| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 143,040 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,222 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,208 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,649,890 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,690 |
| Countries of the German Empire | 0 | - | 4.51 | 37,626 |
| Name the Popes Quiz | 0 | - | 4.47 | 136,982 |
| Countries of the Popes | 0 | - | 4.79 | 127,101 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,656 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,273 |
| Countries of the Italian Empire | 0 | - | 4.21 | 27,528 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,731 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,147 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,645 |
| Canadian Prime Ministers | 0 | - | 4.63 | 56,982 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,370 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,618 |
| Shakespeare's Plays Quiz | 0 | - | 4.38 | 385,505 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,383 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,808 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,395 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,318 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.91 | 37,067 |
| U.S. Vice Presidents | 0 | - | 4.41 | 134,771 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 107,870 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,382 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 92,929 |
| Presidential Middle Names | 0 | - | 4.41 | 59,647 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,681 |
| Assassinated U.S. Presidents | 0 | - | 4.61 | 93,761 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,712 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,148 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,622 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,636 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,205 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,265 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,616 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 279,989 |
| Pope Facts | 0 | - | 4.39 | 31,019 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,824 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,739 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,209 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,491 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,156 |
| First Ladies of the United States | 0 | - | 4.28 | 85,207 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,101 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 76,198 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 303,224 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 15,989 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,332 |
| Add a Letter - Make a U.S. President | 0 | - | 4.61 | 23,819 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,673 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,128 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,812 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,316 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,273 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,011 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 55,930 |
| Roman to Greek God | 0 | - | 4.52 | 122,139 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,001 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,691 |
| UK Cities Map Quiz | 0 | - | 4.95 | 461,966 |
| UK Immigration by Country | 0 | - | 4.94 | 139,512 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,004 |
| Counties of England Map Quiz | 0 | - | 4.97 | 305,984 |
| Name the English Monarchs | 0 | - | 4.92 | 497,507 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.40 | 51,448 |
| Vietnam War Countries | 0 | - | 4.83 | 93,545 |
| Country by Photo of its Leader | 0 | - | 4.74 | 123,170 |
| U.S. President Scramble | 0 | - | 4.40 | 116,147 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,676 |
| American Revolution Decoder | 0 | - | 4.10 | 20,872 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,153 |
| Every European Country Shape | 0 | - | 4.95 | 199,887 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,580 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,065 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,057 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,817 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,387 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,436 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,491 |
| The Trojan War | 0 | - | 4.83 | 39,400 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,351 |
| Name that Greek Letter | 0 | - | 4.94 | 321,470 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,395 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,133 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 83,989 |
| Roman Emperors | 0 | - | 4.95 | 118,340 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,428 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,175 |
| Monty Python Quotes | 0 | - | 4.88 | 42,307 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,112 |
| Paramount Leaders of China | 0 | - | 4.36 | 10,989 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,563 |
| National Founders | 0 | - | 4.40 | 83,625 |
| U.S. Presidential Running Mates | 0 | - | 4.40 | 28,451 |
| 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 | 30,448 |
| The John Adams Presidency | 0 | - | 4.12 | 8,673 |
| Franklin... or Theodore Roosevelt | 0 | - | 4.35 | 16,862 |
| The Theodore Roosevelt Presidency | 0 | - | 4.39 | 7,678 |
| U.S. Presidents to Win the Nobel Peace Prize | 0 | - | 4.34 | 18,197 |
| U.S. Presidential Knowledge - Multiple Choice | 0 | - | 4.36 | 21,602 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,765 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,104 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,385 |
| Random European Countries on a Map | 0 | - | 4.97 | 281,726 |
| Random European Flag to Country | 0 | - | 4.89 | 180,772 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 87,950 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,074 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,305 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,704 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,359 |
| Olympian Gods Quiz | 0 | - | 4.96 | 495,132 |
| Ancient Greek Words | 0 | - | 4.92 | 110,582 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,117 |
| Italy by Picture | 0 | - | 4.41 | 30,714 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 94,178 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,559 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,483 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,435 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,812 |
| Shakespeare Quotes | 0 | - | 4.43 | 71,103 |
| Harry Potter A-Z | 0 | - | 4.42 | 217,947 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 491,221 |
| Animals in British History | 0 | - | 4.44 | 25,863 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,522 |
| 2025–2026 English Premier League Teams | 0 | - | 4.86 | 850,522 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 45,649 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,900 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 28,870 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.49 | 11,664 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,006 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,318 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,100 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,721 |
| Most Forested European Countries | 0 | - | 4.80 | 74,869 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,523 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 216,038 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 315,500 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,593 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,238 |
| History of Russia Quiz | 0 | - | 4.49 | 31,774 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 83,950 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,715 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 93,493 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,191 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,852 |
| History of France | 0 | - | 4.59 | 55,914 |
| History of Italy | 0 | - | 4.55 | 31,801 |
| Byzantine History | 0 | - | 4.91 | 28,590 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,467 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,964 |
| Real Madrid 2010s Starting XI | 0 | - | 4.89 | 66,028 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,360 |
| Biggest British Empire Countries | 0 | - | 4.73 | 87,241 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,012 |
| Name the James Bond Movies | 0 | - | 4.56 | 157,357 |
| James Bond Trivia | 0 | - | 4.46 | 39,131 |
| Word Scramble - Harry Potter Characters | 0 | - | 4.19 | 60,426 |
| Harry Potter Characters by Screen Time | 0 | - | 4.29 | 146,909 |
| 100 Most Common Words in Beatles Songs | 0 | - | 4.57 | 25,078 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,157 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,717 |
| Geography of the British Empire | 0 | - | 4.48 | 39,464 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 61,475 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,808 |
| Communist Countries in History | 0 | - | 4.63 | 492,175 |
| Political Movements by Country | 0 | - | 4.46 | 72,235 |
| History of India | 0 | - | 4.61 | 21,268 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,141 |
| Countries of Africa | 0 | - | 5.00 | 2,505,259 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,479 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,079 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,748 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,376 |
| African East Coast | 0 | - | 4.96 | 94,952 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,835 |
| History of South Africa | 0 | - | 4.60 | 17,592 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,646 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,727 |
| Australian Capitals | 0 | - | 4.92 | 62,586 |
| Australia Map Quiz | 0 | - | 4.94 | 342,271 |
| Flags of North and South America | 0 | - | 4.99 | 366,016 |
| History of Mexico | 0 | - | 4.58 | 15,222 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,516 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,720 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,123 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,717 |
| U.S. States by Governor | 0 | - | 4.43 | 17,976 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,366 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,563 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,059 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 80,825 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,533 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 54,899 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 617,630 |
| U.S. Presidential Quotes | 0 | - | 4.37 | 44,351 |
| The George W. Bush Presidency | 0 | - | 4.06 | 32,079 |
