| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,738 |
| Vietnam War Countries | 0 | - | 4.82 | 94,765 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,731,729 |
| Random U.S. States on a Map | 0 | - | 4.96 | 631,317 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.97 | 194,980 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 146,099 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 428,922 |
| American Revolution Decoder | 0 | - | 4.12 | 21,004 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 235,465 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,933 |
| US States Quiz | 0 | - | 5.00 | 17,025,727 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,915 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,904 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.89 | 114,525 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 194,052 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,974 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,208 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 511,051 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,453 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,472 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,542 |
| U.S. States that Start with M | 0 | - | 4.94 | 188,590 |
| U.S. States By Population | 0 | - | 4.92 | 154,273 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,393 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,993 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,471 |
| US States with an Empty Map | 0 | - | 5.00 | 629,684 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,995 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,607 |
| Draw All US State Borders | 0 | - | 4.99 | 141,600 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,223 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,420 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,629 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,802 |
| Win the U.S. Presidential Election | 0 | - | 4.79 | 637,473 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 306,435 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,969 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,673 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,741 |
| U.S. State Flags | 0 | - | 4.88 | 173,542 |
| U.S. States that Border Canada | 0 | - | 4.91 | 187,103 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,909 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,295 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 93,005 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 304,307 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,568 |
| Countries of the German Empire | 0 | - | 4.51 | 38,314 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,877 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,763 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 109,679 |
| U.S. Presidents by Event | 0 | - | 4.58 | 35,484 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.62 | 94,768 |
| Presidential Middle Names | 0 | - | 4.42 | 60,812 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,755 |
| Assassinated U.S. Presidents | 0 | - | 4.62 | 94,944 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,661 |
| U.S. President Scramble | 0 | - | 4.40 | 117,574 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,558,732 |
| U.S. States by Church Attendance | 0 | - | 4.59 | 32,583 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,787 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,857 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,226 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,698 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,753 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,700 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 61,464 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,969 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,995 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,039 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,081 |
| U.S. Senators by State | 0 | - | 4.44 | 40,148 |
| Top 10 U.S. Swing States in the 2024 Election | 0 | - | 4.51 | 75,489 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,248 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 35,260 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 70,671 |
| History of Florida | 0 | - | 4.45 | 9,886 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,258 |
| History of Texas | 0 | - | 4.43 | 14,703 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,343 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,388 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,773 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,606 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,580 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,771 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,093 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,335 |
| Pixelated United States Map | 0 | - | 4.89 | 94,951 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,769 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,616 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,174 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,647 |
| U.S. Vice Presidents | 0 | - | 4.39 | 137,202 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,383 |
| U.S. Presidential Running Mates | 0 | - | 4.41 | 28,799 |
| Presidential Actors | 0 | - | 4.36 | 19,264 |
| First Ladies of the United States | 0 | - | 4.28 | 86,031 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,339 |
| U.S. Presidents in Order by First Letter | 0 | - | 4.32 | 77,543 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,387 |
| Add a Letter - Make a U.S. President | 0 | - | 4.58 | 24,123 |
| Win the 1828 U.S. Presidential Election | 0 | - | 4.32 | 59,664 |
| The Life of Martin Luther King Jr. | 0 | - | 4.73 | 11,150 |
| Harvard University | 0 | - | 4.15 | 8,335 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,838 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 192,031 |
| New England States | 0 | - | 4.51 | 59,914 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,197 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,400,126 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,180 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,117 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,139 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,689 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.70 | 61,541 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,233 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,183 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,696,096 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,342 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,191 |
| U.S. States by Borders | 0 | - | 4.61 | 35,517 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 189,316 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,722 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,406 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,988 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,201 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,188 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,329 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,783 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,883 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,730 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 68,073 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,962 |
| Countries of the Italian Empire | 0 | - | 4.21 | 27,855 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,139 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,120 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,843 |
| 10 Longest Rivers in the United States | 0 | - | 4.86 | 39,465 |
| Rivers of the United States | 0 | - | 4.93 | 66,798 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 53,126 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,421 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,934 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,319 |
| U.S. Presidential Quotes | 0 | - | 4.37 | 44,625 |
| The George W. Bush Presidency | 0 | - | 4.06 | 32,299 |
| The Richard Nixon Presidency | 0 | - | 4.05 | 22,111 |
| US Presidents Breakdown Puzzle #1 | 0 | - | 3.69 | 20,153 |
| People in Pictures with Ronald Reagan | 0 | - | 4.35 | 40,953 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,372 |
| U.S. Presidents by Picture - Multiple Choice | 0 | - | 4.50 | 29,084 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 48,117 |
| Colonies of the Americas in 1775 with a Map | 0 | - | 4.89 | 20,020 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,317 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,752 |
| History of California | 0 | - | 4.40 | 18,807 |
| California... or Florida? | 0 | - | 4.60 | 51,907 |
| History of Georgia (U.S. State) | 0 | - | 4.30 | 13,273 |
| History of Illinois | 0 | - | 4.24 | 11,264 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,710 |
| History of Maryland | 0 | - | 4.06 | 6,743 |
| History of Massachusetts | 0 | - | 4.14 | 8,443 |
| History of Michigan | 0 | - | 4.26 | 6,995 |
| History of New York | 0 | - | 4.36 | 16,433 |
| History of New Jersey | 0 | - | 4.38 | 7,319 |
| History of Ohio | 0 | - | 4.14 | 7,392 |
| History of Tennessee | 0 | - | 4.29 | 7,695 |
| History of Washington State | 0 | - | 4.27 | 6,923 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,924 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 38,566 |
| U.S. States by Clue #1 | 0 | - | 4.50 | 45,030 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,903 |
| Satellite Images - U.S. States | 0 | - | 4.54 | 45,427 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,765 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 75,122 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,623 |
| U.S. States With Palm Trees | 0 | - | 4.52 | 45,970 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,581 |
| Top U.S. States in Crude Oil Production | 0 | - | 4.51 | 41,149 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,929 |
| U.S. States by Emoji | 0 | - | 4.48 | 101,501 |
| Random General Knowledge - U.S. States | 0 | - | 4.46 | 42,212 |
| Flyover States | 0 | - | 4.53 | 29,619 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,308 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,461 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,483 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,210 |
| U.S. States with Spanish Names | 0 | - | 4.49 | 88,362 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,576 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,492 |
| Cartoon Versions of U.S. States | 0 | - | 4.77 | 64,178 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,352 |
| Least Visited U.S. States by JetPunkers | 0 | - | 4.44 | 71,030 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,718 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,786 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 126,058 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,716 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,589 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,120 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,288 |
| Draw All US State Borders - Extreme | 0 | - | 4.99 | 79,516 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,655 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 105,002 |
