0 | - | 4.49 | 39,342 |
| Satellite Images - U.S. States | 0 | - | 4.53 | 44,895 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,580 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,059 |
| U.S. States With Palm Trees | 0 | - | 4.52 | 45,588 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,456 |
| Top U.S. States in Crude Oil Production | 0 | - | 4.51 | 40,960 |
| U.S. States by Emoji | 0 | - | 4.48 | 100,070 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,757 |
| Random General Knowledge - U.S. States | 0 | - | 4.46 | 41,731 |
