| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 143,065 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,304 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,255 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,650,399 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,699 |
| Countries of the German Empire | 0 | - | 4.51 | 37,634 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,014 |
| Countries of the Popes | 0 | - | 4.79 | 127,114 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,677 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,275 |
| Countries of the Italian Empire | 0 | - | 4.21 | 27,530 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,764 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,162 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,657 |
| Canadian Prime Ministers | 0 | - | 4.63 | 56,992 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,383 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,622 |
| Shakespeare's Plays Quiz | 0 | - | 4.38 | 385,530 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,420 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,808 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,412 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,325 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.91 | 37,071 |
| U.S. Vice Presidents | 0 | - | 4.41 | 134,806 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 107,879 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,393 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 92,938 |
| Presidential Middle Names | 0 | - | 4.41 | 59,655 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,687 |
| Assassinated U.S. Presidents | 0 | - | 4.61 | 93,767 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,717 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,149 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,631 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,642 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,224 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,269 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,631 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 280,008 |
| Pope Facts | 0 | - | 4.39 | 31,021 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,832 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,756 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,228 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,496 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,158 |
| First Ladies of the United States | 0 | - | 4.28 | 85,213 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,102 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 76,209 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 303,256 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 15,991 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,343 |
| Add a Letter - Make a U.S. President | 0 | - | 4.61 | 23,821 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,675 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,142 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,831 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,334 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,290 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,025 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 55,947 |
| Roman to Greek God | 0 | - | 4.52 | 122,149 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,010 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,700 |
| UK Cities Map Quiz | 0 | - | 4.95 | 461,991 |
| UK Immigration by Country | 0 | - | 4.94 | 139,521 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,031 |
| Counties of England Map Quiz | 0 | - | 4.97 | 305,999 |
| Name the English Monarchs | 0 | - | 4.92 | 497,570 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.40 | 51,455 |
| Vietnam War Countries | 0 | - | 4.83 | 93,557 |
| Country by Photo of its Leader | 0 | - | 4.74 | 123,187 |
| U.S. President Scramble | 0 | - | 4.40 | 116,154 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,678 |
| American Revolution Decoder | 0 | - | 4.10 | 20,872 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,164 |
| Every European Country Shape | 0 | - | 4.96 | 199,949 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,602 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,080 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,063 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,832 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,404 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,452 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,496 |
| The Trojan War | 0 | - | 4.83 | 39,403 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,438 |
| Name that Greek Letter | 0 | - | 4.94 | 321,487 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,420 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,139 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,004 |
| Roman Emperors | 0 | - | 4.95 | 118,354 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,434 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,190 |
| Monty Python Quotes | 0 | - | 4.88 | 42,310 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,118 |
| Paramount Leaders of China | 0 | - | 4.36 | 10,992 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,567 |
| National Founders | 0 | - | 4.40 | 83,629 |
| U.S. Presidential Running Mates | 0 | - | 4.40 | 28,455 |
| The George Washington Presidency | 0 | - | 4.03 | 14,469 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,653 |
| Random U.S. Vice President to President | 0 | - | 4.39 | 30,454 |
| The John Adams Presidency | 0 | - | 4.12 | 8,673 |
| Franklin... or Theodore Roosevelt | 0 | - | 4.35 | 16,863 |
| The Theodore Roosevelt Presidency | 0 | - | 4.39 | 7,678 |
| U.S. Presidents to Win the Nobel Peace Prize | 0 | - | 4.34 | 18,198 |
| U.S. Presidential Knowledge - Multiple Choice | 0 | - | 4.36 | 21,603 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,766 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,111 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,395 |
| Random European Countries on a Map | 0 | - | 4.97 | 281,772 |
| Random European Flag to Country | 0 | - | 4.89 | 180,798 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 87,966 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,085 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,316 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,718 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,374 |
| Olympian Gods Quiz | 0 | - | 4.96 | 495,295 |
| Ancient Greek Words | 0 | - | 4.92 | 110,605 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,139 |
| Italy by Picture | 0 | - | 4.41 | 30,718 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 94,196 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,576 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,487 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,449 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,821 |
| Shakespeare Quotes | 0 | - | 4.43 | 71,106 |
| Harry Potter A-Z | 0 | - | 4.42 | 217,969 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 491,246 |
| Animals in British History | 0 | - | 4.44 | 25,863 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,526 |
| 2025–2026 English Premier League Teams | 0 | - | 4.86 | 850,672 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 47,053 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,904 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 28,874 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.49 | 11,666 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,008 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,717 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,134 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,724 |
| Most Forested European Countries | 0 | - | 4.80 | 74,878 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,525 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 216,058 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 315,529 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,608 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,257 |
| History of Russia Quiz | 0 | - | 4.49 | 31,781 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 83,960 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,747 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 93,500 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,196 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,856 |
| History of France | 0 | - | 4.59 | 55,936 |
| History of Italy | 0 | - | 4.55 | 31,805 |
| Byzantine History | 0 | - | 4.91 | 28,596 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,470 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,966 |
| Real Madrid 2010s Starting XI | 0 | - | 4.89 | 66,045 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,367 |
| Biggest British Empire Countries | 0 | - | 4.73 | 87,251 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,017 |
| Name the James Bond Movies | 0 | - | 4.56 | 157,371 |
| James Bond Trivia | 0 | - | 4.46 | 39,132 |
| Word Scramble - Harry Potter Characters | 0 | - | 4.19 | 60,429 |
| Harry Potter Characters by Screen Time | 0 | - | 4.29 | 146,923 |
| 100 Most Common Words in Beatles Songs | 0 | - | 4.57 | 25,091 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,158 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,723 |
| Geography of the British Empire | 0 | - | 4.48 | 39,465 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 61,485 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,809 |
| Communist Countries in History | 0 | - | 4.63 | 492,228 |
| Political Movements by Country | 0 | - | 4.46 | 72,238 |
| History of India | 0 | - | 4.61 | 21,271 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,143 |
| Countries of Africa | 0 | - | 5.00 | 2,505,649 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,633 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,229 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,756 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,389 |
| African East Coast | 0 | - | 4.96 | 94,968 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,841 |
| History of South Africa | 0 | - | 4.60 | 17,596 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,761 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,741 |
| Australian Capitals | 0 | - | 4.92 | 62,586 |
| Australia Map Quiz | 0 | - | 4.94 | 342,321 |
| Flags of North and South America | 0 | - | 4.99 | 366,226 |
| History of Mexico | 0 | - | 4.58 | 15,223 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,628 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,844 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,317 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,719 |
| U.S. States by Governor | 0 | - | 4.43 | 17,977 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,366 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,564 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,063 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 80,834 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,537 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 54,906 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 617,816 |
| U.S. Presidential Quotes | 0 | - | 4.37 | 44,352 |
| The George W. Bush Presidency | 0 | - | 4.06 | 32,080 |
