| U.S. Presidents Quiz | 0 | - | 5.00 | 3,655,264 |
| U.S. Vice Presidents | 0 | - | 4.41 | 134,952 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 107,961 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,517 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,009 |
| Presidential Middle Names | 0 | - | 4.41 | 59,715 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,745 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 93,828 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,176 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,748 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,168 |
| First Ladies of the United States | 0 | - | 4.28 | 85,248 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,113 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 76,303 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,003 |
| Add a Letter - Make a U.S. President | 0 | - | 4.61 | 23,837 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,690 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,605 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,884 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,803 |
| U.S. Presidential Running Mates | 0 | - | 4.40 | 28,461 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,662 |
| Random U.S. Vice President to President | 0 | - | 4.39 | 30,502 |
| The John Adams Presidency | 0 | - | 4.12 | 8,677 |
| The Theodore Roosevelt Presidency | 0 | - | 4.39 | 7,683 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,774 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 618,645 |
| The George Washington Presidency | 0 | - | 4.03 | 14,476 |
| Franklin... or Theodore Roosevelt | 0 | - | 4.35 | 16,871 |
| U.S. Presidential Knowledge - Multiple Choice | 0 | - | 4.36 | 21,609 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,054 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,683 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,951 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,121 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 80,878 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,433 |
| Top 10 U.S. Swing States in the 2024 Election | 0 | - | 4.51 | 74,911 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,817 |
| Hawaiian Islands | 0 | - | 4.83 | 42,432 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,090 |
| U.S. State Flags | 0 | - | 4.89 | 167,156 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 303,398 |
| U.S. Presidents to Win the Nobel Peace Prize | 0 | - | 4.34 | 18,219 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,433 |
| The American Civil War | 0 | - | 4.62 | 52,162 |
| U.S. Presidents True or False | 0 | - | 3.96 | 15,528 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,278 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,695 |
| U.S. States by Church Attendance | 0 | - | 4.59 | 32,255 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,610 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,855 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,248 |
| U.S. President Scramble | 0 | - | 4.40 | 116,209 |
| The American Revolution | 0 | - | 4.52 | 54,059 |
| Vietnam War Countries | 0 | - | 4.83 | 93,623 |
| Country by Photo of its Leader | 0 | - | 4.74 | 123,278 |
| United States Map Quiz | 0 | - | 4.98 | 4,142,094 |
| U.S. Presidential Quotes | 0 | - | 4.37 | 44,364 |
| The Vietnam War | 0 | - | 4.43 | 35,299 |
| US Presidents Breakdown Puzzle #1 | 0 | - | 3.69 | 19,960 |
| The Kennedy Family | 0 | - | 3.90 | 14,026 |
| Harvard University | 0 | - | 4.15 | 8,265 |
| Top 10 Most Jewish U.S. States | 0 | - | 4.31 | 42,743 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,502 |
| States in a Tank of the U.S. Map | 0 | - | 4.47 | 31,033 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,581 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,530 |
| Colleges by U.S. State - Multiple Choice | 0 | - | 4.57 | 22,918 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,493 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,311 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,964 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,352 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,382 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,883 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,889 |
| The George W. Bush Presidency | 0 | - | 4.06 | 32,089 |
| People in Pictures with Ronald Reagan | 0 | - | 4.35 | 40,456 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,027 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,697 |
| California... or Florida? | 0 | - | 4.60 | 50,980 |
| Georgia Counties | 0 | - | 4.50 | 49,106 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,083 |
| New York Counties | 0 | - | 4.64 | 49,907 |
| Texas Counties | 0 | - | 4.55 | 76,064 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,504 |
| North Carolina Counties | 0 | - | 4.53 | 52,716 |
| Ohio Counties | 0 | - | 4.47 | 45,426 |
| Pennsylvania Counties | 0 | - | 4.48 | 52,090 |
| Virginia Counties | 0 | - | 4.45 | 32,931 |
| West Virginia Counties | 0 | - | 4.61 | 33,536 |
| US States Quiz | 0 | - | 5.00 | 16,703,983 |
| Major U.S. Rivers with State Names | 0 | - | 4.49 | 39,362 |
| Satellite Images - U.S. States | 0 | - | 4.53 | 44,915 |
| Random General Knowledge - U.S. States | 0 | - | 4.46 | 41,769 |
| Cartoon Versions of U.S. States | 0 | - | 4.77 | 63,533 |
| Random Point on Land to US State | 0 | - | 4.57 | 68,608 |
| U.S. States by Nickname | 0 | - | 4.57 | 69,279 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,486 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,771 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,376 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,973 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,442 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,436 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,130 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,032 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,865 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,913 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,874 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,015 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,670 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,192 |
| American Junk Food Brands #1 | 0 | - | 3.84 | 60,811 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,978 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,073 |
| American Monopoly Board - Map Quiz | 0 | - | 4.52 | 21,137 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,531 |
| Mayors of New York City | 0 | - | 3.96 | 12,142 |
| U.S. Presidential Last Names as Baby Names | 0 | - | 4.19 | 33,364 |
| Random U.S. Presidents by Picture | 0 | - | 4.39 | 65,830 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,485 |
| California Counties Map Quiz | 0 | - | 4.36 | 34,336 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,636 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,299 |
| Books by U.S. State | 0 | - | 4.20 | 13,946 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,447 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 143,209 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,914 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,314 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,291 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,694 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,969 |
| Puerto Rico Trivia | 0 | - | 4.51 | 11,938 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,810 |
| Pixelated United States Map | 0 | - | 4.89 | 93,500 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,495 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,874 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,434 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,593 |
| Arms Exports - United States | 0 | - | 4.70 | 54,367 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 28,883 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,377 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.49 | 11,670 |
| Star-Spangled Banner Lyrics | 0 | - | 4.36 | 178,555 |
| California Counties | 0 | - | 4.39 | 118,146 |
| Colorado Counties | 0 | - | 4.44 | 26,312 |
| Florida Counties | 0 | - | 4.39 | 48,114 |
| State Quiz - Hawaii | 0 | - | 4.35 | 64,935 |
| Illinois Counties | 0 | - | 4.56 | 30,057 |
| Indiana Counties | 0 | - | 4.46 | 28,617 |
| Michigan Counties | 0 | - | 4.63 | 30,050 |
| U.S. States that Border Missouri | 0 | - | 4.55 | 12,738 |
| Las Vegas Casinos | 0 | - | 4.12 | 37,972 |
| New Jersey Counties | 0 | - | 4.56 | 29,932 |
| Six Flags Over Texas | 0 | - | 4.79 | 63,017 |
| Washington Counties | 0 | - | 4.78 | 26,554 |
| Wisconsin Counties | 0 | - | 4.51 | 26,550 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,933 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,919 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 32,994 |
| U.S. History for Dummies | 0 | - | 4.47 | 82,488 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,747 |
| U.S. States Bordering the Great Lakes | 0 | - | 4.54 | 18,184 |
| States and Provinces that Touch the Great Lakes | 0 | - | 4.54 | 28,847 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,380 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,427 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,685 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,930 |
| U.S. States By Population | 0 | - | 4.92 | 152,387 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,422 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,878 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,598 |
| US States with an Empty Map | 0 | - | 5.00 | 618,923 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,913 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,565 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,767 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,894 |
| TV Shows by U.S. State | 0 | - | 4.33 | 47,287 |
| U.S. States by Alternate Nicknames | 0 | - | 4.24 | 42,805 |
| U.S. National Parks by State - Multiple Choice | 0 | - | 4.46 | 19,198 |
| Corporations by U.S. State - Multiple Choice | 0 | - | 4.11 | 10,180 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,890 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,089 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,502 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,074 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,667 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,113 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,947 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,853 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,738 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,966 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,514 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,661 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,518 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,856 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,337 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,722 |
| Vatican City Country Quiz | 0 | - | 4.53 | 44,010 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,225 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,288 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,738 |
