| Name a Valid U.S. President #1 | 0 | - | 4.93 | 170,172 |
| U.S. Presidents by Picture | 0 | - | 4.85 | 398,680 |
| Play-Doh Presidents | 0 | - | 5.00 | 76,142 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 357,086 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,226,496 |
| US Presidents - 1 Minute Sprint | 0 | - | 4.43 | 282,742 |
| U.S. President Scramble | 0 | - | 4.42 | 107,961 |
| Name a Valid U.S. President #2 | 0 | - | 4.52 | 62,314 |
| The John F. Kennedy Presidency | 0 | - | 4.45 | 41,288 |
| People in Pictures with Barack Obama | 0 | - | 4.11 | 45,431 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.41 | 22,666 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.47 | 21,202 |
| U.S. Presidential Quotes | 0 | - | 4.36 | 42,935 |
| U.S. Vice Presidents | 0 | - | 4.42 | 121,991 |
| U.S. Presidential Trivia #1 | 0 | - | 4.52 | 98,637 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.57 | 83,216 |
| The George W. Bush Presidency | 0 | - | 4.06 | 31,058 |
| U.S. Presidential Trivia #2 | 0 | - | 4.51 | 45,420 |
| Assassinated U.S. Presidents | 0 | - | 4.54 | 81,003 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 33,810 |
| The Barack Obama Presidency | 0 | - | 4.17 | 23,793 |
| Random U.S. States on a Map | 0 | - | 4.95 | 512,176 |
| U.S. Senators by State | 0 | - | 4.49 | 36,755 |
| Presidential Actors | 0 | - | 4.34 | 18,002 |
| Governors Who Ran For President | 0 | - | 4.47 | 19,009 |
| U.S. Presidents by Event | 0 | - | 4.58 | 29,442 |
| First Ladies of the United States | 0 | - | 4.27 | 80,730 |
| Presidential Middle Names | 0 | - | 4.37 | 56,543 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 24,994 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 66,329 |
| Random U.S. Vice President to President | 0 | - | 4.55 | 28,376 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.63 | 14,172 |
| U.S. Presidents to Win the Nobel Peace Prize | 0 | - | 4.32 | 16,973 |
| Add a Letter - Make a U.S. President | 0 | - | 4.66 | 22,254 |
| U.S. Presidents Who Died in Office | 0 | - | 4.76 | 31,542 |
| George Bush... or George Bush | 0 | - | 3.89 | 7,760 |
| U.S. Presidential Running Mates | 0 | - | 4.39 | 26,167 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 12,949 |
| The John Adams Presidency | 0 | - | 4.10 | 8,050 |
| The Theodore Roosevelt Presidency | 0 | - | 4.33 | 7,191 |
| U.S. Vice Presidential Trivia | 0 | - | 4.31 | 11,636 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 123,317 |
| Vietnam War Countries | 0 | - | 4.81 | 87,449 |
| US Presidents Breakdown Puzzle #1 | 0 | - | 3.73 | 19,363 |
| The George Washington Presidency | 0 | - | 4.02 | 13,730 |
| Franklin... or Theodore Roosevelt | 0 | - | 4.34 | 10,769 |
| U.S. Presidential Knowledge - Multiple Choice | 0 | - | 4.32 | 20,658 |
| The Kennedy Family | 0 | - | 3.84 | 13,400 |
| The American Revolution | 0 | - | 4.55 | 52,061 |
| Six Flags Over Texas | 0 | - | 4.84 | 59,418 |
| Deadliest U.S. Wars | 0 | - | 4.83 | 160,047 |
| Ultimate Harry Potter Name Game | 0 | - | 4.95 | 467,647 |
| United States Map Quiz | 0 | - | 4.98 | 3,933,868 |
| The Bill Clinton Presidency | 0 | - | 4.18 | 30,328 |
| The George H. W. Bush Presidency | 0 | - | 4.35 | 20,660 |
| The Ronald Reagan Presidency | 0 | - | 4.25 | 23,765 |
| The Richard Nixon Presidency | 0 | - | 4.10 | 20,969 |
| The Jimmy Carter Presidency | 0 | - | 4.39 | 18,175 |
| People in Pictures with Ronald Reagan | 0 | - | 4.36 | 37,973 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 220,740 |
| Groups of Things - Harry Potter | 0 | - | 4.85 | 263,895 |
| Vatican City Country Quiz | 0 | - | 4.50 | 40,048 |
| The Iraq War | 0 | - | 4.45 | 14,521 |
| Random American Countries on a Map | 0 | - | 4.96 | 87,861 |
| Random U.S. Presidents by Picture | 0 | - | 4.37 | 60,900 |
| Countries of the Soviet Union | 0 | - | 4.98 | 186,146 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.93 | 354,370 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 109,308 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 117,809 |
| U.S. State Border Crossings | 0 | - | 4.96 | 82,996 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 224,260 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 108,201 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 66,488 |
| U.S. Presidents True or False | 0 | - | 3.94 | 14,702 |
| U.S. Presidential Last Names as Baby Names | 0 | - | 4.20 | 30,703 |
| Cities and Towns of Massachusetts | 0 | - | 4.90 | 62,269 |
| US States Quiz | 0 | - | 5.00 | 15,000,220 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 204,564 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.92 | 51,763 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 135,790 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 64,510 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.94 | 51,109 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 60,296 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 47,513 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 75,318 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 95,401 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.96 | 77,069 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 102,378 |
| Basic Harry Potter Quiz | 0 | - | 4.55 | 363,632 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 55,861 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 67,748 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 95,254 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 68,161 |
| Total United States Immigration by Country | 0 | - | 4.90 | 98,239 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 149,470 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 189,118 |
| Pixelated United States Map | 0 | - | 4.90 | 83,786 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 95,355 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 80,350 |
| All U.S. Supreme Court Justices | 0 | - | 4.49 | 27,465 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 68,133 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 523,145 |
| U.S. History for Dummies | 0 | - | 4.50 | 66,335 |
| U.S. Civil War Decoder | 0 | - | 4.17 | 24,228 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 102,148 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 97,833 |
| 10 Southernmost U.S. States | 0 | - | 4.86 | 100,821 |
| U.S. States with Short Names | 0 | - | 4.87 | 132,093 |
| U.S. States that Start with M | 0 | - | 4.91 | 152,686 |
| U.S. States By Population | 0 | - | 4.90 | 131,481 |
| U.S. States that Start with N | 0 | - | 4.95 | 157,454 |
| U.S. States with Longest Names | 0 | - | 4.84 | 36,841 |
| US States with an Empty Map | 0 | - | 5.00 | 562,870 |
| 10 Northernmost U.S. States | 0 | - | 4.89 | 74,765 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 343,414 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 78,989 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 59,013 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 57,110 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 146,847 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 168,809 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 99,851 |
| Top 10 Least Obese U.S. States | 0 | - | 4.81 | 69,368 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 278,616 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 91,357 |
| Monty Python Quotes | 0 | - | 4.89 | 40,646 |
| Shakespearean Phrases | 0 | - | 4.56 | 34,437 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 224,276 |
| Most-Visited Countries by Popes | 0 | - | 4.65 | 77,574 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 61,818 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 73,063 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 88,625 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 79,296 |
| Random African Flag to Country | 0 | - | 4.88 | 65,702 |
| Most Guessed North American Teams by Sport | 0 | - | 4.30 | 57,157 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 35,443 |
| Rivers of the United States | 0 | - | 4.92 | 58,110 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 282,052 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 126,123 |
| Countries that Beat the United States | 0 | - | 4.92 | 148,176 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.43 | 69,986 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.70 | 74,780 |
| Countries Closest to Alaska | 0 | - | 4.92 | 100,356 |
| California A-Z | 0 | - | 4.48 | 27,943 |
| Top 10 Los Angeles Lakers of All-Time | 0 | - | 4.34 | 42,657 |
| Countries Closest to Maine | 0 | - | 4.86 | 59,894 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.85 | 22,515 |
| People on Money - United States | 0 | - | 4.31 | 61,983 |
| U.S. History Groups of Two | 0 | - | 4.25 | 42,073 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.18 | 41,709 |
| Embarrassing Chapters in US History | 0 | - | 4.15 | 31,674 |
| The American Civil War | 0 | - | 4.74 | 49,488 |
| Word Scramble - U.S. States | 0 | - | 4.96 | 464,498 |
| Louisiana Purchase with a Map | 0 | - | 4.95 | 37,361 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 187,628 |
| Great Plains States and Provinces on a Map | 0 | - | 4.94 | 39,290 |
| U.S. States with the Longest International Borders | 0 | - | 4.81 | 42,454 |
| Top 10 Coldest U.S. States | 0 | - | 4.92 | 102,152 |
| Top 10 Hottest U.S. States | 0 | - | 4.88 | 109,188 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 72,689 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 91,060 |
| U.S. States with the Most Immigrants | 0 | - | 4.86 | 74,513 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 57,569 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 73,013 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 117,396 |
| Random European Flag to Country | 0 | - | 4.90 | 164,129 |
| Countries that Bordered the USSR | 0 | - | 4.94 | 154,507 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 90,671 |
| Harry Potter Last Names | 0 | - | 4.66 | 898,966 |
| Harry Potter: Voldemort's Horcruxes | 0 | - | 4.43 | 106,498 |
| Countries of Asia in 1900 | 0 | - | 4.49 | 54,076 |
| Random Asian Countries on a Map | 0 | - | 4.95 | 154,058 |
| The Persian Gulf War | 0 | - | 4.00 | 7,789 |
| The Vietnam War | 0 | - | 4.41 | 33,185 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 99,342 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 49,131 |
| Random African Countries on a Map | 0 | - | 4.98 | 252,743 |
| Most-Spoken Languages of the United States | 0 | - | 4.45 | 165,676 |
| Countries Closest to United States A-Z | 0 | - | 4.84 | 108,602 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.33 | 10,535 |
| Top 10 U.S. Swing States in the 2024 Election | 0 | - | 4.52 | 70,810 |
| History of Florida | 0 | - | 4.44 | 8,846 |
| The Life of Martin Luther King Jr. | 0 | - | 4.80 | 10,456 |
| Hawaiian Islands | 0 | - | 4.86 | 38,929 |
| Top 10 Boston Celtics Players | 0 | - | 4.08 | 21,575 |
| Boston Celtics Trivia | 0 | - | 4.26 | 12,037 |
| Top 15 New York Yankees of All-Time | 0 | - | 4.07 | 24,375 |
| History of Texas | 0 | - | 4.41 | 13,622 |
| History of Pennsylvania | 0 | - | 4.09 | 6,524 |
| U.S. States that Border Tennessee | 0 | - | 4.84 | 58,093 |
| History of Virginia | 0 | - | 4.33 | 11,011 |
| American History Quotes #1 | 0 | - | 4.40 | 92,053 |
| American History Quotes #2 | 0 | - | 4.38 | 39,524 |
| Old West History | 0 | - | 4.29 | 14,833 |
| Events in U.S. History | 0 | - | 4.38 | 26,434 |
| Life of Benjamin Franklin | 0 | - | 4.20 | 6,254 |
| American Revolution - Multiple Choice | 0 | - | 4.32 | 18,969 |
| Last Names in U.S. History #1 | 0 | - | 4.24 | 34,486 |
| Last Names in U.S. History #2 | 0 | - | 4.42 | 16,214 |
| Fifty US States in One Minute | 0 | - | 4.57 | 3,288,482 |
| U.S. State Flags | 0 | - | 4.88 | 140,386 |
