| U.S. Presidents Quiz | 0 | - | 5.00 | 3,719,482 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 509,218 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 109,218 |
| U.S. Presidents by Event | 0 | - | 4.58 | 35,121 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.62 | 94,465 |
| Presidential Middle Names | 0 | - | 4.41 | 60,623 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,579 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,831 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,590 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,563 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 35,161 |
| Hawaiian Islands | 0 | - | 4.83 | 42,877 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,469 |
| U.S. State Flags | 0 | - | 4.89 | 172,247 |
| The American Civil War | 0 | - | 4.62 | 52,588 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,078 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,319 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,532 |
| The Vietnam War | 0 | - | 4.44 | 35,626 |
| U.S. Vice Presidents | 0 | - | 4.39 | 136,801 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,342 |
| U.S. Presidential Running Mates | 0 | - | 4.41 | 28,732 |
| First Ladies of the United States | 0 | - | 4.28 | 85,876 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,287 |
| U.S. Presidents in Order by First Letter | 0 | - | 4.32 | 77,395 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,325 |
| Harvard University | 0 | - | 4.15 | 8,319 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,587 |
| Random General Knowledge - U.S. States | 0 | - | 4.46 | 42,124 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,181 |
| Colleges by U.S. State - Multiple Choice | 0 | - | 4.57 | 23,111 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,826 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,921 |
| Names of Generations | 0 | - | 4.09 | 45,410 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,363 |
| The American Revolution | 0 | - | 4.52 | 54,326 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,161 |
| American Monopoly Board - Map Quiz | 0 | - | 4.52 | 21,248 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 633,758 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,235 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 428,029 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,201 |
| The George Washington Presidency | 0 | - | 4.03 | 14,593 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,767 |
| Random U.S. Vice President to President | 0 | - | 4.39 | 30,730 |
| The John Adams Presidency | 0 | - | 4.12 | 8,777 |
| Franklin... or Theodore Roosevelt | 0 | - | 4.35 | 16,975 |
| The Theodore Roosevelt Presidency | 0 | - | 4.39 | 7,765 |
| U.S. Presidential Knowledge - Multiple Choice | 0 | - | 4.36 | 21,744 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,903 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,552,598 |
| Top 10 Most Jewish U.S. States | 0 | - | 4.31 | 43,098 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,258 |
| States in a Tank of the U.S. Map | 0 | - | 4.47 | 31,409 |
| TV Shows by U.S. State | 0 | - | 4.33 | 47,523 |
| Books by U.S. State | 0 | - | 4.20 | 14,021 |
| U.S. National Parks by State - Multiple Choice | 0 | - | 4.46 | 19,327 |
| Corporations by U.S. State - Multiple Choice | 0 | - | 4.11 | 10,237 |
| Which City in Canada? | 0 | - | 4.83 | 57,278 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,936 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 162,096 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,068 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,783 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,624 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,929 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,820 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,231 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,739 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,593 |
| Top 10 U.S. Swing States in the 2024 Election | 0 | - | 4.51 | 75,372 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 193,400 |
| Movies with America in the Title | 0 | - | 4.17 | 28,785 |
| Georgia Counties | 0 | - | 4.52 | 49,860 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,825 |
| New York Counties | 0 | - | 4.65 | 51,009 |
| Texas Counties | 0 | - | 4.56 | 77,691 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,180 |
| North Carolina Counties | 0 | - | 4.54 | 53,571 |
| Ohio Counties | 0 | - | 4.48 | 46,066 |
| Pennsylvania Counties | 0 | - | 4.50 | 53,233 |
| Virginia Counties | 0 | - | 4.45 | 33,415 |
| West Virginia Counties | 0 | - | 4.63 | 33,960 |
| American History Quotes #1 | 0 | - | 4.37 | 96,170 |
| American History Quotes #2 | 0 | - | 4.38 | 41,486 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,318 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,545 |
| US States Quiz | 0 | - | 5.00 | 16,965,410 |
| Major U.S. Rivers with State Names | 0 | - | 4.49 | 39,724 |
| Satellite Images - U.S. States | 0 | - | 4.54 | 45,300 |
| U.S. States by Church Attendance | 0 | - | 4.59 | 32,532 |
| Cartoon Versions of U.S. States | 0 | - | 4.75 | 64,099 |
| U.S. States by Nickname | 0 | - | 4.57 | 69,679 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,454 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,110 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,125 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,220 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,108 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,407 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,044 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,914 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,488 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,679 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,350 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,184 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,321 |
| American Junk Food Brands #1 | 0 | - | 3.84 | 61,010 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,874 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,680 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,114 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,266 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,104 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,052 |
| California Counties Map Quiz | 0 | - | 4.36 | 34,590 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,608 |
| Fictional Characters by U.S. State | 0 | - | 4.17 | 12,135 |
| Word Puzzles - U.S. States | 0 | - | 3.76 | 42,576 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,397,014 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,306 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,332 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,830 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,641 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,624 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,488 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,924 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,783 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,652 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,595 |
| Vietnam War Countries | 0 | - | 4.82 | 94,515 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,351 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,968 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,111 |
| Name a Valid African Country | 0 | - | 4.98 | 154,832 |
| Political Movements by Country | 0 | - | 4.46 | 72,710 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,434,422 |
| Strongest Nation Brands | 0 | - | 4.50 | 37,753 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,893 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,304 |
| Puerto Rico Trivia | 0 | - | 4.52 | 12,057 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,340 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,780 |
| Pixelated United States Map | 0 | - | 4.88 | 94,671 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,316 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,270 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,002 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,816 |
| Arms Exports - United States | 0 | - | 4.77 | 62,647 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,132 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,582 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,853 |
| Star-Spangled Banner Lyrics | 0 | - | 4.36 | 179,784 |
| California Counties | 0 | - | 4.39 | 120,034 |
| Colorado Counties | 0 | - | 4.45 | 26,882 |
| Florida Counties | 0 | - | 4.39 | 48,951 |
| State Quiz - Hawaii | 0 | - | 4.35 | 65,549 |
| Illinois Counties | 0 | - | 4.56 | 30,557 |
| Indiana Counties | 0 | - | 4.46 | 29,117 |
| Michigan Counties | 0 | - | 4.63 | 30,710 |
| U.S. States that Border Missouri | 0 | - | 4.55 | 12,855 |
| Las Vegas Casinos | 0 | - | 4.13 | 38,125 |
| New Jersey Counties | 0 | - | 4.57 | 30,536 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,549 |
| Washington Counties | 0 | - | 4.78 | 27,069 |
| Wisconsin Counties | 0 | - | 4.51 | 27,178 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,406 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,463 |
| Events in U.S. History | 0 | - | 4.41 | 28,786 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,177 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,676 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,833 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 39,340 |
| U.S. States Bordering the Great Lakes | 0 | - | 4.55 | 18,291 |
| States and Provinces that Touch the Great Lakes | 0 | - | 4.55 | 29,275 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,059 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,072 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,734 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,080 |
| U.S. States By Population | 0 | - | 4.92 | 153,988 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,022 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,773 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,677 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,730 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,133 |
| US States with an Empty Map | 0 | - | 5.00 | 627,606 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,959 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,314 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,742 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,233 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,456 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,976 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,638 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,727 |
| U.S. State Birds | 0 | - | 4.31 | 21,478 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,675 |
| U.S. States by Alternate Nicknames | 0 | - | 4.24 | 42,973 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,522 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,092 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,578 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,769 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,569 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,404 |
