| Prime Ministers of the UK | 0 | - | 4.95 | 443,232 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 428,921 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,535 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,931 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,629 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,731,704 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 194,052 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,974 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 21,051 |
| Country by Photo of its Leader | 0 | - | 4.70 | 124,759 |
| Prime Ministers of Australia | 0 | - | 4.51 | 32,245 |
| Canadian Prime Ministers | 0 | - | 4.64 | 58,020 |
| Byzantine History | 0 | - | 4.91 | 29,055 |
| Byzantine Emperors | 0 | - | 4.93 | 14,665 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 494,978 |
| Name the Popes Quiz | 0 | - | 4.47 | 139,103 |
| Countries of the Popes | 0 | - | 4.78 | 128,912 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,996 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 75,616 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.89 | 114,522 |
| Biggest English Cities by Century | 0 | - | 4.91 | 107,104 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 218,252 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,513 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,238 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 127,078 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 119,724 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 128,501 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,994 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,174 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 306,435 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 70,671 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,581 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 86,113 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 66,033 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 72,036 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,743 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,681 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,062 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,719 |
| U.S. President Scramble | 0 | - | 4.40 | 117,573 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,372 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 48,117 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 192,030 |
| Every European Country Shape | 0 | - | 4.96 | 203,284 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.46 | 26,970 |
| The Trojan War | 0 | - | 4.83 | 40,090 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 653,075 |
| Name that Greek Letter | 0 | - | 4.93 | 325,334 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,261 |
| Mythology A-Z | 0 | - | 4.31 | 37,455 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,704 |
| Roman Emperors | 0 | - | 4.95 | 121,458 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.27 | 104,170 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,811 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,531 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 87,035 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,899 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 379,877 |
| Name the English Monarchs | 0 | - | 4.91 | 507,458 |
| People Buried at Westminster Abbey | 0 | - | 4.67 | 14,343 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,657 |
| Pope Facts | 0 | - | 4.39 | 31,430 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,742 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,145 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,770 |
| Every African Country Shape | 0 | - | 4.90 | 88,647 |
| National Founders | 0 | - | 4.40 | 84,003 |
| South America Flags Map Quiz | 0 | - | 4.95 | 89,177 |
| U.S. Presidential Quotes | 0 | - | 4.37 | 44,625 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 109,679 |
| U.S. Presidents by Event | 0 | - | 4.58 | 35,484 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.62 | 94,767 |
| Presidential Middle Names | 0 | - | 4.42 | 60,812 |
| The George W. Bush Presidency | 0 | - | 4.06 | 32,299 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,754 |
| Assassinated U.S. Presidents | 0 | - | 4.62 | 94,944 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 35,260 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,661 |
| U.S. State Flags | 0 | - | 4.88 | 173,540 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,547 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.74 | 58,831 |
| Flags of Countries That Border France | 0 | - | 4.89 | 123,936 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 40,066 |
| Ancient Greek Words | 0 | - | 4.93 | 112,689 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,972 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,594 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 108,947 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 192,204 |
| Shakespearean Phrases | 0 | - | 4.58 | 36,929 |
| Harry Potter: Voldemort's Horcruxes | 0 | - | 4.45 | 113,150 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,775 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 293,014 |
| 2026–2027 English Premier League Teams | 0 | - | 4.84 | 873,269 |
| Africa Flags Map Quiz | 0 | - | 4.94 | 36,946 |
| Eastern Africa Map Quiz | 0 | - | 4.98 | 79,695 |
| Random American Countries on a Map | 0 | - | 4.96 | 100,537 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,165 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,878 |
| U.S. Vice Presidents | 0 | - | 4.39 | 137,201 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,383 |
| U.S. Presidential Running Mates | 0 | - | 4.41 | 28,799 |
| First Ladies of the United States | 0 | - | 4.28 | 86,031 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,339 |
| U.S. Presidents in Order by First Letter | 0 | - | 4.32 | 77,543 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,387 |
| Add a Letter - Make a U.S. President | 0 | - | 4.58 | 24,123 |
| Win the 1828 U.S. Presidential Election | 0 | - | 4.32 | 59,661 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,962 |
| Europe Map Quiz | 0 | - | 5.00 | 4,793,895 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,118 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,253 |
| Random European Countries on a Map | 0 | - | 4.97 | 285,391 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 320,927 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,697 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,752 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,901 |
| History of Russia Quiz | 0 | - | 4.47 | 32,028 |
| Countries Invaded by the USSR | 0 | - | 4.30 | 94,516 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,695 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,669 |
| Countries of the German Empire | 0 | - | 4.51 | 38,314 |
| Figures from Greek Mythology | 0 | - | 4.92 | 192,916 |
| History of Italy | 0 | - | 4.55 | 32,186 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,504 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,856 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,470 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,150 |
| Name the Harry Potter Books | 0 | - | 4.31 | 281,062 |
| Harry Potter Spells | 0 | - | 4.30 | 140,152 |
| Harry Potter Places | 0 | - | 4.35 | 108,834 |
| Harry Potter - Order of the Phoenix Members | 0 | - | 4.06 | 43,248 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.93 | 398,052 |
| Harry Potter Creatures | 0 | - | 4.30 | 64,531 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 38,312 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,517 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,923 |
| The Life of Winston Churchill | 0 | - | 4.16 | 11,884 |
| Vatican City Country Quiz | 0 | - | 4.53 | 44,719 |
| Random Asian Countries on a Map | 0 | - | 4.91 | 171,208 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,700 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,834 |
| Random African Countries on a Map | 0 | - | 4.99 | 298,404 |
| Communist Countries in History | 0 | - | 4.63 | 498,813 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,491 |
| Australian Capitals | 0 | - | 4.92 | 62,863 |
| History of Mexico | 0 | - | 4.52 | 15,376 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,789 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,201 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,615 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 55,780 |
| The Bill Clinton Presidency | 0 | - | 4.24 | 31,559 |
| The George H. W. Bush Presidency | 0 | - | 4.36 | 21,564 |
| The Ronald Reagan Presidency | 0 | - | 4.26 | 24,908 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,789 |
| People in Pictures with Ronald Reagan | 0 | - | 4.35 | 40,953 |
| Random U.S. Vice President to President | 0 | - | 4.39 | 30,778 |
| The John Adams Presidency | 0 | - | 4.12 | 8,799 |
| The Theodore Roosevelt Presidency | 0 | - | 4.39 | 7,788 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,941 |
| U.S. Presidential Last Names as Baby Names | 0 | - | 4.19 | 33,863 |
| The Barack Obama Presidency | 0 | - | 4.14 | 25,533 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,507 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,197 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 235,465 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 304,306 |
| Shapes of Mediterranean Sea Countries | 0 | - | 4.80 | 56,125 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,872 |
| Official European Union Languages | 0 | - | 4.97 | 240,394 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,844 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,436 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,497 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,982 |
| History of Austria | 0 | - | 4.70 | 17,992 |
| Geography of the French Empire | 0 | - | 4.45 | 27,236 |
| The French Revolution | 0 | - | 4.47 | 24,169 |
| History of France | 0 | - | 4.61 | 57,736 |
| French History Multiple Choice | 0 | - | 4.55 | 33,280 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,578 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,285 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,076 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,493 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,894 |
| Least Irish U.S. States | 0 | - | 4.49 | 18,419 |
| Countries Italy Declared War On | 0 | - | 4.74 | 48,300 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,400 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,270 |
| Roman Names for Places | 0 | - | 4.62 | 58,795 |
| History of The Netherlands | 0 | - | 4.46 | 17,572 |
| The Vikings! | 0 | - | 4.46 | 28,425 |
| The Portuguese Empire | 0 | - | 4.58 | 12,118 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,335 |
| Real Madrid 2010s Starting XI | 0 | - | 4.90 | 69,119 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,492 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,392 |
| Geography of the British Empire | 0 | - | 4.48 | 39,882 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 32,006 |
| Houses of British Monarchs | 0 | - | 4.54 | 66,034 |
| Medieval English History | 0 | - | 4.53 | 43,692 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,359 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,106 |
