| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,863 |
| Vietnam War Countries | 0 | - | 4.83 | 93,841 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,669,977 |
| Random U.S. States on a Map | 0 | - | 4.96 | 623,207 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,929 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 143,707 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 424,683 |
| American Revolution Decoder | 0 | - | 4.10 | 20,898 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,714 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 380,190 |
| US States Quiz | 0 | - | 5.00 | 16,761,975 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,962 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,413 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,414 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,506 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,884 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,226 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 503,622 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,816 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,813 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,222 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,466 |
| U.S. States By Population | 0 | - | 4.92 | 152,697 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,791 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,101 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,984 |
| US States with an Empty Map | 0 | - | 5.00 | 620,871 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,876 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,939 |
| Draw All US State Borders | 0 | - | 4.99 | 134,850 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,187 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,194 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,382 |
| United States Map Quiz | 0 | - | 4.98 | 4,146,906 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 621,587 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 303,984 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,560 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,117 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,578 |
| U.S. State Flags | 0 | - | 4.89 | 168,433 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,405 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,414 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,902 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,428 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 300,664 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,828 |
| Countries of the German Empire | 0 | - | 4.51 | 37,763 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,275 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,041 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,203 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,833 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,272 |
| Presidential Middle Names | 0 | - | 4.41 | 59,875 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,924 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,116 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,250 |
| U.S. President Scramble | 0 | - | 4.40 | 116,406 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,524,995 |
| U.S. States by Church Attendance | 0 | - | 4.59 | 32,335 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,326 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,111 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,506 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,780 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,000 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 59,842 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,150 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,707 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,503 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,107 |
| U.S. Senators by State | 0 | - | 4.45 | 39,825 |
| Top 10 U.S. Swing States in the 2024 Election | 0 | - | 4.51 | 75,015 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,067 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,829 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,618 |
| History of Florida | 0 | - | 4.45 | 9,785 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,360 |
| History of Texas | 0 | - | 4.43 | 14,574 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,649 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,723 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,148 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,904 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,494 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,943 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,642 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,964 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,351 |
| Pixelated United States Map | 0 | - | 4.89 | 93,745 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,893 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,168 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,633 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,413 |
| U.S. Vice Presidents | 0 | - | 4.39 | 135,520 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,191 |
| Presidential Actors | 0 | - | 4.36 | 19,101 |
| First Ladies of the United States | 0 | - | 4.28 | 85,347 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,856 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,151 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 76,616 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,066 |
| Add a Letter - Make a U.S. President | 0 | - | 4.57 | 23,873 |
| The Life of Martin Luther King Jr. | 0 | - | 4.73 | 11,073 |
| Harvard University | 0 | - | 4.15 | 8,277 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,846 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,647 |
| New England States | 0 | - | 4.51 | 59,738 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,740 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,384,484 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,556 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,604 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,936 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,351 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,090 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,519 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,116 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,670,358 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,791 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,764 |
| U.S. States by Borders | 0 | - | 4.63 | 35,168 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 183,617 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,340 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,736 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,667 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,544 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,398 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,286 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,751 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,236 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,903 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,088 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,724 |
| Countries of the Italian Empire | 0 | - | 4.21 | 27,599 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,336 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,408 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,911 |
| Rivers of the United States | 0 | - | 4.93 | 65,744 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 41,442 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,740 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,033 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,950 |
| U.S. Presidential Quotes | 0 | - | 4.37 | 44,397 |
| The George W. Bush Presidency | 0 | - | 4.06 | 32,118 |
| The Richard Nixon Presidency | 0 | - | 4.05 | 21,952 |
| US Presidents Breakdown Puzzle #1 | 0 | - | 3.69 | 19,976 |
| People in Pictures with Ronald Reagan | 0 | - | 4.35 | 40,523 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,072 |
| U.S. Presidents by Picture - Multiple Choice | 0 | - | 4.49 | 28,677 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,759 |
| Colonies of the Americas in 1775 with a Map | 0 | - | 4.88 | 19,349 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,702 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,259 |
| History of California | 0 | - | 4.40 | 18,712 |
| California... or Florida? | 0 | - | 4.60 | 51,132 |
| History of Georgia (U.S. State) | 0 | - | 4.30 | 13,192 |
| History of Illinois | 0 | - | 4.24 | 11,191 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,693 |
| History of Maryland | 0 | - | 4.06 | 6,665 |
| History of Massachusetts | 0 | - | 4.14 | 8,350 |
| History of Michigan | 0 | - | 4.26 | 6,917 |
| History of New York | 0 | - | 4.36 | 16,305 |
| History of New Jersey | 0 | - | 4.38 | 7,224 |
| History of Ohio | 0 | - | 4.14 | 7,319 |
| History of Tennessee | 0 | - | 4.29 | 7,642 |
| History of Washington State | 0 | - | 4.27 | 6,848 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,719 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,373 |
| U.S. States by Clue #1 | 0 | - | 4.50 | 38,779 |
| U.S. States with More Cows than People | 0 | - | 4.70 | 46,457 |
| Satellite Images - U.S. States | 0 | - | 4.53 | 45,003 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,304 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,688 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,212 |
| U.S. States With Palm Trees | 0 | - | 4.52 | 45,680 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,481 |
| Top U.S. States in Crude Oil Production | 0 | - | 4.51 | 41,026 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 53,505 |
| U.S. States by Emoji | 0 | - | 4.48 | 100,404 |
| Random General Knowledge - U.S. States | 0 | - | 4.46 | 41,839 |
| Flyover States | 0 | - | 4.52 | 29,437 |
| U.S. States With Double Letters | 0 | - | 4.54 | 23,993 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 75,943 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,256 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 37,011 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,531 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,442 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,656 |
| Cartoon Versions of U.S. States | 0 | - | 4.77 | 63,663 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,818 |
| Least Visited U.S. States by JetPunkers | 0 | - | 4.44 | 70,425 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,355 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,531 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,147 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,000 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,331 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,139 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,667 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,800 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,088 |
| Least Irish U.S. States | 0 | - | 4.49 | 18,251 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,363 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,053 |
