| Prime Ministers of the UK | 0 | - | 4.95 | 439,941 |
| Vatican City Country Quiz | 0 | - | 4.53 | 44,453 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,987 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 382,261 |
| Name the Popes Quiz | 0 | - | 4.47 | 138,412 |
| Countries of the Popes | 0 | - | 4.79 | 128,313 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,707,152 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,448 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,949 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,178 |
| Most-Visited Countries by Popes | 0 | - | 4.56 | 83,850 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,997 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,627 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,488 |
| Shakespeare's Plays Quiz | 0 | - | 4.37 | 388,655 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 192,540 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,861 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,881 |
| Pope Facts | 0 | - | 4.39 | 31,288 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,719 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 217,477 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,592 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,700 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 83,234 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,050 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,291 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,113 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,173 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 144,926 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,654 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,252 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,078 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,107 |
| Shakespeare Quotes | 0 | - | 4.43 | 71,454 |
| The Dictator Files: Saddam Hussein | 0 | - | 4.48 | 15,873 |
| Country by Photo of its Leader | 0 | - | 4.72 | 124,248 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,064 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,932 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,215 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,046 |
| Every European Country Shape | 0 | - | 4.96 | 202,150 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,977 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,765 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,936 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,547 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,703 |
| Name that Greek Letter | 0 | - | 4.93 | 324,121 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,279 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,235 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 42,042 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,480 |
| UK Immigration by Country | 0 | - | 4.94 | 141,134 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,128 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,347 |
| Name the English Monarchs | 0 | - | 4.91 | 503,794 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,089 |
| National Founders | 0 | - | 4.40 | 83,873 |
| U.S. Presidential Quotes | 0 | - | 4.37 | 44,534 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,911 |
| U.S. Presidents by Event | 0 | - | 4.58 | 34,694 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,973 |
| Presidential Middle Names | 0 | - | 4.41 | 60,393 |
| The George W. Bush Presidency | 0 | - | 4.06 | 32,210 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,441 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 305,328 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,660 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 35,044 |
| People in Pictures with Ronald Reagan | 0 | - | 4.35 | 40,744 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,477 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 70,197 |
| Random U.S. Presidents by Picture | 0 | - | 4.40 | 66,338 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,345 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,566 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,735 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,470 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 319,252 |
| Random European Flag to Country | 0 | - | 4.89 | 182,914 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,620 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,053 |
| Flags of Countries That Border France | 0 | - | 4.88 | 123,359 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,468 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,655 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,758 |
| The Trojan War | 0 | - | 4.83 | 39,793 |
| Ancient Greek Words | 0 | - | 4.93 | 111,878 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,203 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,462 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,640 |
| Roman Emperors | 0 | - | 4.95 | 120,365 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,994 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,840 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,518 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,084 |
| Monty Python Quotes | 0 | - | 4.89 | 42,500 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,658 |
| Animals in British History | 0 | - | 4.43 | 26,038 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,885 |
| 2025–2026 English Premier League Teams | 0 | - | 4.85 | 861,679 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,978 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,700 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,537 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 127,933 |
| The Dictator Files: Fidel Castro | 0 | - | 4.19 | 12,348 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,104 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,830 |
| U.S. Vice Presidents | 0 | - | 4.39 | 136,450 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,278 |
| First Ladies of the United States | 0 | - | 4.28 | 85,727 |
| The Bill Clinton Presidency | 0 | - | 4.24 | 31,478 |
| The George H. W. Bush Presidency | 0 | - | 4.36 | 21,512 |
| The Ronald Reagan Presidency | 0 | - | 4.26 | 24,842 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,977 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,243 |
| U.S. Presidents in Order by First Letter | 0 | - | 4.32 | 77,229 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,234 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,847 |
| Add a Letter - Make a U.S. President | 0 | - | 4.57 | 23,997 |
| The Barack Obama Presidency | 0 | - | 4.13 | 25,422 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,854 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,045 |
| Random European Countries on a Map | 0 | - | 4.97 | 284,237 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,680 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,822 |
| History of Russia Quiz | 0 | - | 4.47 | 31,946 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,785 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 94,144 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 80,844 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.98 | 74,560 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,683 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,837 |
| Roman to Greek God | 0 | - | 4.52 | 122,999 |
| History of Italy | 0 | - | 4.55 | 32,048 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,186 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,266 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,716 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,292 |
| Real Madrid 2010s Starting XI | 0 | - | 4.90 | 68,020 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,948 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.93 | 395,020 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 37,959 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 62,240 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.42 | 51,807 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 119,213 |
| Communist Countries in History | 0 | - | 4.63 | 496,428 |
| History of India | 0 | - | 4.62 | 21,450 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,516 |
| Countries of Africa | 0 | - | 5.00 | 2,543,921 |
| Africa Map Quiz | 0 | - | 5.00 | 2,121,334 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,558 |
| History of South Africa | 0 | - | 4.60 | 17,714 |
| Oceania Map Quiz | 0 | - | 4.98 | 644,195 |
| Australian Capitals | 0 | - | 4.92 | 62,748 |
| Australia Map Quiz | 0 | - | 4.95 | 345,022 |
| History of Mexico | 0 | - | 4.58 | 15,333 |
| United States Map Quiz | 0 | - | 4.98 | 4,163,163 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,030 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,554 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 55,456 |
| U.S. Presidential Running Mates | 0 | - | 4.40 | 28,672 |
| The George Washington Presidency | 0 | - | 4.03 | 14,561 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,747 |
| Random U.S. Vice President to President | 0 | - | 4.39 | 30,668 |
| U.S. President Scramble | 0 | - | 4.40 | 116,908 |
| The John Adams Presidency | 0 | - | 4.12 | 8,760 |
| Franklin... or Theodore Roosevelt | 0 | - | 4.35 | 16,947 |
| The Theodore Roosevelt Presidency | 0 | - | 4.39 | 7,747 |
| U.S. Presidents to Win the Nobel Peace Prize | 0 | - | 4.34 | 18,333 |
| U.S. Presidential Knowledge - Multiple Choice | 0 | - | 4.36 | 21,704 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,869 |
| U.S. Presidential Last Names as Baby Names | 0 | - | 4.19 | 33,638 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,943 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,181 |
| The American Civil War | 0 | - | 4.62 | 52,491 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 234,670 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,306 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,975 |
| Official European Union Languages | 0 | - | 4.97 | 238,880 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,104 |
| Europe Map Quiz | 0 | - | 5.00 | 4,769,916 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,474 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,934 |
| Most Forested European Countries | 0 | - | 4.80 | 75,436 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,658 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,471 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,547 |
| History of Austria | 0 | - | 4.70 | 17,900 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,224 |
| Geography of the French Empire | 0 | - | 4.45 | 27,152 |
| The French Revolution | 0 | - | 4.47 | 24,055 |
| History of France | 0 | - | 4.59 | 57,251 |
| French History Multiple Choice | 0 | - | 4.55 | 33,116 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,067 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,945 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,500 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,866 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,705 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,869 |
| Ireland Country Quiz | 0 | - | 4.69 | 134,665 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,404 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,785 |
