| Prime Ministers of the UK | 0 | - | 4.96 | 434,789 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 143,228 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,661 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,656,020 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,804 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,322 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,689 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,456 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,186 |
| Countries of the Popes | 0 | - | 4.79 | 127,248 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.91 | 37,141 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,022 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,742 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,338 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,059 |
| Countries of the German Empire | 0 | - | 4.51 | 37,671 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,512 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,531 |
| Shakespeare's Plays Quiz | 0 | - | 4.38 | 385,843 |
| Country by Photo of its Leader | 0 | - | 4.74 | 123,284 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,866 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,629 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,505 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,313 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,637 |
| U.S. Vice Presidents | 0 | - | 4.41 | 134,973 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 107,979 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,535 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,024 |
| Presidential Middle Names | 0 | - | 4.41 | 59,723 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,757 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 93,840 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,753 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,177 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,912 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,690 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,529 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,787 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,398 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,867 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,255 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,299 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,649 |
| Pope Facts | 0 | - | 4.39 | 31,050 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,004 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,579 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,934 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,878 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,367 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,538 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,168 |
| First Ladies of the United States | 0 | - | 4.28 | 85,253 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,116 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 76,328 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,005 |
| Add a Letter - Make a U.S. President | 0 | - | 4.61 | 23,839 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,693 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,292 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,989 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,455 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,455 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,148 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,041 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,184 |
| Roman to Greek God | 0 | - | 4.52 | 122,238 |
| Byzantine History | 0 | - | 4.91 | 28,627 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,947 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,247 |
| UK Immigration by Country | 0 | - | 4.94 | 139,695 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,232 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,150 |
| Name the English Monarchs | 0 | - | 4.92 | 498,098 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.40 | 51,490 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,308 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,972 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,377 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,818 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,309 |
| Every European Country Shape | 0 | - | 4.96 | 200,243 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,764 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,182 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,126 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,982 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,531 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,703 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,352 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,541 |
| The Trojan War | 0 | - | 4.83 | 39,444 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,089 |
| Name that Greek Letter | 0 | - | 4.94 | 321,729 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,592 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,175 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,065 |
| Roman Emperors | 0 | - | 4.95 | 118,522 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,313 |
| Monty Python Quotes | 0 | - | 4.88 | 42,328 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,357 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,331 |
| National Founders | 0 | - | 4.40 | 83,655 |
| U.S. Presidential Running Mates | 0 | - | 4.40 | 28,463 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 303,418 |
| The George Washington Presidency | 0 | - | 4.03 | 14,477 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,663 |
| Random U.S. Vice President to President | 0 | - | 4.39 | 30,510 |
| The John Adams Presidency | 0 | - | 4.12 | 8,680 |
| Franklin... or Theodore Roosevelt | 0 | - | 4.35 | 16,871 |
| The Theodore Roosevelt Presidency | 0 | - | 4.39 | 7,685 |
| U.S. Presidents to Win the Nobel Peace Prize | 0 | - | 4.34 | 18,221 |
| U.S. Presidential Knowledge - Multiple Choice | 0 | - | 4.36 | 21,610 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,446 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,776 |
| The American Revolution | 0 | - | 4.52 | 54,062 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,604 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,554 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,160 |
| Random European Countries on a Map | 0 | - | 4.97 | 282,027 |
| Random European Flag to Country | 0 | - | 4.89 | 180,958 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,070 |
| Arms Exports - Russia | 0 | - | 4.48 | 24,766 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,178 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,385 |
| All Countries that Once Bordered Germany | 0 | - | 4.33 | 74,603 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,077 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,679 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,508 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,418 |
| Ancient Greek Words | 0 | - | 4.92 | 110,727 |
| 101 Figures from Greek Mythology | 0 | - | 5.00 | 124,351 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,398 |
| British Monopoly Board - Map Quiz | 0 | - | 4.47 | 20,149 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,951 |
| Shakespeare Quotes | 0 | - | 4.43 | 71,133 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 491,483 |
| Lord of the Rings Decoder | 0 | - | 4.58 | 42,282 |
| Lord of the Rings Characters | 0 | - | 4.54 | 112,711 |
| Animals in British History | 0 | - | 4.44 | 25,874 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,600 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,549 |
| 2025–2026 English Premier League Teams | 0 | - | 4.86 | 851,750 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,822 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,694 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,962 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 28,885 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.49 | 11,670 |
| U.S. President Scramble | 0 | - | 4.40 | 116,223 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,031 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,701 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,702 |
| Europe Map Quiz | 0 | - | 5.00 | 4,732,377 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,458 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,752 |
| Most Forested European Countries | 0 | - | 4.80 | 74,921 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,537 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 216,184 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 315,797 |
| History of Russia Quiz | 0 | - | 4.49 | 31,797 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 93,561 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,910 |
| History of France | 0 | - | 4.59 | 56,099 |
| Germany by Picture | 0 | - | 4.39 | 29,634 |
| History of Italy | 0 | - | 4.55 | 31,824 |
| Countries of the Italian Empire | 0 | - | 4.21 | 27,554 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,777 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,522 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,489 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,989 |
| Real Madrid 2010s Starting XI | 0 | - | 4.89 | 66,208 |
| Arthurian Legend | 0 | - | 4.33 | 25,050 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,471 |
| Biggest British Empire Countries | 0 | - | 4.75 | 96,200 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,056 |
| Name the James Bond Movies | 0 | - | 4.56 | 157,601 |
| James Bond Trivia | 0 | - | 4.46 | 39,149 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 280,147 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,190 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,817 |
| Geography of the British Empire | 0 | - | 4.48 | 39,483 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 61,544 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,042 |
| 10 Plagues of Egypt | 0 | - | 4.40 | 52,794 |
| Vietnam War Countries | 0 | - | 4.83 | 93,633 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,869 |
| Communist Countries in History | 0 | - | 4.63 | 492,611 |
| Political Movements by Country | 0 | - | 4.46 | 72,269 |
| History of India | 0 | - | 4.61 | 21,290 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,183 |
| Countries of Africa | 0 | - | 5.00 | 2,508,775 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,638 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,748 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,839 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,579 |
| African East Coast | 0 | - | 4.96 | 95,082 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,969 |
| History of South Africa | 0 | - | 4.60 | 17,604 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,515 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,821 |
| Australian Capitals | 0 | - | 4.92 | 62,594 |
| Australia Map Quiz | 0 | - | 4.94 | 342,557 |
| Flags of North and South America | 0 | - | 4.99 | 367,526 |
| History of Mexico | 0 | - | 4.58 | 15,232 |
