| Prime Ministers of the UK | 0 | - | 4.95 | 437,860 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,325 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,141 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,732 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,169 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,853 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,431 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,645 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,965 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 94,843 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,005 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,239 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,917 |
| Countries of the Popes | 0 | - | 4.79 | 127,871 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,688,243 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,435 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,702 |
| Name the English Monarchs | 0 | - | 4.91 | 501,508 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,764 |
| Country by Photo of its Leader | 0 | - | 4.72 | 123,865 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,599 |
| 2025–2026 English Premier League Teams | 0 | - | 4.85 | 857,556 |
| National Founders | 0 | - | 4.40 | 83,792 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 425,878 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 381,099 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,253 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,698 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,864 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 73,673 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,537 |
| Ancient Greek Words | 0 | - | 4.93 | 111,358 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,755 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,123 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,608 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,052 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,171 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 191,352 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,154 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,807 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,052 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,241 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,888 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 76,133 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,294 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,708 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,614 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,430 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,609 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,444 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,225 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,877 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,414 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,570 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,028 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,028 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,742 |
| Scotland A-Z | 0 | - | 4.73 | 41,230 |
| Pope Facts | 0 | - | 4.39 | 31,203 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,650 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,619 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,453 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,351 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,924 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,800 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,049 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,251 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,722 |
| UK Immigration by Country | 0 | - | 4.94 | 140,678 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,469 |
| British Monopoly Board - Map Quiz | 0 | - | 4.47 | 20,195 |
| Countries "Ruled" by King Charles III | 0 | - | 4.77 | 82,710 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,017 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 131,078 |
| Political Movements by Country | 0 | - | 4.46 | 72,466 |
| Hindu Countries | 0 | - | 4.86 | 50,009 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,087 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,433 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,063 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,502 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,753 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,519 |
| Every European Country Shape | 0 | - | 4.96 | 201,309 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,735 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,444 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,396 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,905 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,789 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,165 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,471 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,487 |
| Germany A-Z | 0 | - | 4.56 | 62,544 |
| The Trojan War | 0 | - | 4.83 | 39,651 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,138 |
| Name that Greek Letter | 0 | - | 4.93 | 323,096 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,543 |
| Mythology A-Z | 0 | - | 4.31 | 37,168 |
| Italy A-Z | 0 | - | 4.49 | 58,159 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,420 |
| Roman Emperors | 0 | - | 4.95 | 119,658 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 102,535 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,914 |
| Monty Python Quotes | 0 | - | 4.88 | 42,437 |
| Middle Earth Geography | 0 | - | 4.56 | 39,758 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 81,352 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 45,773 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,183 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,744 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,579 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 61,968 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,221 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,843 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,246 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,528 |
| U.S. Presidents by Event | 0 | - | 4.58 | 34,257 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,596 |
| Presidential Middle Names | 0 | - | 4.41 | 60,106 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,185 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,440 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,938 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,356 |
| The American Revolution | 0 | - | 4.52 | 54,214 |
| Random European Flag to Country | 0 | - | 4.89 | 181,973 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,905 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,334 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,766 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,390 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,548 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,631 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,011 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,104 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,674 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,461 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,594 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,270 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,619 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,918 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,070 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,340 |
| U.S. Vice Presidents | 0 | - | 4.39 | 136,054 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,241 |
| First Ladies of the United States | 0 | - | 4.28 | 85,535 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,201 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 76,929 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 304,628 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,159 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,862 |
| Add a Letter - Make a U.S. President | 0 | - | 4.57 | 23,934 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,343 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,849 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,795 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,638 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,647 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,764 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,919 |
| Random European Countries on a Map | 0 | - | 4.97 | 283,091 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 317,545 |
| History of Russia Quiz | 0 | - | 4.49 | 31,880 |
| Arms Exports - Russia | 0 | - | 4.48 | 25,121 |
| Countries that Beat Ireland | 0 | - | 4.40 | 34,245 |
| History of Italy | 0 | - | 4.55 | 31,936 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,572 |
| Roman History by Picture | 0 | - | 4.46 | 26,438 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,323 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,613 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,167 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,794 |
| UK Rivers Map Quiz | 0 | - | 4.54 | 30,410 |
| British Places A-Z | 0 | - | 4.29 | 79,816 |
| Shakespeare's Plays Quiz | 0 | - | 4.37 | 387,517 |
| Lord of the Rings - Races | 0 | - | 4.25 | 58,727 |
| The Ultimate LOTR Character Quiz - The Books | 0 | - | 4.61 | 20,688 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 37,697 |
| English Royal Consorts | 0 | - | 4.37 | 37,322 |
| Animals in British History | 0 | - | 4.44 | 25,977 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,809 |
| Doctor Who Actors | 0 | - | 4.61 | 17,906 |
| The Vietnam War | 0 | - | 4.44 | 35,482 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,172 |
| Communist Countries in History | 0 | - | 4.63 | 494,933 |
| History of India | 0 | - | 4.61 | 21,396 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,390 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,732 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,884 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,801 |
| History of South Africa | 0 | - | 4.60 | 17,661 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,629 |
| Australian Capitals | 0 | - | 4.92 | 62,695 |
| History of Mexico | 0 | - | 4.58 | 15,291 |
| United States Map Quiz | 0 | - | 4.98 | 4,154,036 |
| American Political Words | 0 | - | 4.39 | 23,396 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.14 | 26,136 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.10 | 15,504 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.20 | 10,853 |
| U.S. Presidential Quotes | 0 | - | 4.37 | 44,470 |
| The George W. Bush Presidency | 0 | - | 4.06 | 32,168 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,927 |
| People in Pictures with Ronald Reagan | 0 | - | 4.35 | 40,630 |
| U.S. President Scramble | 0 | - | 4.40 | 116,635 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,147 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,846 |
