| U.S. Presidents Quiz | 0 | - | 5.00 | 3,709,278 |
| Hawaiian Islands | 0 | - | 4.83 | 42,780 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,388 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 507,949 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,358 |
| U.S. State Flags | 0 | - | 4.88 | 171,385 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,888 |
| The American Civil War | 0 | - | 4.62 | 52,505 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,235 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,946 |
| U.S. Presidents by Event | 0 | - | 4.58 | 34,739 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 94,024 |
| Presidential Middle Names | 0 | - | 4.41 | 60,423 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,460 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,675 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,490 |
| Colorado Counties | 0 | - | 4.45 | 26,789 |
| Georgia Counties | 0 | - | 4.51 | 49,657 |
| North Carolina Counties | 0 | - | 4.54 | 53,425 |
| Ohio Counties | 0 | - | 4.48 | 45,960 |
| Pennsylvania Counties | 0 | - | 4.50 | 53,024 |
| Virginia Counties | 0 | - | 4.45 | 33,318 |
| West Virginia Counties | 0 | - | 4.63 | 33,878 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,199 |
| Random General Knowledge - U.S. States | 0 | - | 4.46 | 42,058 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,069 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,851 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 35,057 |
| United States Map Quiz | 0 | - | 4.98 | 4,163,861 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 630,276 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,603 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,255 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,455 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,206 |
| The Vietnam War | 0 | - | 4.44 | 35,581 |
| Puerto Rico Trivia | 0 | - | 4.51 | 12,022 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 427,110 |
| U.S. Vice Presidents | 0 | - | 4.39 | 136,517 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,281 |
| First Ladies of the United States | 0 | - | 4.28 | 85,751 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,251 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 382,362 |
| U.S. Presidents in Order by First Letter | 0 | - | 4.32 | 77,282 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,238 |
| Add a Letter - Make a U.S. President | 0 | - | 4.57 | 24,003 |
| State Quiz - Hawaii | 0 | - | 4.35 | 65,431 |
| Illinois Counties | 0 | - | 4.56 | 30,475 |
| Indiana Counties | 0 | - | 4.46 | 29,050 |
| U.S. States that Border Missouri | 0 | - | 4.55 | 12,841 |
| Las Vegas Casinos | 0 | - | 4.13 | 38,091 |
| New Jersey Counties | 0 | - | 4.57 | 30,414 |
| Washington Counties | 0 | - | 4.78 | 26,986 |
| Wisconsin Counties | 0 | - | 4.51 | 27,030 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,611 |
| Which City in Canada? | 0 | - | 4.83 | 57,152 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,858 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,974 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,293 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,623 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,767 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,812 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,626 |
| Names of Generations | 0 | - | 4.09 | 45,218 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,172 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,613 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,459 |
| Top 10 U.S. Swing States in the 2024 Election | 0 | - | 4.51 | 75,293 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 192,647 |
| California Groups of Things | 0 | - | 4.25 | 45,530 |
| History of Florida | 0 | - | 4.45 | 9,844 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,424 |
| New York Groups of Things | 0 | - | 4.35 | 63,956 |
| New York Counties | 0 | - | 4.65 | 50,829 |
| Texas Counties | 0 | - | 4.56 | 77,023 |
| History of Texas | 0 | - | 4.43 | 14,654 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,040 |
| North Dakota... or South Dakota? | 0 | - | 4.45 | 13,728 |
| American History Quotes #1 | 0 | - | 4.37 | 96,104 |
| American History Quotes #2 | 0 | - | 4.38 | 41,445 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,508 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,277 |
| US States Quiz | 0 | - | 5.00 | 16,921,695 |
| Major U.S. Rivers with State Names | 0 | - | 4.49 | 39,652 |
| Satellite Images - U.S. States | 0 | - | 4.53 | 45,233 |
| U.S. States by Church Attendance | 0 | - | 4.59 | 32,482 |
| Cartoon Versions of U.S. States | 0 | - | 4.75 | 64,019 |
| U.S. States by Nickname | 0 | - | 4.57 | 69,606 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,679 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,775 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,577 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,399 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,601 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,127 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,892 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,911 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,232 |
| American Monopoly Board - Map Quiz | 0 | - | 4.52 | 21,226 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,259 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,944 |
| U.S. Presidential Running Mates | 0 | - | 4.40 | 28,678 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,751 |
| Random U.S. Vice President to President | 0 | - | 4.39 | 30,673 |
| The John Adams Presidency | 0 | - | 4.12 | 8,762 |
| The Theodore Roosevelt Presidency | 0 | - | 4.39 | 7,749 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,871 |
| California Counties Map Quiz | 0 | - | 4.36 | 34,527 |
| State Quiz - Colorado | 0 | - | 4.38 | 48,402 |
| Harvard University | 0 | - | 4.15 | 8,306 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,414 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,399 |
| Tennessee Counties Quiz | 0 | - | 4.23 | 26,177 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,846 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,973 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,415 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,680 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 262,265 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,076 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,287 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,023 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,842 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,367 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,110 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,255 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,113 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,621 |
| Name a Valid African Country | 0 | - | 4.98 | 154,393 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,242 |
| Pixelated United States Map | 0 | - | 4.88 | 94,488 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,964 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,009 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,715 |
| The George Washington Presidency | 0 | - | 4.03 | 14,569 |
| Franklin... or Theodore Roosevelt | 0 | - | 4.35 | 16,949 |
| U.S. Presidential Knowledge - Multiple Choice | 0 | - | 4.36 | 21,708 |
| Star-Spangled Banner Lyrics | 0 | - | 4.36 | 179,544 |
| State Quiz - Alaska | 0 | - | 4.42 | 42,140 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,790 |
| Fictional Characters from California by Picture | 0 | - | 4.23 | 22,542 |
| History of California | 0 | - | 4.40 | 18,769 |
| California Counties | 0 | - | 4.39 | 119,670 |
| State Quiz - California | 0 | - | 4.69 | 64,570 |
| State Quiz - Florida | 0 | - | 4.47 | 62,435 |
| Florida Counties | 0 | - | 4.39 | 48,750 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,623 |
| History of Georgia (U.S. State) | 0 | - | 4.30 | 13,241 |
| Countries Closest to Hawaii | 0 | - | 4.55 | 53,764 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,441 |
| History of Illinois | 0 | - | 4.24 | 11,235 |
| State Quiz - Kentucky | 0 | - | 4.42 | 32,533 |
| History of Maryland | 0 | - | 4.06 | 6,704 |
| History of Massachusetts | 0 | - | 4.14 | 8,405 |
| Michigan Counties | 0 | - | 4.63 | 30,456 |
| History of Michigan | 0 | - | 4.26 | 6,961 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,866 |
| Fictional Characters from New York | 0 | - | 4.09 | 21,417 |
| State Quiz - New York | 0 | - | 4.52 | 46,224 |
| History of New York | 0 | - | 4.36 | 16,379 |
| History of New Jersey | 0 | - | 4.38 | 7,282 |
| State Quiz - New Jersey | 0 | - | 4.42 | 38,216 |
| State Quiz - Texas | 0 | - | 4.43 | 62,974 |
| History of Ohio | 0 | - | 4.14 | 7,361 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 49,119 |
| History of Tennessee | 0 | - | 4.29 | 7,675 |
| State Quiz - Tennessee | 0 | - | 4.54 | 34,233 |
| State Quiz - Virginia | 0 | - | 4.53 | 40,373 |
| State Quiz - Washington | 0 | - | 4.45 | 36,505 |
| History of Washington State | 0 | - | 4.27 | 6,889 |
| Events in U.S. History | 0 | - | 4.41 | 28,718 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,134 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,647 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,139 |
| U.S. States Bordering the Great Lakes | 0 | - | 4.55 | 18,273 |
| Top 10 Most Jewish U.S. States | 0 | - | 4.31 | 43,028 |
| States and Provinces that Touch the Great Lakes | 0 | - | 4.55 | 28,916 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,734 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,686 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,362 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,677 |
| U.S. States By Population | 0 | - | 4.92 | 153,756 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,739 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,606 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,859 |
| US States with an Empty Map | 0 | - | 5.00 | 626,114 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,716 |
| States in a Tank of the U.S. Map | 0 | - | 4.47 | 31,338 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,521 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,337 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,803 |
| TV Shows by U.S. State | 0 | - | 4.33 | 47,486 |
| U.S. States by Alternate Nicknames | 0 | - | 4.24 | 42,947 |
| Colleges by U.S. State - Multiple Choice | 0 | - | 4.57 | 23,078 |
| U.S. National Parks by State - Multiple Choice | 0 | - | 4.46 | 19,284 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,301 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,960 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,429 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,676 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,457 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,957 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,618 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,734 |
