| U.S. Presidents by Picture | 0 | - | 4.85 | 411,595 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 186,822 |
| Play-Doh Presidents | 0 | - | 5.00 | 79,057 |
| First Names of U.S. Presidents | 0 | - | 4.84 | 369,769 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 42,476 |
| Presidential Actors | 0 | - | 4.34 | 18,595 |
| The Richard Nixon Presidency | 0 | - | 4.05 | 21,487 |
| The Jimmy Carter Presidency | 0 | - | 4.40 | 18,611 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.47 | 22,214 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,449,530 |
| People in Pictures with Ronald Reagan | 0 | - | 4.33 | 39,400 |
| US Presidents - 1 Minute Sprint | 0 | - | 4.41 | 294,228 |
| U.S. Presidential Quotes | 0 | - | 4.36 | 43,739 |
| The George W. Bush Presidency | 0 | - | 4.06 | 31,603 |
| The Bill Clinton Presidency | 0 | - | 4.22 | 30,880 |
| The George H. W. Bush Presidency | 0 | - | 4.36 | 21,065 |
| The Ronald Reagan Presidency | 0 | - | 4.26 | 24,264 |
| U.S. President Scramble | 0 | - | 4.39 | 112,500 |
| The Barack Obama Presidency | 0 | - | 4.16 | 24,599 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 227,373 |
| Name a Valid U.S. President #1 | 0 | - | 4.90 | 180,698 |
| Random U.S. States on a Map | 0 | - | 4.96 | 585,128 |
| U.S. Presidents by State | 0 | - | 4.31 | 67,536 |
| Random U.S. Presidents by Picture | 0 | - | 4.37 | 63,581 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 183,483 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 126,010 |
| Name a Valid U.S. President by Birth State | 0 | - | 4.55 | 9,173 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 289,918 |
| United States Map Quiz | 0 | - | 4.98 | 4,054,780 |
| George Bush... or George Bush | 0 | - | 3.98 | 7,983 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 111,213 |
| U.S. Presidential Trivia #1 | 0 | - | 4.47 | 103,784 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.56 | 88,881 |
| U.S. Presidential Trivia #2 | 0 | - | 4.48 | 49,323 |
| Assassinated U.S. Presidents | 0 | - | 4.61 | 87,843 |
| U.S. Presidents Who Died in Office | 0 | - | 4.78 | 33,240 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 35,884 |
| People in Pictures with Barack Obama | 0 | - | 4.09 | 46,684 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.94 | 60,202 |
| Countries of the Soviet Union | 0 | - | 4.98 | 190,013 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 77,799 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 100,704 |
| U.S. State Border Crossings | 0 | - | 4.96 | 86,670 |
| U.S. National Parks Quiz | 0 | - | 4.81 | 50,960 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 231,854 |
| Total United States Immigration by Country | 0 | - | 4.89 | 104,500 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.87 | 70,926 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.95 | 166,491 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.95 | 202,097 |
| All U.S. Supreme Court Justices | 0 | - | 4.50 | 28,204 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 70,622 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.43 | 11,181 |
| Win the U.S. Presidential Election | 0 | - | 4.74 | 573,865 |
| U.S. Vice Presidents | 0 | - | 4.39 | 128,982 |
| Governors Who Ran For President | 0 | - | 4.47 | 19,595 |
| U.S. Presidents by Event | 0 | - | 4.57 | 30,850 |
| First Ladies of the United States | 0 | - | 4.27 | 82,860 |
| Presidential Middle Names | 0 | - | 4.37 | 58,084 |
| The Abraham Lincoln Presidency | 0 | - | 4.51 | 25,599 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.31 | 72,671 |
| Random U.S. Vice President to President | 0 | - | 4.43 | 29,609 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.63 | 15,180 |
| Name a Valid U.S. President #2 | 0 | - | 4.53 | 66,325 |
| Add a Letter - Make a U.S. President | 0 | - | 4.61 | 23,151 |
| U.S. Presidential Last Names as Baby Names | 0 | - | 4.17 | 32,171 |
| Cities and Towns of Massachusetts | 0 | - | 4.90 | 68,559 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.83 | 61,950 |
| US States Quiz | 0 | - | 5.00 | 15,870,261 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 355,955 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 142,665 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 70,276 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.94 | 57,532 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 65,587 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 52,103 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 101,922 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 109,833 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 84,158 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 78,262 |
| 10 Longest Rivers in the United States | 0 | - | 4.84 | 37,191 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 307,153 |
| Pixelated United States Map | 0 | - | 4.89 | 88,783 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 101,930 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 85,672 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 140,220 |
| Countries that Beat the United States | 0 | - | 4.93 | 157,888 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.42 | 23,307 |
| US Presidents Breakdown Puzzle #1 | 0 | - | 3.71 | 19,686 |
| American Revolution Decoder | 0 | - | 4.10 | 20,493 |
| Six Flags Over Texas | 0 | - | 4.79 | 61,326 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.89 | 25,331 |
| American History Quotes #1 | 0 | - | 4.41 | 93,928 |
| Embarrassing Chapters in US History | 0 | - | 4.19 | 32,419 |
| U.S. History for Dummies | 0 | - | 4.49 | 79,750 |
| The American Civil War | 0 | - | 4.61 | 50,823 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 110,341 |
| Word Scramble - U.S. States | 0 | - | 4.96 | 481,580 |
| U.S. States with the Letter Y | 0 | - | 4.84 | 104,905 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 107,063 |
| U.S. States with Short Names | 0 | - | 4.89 | 140,706 |
| U.S. States that Start with M | 0 | - | 4.92 | 178,413 |
| U.S. States By Population | 0 | - | 4.90 | 137,156 |
| U.S. States that Start with N | 0 | - | 4.94 | 164,382 |
| U.S. States with Longest Names | 0 | - | 4.87 | 40,658 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 42,292 |
| US States with an Empty Map | 0 | - | 5.00 | 593,091 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 79,093 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 83,638 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 61,507 |
| Draw All US State Borders | 0 | - | 4.99 | 116,495 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 61,071 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.94 | 153,804 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 173,649 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 120,315 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.83 | 66,976 |
| Top 10 Newest U.S. States | 0 | - | 4.84 | 83,126 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 96,400 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 78,481 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.83 | 63,420 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 87,856 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 124,708 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 159,759 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 97,019 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 56,494 |
| Countries of Iberia in History with a Map | 0 | - | 4.86 | 38,267 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.96 | 81,521 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 94,815 |
| Commonwealth of Nations Countries | 0 | - | 4.93 | 230,582 |
| Vatican City Country Quiz | 0 | - | 4.52 | 42,122 |
| Most-Visited Countries by Popes | 0 | - | 4.54 | 80,555 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 65,838 |
| Countries in the Ottoman Empire | 0 | - | 4.88 | 70,174 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 91,871 |
| Rivers of the United States | 0 | - | 4.92 | 61,794 |
| Countries Closest to United States A-Z | 0 | - | 4.83 | 113,098 |
| U.S. Senators by State | 0 | - | 4.46 | 38,458 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 72,854 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 78,096 |
| Top 10 U.S. Swing States in the 2024 Election | 0 | - | 4.51 | 73,136 |
| U.S. Presidential Running Mates | 0 | - | 4.39 | 27,534 |
| The George Washington Presidency | 0 | - | 4.03 | 14,149 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,328 |
| The John Adams Presidency | 0 | - | 4.12 | 8,406 |
| Franklin... or Theodore Roosevelt | 0 | - | 4.35 | 16,539 |
| The Theodore Roosevelt Presidency | 0 | - | 4.33 | 7,459 |
| U.S. Presidents to Win the Nobel Peace Prize | 0 | - | 4.34 | 17,647 |
| U.S. Presidential Knowledge - Multiple Choice | 0 | - | 4.36 | 21,187 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,291 |
| The American Revolution | 0 | - | 4.52 | 53,167 |
| Countries Closest to Alaska | 0 | - | 4.91 | 105,110 |
| Stephen Curry Quiz | 0 | - | 4.36 | 63,547 |
| History of Florida | 0 | - | 4.45 | 9,393 |
| The Life of Martin Luther King Jr. | 0 | - | 4.79 | 10,766 |
| Hawaiian Islands | 0 | - | 4.83 | 40,644 |
| Countries Closest to Maine | 0 | - | 4.84 | 63,073 |
| History of Texas | 0 | - | 4.43 | 14,160 |
| LeBron... or Kobe? | 0 | - | 4.10 | 57,660 |
| People on Money - United States | 0 | - | 4.32 | 62,628 |
| American History Quotes #2 | 0 | - | 4.38 | 40,404 |
| Old West History | 0 | - | 4.30 | 15,032 |
| U.S. History Groups of Two | 0 | - | 4.22 | 43,286 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.19 | 43,441 |
| Life of Benjamin Franklin | 0 | - | 4.22 | 6,388 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,478 |
| U.S. History Multiple Choice #3 | 0 | - | 4.42 | 24,142 |
| Last Names in U.S. History #1 | 0 | - | 4.24 | 35,382 |
| Fifty US States in One Minute | 0 | - | 4.54 | 3,426,081 |
| U.S. State Flags | 0 | - | 4.89 | 153,426 |
| U.S. States that Border Canada | 0 | - | 4.91 | 172,822 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 197,764 |
| Category Elimination - U.S. States #1 | 0 | - | 4.92 | 208,493 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 44,123 |
| Top 10 Coldest U.S. States | 0 | - | 4.92 | 108,024 |
| Top 10 Hottest U.S. States | 0 | - | 4.85 | 118,862 |
| Top 10 Most Native American U.S. States | 0 | - | 4.85 | 86,199 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.84 | 59,627 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.93 | 55,214 |
| Neutral European Countries of WWII | 0 | - | 4.93 | 155,608 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 83,047 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.96 | 66,678 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 103,455 |
| Biggest Roman Empire Countries | 0 | - | 4.88 | 98,782 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 77,711 |
| The Vietnam War | 0 | - | 4.43 | 34,287 |
| George Washington... or George W. Bush? | 0 | - | 4.16 | 11,880 |
| Countries of the Japanese Empire | 0 | - | 4.96 | 101,858 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 51,592 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 122,442 |
| Most-Spoken Languages of the United States | 0 | - | 4.44 | 202,335 |
| U.S. State Nicknames Quiz | 0 | - | 4.49 | 48,501 |
| Territories of the United States | 0 | - | 4.78 | 50,769 |
| Countries with American Expatriates | 0 | - | 4.55 | 41,849 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.77 | 37,488 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 168,924 |
| U.S. Five-Star Generals and Admirals | 0 | - | 4.34 | 8,149 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 39,405 |
| United States Country Quiz | 0 | - | 4.45 | 95,960 |
| Major non-NATO U.S. Allies | 0 | - | 4.50 | 49,244 |
| Busiest Air Routes from the U.S. | 0 | - | 4.47 | 75,192 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 90,688 |
| U.S. Highway Signs By State | 0 | - | 4.45 | 14,880 |
