| U.S. Presidents Quiz | 0 | - | 5.00 | 3,727,348 |
| Hawaiian Islands | 0 | - | 4.83 | 42,962 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,530 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 510,380 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,751 |
| U.S. State Flags | 0 | - | 4.89 | 173,104 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,597 |
| The American Civil War | 0 | - | 4.62 | 52,640 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,775 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 109,582 |
| U.S. Presidents by Event | 0 | - | 4.58 | 35,378 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.62 | 94,673 |
| Presidential Middle Names | 0 | - | 4.41 | 60,750 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,709 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,912 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,640 |
| Colorado Counties | 0 | - | 4.45 | 26,962 |
| Georgia Counties | 0 | - | 4.52 | 50,030 |
| North Carolina Counties | 0 | - | 4.54 | 53,690 |
| Ohio Counties | 0 | - | 4.48 | 46,206 |
| Pennsylvania Counties | 0 | - | 4.50 | 53,418 |
| Virginia Counties | 0 | - | 4.45 | 33,457 |
| West Virginia Counties | 0 | - | 4.63 | 34,009 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,833 |
| Random General Knowledge - U.S. States | 0 | - | 4.46 | 42,179 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,341 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,731 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 35,220 |
| United States Map Quiz | 0 | - | 4.98 | 4,172,053 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 636,152 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,182 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,630 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,617 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,434 |
| The Vietnam War | 0 | - | 4.44 | 35,663 |
| Puerto Rico Trivia | 0 | - | 4.52 | 12,071 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 428,620 |
| U.S. Vice Presidents | 0 | - | 4.39 | 137,069 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,372 |
| U.S. Presidential Running Mates | 0 | - | 4.41 | 28,782 |
| First Ladies of the United States | 0 | - | 4.28 | 85,995 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,322 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,685 |
| U.S. Presidents in Order by First Letter | 0 | - | 4.32 | 77,502 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,370 |
| Add a Letter - Make a U.S. President | 0 | - | 4.58 | 24,105 |
| State Quiz - Hawaii | 0 | - | 4.35 | 65,677 |
| Illinois Counties | 0 | - | 4.56 | 30,660 |
| Indiana Counties | 0 | - | 4.46 | 29,201 |
| U.S. States that Border Missouri | 0 | - | 4.55 | 12,864 |
| Las Vegas Casinos | 0 | - | 4.13 | 38,151 |
| New Jersey Counties | 0 | - | 4.57 | 30,633 |
| Washington Counties | 0 | - | 4.78 | 27,169 |
| Wisconsin Counties | 0 | - | 4.51 | 27,314 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,789 |
| Which City in Canada? | 0 | - | 4.83 | 57,371 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,953 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,186 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,694 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,908 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,856 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,996 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,977 |
| Names of Generations | 0 | - | 4.09 | 45,546 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,287 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,830 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,700 |
| Top 10 U.S. Swing States in the 2024 Election | 0 | - | 4.51 | 75,455 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 193,864 |
| California Groups of Things | 0 | - | 4.26 | 45,778 |
| Florida Counties | 0 | - | 4.41 | 49,102 |
| History of Florida | 0 | - | 4.45 | 9,874 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,055 |
| New York Groups of Things | 0 | - | 4.39 | 72,185 |
| New York Counties | 0 | - | 4.65 | 51,180 |
| Texas Counties | 0 | - | 4.56 | 77,989 |
| History of Texas | 0 | - | 4.43 | 14,689 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,285 |
| North Dakota... or South Dakota? | 0 | - | 4.45 | 13,746 |
| American History Quotes #1 | 0 | - | 4.37 | 96,212 |
| American History Quotes #2 | 0 | - | 4.38 | 41,512 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,593 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,348 |
| US States Quiz | 0 | - | 5.00 | 17,003,722 |
| States and Provinces that Touch the Great Lakes | 0 | - | 4.58 | 35,307 |
| Major U.S. Rivers with State Names | 0 | - | 4.49 | 39,873 |
| Satellite Images - U.S. States | 0 | - | 4.54 | 45,381 |
| U.S. States by Church Attendance | 0 | - | 4.59 | 32,567 |
| Cartoon Versions of U.S. States | 0 | - | 4.77 | 64,152 |
| U.S. States by Nickname | 0 | - | 4.57 | 69,749 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,543 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,427 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,151 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,590 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,757 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,516 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,452 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,649 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,647 |
| American Monopoly Board - Map Quiz | 0 | - | 4.52 | 21,266 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,448 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,122 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,784 |
| Random U.S. Vice President to President | 0 | - | 4.39 | 30,759 |
| The John Adams Presidency | 0 | - | 4.12 | 8,795 |
| The Theodore Roosevelt Presidency | 0 | - | 4.39 | 7,780 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,934 |
| California Counties Map Quiz | 0 | - | 4.36 | 34,624 |
| State Quiz - Colorado | 0 | - | 4.38 | 48,629 |
| Harvard University | 0 | - | 4.15 | 8,330 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,756 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,540 |
| Tennessee Counties Quiz | 0 | - | 4.25 | 26,307 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,734 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,994 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,008 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,015 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,814 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,946 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,986 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,845 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,975 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,409 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,780 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,833 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,582 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,478 |
| Name a Valid African Country | 0 | - | 4.98 | 155,100 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,410 |
| Pixelated United States Map | 0 | - | 4.88 | 94,840 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,604 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,477 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,273 |
| The George Washington Presidency | 0 | - | 4.03 | 14,616 |
| Franklin... or Theodore Roosevelt | 0 | - | 4.35 | 16,993 |
| U.S. Presidential Knowledge - Multiple Choice | 0 | - | 4.36 | 21,766 |
| Star-Spangled Banner Lyrics | 0 | - | 4.36 | 179,913 |
| State Quiz - Alaska | 0 | - | 4.42 | 42,318 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,959 |
| Fictional Characters from California by Picture | 0 | - | 4.23 | 22,582 |
| History of California | 0 | - | 4.40 | 18,799 |
| California Counties | 0 | - | 4.39 | 120,394 |
| State Quiz - California | 0 | - | 4.69 | 64,840 |
| State Quiz - Florida | 0 | - | 4.47 | 62,652 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,780 |
| History of Georgia (U.S. State) | 0 | - | 4.30 | 13,263 |
| Countries Closest to Hawaii | 0 | - | 4.55 | 54,004 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,582 |
| History of Illinois | 0 | - | 4.24 | 11,257 |
| State Quiz - Kentucky | 0 | - | 4.42 | 32,658 |
| History of Maryland | 0 | - | 4.06 | 6,730 |
| History of Massachusetts | 0 | - | 4.14 | 8,431 |
| Michigan Counties | 0 | - | 4.63 | 30,893 |
| History of Michigan | 0 | - | 4.26 | 6,986 |
| State Quiz - Minnesota | 0 | - | 4.41 | 39,036 |
| Fictional Characters from New York | 0 | - | 4.09 | 21,441 |
| State Quiz - New York | 0 | - | 4.52 | 46,459 |
| History of New York | 0 | - | 4.36 | 16,423 |
| History of New Jersey | 0 | - | 4.38 | 7,310 |
| State Quiz - New Jersey | 0 | - | 4.42 | 38,372 |
| State Quiz - Texas | 0 | - | 4.43 | 63,230 |
| History of Ohio | 0 | - | 4.14 | 7,382 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 49,356 |
| History of Tennessee | 0 | - | 4.29 | 7,687 |
| State Quiz - Tennessee | 0 | - | 4.54 | 34,400 |
| State Quiz - Virginia | 0 | - | 4.53 | 40,519 |
| State Quiz - Washington | 0 | - | 4.45 | 36,665 |
| History of Washington State | 0 | - | 4.27 | 6,910 |
| Events in U.S. History | 0 | - | 4.41 | 28,833 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,203 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,704 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,106 |
| U.S. States Bordering the Great Lakes | 0 | - | 4.55 | 18,317 |
| Top 10 Most Jewish U.S. States | 0 | - | 4.31 | 43,163 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,322 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,344 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,392 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,420 |
| U.S. States By Population | 0 | - | 4.92 | 154,183 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,272 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,919 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,348 |
| US States with an Empty Map | 0 | - | 5.00 | 628,983 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,105 |
| States in a Tank of the U.S. Map | 0 | - | 4.47 | 31,460 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,890 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,554 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,133 |
| TV Shows by U.S. State | 0 | - | 4.33 | 47,560 |
| U.S. States by Alternate Nicknames | 0 | - | 4.24 | 42,994 |
| Colleges by U.S. State - Multiple Choice | 0 | - | 4.57 | 23,142 |
| U.S. National Parks by State - Multiple Choice | 0 | - | 4.46 | 19,351 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,087 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,258 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,710 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,843 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,669 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,505 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,058 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 68,010 |
