| U.S. Presidents Quiz | 0 | - | 5.00 | 3,694,108 |
| Prime Ministers of the UK | 0 | - | 4.95 | 438,473 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,635 |
| U.S. Presidents by Event | 0 | - | 4.58 | 34,384 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,720 |
| Presidential Middle Names | 0 | - | 4.41 | 60,184 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,274 |
| Assassinated U.S. Presidents | 0 | - | 4.62 | 94,545 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,397 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,966 |
| U.S. State Flags | 0 | - | 4.89 | 170,147 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,846 |
| U.S. Vice Presidents | 0 | - | 4.39 | 136,184 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,250 |
| First Ladies of the United States | 0 | - | 4.28 | 85,601 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,217 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 77,028 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,182 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 191,624 |
| Add a Letter - Make a U.S. President | 0 | - | 4.57 | 23,952 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,815 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,909 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 506,121 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,489 |
| Country by Photo of its Leader | 0 | - | 4.72 | 123,986 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 626,691 |
| Name the Popes Quiz | 0 | - | 4.47 | 138,059 |
| Countries of the Popes | 0 | - | 4.79 | 128,028 |
| South America Flags Map Quiz | 0 | - | 4.95 | 87,795 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,088 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,243 |
| U.S. Presidential Running Mates | 0 | - | 4.40 | 28,623 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 381,371 |
| The George Washington Presidency | 0 | - | 4.03 | 14,540 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,723 |
| Random U.S. Vice President to President | 0 | - | 4.39 | 30,642 |
| The John Adams Presidency | 0 | - | 4.12 | 8,742 |
| Franklin... or Theodore Roosevelt | 0 | - | 4.35 | 16,929 |
| The Theodore Roosevelt Presidency | 0 | - | 4.39 | 7,742 |
| U.S. Presidential Knowledge - Multiple Choice | 0 | - | 4.36 | 21,671 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,848 |
| Hawaiian Islands | 0 | - | 4.83 | 42,681 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,299 |
| The American Civil War | 0 | - | 4.62 | 52,406 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,924 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,783 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,343 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,482 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,289 |
| Top 10 U.S. Swing States in the 2024 Election | 0 | - | 4.51 | 75,169 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,225 |
| Satellite Images - U.S. States | 0 | - | 4.53 | 45,130 |
| U.S. States by Church Attendance | 0 | - | 4.59 | 32,411 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,925 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,089 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 80,670 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,520 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,877 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,774 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,950 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,432 |
| The Dictator Files: Saddam Hussein | 0 | - | 4.48 | 15,847 |
| George Washington... or George W. Bush? | 0 | - | 4.16 | 12,264 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,770 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,842 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 304,838 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,951 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 94,928 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,467 |
| Name the English Monarchs | 0 | - | 4.91 | 502,180 |
| The Vietnam War | 0 | - | 4.44 | 35,509 |
| Every African Country Shape | 0 | - | 4.90 | 87,188 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,947 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,682 |
| Every European Country Shape | 0 | - | 4.96 | 201,491 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,458 |
| The Trojan War | 0 | - | 4.83 | 39,691 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,858 |
| Name that Greek Letter | 0 | - | 4.93 | 323,304 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,728 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,484 |
| Roman Emperors | 0 | - | 4.95 | 119,870 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,049 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,761 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,213 |
| Pope Facts | 0 | - | 4.39 | 31,226 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,654 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,063 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,669 |
| National Founders | 0 | - | 4.40 | 83,817 |
| Africa Flags Map Quiz | 0 | - | 4.95 | 36,365 |
| Eastern Africa Map Quiz | 0 | - | 4.98 | 78,869 |
| American Junk Food Brands #1 | 0 | - | 3.84 | 60,922 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,062 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,073 |
| U.S. President Scramble | 0 | - | 4.40 | 116,723 |
| U.S. Presidents True or False | 0 | - | 3.96 | 15,594 |
| U.S. Presidents by Picture - Multiple Choice | 0 | - | 4.50 | 28,820 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,867 |
| California... or Florida? | 0 | - | 4.60 | 51,315 |
| Georgia Counties | 0 | - | 4.50 | 49,461 |
| New York Counties | 0 | - | 4.65 | 50,520 |
| Texas Counties | 0 | - | 4.55 | 76,690 |
| North Carolina Counties | 0 | - | 4.54 | 53,238 |
| Ohio Counties | 0 | - | 4.48 | 45,790 |
| Pennsylvania Counties | 0 | - | 4.49 | 52,711 |
| Virginia Counties | 0 | - | 4.45 | 33,228 |
| West Virginia Counties | 0 | - | 4.63 | 33,756 |
| Major U.S. Rivers with State Names | 0 | - | 4.49 | 39,547 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,678 |
| Random General Knowledge - U.S. States | 0 | - | 4.46 | 41,954 |
| Cartoon Versions of U.S. States | 0 | - | 4.77 | 63,871 |
| Random Point on Land to US State | 0 | - | 4.63 | 69,193 |
| U.S. States by Nickname | 0 | - | 4.57 | 69,518 |
| Merged U.S. States | 0 | - | 4.37 | 44,135 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,078 |
| Which City in Canada? | 0 | - | 4.82 | 57,033 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,789 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,425 |
| Ancient Greek Words | 0 | - | 4.93 | 111,502 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,800 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 493,181 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.89 | 99,273 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.86 | 114,042 |
| Countries that Start with A - Shape Quiz | 0 | - | 4.93 | 34,437 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.94 | 82,755 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,406 |
| Random African Countries on a Map | 0 | - | 4.99 | 295,660 |
| Random American Countries on a Map | 0 | - | 4.96 | 99,430 |
| The Dictator Files: Fidel Castro | 0 | - | 4.19 | 12,317 |
| American Monopoly Board - Map Quiz | 0 | - | 4.52 | 21,203 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,069 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,778 |
| U.S. Presidents to Win the Nobel Peace Prize | 0 | - | 4.34 | 18,317 |
| Star-Spangled Banner Lyrics | 0 | - | 4.36 | 179,279 |
| California Counties Map Quiz | 0 | - | 4.36 | 34,447 |
| California Counties | 0 | - | 4.39 | 119,185 |
| Colorado Counties | 0 | - | 4.45 | 26,647 |
| Florida Counties | 0 | - | 4.39 | 48,542 |
| State Quiz - Hawaii | 0 | - | 4.35 | 65,290 |
| Illinois Counties | 0 | - | 4.56 | 30,383 |
| Indiana Counties | 0 | - | 4.46 | 28,929 |
| Michigan Counties | 0 | - | 4.63 | 30,331 |
| U.S. States that Border Missouri | 0 | - | 4.55 | 12,805 |
| Las Vegas Casinos | 0 | - | 4.13 | 38,052 |
| New Jersey Counties | 0 | - | 4.57 | 30,279 |
| Washington Counties | 0 | - | 4.77 | 26,841 |
| Wisconsin Counties | 0 | - | 4.51 | 26,907 |
| Top 10 Most Jewish U.S. States | 0 | - | 4.31 | 42,945 |
| US States and State Capitals | 0 | - | 4.99 | 161,868 |
| TV Shows by U.S. State | 0 | - | 4.33 | 47,430 |
| U.S. States by Alternate Nicknames | 0 | - | 4.24 | 42,912 |
| Colleges by U.S. State - Multiple Choice | 0 | - | 4.57 | 23,033 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,993 |
| Europe Map Quiz | 0 | - | 5.00 | 4,759,715 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,233 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,958 |
| Random European Countries on a Map | 0 | - | 4.97 | 283,296 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 317,862 |
| History of Russia Quiz | 0 | - | 4.47 | 31,905 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,467 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 73,973 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,589 |
| History of Italy | 0 | - | 4.55 | 31,960 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,084 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,642 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,206 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,838 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 281,574 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 37,788 |
| Random Asian Countries on a Map | 0 | - | 4.91 | 169,910 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 53,802 |
| Communist Countries in History | 0 | - | 4.63 | 495,371 |
| Countries that Start with B - Shape Quiz | 0 | - | 4.91 | 27,163 |
| History of India | 0 | - | 4.62 | 21,413 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,424 |
| Africa Map Quiz | 0 | - | 5.00 | 2,116,611 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,054 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 127,475 |
| History of South Africa | 0 | - | 4.60 | 17,679 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,588 |
| Australian Capitals | 0 | - | 4.92 | 62,714 |
| History of Mexico | 0 | - | 4.58 | 15,304 |
| Puerto Rico Trivia | 0 | - | 4.51 | 11,994 |
| United States Map Quiz | 0 | - | 4.98 | 4,156,423 |
| American Junk Food Brands #2 | 0 | - | 3.82 | 30,753 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,955 |
| Mayors of New York City | 0 | - | 3.96 | 12,209 |
| U.S. Presidential Quotes | 0 | - | 4.37 | 44,490 |
| The George W. Bush Presidency | 0 | - | 4.06 | 32,183 |
| People in Pictures with Ronald Reagan | 0 | - | 4.35 | 40,660 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,172 |
| Movies with America in the Title | 0 | - | 4.17 | 28,760 |
| North Dakota... or South Dakota? | 0 | - | 4.45 | 13,716 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,220 |
| U.S. States Bordering the Great Lakes | 0 | - | 4.54 | 18,247 |
| States and Provinces that Touch the Great Lakes | 0 | - | 4.54 | 28,889 |
| States in a Tank of the U.S. Map | 0 | - | 4.47 | 31,226 |
| U.S. States with Shortest Maximum Distances to the Ocean | 0 | - | 4.66 | 21,015 |
| U.S. National Parks by State - Multiple Choice | 0 | - | 4.46 | 19,261 |
