| Prime Ministers of the UK | 0 | - | 4.96 | 436,248 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,670,344 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,844 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,366 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,519 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,673 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.41 | 51,572 |
| Byzantine History | 0 | - | 4.91 | 28,680 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 63,805 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,768 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 424,716 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,241 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 492,026 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,497 |
| Countries of the Popes | 0 | - | 4.79 | 127,537 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,206 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,841 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,278 |
| Presidential Middle Names | 0 | - | 4.41 | 59,882 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 380,208 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,927 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,121 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,254 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,887 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,426 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,738 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 280,571 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.91 | 37,293 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,722 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 304,040 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,836 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,623 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,425 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,767 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,877 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,418 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,299 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,638 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,709 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 143,716 |
| Countries of the German Empire | 0 | - | 4.51 | 37,764 |
| Country by Photo of its Leader | 0 | - | 4.74 | 123,553 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,232 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,648 |
| U.S. Vice Presidents | 0 | - | 4.39 | 135,531 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,191 |
| First Ladies of the United States | 0 | - | 4.28 | 85,351 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,856 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,151 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 76,620 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,067 |
| Add a Letter - Make a U.S. President | 0 | - | 4.57 | 23,874 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,652 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,725 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,086 |
| Name that Greek Letter | 0 | - | 4.93 | 322,339 |
| Roman to Greek God | 0 | - | 4.52 | 122,441 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,735 |
| Shakespeare's Plays Quiz | 0 | - | 4.38 | 386,586 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 377,659 |
| Name the English Monarchs | 0 | - | 4.92 | 499,665 |
| Pope Facts | 0 | - | 4.39 | 31,118 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,021 |
| U.S. President Scramble | 0 | - | 4.40 | 116,409 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,761 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,268 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,701 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,943 |
| The Trojan War | 0 | - | 4.83 | 39,536 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,046 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,299 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,946 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,230 |
| Roman Emperors | 0 | - | 4.95 | 119,053 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,758 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,610 |
| National Founders | 0 | - | 4.40 | 83,717 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 54,148 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 28,948 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.49 | 11,693 |
| U.S. Presidential Running Mates | 0 | - | 4.40 | 28,536 |
| The George Washington Presidency | 0 | - | 4.03 | 14,498 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,681 |
| Random U.S. Vice President to President | 0 | - | 4.39 | 30,555 |
| The John Adams Presidency | 0 | - | 4.12 | 8,701 |
| Franklin... or Theodore Roosevelt | 0 | - | 4.35 | 16,897 |
| The Theodore Roosevelt Presidency | 0 | - | 4.39 | 7,708 |
| U.S. Presidents to Win the Nobel Peace Prize | 0 | - | 4.34 | 18,258 |
| U.S. Presidential Knowledge - Multiple Choice | 0 | - | 4.36 | 21,635 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,802 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,557 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,797 |
| History of Russia Quiz | 0 | - | 4.49 | 31,831 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,377 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,415 |
| Ancient Greek Words | 0 | - | 4.93 | 111,024 |
| History of Italy | 0 | - | 4.55 | 31,881 |
| Countries of the Italian Empire | 0 | - | 4.21 | 27,603 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,643 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,134 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,793 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,547 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,070 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,691 |
| Shakespeare Quotes | 0 | - | 4.43 | 71,226 |
| Harry Potter: Voldemort's Horcruxes | 0 | - | 4.44 | 112,261 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 61,732 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 53,671 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,006 |
| Communist Countries in History | 0 | - | 4.63 | 493,637 |
| History of India | 0 | - | 4.61 | 21,331 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,278 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,226 |
| History of South Africa | 0 | - | 4.60 | 17,632 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,826 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 621,673 |
| U.S. Presidential Quotes | 0 | - | 4.37 | 44,397 |
| The George W. Bush Presidency | 0 | - | 4.06 | 32,118 |
| People in Pictures with Ronald Reagan | 0 | - | 4.35 | 40,524 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,072 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,871 |
| Europe Map Quiz | 0 | - | 5.00 | 4,742,712 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,395 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,826 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 210,708 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,172 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 93,741 |
| History of Austria | 0 | - | 4.70 | 17,792 |
| Geography of the French Empire | 0 | - | 4.45 | 26,984 |
| The French Revolution | 0 | - | 4.46 | 23,849 |
| History of France | 0 | - | 4.59 | 56,508 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,421 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,854 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,825 |
| Least Irish U.S. States | 0 | - | 4.49 | 18,252 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,113 |
| The Vikings! | 0 | - | 4.46 | 28,279 |
| The Portuguese Empire | 0 | - | 4.58 | 12,022 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,379 |
| Biggest British Empire Countries | 0 | - | 4.73 | 99,357 |
| Name the Harry Potter Books | 0 | - | 4.31 | 277,813 |
| Harry Potter Spells | 0 | - | 4.32 | 139,164 |
| Harry Potter Places | 0 | - | 4.34 | 107,751 |
| Harry Potter - Order of the Phoenix Members | 0 | - | 4.06 | 42,890 |
| Harry Potter Creatures | 0 | - | 4.29 | 63,705 |
| Word Scramble - Harry Potter Characters | 0 | - | 4.19 | 60,551 |
| Harry Potter Characters by Screen Time | 0 | - | 4.27 | 147,323 |
| 100 Most Common Words in Beatles Songs | 0 | - | 4.52 | 25,270 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,255 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,050 |
| Geography of the British Empire | 0 | - | 4.48 | 39,566 |
| Medieval English History | 0 | - | 4.53 | 43,378 |
| The Life of Winston Churchill | 0 | - | 4.16 | 11,826 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,023 |
| History of Iran | 0 | - | 4.66 | 16,298 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,862 |
| Vietnam War Countries | 0 | - | 4.83 | 93,846 |
| History of China | 0 | - | 4.37 | 56,868 |
| Political Movements by Country | 0 | - | 4.46 | 72,361 |
| Countries of Africa | 0 | - | 5.00 | 2,518,104 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,588 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,057 |
| Africa Map Quiz | 0 | - | 5.00 | 2,109,468 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,170 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,092 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,831 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,602 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,768 |
| African East Coast | 0 | - | 4.96 | 95,427 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,627 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,288 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,086 |
| African Island Countries | 0 | - | 4.96 | 101,080 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,288 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,926 |
| Oceania Map Quiz | 0 | - | 4.98 | 637,857 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,115 |
| Australian States and Territories | 0 | - | 4.96 | 141,260 |
| Australian Capitals | 0 | - | 4.92 | 62,644 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,109 |
| Australia Map Quiz | 0 | - | 4.94 | 343,096 |
| Australia True or False | 0 | - | 4.87 | 56,637 |
| Flags of North and South America | 0 | - | 4.99 | 369,587 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,352 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,455 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,722 |
| History of Mexico | 0 | - | 4.58 | 15,252 |
| South America Map Quiz | 0 | - | 5.00 | 1,543,820 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,579 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,016,164 |
| North America Map Quiz | 0 | - | 4.98 | 246,129 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,506 |
| United States Map Quiz | 0 | - | 4.98 | 4,147,067 |
| U.S. States by Governor | 0 | - | 4.43 | 18,008 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,413 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,610 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,278 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,044 |
| Top 10 U.S. Swing States in the 2024 Election | 0 | - | 4.51 | 75,019 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,248 |
