| Prime Ministers of the UK | 0 | - | 4.95 | 438,416 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,907 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,468 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,223 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 94,916 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,785 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,435 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,693,211 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,612 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,771 |
| Country by Photo of its Leader | 0 | - | 4.72 | 123,978 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,288 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,411 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,763 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,267 |
| Name the Popes Quiz | 0 | - | 4.47 | 138,038 |
| Countries of the Popes | 0 | - | 4.79 | 128,012 |
| National Founders | 0 | - | 4.40 | 83,815 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,203 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,368 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,493 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,752 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,062 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 381,327 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,980 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,935 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,069 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,261 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,669 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,312 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 191,582 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,217 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,221 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,408 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,069 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 80,366 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,503 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,862 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,756 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,506 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,676 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,465 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,430 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,361 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,779 |
| Political Movements by Country | 0 | - | 4.46 | 72,503 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,748 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,537 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,216 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,502 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,953 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,067 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,839 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,776 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,666 |
| Every European Country Shape | 0 | - | 4.96 | 201,470 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,483 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,453 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,933 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,111 |
| Arms Exports - Russia | 0 | - | 4.48 | 25,130 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,563 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,292 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,871 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,200 |
| UK Immigration by Country | 0 | - | 4.94 | 140,789 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,639 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,022 |
| Name the English Monarchs | 0 | - | 4.91 | 502,102 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,136 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 133,681 |
| Hindu Countries | 0 | - | 4.86 | 50,080 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,515 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,518 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,886 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,045 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,834 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 93,972 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,641 |
| The Trojan War | 0 | - | 4.83 | 39,683 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,786 |
| Name that Greek Letter | 0 | - | 4.93 | 323,282 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,702 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,480 |
| Roman Emperors | 0 | - | 4.95 | 119,829 |
| Monty Python Quotes | 0 | - | 4.88 | 42,450 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,287 |
| Pope Facts | 0 | - | 4.39 | 31,223 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,948 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,397 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,281 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,616 |
| U.S. Presidents by Event | 0 | - | 4.58 | 34,369 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,700 |
| Presidential Middle Names | 0 | - | 4.41 | 60,175 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,262 |
| Assassinated U.S. Presidents | 0 | - | 4.62 | 94,535 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,964 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,393 |
| The American Revolution | 0 | - | 4.52 | 54,230 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,198 |
| Random European Flag to Country | 0 | - | 4.89 | 182,203 |
| History of Russia Quiz | 0 | - | 4.47 | 31,904 |
| Flags of Countries That Border France | 0 | - | 4.88 | 122,803 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,934 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,939 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,345 |
| Ancient Greek Words | 0 | - | 4.93 | 111,477 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,765 |
| History of Italy | 0 | - | 4.55 | 31,959 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,807 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,641 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,200 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,197 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,831 |
| Animals in British History | 0 | - | 4.44 | 25,993 |
| 2025–2026 English Premier League Teams | 0 | - | 4.85 | 858,610 |
| Scotland A-Z | 0 | - | 4.73 | 41,260 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,685 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,933 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,129 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,039 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 304,797 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,944 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,592 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,034 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,708 |
| Europe Map Quiz | 0 | - | 5.00 | 4,759,201 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,952 |
| Random European Countries on a Map | 0 | - | 4.97 | 283,275 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 317,831 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,755 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 73,898 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,584 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,725 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,735 |
| British Monopoly Board - Map Quiz | 0 | - | 4.47 | 20,208 |
| Shakespeare's Plays Quiz | 0 | - | 4.37 | 387,802 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,640 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 37,777 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,246 |
| Countries "Ruled" by King Charles III | 0 | - | 4.77 | 82,724 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,874 |
| The Vietnam War | 0 | - | 4.44 | 35,504 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,210 |
| Communist Countries in History | 0 | - | 4.63 | 495,291 |
| History of India | 0 | - | 4.62 | 21,410 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,420 |
| Africa Map Quiz | 0 | - | 5.00 | 2,116,407 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,861 |
| History of South Africa | 0 | - | 4.60 | 17,677 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,511 |
| Australian Capitals | 0 | - | 4.92 | 62,714 |
| History of Mexico | 0 | - | 4.58 | 15,301 |
| United States Map Quiz | 0 | - | 4.98 | 4,155,885 |
| American Political Words | 0 | - | 4.39 | 23,408 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.14 | 26,144 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.10 | 15,511 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.20 | 10,856 |
| U.S. Vice Presidents | 0 | - | 4.39 | 136,171 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,248 |
| First Ladies of the United States | 0 | - | 4.28 | 85,598 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,946 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,216 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 77,016 |
| U.S. President Scramble | 0 | - | 4.40 | 116,714 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,179 |
| Add a Letter - Make a U.S. President | 0 | - | 4.57 | 23,948 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,171 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,864 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,814 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,065 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,600 |
| Official European Union Languages | 0 | - | 4.97 | 238,332 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,739 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,881 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,327 |
| Most Forested European Countries | 0 | - | 4.80 | 75,283 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,620 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,413 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 217,070 |
| Russia by Picture | 0 | - | 4.40 | 20,379 |
| History of Austria | 0 | - | 4.70 | 17,851 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,131 |
| Geography of the French Empire | 0 | - | 4.45 | 27,044 |
| The French Revolution | 0 | - | 4.46 | 23,922 |
| History of France | 0 | - | 4.59 | 56,921 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,266 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 144,476 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,966 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,899 |
| Mythology A-Z | 0 | - | 4.31 | 37,196 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,707 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,093 |
| Byzantine History | 0 | - | 4.91 | 28,795 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 102,747 |
| History of The Netherlands | 0 | - | 4.46 | 17,426 |
| The Vikings! | 0 | - | 4.46 | 28,335 |
| The Portuguese Empire | 0 | - | 4.58 | 12,057 |
| Arthurian Legend | 0 | - | 4.33 | 25,105 |
