| Name a Valid U.S. President #1 | 0 | - | 4.89 | 191,309 |
| Confederate States of the U.S. Civil War | 0 | - | 4.90 | 129,122 |
| U.S. Senators by State | 0 | - | 4.45 | 39,903 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 425,807 |
| Vietnam War Countries | 0 | - | 4.83 | 94,060 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 625,183 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,687,528 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 304,596 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,853 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,141 |
| Random U.S. States on a Map | 0 | - | 4.96 | 624,973 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,667 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,420 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,214 |
| Top 10 U.S. Swing States in the 2024 Election | 0 | - | 4.51 | 75,128 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,924 |
| U.S. President Scramble | 0 | - | 4.40 | 116,628 |
| US States Quiz | 0 | - | 5.00 | 16,829,144 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,564 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,736 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,355 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,629 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,150 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,192 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,675 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,950 |
| U.S. States By Population | 0 | - | 4.92 | 152,993 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,174 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,308 |
| US States with an Empty Map | 0 | - | 5.00 | 623,196 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,113 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,098 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,450 |
| Presidential Actors | 0 | - | 4.36 | 19,149 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,839 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 505,386 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,367 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,398 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,220 |
| Draw All US State Borders | 0 | - | 4.99 | 136,549 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,793 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,704 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,872 |
| United States Map Quiz | 0 | - | 4.98 | 4,153,684 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 381,063 |
| U.S. Presidents to Win the Nobel Peace Prize | 0 | - | 4.34 | 18,299 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,268 |
| U.S. State Flags | 0 | - | 4.89 | 169,690 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,307 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,301 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,822 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,532 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,645 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,515 |
| U.S. Presidents by Event | 0 | - | 4.58 | 34,237 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,574 |
| Presidential Middle Names | 0 | - | 4.41 | 60,098 |
| The George W. Bush Presidency | 0 | - | 4.06 | 32,165 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,174 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,429 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,934 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,350 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,141 |
| The American Revolution | 0 | - | 4.52 | 54,210 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,533,442 |
| U.S. States by Church Attendance | 0 | - | 4.59 | 32,388 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,866 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,623 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,782 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,421 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,597 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,350 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,776 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,151 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,309 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,318 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,173 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,165 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,795 |
| History of Florida | 0 | - | 4.45 | 9,809 |
| The Life of Martin Luther King Jr. | 0 | - | 4.73 | 11,097 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,724 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,066 |
| History of Texas | 0 | - | 4.43 | 14,603 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,811 |
| New England States | 0 | - | 4.51 | 59,781 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,388,778 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,742 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,981 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,683 |
| US States by Borders in 30 Seconds | 0 | - | 4.67 | 2,676,487 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,911 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,866 |
| U.S. States by Borders | 0 | - | 4.61 | 35,256 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 184,984 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,425 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,937 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 144,265 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,693 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,140 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,096 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,002 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 41,967 |
| Pixelated United States Map | 0 | - | 4.87 | 94,060 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,327 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,503 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,125 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,520 |
| U.S. Vice Presidents | 0 | - | 4.39 | 136,039 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,241 |
| First Ladies of the United States | 0 | - | 4.28 | 85,532 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,198 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 76,919 |
| US Presidents Breakdown Puzzle #1 | 0 | - | 3.69 | 20,028 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,157 |
| Add a Letter - Make a U.S. President | 0 | - | 4.57 | 23,929 |
| The Barack Obama Presidency | 0 | - | 4.16 | 25,365 |
| The Kennedy Family | 0 | - | 3.90 | 14,059 |
| California A-Z | 0 | - | 4.49 | 28,772 |
| History of California | 0 | - | 4.40 | 18,739 |
| History of Georgia (U.S. State) | 0 | - | 4.30 | 13,211 |
| History of Illinois | 0 | - | 4.24 | 11,212 |
| History of Maryland | 0 | - | 4.06 | 6,683 |
| History of Massachusetts | 0 | - | 4.14 | 8,378 |
| History of Michigan | 0 | - | 4.26 | 6,935 |
| History of New York | 0 | - | 4.36 | 16,333 |
| History of New Jersey | 0 | - | 4.38 | 7,247 |
| History of Ohio | 0 | - | 4.14 | 7,332 |
| History of Tennessee | 0 | - | 4.29 | 7,656 |
| History of Washington State | 0 | - | 4.27 | 6,871 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,488 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,766 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,436 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 38,980 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,842 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,698 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,658 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,427 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,432 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,144 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 53,914 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,368 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,735 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,476 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 234,127 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,891 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,948 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,742 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,706 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,466 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,592 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,760 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,499 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,036 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,417 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,106 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,591 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,334 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,363 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,791 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,151 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,467 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,356 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,160 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,681 |
| The Iraq War | 0 | - | 4.47 | 15,637 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,551 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,092 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,040 |
| Rivers of the United States | 0 | - | 4.93 | 66,065 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,968 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,037 |
| U.S. Presidential Quotes | 0 | - | 4.37 | 44,467 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,637 |
| U.S. Presidential Running Mates | 0 | - | 4.40 | 28,598 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,114 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,712 |
| Random U.S. Vice President to President | 0 | - | 4.39 | 30,615 |
| The John Adams Presidency | 0 | - | 4.12 | 8,730 |
| The Theodore Roosevelt Presidency | 0 | - | 4.39 | 7,727 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,834 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,093 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,369 |
| California... or Florida? | 0 | - | 4.60 | 51,272 |
| Top 10 Los Angeles Lakers of All-Time | 0 | - | 4.24 | 46,804 |
| Hawaiian Islands | 0 | - | 4.83 | 42,648 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,963 |
| Harvard University | 0 | - | 4.15 | 8,290 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,264 |
| Regions of U.S. States | 0 | - | 4.37 | 43,782 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,369 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,549 |
| Major U.S. Rivers with State Names | 0 | - | 4.49 | 39,517 |
| Satellite Images - U.S. States | 0 | - | 4.53 | 45,103 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,781 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,305 |
| U.S. States With Palm Trees | 0 | - | 4.52 | 45,751 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,505 |
| Top U.S. States in Crude Oil Production | 0 | - | 4.51 | 41,062 |
| U.S. States by Emoji | 0 | - | 4.48 | 100,659 |
