| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 143,072 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,322 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,269 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,650,557 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,702 |
| Countries of the German Empire | 0 | - | 4.51 | 37,636 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,022 |
| Countries of the Popes | 0 | - | 4.79 | 127,118 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,684 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,276 |
| Countries of the Italian Empire | 0 | - | 4.21 | 27,530 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,771 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,165 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,658 |
| Canadian Prime Ministers | 0 | - | 4.63 | 56,995 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,385 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,622 |
| Shakespeare's Plays Quiz | 0 | - | 4.38 | 385,540 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,426 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,809 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,418 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,329 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.91 | 37,073 |
| U.S. Vice Presidents | 0 | - | 4.41 | 134,812 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 107,881 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,397 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 92,941 |
| Presidential Middle Names | 0 | - | 4.41 | 59,658 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,689 |
| 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 | 81,632 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,642 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,230 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,269 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,633 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 280,013 |
| Pope Facts | 0 | - | 4.39 | 31,022 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,833 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,763 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,234 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,497 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,160 |
| 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 | 76,211 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 303,264 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 15,992 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,345 |
| Add a Letter - Make a U.S. President | 0 | - | 4.61 | 23,821 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,676 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,149 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,834 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,338 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,297 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,033 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 55,948 |
| Roman to Greek God | 0 | - | 4.52 | 122,151 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,010 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,703 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,003 |
| UK Immigration by Country | 0 | - | 4.94 | 139,523 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,039 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,002 |
| Name the English Monarchs | 0 | - | 4.92 | 497,592 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.40 | 51,455 |
| Vietnam War Countries | 0 | - | 4.83 | 93,558 |
| Country by Photo of its Leader | 0 | - | 4.74 | 123,192 |
| U.S. President Scramble | 0 | - | 4.40 | 116,156 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,680 |
| American Revolution Decoder | 0 | - | 4.10 | 20,872 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,167 |
| Every European Country Shape | 0 | - | 4.96 | 199,969 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,610 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,087 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,063 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,836 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,409 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,458 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,497 |
| The Trojan War | 0 | - | 4.83 | 39,404 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,456 |
| Name that Greek Letter | 0 | - | 4.94 | 321,492 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,432 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,141 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,007 |
| Roman Emperors | 0 | - | 4.95 | 118,357 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,439 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,194 |
| Monty Python Quotes | 0 | - | 4.88 | 42,311 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,121 |
| Paramount Leaders of China | 0 | - | 4.36 | 10,994 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,567 |
| National Founders | 0 | - | 4.40 | 83,631 |
| 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 | 18,199 |
| U.S. Presidential Knowledge - Multiple Choice | 0 | - | 4.36 | 21,604 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,766 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,113 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,399 |
| Random European Countries on a Map | 0 | - | 4.97 | 281,794 |
| Random European Flag to Country | 0 | - | 4.89 | 180,805 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 87,971 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,087 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,318 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,720 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,378 |
| Olympian Gods Quiz | 0 | - | 4.96 | 495,339 |
| Ancient Greek Words | 0 | - | 4.92 | 110,607 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,140 |
| Italy by Picture | 0 | - | 4.41 | 30,718 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 94,202 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,580 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,491 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,451 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,829 |
| Shakespeare Quotes | 0 | - | 4.43 | 71,106 |
| Harry Potter A-Z | 0 | - | 4.42 | 217,975 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 491,260 |
| 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 | 850,722 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 47,473 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,905 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 28,874 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.49 | 11,667 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,010 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,829 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,144 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,725 |
| 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 | 216,066 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 315,533 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,611 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,260 |
| History of Russia Quiz | 0 | - | 4.49 | 31,781 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 83,961 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,747 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 93,503 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,196 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,857 |
| History of France | 0 | - | 4.59 | 55,941 |
| History of Italy | 0 | - | 4.55 | 31,805 |
| Byzantine History | 0 | - | 4.91 | 28,597 |
| 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 | 66,051 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,368 |
| Biggest British Empire Countries | 0 | - | 4.73 | 87,254 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,018 |
| Name the James Bond Movies | 0 | - | 4.56 | 157,373 |
| James Bond Trivia | 0 | - | 4.46 | 39,132 |
| Word Scramble - Harry Potter Characters | 0 | - | 4.19 | 60,431 |
| Harry Potter Characters by Screen Time | 0 | - | 4.29 | 146,929 |
| 100 Most Common Words in Beatles Songs | 0 | - | 4.57 | 25,093 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,159 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,727 |
| Geography of the British Empire | 0 | - | 4.48 | 39,465 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 61,486 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,811 |
| Communist Countries in History | 0 | - | 4.63 | 492,243 |
| Political Movements by Country | 0 | - | 4.46 | 72,240 |
| History of India | 0 | - | 4.61 | 21,271 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,144 |
| Countries of Africa | 0 | - | 5.00 | 2,505,741 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,666 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,313 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,757 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,399 |
| African East Coast | 0 | - | 4.96 | 94,971 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,847 |
| History of South Africa | 0 | - | 4.60 | 17,597 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,784 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,743 |
| Australian Capitals | 0 | - | 4.92 | 62,586 |
| Australia Map Quiz | 0 | - | 4.94 | 342,330 |
| Flags of North and South America | 0 | - | 4.99 | 366,288 |
| History of Mexico | 0 | - | 4.58 | 15,224 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,649 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,885 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,366 |
| 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 | 75,067 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 80,834 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,539 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 54,907 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 617,846 |
| U.S. Presidential Quotes | 0 | - | 4.37 | 44,352 |
| The George W. Bush Presidency | 0 | - | 4.06 | 32,081 |
