| U.S. Presidents Quiz | 0 | - | 5.00 | 3,725,039 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 109,550 |
| U.S. Presidents by Event | 0 | - | 4.58 | 35,306 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.62 | 94,619 |
| Presidential Middle Names | 0 | - | 4.41 | 60,720 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,683 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,892 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,627 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 35,193 |
| U.S. Vice Presidents | 0 | - | 4.39 | 136,964 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,360 |
| U.S. Presidential Running Mates | 0 | - | 4.41 | 28,767 |
| First Ladies of the United States | 0 | - | 4.28 | 85,947 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,313 |
| U.S. Presidents in Order by First Letter | 0 | - | 4.32 | 77,462 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,358 |
| Add a Letter - Make a U.S. President | 0 | - | 4.58 | 24,096 |
| Win the 1828 U.S. Presidential Election | 0 | - | 4.31 | 58,698 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,942 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,559 |
| Name a Valid U.S. President #1 | 0 | - | 4.90 | 193,768 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 428,450 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,778 |
| Random U.S. Vice President to President | 0 | - | 4.39 | 30,752 |
| The John Adams Presidency | 0 | - | 4.12 | 8,788 |
| The Theodore Roosevelt Presidency | 0 | - | 4.39 | 7,776 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,925 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 635,536 |
| The George Washington Presidency | 0 | - | 4.03 | 14,606 |
| Franklin... or Theodore Roosevelt | 0 | - | 4.35 | 16,988 |
| U.S. Presidential Knowledge - Multiple Choice | 0 | - | 4.36 | 21,758 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,716 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,857 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 510,049 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,804 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,671 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,693 |
| Top 10 U.S. Swing States in the 2024 Election | 0 | - | 4.51 | 75,429 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.42 | 24,066 |
| Hawaiian Islands | 0 | - | 4.83 | 42,948 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,499 |
| U.S. State Flags | 0 | - | 4.89 | 172,874 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 306,189 |
| U.S. Presidents to Win the Nobel Peace Prize | 0 | - | 4.34 | 18,378 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 70,577 |
| The American Civil War | 0 | - | 4.62 | 52,622 |
| U.S. Presidents True or False | 0 | - | 3.96 | 15,647 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,755 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,629 |
| U.S. States by Church Attendance | 0 | - | 4.59 | 32,551 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,313 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,539 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,137 |
| U.S. President Scramble | 0 | - | 4.40 | 117,456 |
| The American Revolution | 0 | - | 4.52 | 54,355 |
| Vietnam War Countries | 0 | - | 4.82 | 94,600 |
| Country by Photo of its Leader | 0 | - | 4.70 | 124,619 |
| United States Map Quiz | 0 | - | 4.98 | 4,170,986 |
| U.S. Presidential Quotes | 0 | - | 4.37 | 44,608 |
| The Vietnam War | 0 | - | 4.44 | 35,650 |
| US Presidents Breakdown Puzzle #1 | 0 | - | 3.69 | 20,146 |
| The Kennedy Family | 0 | - | 3.90 | 14,100 |
| Harvard University | 0 | - | 4.15 | 8,322 |
| Top 10 Most Jewish U.S. States | 0 | - | 4.31 | 43,151 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,629 |
| States in a Tank of the U.S. Map | 0 | - | 4.47 | 31,446 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,416 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,573 |
| Colleges by U.S. State - Multiple Choice | 0 | - | 4.57 | 23,126 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,271 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,848 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,877 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,810 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,973 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,927 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,268 |
| The George W. Bush Presidency | 0 | - | 4.06 | 32,278 |
| People in Pictures with Ronald Reagan | 0 | - | 4.35 | 40,917 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,344 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 48,080 |
| California... or Florida? | 0 | - | 4.60 | 51,843 |
| Georgia Counties | 0 | - | 4.52 | 50,000 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,979 |
| New York Counties | 0 | - | 4.65 | 51,083 |
| Texas Counties | 0 | - | 4.56 | 77,874 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,248 |
| North Carolina Counties | 0 | - | 4.54 | 53,644 |
| Ohio Counties | 0 | - | 4.48 | 46,172 |
| Pennsylvania Counties | 0 | - | 4.50 | 53,323 |
| Virginia Counties | 0 | - | 4.45 | 33,442 |
| West Virginia Counties | 0 | - | 4.63 | 33,994 |
| US States Quiz | 0 | - | 5.00 | 16,992,236 |
| States and Provinces that Touch the Great Lakes | 0 | - | 4.58 | 35,188 |
| Major U.S. Rivers with State Names | 0 | - | 4.49 | 39,859 |
| Satellite Images - U.S. States | 0 | - | 4.54 | 45,360 |
| Random General Knowledge - U.S. States | 0 | - | 4.46 | 42,154 |
| Cartoon Versions of U.S. States | 0 | - | 4.75 | 64,134 |
| Random Point on Land to US State | 0 | - | 4.63 | 69,709 |
| U.S. States by Nickname | 0 | - | 4.57 | 69,729 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,348 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,338 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,407 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,339 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,322 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,733 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,815 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,549 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,559 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,462 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,380 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,522 |
| American Junk Food Brands #1 | 0 | - | 3.84 | 61,038 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,404 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,302 |
| American Monopoly Board - Map Quiz | 0 | - | 4.52 | 21,259 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,093 |
| Mayors of New York City | 0 | - | 3.96 | 12,285 |
| U.S. Presidential Last Names as Baby Names | 0 | - | 4.19 | 33,807 |
| Random U.S. Presidents by Picture | 0 | - | 4.40 | 66,599 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,925 |
| California Counties Map Quiz | 0 | - | 4.36 | 34,617 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,710 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,619 |
| Books by U.S. State | 0 | - | 4.20 | 14,029 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,545 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 145,642 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,810 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,713 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,957 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,499 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,087 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,995 |
| Puerto Rico Trivia | 0 | - | 4.52 | 12,069 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,388 |
| Pixelated United States Map | 0 | - | 4.88 | 94,800 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,525 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,430 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,200 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,638 |
| Arms Exports - United States | 0 | - | 4.77 | 62,724 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,144 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,593 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,861 |
| Star-Spangled Banner Lyrics | 0 | - | 4.36 | 179,883 |
| California Counties | 0 | - | 4.39 | 120,287 |
| Colorado Counties | 0 | - | 4.45 | 26,921 |
| Florida Counties | 0 | - | 4.40 | 49,033 |
| State Quiz - Hawaii | 0 | - | 4.35 | 65,626 |
| Illinois Counties | 0 | - | 4.56 | 30,641 |
| Indiana Counties | 0 | - | 4.46 | 29,176 |
| Michigan Counties | 0 | - | 4.63 | 30,830 |
| U.S. States that Border Missouri | 0 | - | 4.55 | 12,861 |
| Las Vegas Casinos | 0 | - | 4.13 | 38,145 |
| New Jersey Counties | 0 | - | 4.57 | 30,591 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,597 |
| Washington Counties | 0 | - | 4.78 | 27,140 |
| Wisconsin Counties | 0 | - | 4.51 | 27,267 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,464 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,528 |
| Events in U.S. History | 0 | - | 4.41 | 28,819 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,192 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,400 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,060 |
| U.S. States Bordering the Great Lakes | 0 | - | 4.55 | 18,309 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,256 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,286 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,327 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,342 |
| U.S. States By Population | 0 | - | 4.92 | 154,122 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,205 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,877 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,277 |
| US States with an Empty Map | 0 | - | 5.00 | 628,559 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,064 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,851 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,533 |
| Draw All US State Borders | 0 | - | 4.99 | 140,694 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,081 |
| TV Shows by U.S. State | 0 | - | 4.33 | 47,548 |
| U.S. States by Alternate Nicknames | 0 | - | 4.24 | 42,988 |
| U.S. National Parks by State - Multiple Choice | 0 | - | 4.46 | 19,347 |
| Corporations by U.S. State - Multiple Choice | 0 | - | 4.11 | 10,241 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,027 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,218 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,668 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,817 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,643 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,448 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,019 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,981 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,093 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,189 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,427 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,669 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,639 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,377 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,856 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,062 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,253 |
| Prime Ministers of the UK | 0 | - | 4.95 | 442,204 |
