| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,608 |
| Vietnam War Countries | 0 | - | 4.83 | 93,526 |
| Random U.S. States on a Map | 0 | - | 4.96 | 620,695 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,114 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,215 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,414 |
| Six Flags Over Texas | 0 | - | 4.79 | 62,963 |
| US States Quiz | 0 | - | 5.00 | 16,676,348 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 217,956 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,245 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,028 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,648,046 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,571 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,588 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,515,871 |
| The American Revolution | 0 | - | 4.52 | 54,028 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,562 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,378,888 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,188 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,247 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,466 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,727 |
| U.S. States By Population | 0 | - | 4.92 | 152,239 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,230 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,762 |
| US States with an Empty Map | 0 | - | 5.00 | 618,034 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,432 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,696 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,776 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,364 |
| U.S. Senators by State | 0 | - | 4.44 | 39,717 |
| Which City in California? | 0 | - | 4.56 | 31,864 |
| History of Florida | 0 | - | 4.45 | 9,756 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,183 |
| History of Texas | 0 | - | 4.43 | 14,544 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,439 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,454 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,923 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,520 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,767 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,419 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,443 |
| Hawaiian Islands | 0 | - | 4.83 | 42,393 |
| Harvard University | 0 | - | 4.15 | 8,257 |
| U.S. States by Clue #1 | 0 | - | 4.52 | 38,516 |
| U.S. State Flags | 0 | - | 4.89 | 166,638 |
| U.S. States that Border Canada | 0 | - | 4.91 | 181,799 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,390 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,642 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 87,907 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,330 |
| History of California | 0 | - | 4.40 | 18,686 |
| Top 10 Los Angeles Lakers of All-Time | 0 | - | 4.24 | 46,428 |
| Which City in Florida? | 0 | - | 4.61 | 10,917 |
| History of Michigan | 0 | - | 4.26 | 6,898 |
| History of New York | 0 | - | 4.36 | 16,274 |
| Which City in Texas? | 0 | - | 4.45 | 24,955 |
| Random General Knowledge - U.S. States | 0 | - | 4.46 | 41,723 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,560 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,485 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,151 |
| Name a Valid African Country | 0 | - | 4.98 | 152,793 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,824 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,229 |
| Name the U.S. National Parks | 0 | - | 4.85 | 57,283 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,132 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,496 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,730 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,014 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 239,903 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,473 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 303,141 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,374 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,306 |
| States that Beat California | 0 | - | 4.54 | 63,185 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 72,961 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,514 |
| States that Beat New York | 0 | - | 4.51 | 44,489 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,420 |
| States that Beat Texas | 0 | - | 4.58 | 44,062 |
| New England States | 0 | - | 4.51 | 59,695 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,412 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,872 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,251 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,662,327 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,587 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,629 |
| U.S. States by Borders | 0 | - | 4.63 | 35,041 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 182,225 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,206 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,079 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,210 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 112,993 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,652 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,479 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,234 |
| Name a Valid Asian Country | 0 | - | 4.98 | 119,922 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,601 |
| Countries that Beat Australia | 0 | - | 4.92 | 91,996 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,753 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,480 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.49 | 37,075 |
| Pixelated United States Map | 0 | - | 4.89 | 93,271 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,260 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,699 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,254 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 617,249 |
| Presidential Actors | 0 | - | 4.36 | 19,046 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,807 |
| U.S. President Scramble | 0 | - | 4.40 | 116,132 |
| U.S. Presidents to Win the Nobel Peace Prize | 0 | - | 4.34 | 18,195 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 22,991 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,667 |
| States that Beat Alaska | 0 | - | 4.49 | 26,367 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,459 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,597 |
| California A-Z | 0 | - | 4.49 | 28,695 |
| State Quiz - California | 0 | - | 4.68 | 63,900 |
| Golden State Warriors Trivia | 0 | - | 4.23 | 24,613 |
| State Quiz - Florida | 0 | - | 4.47 | 61,888 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,599 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 70,748 |
| States that Beat Florida | 0 | - | 4.32 | 40,566 |
| History of Georgia (U.S. State) | 0 | - | 4.30 | 13,171 |
| History of Illinois | 0 | - | 4.24 | 11,170 |
| History of Maryland | 0 | - | 4.06 | 6,646 |
| History of Massachusetts | 0 | - | 4.14 | 8,319 |
| Top 10 Boston Celtics Players | 0 | - | 4.05 | 23,550 |
| Boston Celtics Trivia | 0 | - | 4.09 | 14,273 |
| New York Cities Map Quiz | 0 | - | 4.54 | 42,018 |
| State Quiz - New York | 0 | - | 4.52 | 45,688 |
| Cities that Beat New York | 0 | - | 4.51 | 28,231 |
| States That Beat Montana | 0 | - | 4.49 | 25,533 |
| History of New Jersey | 0 | - | 4.38 | 7,199 |
| State Quiz - Texas | 0 | - | 4.43 | 62,450 |
| History of Ohio | 0 | - | 4.14 | 7,301 |
| History of Tennessee | 0 | - | 4.29 | 7,626 |
| History of Washington State | 0 | - | 4.27 | 6,834 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,100 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,646 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,302 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,617 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,342 |
| U.S. States with More Cows than People | 0 | - | 4.63 | 40,413 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,140 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,251 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,008 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.45 | 49,724 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,826 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,226 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,403 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,012 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,541 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,313 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,233 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,451 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,429 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,758 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,021 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,385 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,013 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,600 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 100,950 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 81,853 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,722 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,760 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,831 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,347 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,752 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,481 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,390 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,534 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,231 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,381 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,784 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,581 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,389 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,738 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,052 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,117 |
| The Iraq War | 0 | - | 4.47 | 15,538 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,194 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,109 |
| Countries that Beat China | 0 | - | 4.86 | 114,576 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,593 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 88,311 |
| Rivers of the United States | 0 | - | 4.93 | 65,422 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,300 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,864 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,042 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 80,797 |
| Top 10 U.S. Swing States in the 2024 Election | 0 | - | 4.51 | 74,858 |
| U.S. Vice Presidents | 0 | - | 4.41 | 134,705 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 107,830 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,336 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 92,901 |
| Presidential Middle Names | 0 | - | 4.41 | 59,626 |
| The George W. Bush Presidency | 0 | - | 4.06 | 32,078 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,654 |
| Assassinated U.S. Presidents | 0 | - | 4.61 | 93,730 |
