| Name a Valid U.S. President #1 | 0 | - | 4.90 | 193,819 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 428,531 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,875 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,638 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,726,319 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 306,215 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 70,590 |
| U.S. President Scramble | 0 | - | 4.40 | 117,476 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,935 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 48,088 |
| The George W. Bush Presidency | 0 | - | 4.06 | 32,284 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.42 | 24,069 |
| U.S. Presidents by Picture - Multiple Choice | 0 | - | 4.50 | 29,041 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,349 |
| U.S. Presidential Quotes | 0 | - | 4.37 | 44,610 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 109,567 |
| U.S. Presidents by Event | 0 | - | 4.58 | 35,353 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.62 | 94,634 |
| Presidential Middle Names | 0 | - | 4.41 | 60,728 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,696 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,898 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 35,208 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,636 |
| The Barack Obama Presidency | 0 | - | 4.14 | 25,509 |
| Random U.S. States on a Map | 0 | - | 4.96 | 630,391 |
| U.S. Senators by State | 0 | - | 4.44 | 40,107 |
| Presidential Actors | 0 | - | 4.36 | 19,252 |
| U.S. Vice Presidents | 0 | - | 4.39 | 137,010 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,364 |
| U.S. Presidential Running Mates | 0 | - | 4.41 | 28,775 |
| First Ladies of the United States | 0 | - | 4.28 | 85,980 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,319 |
| U.S. Presidents in Order by First Letter | 0 | - | 4.32 | 77,498 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,364 |
| U.S. Presidents to Win the Nobel Peace Prize | 0 | - | 4.34 | 18,381 |
| Add a Letter - Make a U.S. President | 0 | - | 4.58 | 24,101 |
| Win the 1828 U.S. Presidential Election | 0 | - | 4.31 | 59,018 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,945 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,223 |
| George Bush... or George Bush | 0 | - | 3.98 | 8,236 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,780 |
| Random U.S. Vice President to President | 0 | - | 4.39 | 30,756 |
| The John Adams Presidency | 0 | - | 4.12 | 8,789 |
| The Theodore Roosevelt Presidency | 0 | - | 4.39 | 7,776 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,929 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,650 |
| US Presidents Breakdown Puzzle #1 | 0 | - | 3.69 | 20,146 |
| The George Washington Presidency | 0 | - | 4.03 | 14,610 |
| Franklin... or Theodore Roosevelt | 0 | - | 4.35 | 16,993 |
| U.S. Presidential Knowledge - Multiple Choice | 0 | - | 4.36 | 21,762 |
| The Kennedy Family | 0 | - | 3.90 | 14,101 |
| The American Revolution | 0 | - | 4.52 | 54,362 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,795 |
| Vietnam War Countries | 0 | - | 4.82 | 94,648 |
| George Washington... or George W. Bush? | 0 | - | 4.16 | 12,299 |
| United States Map Quiz | 0 | - | 4.98 | 4,171,483 |
| The Bill Clinton Presidency | 0 | - | 4.24 | 31,543 |
| The George H. W. Bush Presidency | 0 | - | 4.36 | 21,556 |
| The Ronald Reagan Presidency | 0 | - | 4.26 | 24,893 |
| The Richard Nixon Presidency | 0 | - | 4.05 | 22,095 |
| People in Pictures with Ronald Reagan | 0 | - | 4.35 | 40,920 |
| U.S. Presidential Last Names as Baby Names | 0 | - | 4.19 | 33,813 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 235,275 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 494,716 |
| Random American Countries on a Map | 0 | - | 4.96 | 100,206 |
| Random U.S. Presidents by Picture | 0 | - | 4.40 | 66,614 |
| Colonies of the Americas in 1775 with a Map | 0 | - | 4.88 | 19,961 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,569 |
| Vatican City Country Quiz | 0 | - | 4.53 | 44,668 |
| The Iraq War | 0 | - | 4.47 | 15,705 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,893 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,831 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,982 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,951 |
| U.S. Presidents True or False | 0 | - | 3.96 | 15,648 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,014 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,272 |
| US States Quiz | 0 | - | 5.00 | 16,998,116 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 218,055 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,457 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,389 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,460 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,785 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,858 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,593 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,160 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.93 | 397,404 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 119,597 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 128,370 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,493 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,424 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,563 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,516 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,450 |
| Pixelated United States Map | 0 | - | 4.88 | 94,823 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,562 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,453 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,148 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,104 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,862 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 635,900 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,728 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,609 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,418 |
| U.S. Civil War Decoder | 0 | - | 4.14 | 25,337 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,090 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,287 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,324 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,362 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,383 |
| U.S. States By Population | 0 | - | 4.92 | 154,163 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,241 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,900 |
| US States with an Empty Map | 0 | - | 5.00 | 628,762 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,088 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,689 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,870 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,543 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,105 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,057 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,236 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,693 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,826 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,654 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,992 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 303,965 |
| All Modern-Day Countries Ever Controlled by Greeks | 0 | - | 4.98 | 54,652 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,676 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,918 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,387 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,886 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,786 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 379,690 |
| The Persian Gulf War | 0 | - | 4.02 | 8,487 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,037 |
| All Modern-Day Countries Ever Controlled by Chinese People | 0 | - | 4.81 | 55,196 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,544 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,718 |
| Most Guessed North American Teams by Sport | 0 | - | 4.28 | 65,090 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,401 |
| Rivers of the United States | 0 | - | 4.93 | 66,686 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,235 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,681 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,814 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,688 |
| American Founding Fathers | 0 | - | 4.42 | 23,273 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,155 |
| California A-Z | 0 | - | 4.49 | 28,845 |
| Top 10 Los Angeles Lakers of All-Time | 0 | - | 4.24 | 47,206 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,605 |
| People on Money - United States | 0 | - | 4.31 | 63,434 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,586 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 45,225 |
| Events in U.S. History | 0 | - | 4.41 | 28,829 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,197 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,783 |
| The Most Recent... United States | 0 | - | 4.46 | 18,576 |
| The American Civil War | 0 | - | 4.62 | 52,625 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 510,198 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,308 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,560 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,124 |
| Draw All US State Borders | 0 | - | 4.99 | 140,942 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,876 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,527 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,858 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,476 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,053 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,216 |
| Draw All US State Borders - Extreme | 0 | - | 4.99 | 79,311 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,160 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,263 |
| Random European Flag to Country | 0 | - | 4.90 | 184,243 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,471 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,771 |
| All Modern-Day Countries Ever Controlled by French People | 0 | - | 4.99 | 58,501 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,094 |
| Monty Python Quotes | 0 | - | 4.89 | 42,610 |
| Shakespearean Phrases | 0 | - | 4.57 | 36,896 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,357 |
| Most-Visited Countries by Popes | 0 | - | 4.56 | 84,181 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,531 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,418 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,852 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,969 |
| Random African Flag to Country | 0 | - | 4.88 | 75,652 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 222,601 |
| Names of Generations | 0 | - | 4.09 | 45,523 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,729 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,328 |
| Top 10 U.S. Swing States in the 2024 Election | 0 | - | 4.51 | 75,440 |
| History of Florida | 0 | - | 4.45 | 9,874 |
| The Life of Martin Luther King Jr. | 0 | - | 4.73 | 11,135 |
| Hawaiian Islands | 0 | - | 4.83 | 42,953 |
| Top 10 Boston Celtics Players | 0 | - | 4.05 | 23,971 |
| Boston Celtics Trivia | 0 | - | 4.12 | 15,184 |
| History of Texas | 0 | - | 4.43 | 14,688 |
| History of Pennsylvania | 0 | - | 4.16 | 7,167 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,506 |
| History of Virginia | 0 | - | 4.33 | 11,642 |
