| Prime Ministers of the UK | 0 | - | 4.96 | 434,819 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 143,237 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,683 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,656,350 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,808 |
| 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 | 94,458 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,191 |
| Countries of the Popes | 0 | - | 4.79 | 127,256 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.91 | 37,144 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,030 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,745 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,352 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,061 |
| Countries of the German Empire | 0 | - | 4.51 | 37,672 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,513 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,538 |
| Shakespeare's Plays Quiz | 0 | - | 4.38 | 385,851 |
| Country by Photo of its Leader | 0 | - | 4.74 | 123,290 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,896 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,650 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,510 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,313 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,639 |
| U.S. Vice Presidents | 0 | - | 4.41 | 134,986 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 107,991 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,547 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,032 |
| Presidential Middle Names | 0 | - | 4.41 | 59,724 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,762 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 93,849 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,757 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,181 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,929 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,698 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,542 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,794 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,405 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,881 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,257 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,300 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,650 |
| Pope Facts | 0 | - | 4.39 | 31,052 |
| 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 | 105,944 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,884 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,379 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,541 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,169 |
| First Ladies of the United States | 0 | - | 4.28 | 85,254 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,116 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 76,338 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,007 |
| Add a Letter - Make a U.S. President | 0 | - | 4.61 | 23,841 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,693 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,303 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,001 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,461 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,467 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,154 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,051 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,192 |
| Roman to Greek God | 0 | - | 4.52 | 122,241 |
| Byzantine History | 0 | - | 4.91 | 28,629 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,963 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,253 |
| UK Immigration by Country | 0 | - | 4.94 | 139,703 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,244 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,151 |
| Name the English Monarchs | 0 | - | 4.92 | 498,122 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.40 | 51,490 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,313 |
| 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 | 189,319 |
| Every European Country Shape | 0 | - | 4.96 | 200,249 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,771 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,186 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,128 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,994 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,539 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,713 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,365 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,541 |
| The Trojan War | 0 | - | 4.83 | 39,447 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,122 |
| Name that Greek Letter | 0 | - | 4.94 | 321,751 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,601 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,178 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,068 |
| Roman Emperors | 0 | - | 4.95 | 118,532 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,316 |
| Monty Python Quotes | 0 | - | 4.88 | 42,328 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,364 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,332 |
| National Founders | 0 | - | 4.40 | 83,659 |
| U.S. Presidential Running Mates | 0 | - | 4.40 | 28,463 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 303,427 |
| 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 | 16,873 |
| 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 | 21,611 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,449 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,777 |
| The American Revolution | 0 | - | 4.52 | 54,063 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,623 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,571 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,162 |
| Random European Countries on a Map | 0 | - | 4.97 | 282,044 |
| Random European Flag to Country | 0 | - | 4.89 | 180,967 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,078 |
| Arms Exports - Russia | 0 | - | 4.48 | 24,766 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,186 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,389 |
| All Countries that Once Bordered Germany | 0 | - | 4.33 | 74,606 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,084 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,679 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,511 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,458 |
| Ancient Greek Words | 0 | - | 4.92 | 110,729 |
| 101 Figures from Greek Mythology | 0 | - | 5.00 | 124,364 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,402 |
| British Monopoly Board - Map Quiz | 0 | - | 4.47 | 20,149 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,955 |
| Shakespeare Quotes | 0 | - | 4.43 | 71,135 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 491,491 |
| Lord of the Rings Decoder | 0 | - | 4.58 | 42,282 |
| Lord of the Rings Characters | 0 | - | 4.54 | 112,714 |
| Animals in British History | 0 | - | 4.44 | 25,876 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,600 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,551 |
| 2025–2026 English Premier League Teams | 0 | - | 4.86 | 851,795 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,822 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,695 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,967 |
| 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 | 116,225 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,033 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,704 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,704 |
| Europe Map Quiz | 0 | - | 5.00 | 4,732,544 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,475 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,752 |
| Most Forested European Countries | 0 | - | 4.80 | 74,924 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,538 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 216,191 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 315,815 |
| History of Russia Quiz | 0 | - | 4.49 | 31,798 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 93,566 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,912 |
| History of France | 0 | - | 4.59 | 56,105 |
| Germany by Picture | 0 | - | 4.39 | 29,635 |
| History of Italy | 0 | - | 4.55 | 31,826 |
| Countries of the Italian Empire | 0 | - | 4.21 | 27,555 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,785 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,527 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,491 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,989 |
| Real Madrid 2010s Starting XI | 0 | - | 4.89 | 66,214 |
| Arthurian Legend | 0 | - | 4.33 | 25,050 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,492 |
| Biggest British Empire Countries | 0 | - | 4.75 | 96,433 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,058 |
| Name the James Bond Movies | 0 | - | 4.56 | 157,614 |
| James Bond Trivia | 0 | - | 4.46 | 39,150 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 280,159 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,193 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,825 |
| Geography of the British Empire | 0 | - | 4.48 | 39,486 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 61,552 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,045 |
| 10 Plagues of Egypt | 0 | - | 4.40 | 52,857 |
| Vietnam War Countries | 0 | - | 4.83 | 93,640 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,870 |
| Communist Countries in History | 0 | - | 4.63 | 492,625 |
| Political Movements by Country | 0 | - | 4.46 | 72,270 |
| History of India | 0 | - | 4.61 | 21,291 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,183 |
| Countries of Africa | 0 | - | 5.00 | 2,508,939 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,677 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,845 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,842 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,601 |
| African East Coast | 0 | - | 4.96 | 95,082 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,975 |
| History of South Africa | 0 | - | 4.60 | 17,606 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,560 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,824 |
| Australian Capitals | 0 | - | 4.92 | 62,594 |
| Australia Map Quiz | 0 | - | 4.94 | 342,565 |
| Flags of North and South America | 0 | - | 4.99 | 367,576 |
| History of Mexico | 0 | - | 4.58 | 15,233 |
