| Prime Ministers of the UK | 0 | - | 4.95 | 437,540 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,847 |
| Countries of the Popes | 0 | - | 4.79 | 127,819 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,686,329 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,927 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 191,237 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,407 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 37,619 |
| Pope Facts | 0 | - | 4.39 | 31,186 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 144,203 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,152 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,840 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,406 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 94,811 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 492,769 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 425,721 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 380,972 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,513 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.41 | 51,662 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,495 |
| U.S. Presidents by Event | 0 | - | 4.58 | 34,200 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,540 |
| Presidential Middle Names | 0 | - | 4.41 | 60,078 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,156 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,412 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,924 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,343 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,120 |
| U.S. States by Church Attendance | 0 | - | 4.59 | 32,379 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,704 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,755 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,859 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,328 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 281,213 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,557 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,108 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 72,784 |
| U.S. Vice Presidents | 0 | - | 4.39 | 135,997 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,234 |
| First Ladies of the United States | 0 | - | 4.28 | 85,509 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,194 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 76,896 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 304,545 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,147 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,832 |
| Add a Letter - Make a U.S. President | 0 | - | 4.57 | 23,925 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,786 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,494 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,821 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 76,075 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,227 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,664 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,564 |
| Countries of the German Empire | 0 | - | 4.51 | 37,854 |
| Byzantine History | 0 | - | 4.91 | 28,746 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,658 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,891 |
| UK Immigration by Country | 0 | - | 4.94 | 140,602 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,331 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,974 |
| Shakespeare's Plays Quiz | 0 | - | 4.37 | 387,377 |
| Name the English Monarchs | 0 | - | 4.91 | 501,202 |
| Country by Photo of its Leader | 0 | - | 4.72 | 123,816 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,920 |
| U.S. President Scramble | 0 | - | 4.40 | 116,607 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,830 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,456 |
| Every European Country Shape | 0 | - | 4.96 | 201,206 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,649 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,114 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,591 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,825 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,117 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,430 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,433 |
| The Trojan War | 0 | - | 4.83 | 39,630 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,843 |
| Name that Greek Letter | 0 | - | 4.93 | 322,998 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,476 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,390 |
| Roman Emperors | 0 | - | 4.95 | 119,597 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 60,879 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,492 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,047 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,859 |
| Monty Python Quotes | 0 | - | 4.88 | 42,427 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 378,319 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,117 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,049 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,643 |
| National Founders | 0 | - | 4.40 | 83,780 |
| The Dictator Files: Fidel Castro | 0 | - | 4.19 | 12,304 |
| U.S. Presidential Running Mates | 0 | - | 4.40 | 28,594 |
| The George Washington Presidency | 0 | - | 4.03 | 14,528 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,711 |
| Random U.S. Vice President to President | 0 | - | 4.39 | 30,610 |
| The John Adams Presidency | 0 | - | 4.12 | 8,728 |
| Franklin... or Theodore Roosevelt | 0 | - | 4.35 | 16,912 |
| The Theodore Roosevelt Presidency | 0 | - | 4.39 | 7,724 |
| U.S. Presidents to Win the Nobel Peace Prize | 0 | - | 4.34 | 18,294 |
| U.S. Presidential Knowledge - Multiple Choice | 0 | - | 4.36 | 21,653 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,826 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,377 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,195 |
| Random European Countries on a Map | 0 | - | 4.97 | 282,994 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 317,390 |
| Random European Flag to Country | 0 | - | 4.89 | 181,869 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,709 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,645 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,821 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,240 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 73,470 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,374 |
| Ancient Greek Words | 0 | - | 4.93 | 111,291 |
| Roman to Greek God | 0 | - | 4.52 | 122,626 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,433 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,722 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,976 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,678 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,066 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,588 |
| Shakespeare Quotes | 0 | - | 4.43 | 71,332 |
| Harry Potter: Voldemort's Horcruxes | 0 | - | 4.44 | 112,568 |
| Animals in British History | 0 | - | 4.44 | 25,967 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,716 |
| 2025–2026 English Premier League Teams | 0 | - | 4.85 | 857,067 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 53,767 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,909 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,319 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,061 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,750 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,139 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,070 |
| Europe Map Quiz | 0 | - | 5.00 | 4,753,705 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,533 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,903 |
| Most Forested European Countries | 0 | - | 4.80 | 75,213 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,605 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 216,886 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,971 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,182 |
| History of Russia Quiz | 0 | - | 4.49 | 31,874 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,393 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 93,901 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,580 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,094 |
| History of France | 0 | - | 4.59 | 56,781 |
| History of Italy | 0 | - | 4.55 | 31,928 |
| Countries of the Italian Empire | 0 | - | 4.21 | 27,652 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,500 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,006 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,603 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,154 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,782 |
| Biggest British Empire Countries | 0 | - | 4.74 | 99,714 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,253 |
| Name the James Bond Movies | 0 | - | 4.56 | 158,278 |
| James Bond Trivia | 0 | - | 4.46 | 39,240 |
| Name the Harry Potter Books | 0 | - | 4.31 | 278,548 |
| Harry Potter Spells | 0 | - | 4.33 | 139,475 |
| Harry Potter Places | 0 | - | 4.34 | 108,061 |
| Harry Potter - Order of the Phoenix Members | 0 | - | 4.06 | 42,995 |
| Harry Potter Creatures | 0 | - | 4.29 | 63,908 |
| Word Scramble - Harry Potter Characters | 0 | - | 4.20 | 60,731 |
| Harry Potter Characters by Screen Time | 0 | - | 4.27 | 147,693 |
| 100 Most Common Words in Beatles Songs | 0 | - | 4.52 | 25,412 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,301 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,262 |
| Geography of the British Empire | 0 | - | 4.48 | 39,627 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 61,934 |
| Vietnam War Countries | 0 | - | 4.83 | 94,034 |
| Communist Countries in History | 0 | - | 4.63 | 494,710 |
| Political Movements by Country | 0 | - | 4.46 | 72,445 |
| History of India | 0 | - | 4.61 | 21,385 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,379 |
| Countries of Africa | 0 | - | 5.00 | 2,528,547 |
| Flags of Africa Quiz | 0 | - | 5.00 | 468,770 |
| Africa Map Quiz | 0 | - | 5.00 | 2,113,977 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,527 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,783 |
| African East Coast | 0 | - | 4.96 | 95,753 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,566 |
| History of South Africa | 0 | - | 4.60 | 17,657 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,140 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,419 |
| Australian Capitals | 0 | - | 4.92 | 62,689 |
| Australia Map Quiz | 0 | - | 4.95 | 343,712 |
| Flags of North and South America | 0 | - | 4.99 | 371,601 |
| History of Mexico | 0 | - | 4.58 | 15,288 |
| South America Map Quiz | 0 | - | 5.00 | 1,546,848 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,019,931 |
| United States Map Quiz | 0 | - | 4.98 | 4,152,754 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,914 |
| U.S. States by Governor | 0 | - | 4.43 | 18,036 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,499 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,662 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,406 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,193 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,642 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 55,226 |
