| Prime Ministers of the UK | 0 | - | 4.95 | 437,829 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,321 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,139 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,731 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,160 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,850 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,431 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,636 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,953 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 94,841 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,002 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,236 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,911 |
| Countries of the Popes | 0 | - | 4.79 | 127,867 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,688,144 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,428 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,692 |
| Name the English Monarchs | 0 | - | 4.91 | 501,488 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,764 |
| Country by Photo of its Leader | 0 | - | 4.72 | 123,859 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,580 |
| 2025–2026 English Premier League Teams | 0 | - | 4.85 | 857,519 |
| National Founders | 0 | - | 4.40 | 83,792 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 425,870 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 381,091 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,247 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,695 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,862 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 73,663 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,536 |
| Ancient Greek Words | 0 | - | 4.93 | 111,354 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,754 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,120 |
| 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 | 239,170 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 191,344 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,153 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,801 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,050 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,240 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,888 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 76,125 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,285 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,704 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,612 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,429 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,608 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,443 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,225 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,874 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,412 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,564 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,023 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,021 |
| 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 | 31,201 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,649 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,611 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,449 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,345 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,924 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,798 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,048 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,250 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,718 |
| UK Immigration by Country | 0 | - | 4.94 | 140,675 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,462 |
| British Monopoly Board - Map Quiz | 0 | - | 4.47 | 20,191 |
| Countries "Ruled" by King Charles III | 0 | - | 4.77 | 82,710 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,011 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 130,813 |
| Political Movements by Country | 0 | - | 4.46 | 72,466 |
| Hindu Countries | 0 | - | 4.86 | 50,006 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,081 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,428 |
| 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 | 190,512 |
| Every European Country Shape | 0 | - | 4.96 | 201,298 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,728 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,443 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,391 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,897 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,782 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,164 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,471 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,481 |
| Germany A-Z | 0 | - | 4.56 | 62,544 |
| The Trojan War | 0 | - | 4.83 | 39,650 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,124 |
| Name that Greek Letter | 0 | - | 4.93 | 323,091 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,537 |
| Mythology A-Z | 0 | - | 4.31 | 37,168 |
| Italy A-Z | 0 | - | 4.49 | 58,156 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,419 |
| Roman Emperors | 0 | - | 4.95 | 119,655 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 102,531 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,905 |
| Monty Python Quotes | 0 | - | 4.88 | 42,437 |
| Middle Earth Geography | 0 | - | 4.56 | 39,757 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 81,349 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 45,772 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,180 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,742 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,574 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 61,967 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,219 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,842 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,243 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,528 |
| U.S. Presidents by Event | 0 | - | 4.58 | 34,256 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,593 |
| Presidential Middle Names | 0 | - | 4.41 | 60,105 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,185 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,437 |
| 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 | 54,212 |
| Random European Flag to Country | 0 | - | 4.89 | 181,961 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,904 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,320 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,766 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,387 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,533 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,620 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,011 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,103 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,666 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,456 |
| 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 | 52,267 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,614 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,917 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,068 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,338 |
| U.S. Vice Presidents | 0 | - | 4.39 | 136,053 |
| 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 | 76,928 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 304,623 |
| 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 | 220,331 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,845 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,795 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,636 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,520 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,704 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,917 |
| Random European Countries on a Map | 0 | - | 4.97 | 283,083 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 317,537 |
| 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 | 26,437 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,313 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,613 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,166 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,794 |
| UK Rivers Map Quiz | 0 | - | 4.54 | 30,402 |
| British Places A-Z | 0 | - | 4.29 | 79,816 |
| Shakespeare's Plays Quiz | 0 | - | 4.37 | 387,512 |
| Lord of the Rings - Races | 0 | - | 4.25 | 58,726 |
| The Ultimate LOTR Character Quiz - The Books | 0 | - | 4.61 | 20,688 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 37,696 |
| English Royal Consorts | 0 | - | 4.37 | 37,322 |
| Animals in British History | 0 | - | 4.44 | 25,976 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,808 |
| Doctor Who Actors | 0 | - | 4.61 | 17,904 |
| The Vietnam War | 0 | - | 4.44 | 35,481 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,170 |
| Communist Countries in History | 0 | - | 4.63 | 494,923 |
| History of India | 0 | - | 4.61 | 21,396 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,388 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,666 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,881 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,800 |
| History of South Africa | 0 | - | 4.60 | 17,661 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,604 |
| Australian Capitals | 0 | - | 4.92 | 62,695 |
| History of Mexico | 0 | - | 4.58 | 15,291 |
| United States Map Quiz | 0 | - | 4.98 | 4,153,970 |
| 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 | 32,167 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,927 |
| People in Pictures with Ronald Reagan | 0 | - | 4.35 | 40,629 |
| U.S. President Scramble | 0 | - | 4.40 | 116,634 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,146 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,845 |
