| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,786 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,668 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,590 |
| Vietnam War Countries | 0 | - | 4.83 | 93,584 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 618,220 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,652,933 |
| U.S. Senators by State | 0 | - | 4.45 | 39,743 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,655 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,229 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,473 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,102 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 80,856 |
| Top 10 U.S. Swing States in the 2024 Election | 0 | - | 4.51 | 74,892 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,812 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 303,323 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,383 |
| US States Quiz | 0 | - | 5.00 | 16,695,498 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,473 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,451 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,216 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,012 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,800 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,512 |
| The American Revolution | 0 | - | 4.52 | 54,049 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,697 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,331 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,377 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,625 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,873 |
| U.S. States By Population | 0 | - | 4.92 | 152,330 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,371 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,842 |
| US States with an Empty Map | 0 | - | 5.00 | 618,635 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,530 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,752 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,864 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,219 |
| Presidential Actors | 0 | - | 4.36 | 19,060 |
| U.S. President Scramble | 0 | - | 4.40 | 116,187 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,678 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,546 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,625 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,544 |
| Draw All US State Borders | 0 | - | 4.99 | 133,493 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,023 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,677 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,893 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,291 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,504 |
| U.S. Presidents to Win the Nobel Peace Prize | 0 | - | 4.34 | 18,206 |
| Six Flags Over Texas | 0 | - | 4.79 | 63,002 |
| U.S. State Flags | 0 | - | 4.89 | 166,988 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,357 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,438 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,294 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,371 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,881 |
| U.S. Vice Presidents | 0 | - | 4.41 | 134,888 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 107,922 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,454 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 92,989 |
| Presidential Middle Names | 0 | - | 4.41 | 59,688 |
| The George W. Bush Presidency | 0 | - | 4.06 | 32,086 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,716 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 93,800 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,732 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,161 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,016 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,691 |
| California A-Z | 0 | - | 4.49 | 28,703 |
| California... or Florida? | 0 | - | 4.60 | 50,956 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,517,912 |
| U.S. States by Church Attendance | 0 | - | 4.59 | 32,242 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,081 |
| Top U.S. States in Crude Oil Production | 0 | - | 4.51 | 40,971 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,595 |
| Least Visited U.S. States by JetPunkers | 0 | - | 4.44 | 70,251 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,319 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,681 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,317 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,850 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,849 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,937 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,819 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,291 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,633 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,849 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,120 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,820 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,508 |
| History of Florida | 0 | - | 4.45 | 9,763 |
| The Life of Martin Luther King Jr. | 0 | - | 4.73 | 11,057 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,040 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,606 |
| History of Texas | 0 | - | 4.43 | 14,551 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,474 |
| New England States | 0 | - | 4.51 | 59,704 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,379,788 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,469 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,881 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,302 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,664,047 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,624 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,656 |
| U.S. States Richer than Their Neighbors | 0 | - | 4.43 | 27,207 |
| U.S. States by Borders | 0 | - | 4.63 | 35,065 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 182,462 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,229 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,127 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 143,131 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,764 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,213 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,651 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,946 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,795 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,861 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 39,134 |
| Pixelated United States Map | 0 | - | 4.89 | 93,450 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,435 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,826 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,379 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,529 |
| Arms Exports - United States | 0 | - | 4.70 | 54,334 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,374 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,163 |
| First Ladies of the United States | 0 | - | 4.28 | 85,230 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,110 |
| 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 | 23,829 |
| The Barack Obama Presidency | 0 | - | 4.16 | 25,251 |
| The Kennedy Family | 0 | - | 3.90 | 14,025 |
| History of California | 0 | - | 4.40 | 18,694 |
| 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 | 8,327 |
| History of Michigan | 0 | - | 4.26 | 6,902 |
| New York City A-Z | 0 | - | 4.18 | 32,189 |
| History of New York | 0 | - | 4.36 | 16,280 |
| 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 | 6,837 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,220 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,662 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,315 |
| U.S. States by Clue #1 | 0 | - | 4.53 | 38,586 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,658 |
| Top 10 Most Jewish U.S. States | 0 | - | 4.31 | 42,727 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,394 |
| U.S. States with More Cows than People | 0 | - | 4.63 | 40,432 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,178 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,271 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,025 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.46 | 51,582 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,881 |
| States in a Tank of the U.S. Map | 0 | - | 4.47 | 31,024 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,283 |
| Most Visited U.S. States by JetPunkers | 0 | - | 4.35 | 44,329 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,411 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,155 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,458 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,676 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,569 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,371 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,263 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,470 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,853 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,066 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,463 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,058 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,651 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,072 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,923 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,812 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,681 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,449 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,517 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,818 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,203 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,523 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,192 |
| The Iraq War | 0 | - | 4.47 | 15,549 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,253 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,703 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 88,409 |
| Rivers of the United States | 0 | - | 4.93 | 65,493 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,391 |
| Mayors of New York City | 0 | - | 3.96 | 12,139 |
| 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 | 30,493 |
| The John Adams Presidency | 0 | - | 4.12 | 8,676 |
| The Theodore Roosevelt Presidency | 0 | - | 4.39 | 7,681 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,770 |
