| U.S. Presidents Quiz | 0 | - | 5.00 | 3,674,091 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,271 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,937 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,331 |
| Presidential Middle Names | 0 | - | 4.41 | 59,934 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,985 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,208 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,284 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,858 |
| U.S. Vice Presidents | 0 | - | 4.39 | 135,633 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,198 |
| First Ladies of the United States | 0 | - | 4.28 | 85,377 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,161 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 76,672 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,086 |
| Add a Letter - Make a U.S. President | 0 | - | 4.57 | 23,886 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,734 |
| U.S. State Flags | 0 | - | 4.89 | 168,872 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 622,429 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 380,389 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,496 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,695 |
| U.S. Presidential Running Mates | 0 | - | 4.40 | 28,548 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,690 |
| Random U.S. Vice President to President | 0 | - | 4.39 | 30,569 |
| The John Adams Presidency | 0 | - | 4.12 | 8,706 |
| The Theodore Roosevelt Presidency | 0 | - | 4.39 | 7,712 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,811 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 504,064 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,312 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,093 |
| The George Washington Presidency | 0 | - | 4.03 | 14,505 |
| Franklin... or Theodore Roosevelt | 0 | - | 4.35 | 16,903 |
| U.S. Presidential Knowledge - Multiple Choice | 0 | - | 4.36 | 21,638 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,792 |
| Top 10 U.S. Swing States in the 2024 Election | 0 | - | 4.51 | 75,049 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 425,010 |
| Hawaiian Islands | 0 | - | 4.83 | 42,564 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,209 |
| The American Civil War | 0 | - | 4.62 | 52,284 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,941 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,788 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,924 |
| Satellite Images - U.S. States | 0 | - | 4.53 | 45,032 |
| U.S. States by Church Attendance | 0 | - | 4.59 | 32,347 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,765 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,208 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,456 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,874 |
| U.S. Presidents True or False | 0 | - | 3.96 | 15,557 |
| U.S. Presidents to Win the Nobel Peace Prize | 0 | - | 4.34 | 18,266 |
| The American Revolution | 0 | - | 4.52 | 54,149 |
| Vietnam War Countries | 0 | - | 4.83 | 93,893 |
| Country by Photo of its Leader | 0 | - | 4.74 | 123,624 |
| United States Map Quiz | 0 | - | 4.98 | 4,148,506 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 304,178 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,682 |
| The Vietnam War | 0 | - | 4.43 | 35,410 |
| South America Flags Map Quiz | 0 | - | 4.95 | 87,186 |
| Harvard University | 0 | - | 4.15 | 8,280 |
| Top 10 Most Jewish U.S. States | 0 | - | 4.31 | 42,854 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,669 |
| States in a Tank of the U.S. Map | 0 | - | 4.47 | 31,134 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,530 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,254 |
| Colleges by U.S. State - Multiple Choice | 0 | - | 4.57 | 22,980 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,872 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,935 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,449 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,209 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,829 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,543 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,166 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,967 |
| U.S. Presidential Quotes | 0 | - | 4.37 | 44,409 |
| U.S. President Scramble | 0 | - | 4.40 | 116,471 |
| California... or Florida? | 0 | - | 4.60 | 51,173 |
| Georgia Counties | 0 | - | 4.50 | 49,283 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,470 |
| New York Counties | 0 | - | 4.65 | 50,204 |
| Texas Counties | 0 | - | 4.55 | 76,444 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,693 |
| North Carolina Counties | 0 | - | 4.53 | 52,941 |
| Ohio Counties | 0 | - | 4.47 | 45,614 |
| Pennsylvania Counties | 0 | - | 4.48 | 52,403 |
| Virginia Counties | 0 | - | 4.45 | 33,114 |
| West Virginia Counties | 0 | - | 4.63 | 33,657 |
| US States Quiz | 0 | - | 5.00 | 16,779,765 |
| Major U.S. Rivers with State Names | 0 | - | 4.49 | 39,461 |
| Random General Knowledge - U.S. States | 0 | - | 4.46 | 41,861 |
| Cartoon Versions of U.S. States | 0 | - | 4.77 | 63,710 |
| Random Point on Land to US State | 0 | - | 4.57 | 68,899 |
| U.S. States by Nickname | 0 | - | 4.57 | 69,411 |
| Merged U.S. States | 0 | - | 4.37 | 43,989 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,351 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,668 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,887 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,538 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 75,866 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,959 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,490 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,381 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,048 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,313 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,174 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,579 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,059 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,761 |
| American Junk Food Brands #1 | 0 | - | 3.84 | 60,864 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,278 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,835 |
| American Monopoly Board - Map Quiz | 0 | - | 4.52 | 21,170 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,682 |
| Mayors of New York City | 0 | - | 3.96 | 12,178 |
| US Presidents Breakdown Puzzle #1 | 0 | - | 3.69 | 19,982 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,583 |
| The Kennedy Family | 0 | - | 3.90 | 14,045 |
| California Counties Map Quiz | 0 | - | 4.36 | 34,399 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 65,905 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,137 |
| Books by U.S. State | 0 | - | 4.20 | 13,970 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 143,851 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,432 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,864 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,707 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,971 |
| Every African Country Shape | 0 | - | 4.90 | 86,613 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,232 |
| Puerto Rico Trivia | 0 | - | 4.51 | 11,965 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,944 |
| Pixelated United States Map | 0 | - | 4.89 | 93,814 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,017 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,254 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,823 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,139 |
| Arms Exports - United States | 0 | - | 4.75 | 61,940 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 28,977 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,434 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.49 | 11,716 |
| Star-Spangled Banner Lyrics | 0 | - | 4.36 | 179,004 |
| California Counties | 0 | - | 4.39 | 118,593 |
| Colorado Counties | 0 | - | 4.45 | 26,488 |
| Florida Counties | 0 | - | 4.39 | 48,300 |
| State Quiz - Hawaii | 0 | - | 4.35 | 65,108 |
| Illinois Counties | 0 | - | 4.56 | 30,191 |
| Indiana Counties | 0 | - | 4.46 | 28,766 |
| Michigan Counties | 0 | - | 4.63 | 30,190 |
| U.S. States that Border Missouri | 0 | - | 4.55 | 12,772 |
| Las Vegas Casinos | 0 | - | 4.12 | 38,016 |
| New Jersey Counties | 0 | - | 4.56 | 30,126 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,154 |
| Washington Counties | 0 | - | 4.77 | 26,692 |
| Wisconsin Counties | 0 | - | 4.51 | 26,751 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,044 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,056 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,050 |
| U.S. History for Dummies | 0 | - | 4.47 | 82,733 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,732 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,390 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,356 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,776 |
| U.S. States Bordering the Great Lakes | 0 | - | 4.54 | 18,213 |
| States and Provinces that Touch the Great Lakes | 0 | - | 4.54 | 28,865 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,928 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,924 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,368 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,595 |
| U.S. States By Population | 0 | - | 4.92 | 152,789 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,895 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,169 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,091 |
| US States with an Empty Map | 0 | - | 5.00 | 621,398 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,202 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,956 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,981 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,260 |
| TV Shows by U.S. State | 0 | - | 4.33 | 47,363 |
| U.S. States by Alternate Nicknames | 0 | - | 4.24 | 42,865 |
| U.S. National Parks by State - Multiple Choice | 0 | - | 4.46 | 19,225 |
| Corporations by U.S. State - Multiple Choice | 0 | - | 4.11 | 10,197 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,547 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,379 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,866 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,331 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,984 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,418 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,203 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,204 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 300,927 |
| Every European Country Shape | 0 | - | 4.96 | 200,831 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,335 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,515 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,871 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,186 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 60,686 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,348 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,850 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,136 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,874 |
| Prime Ministers of the UK | 0 | - | 4.96 | 436,645 |
