| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 144,740 |
| Prime Ministers of the UK | 0 | - | 4.95 | 439,383 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,412 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,701,934 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,206 |
| Countries of the German Empire | 0 | - | 4.51 | 37,967 |
| Name the Popes Quiz | 0 | - | 4.47 | 138,278 |
| Countries of the Popes | 0 | - | 4.79 | 128,187 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 191,974 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,644 |
| Countries of the Italian Empire | 0 | - | 4.21 | 27,700 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,151 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,736 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,961 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,563 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,077 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,833 |
| Shakespeare's Plays Quiz | 0 | - | 4.37 | 388,349 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,700 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,962 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 381,989 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,930 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 37,886 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.42 | 51,774 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,794 |
| U.S. Presidents by Event | 0 | - | 4.58 | 34,565 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.62 | 93,863 |
| Presidential Middle Names | 0 | - | 4.41 | 60,318 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,389 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,626 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 35,017 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,452 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,352 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,303 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,366 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,521 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,083 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,011 |
| Pope Facts | 0 | - | 4.39 | 31,262 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,286 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,935 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,550 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,900 |
| U.S. Vice Presidents | 0 | - | 4.39 | 136,329 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,267 |
| First Ladies of the United States | 0 | - | 4.28 | 85,681 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,234 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 77,146 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 305,094 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,218 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 70,070 |
| Add a Letter - Make a U.S. President | 0 | - | 4.57 | 23,981 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,839 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,540 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,502 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 82,469 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,804 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,118 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,977 |
| Roman to Greek God | 0 | - | 4.52 | 122,908 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,135 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,098 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,758 |
| UK Immigration by Country | 0 | - | 4.94 | 140,992 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,930 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,814 |
| Name the English Monarchs | 0 | - | 4.91 | 503,161 |
| Vietnam War Countries | 0 | - | 4.82 | 94,273 |
| Country by Photo of its Leader | 0 | - | 4.72 | 124,149 |
| U.S. President Scramble | 0 | - | 4.40 | 116,827 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,915 |
| American Revolution Decoder | 0 | - | 4.10 | 20,962 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,880 |
| Every European Country Shape | 0 | - | 4.96 | 201,920 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,167 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,824 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,862 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,309 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,466 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,871 |
| The Trojan War | 0 | - | 4.83 | 39,753 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,970 |
| Name that Greek Letter | 0 | - | 4.93 | 323,930 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,971 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,811 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,571 |
| Roman Emperors | 0 | - | 4.95 | 120,168 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,176 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,931 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,342 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,198 |
| Monty Python Quotes | 0 | - | 4.88 | 42,477 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,511 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,080 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,694 |
| National Founders | 0 | - | 4.40 | 83,851 |
| U.S. Presidential Running Mates | 0 | - | 4.40 | 28,652 |
| The George Washington Presidency | 0 | - | 4.03 | 14,550 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,737 |
| Random U.S. Vice President to President | 0 | - | 4.39 | 30,655 |
| The John Adams Presidency | 0 | - | 4.12 | 8,751 |
| Franklin... or Theodore Roosevelt | 0 | - | 4.35 | 16,939 |
| The Theodore Roosevelt Presidency | 0 | - | 4.39 | 7,744 |
| U.S. Presidents to Win the Nobel Peace Prize | 0 | - | 4.34 | 18,329 |
| U.S. Presidential Knowledge - Multiple Choice | 0 | - | 4.36 | 21,691 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,859 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,517 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,578 |
| Random European Countries on a Map | 0 | - | 4.97 | 283,987 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 318,878 |
| Random European Flag to Country | 0 | - | 4.89 | 182,651 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,010 |
| Flags of Countries That Border France | 0 | - | 4.88 | 123,206 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,337 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,528 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.98 | 74,346 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,215 |
| Ancient Greek Words | 0 | - | 4.93 | 111,713 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,157 |
| Italy by Picture | 0 | - | 4.41 | 30,958 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,164 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,186 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,804 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,420 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,945 |
| Shakespeare Quotes | 0 | - | 4.43 | 71,427 |
| Groups of Things - Harry Potter | 0 | - | 4.80 | 281,852 |
| Harry Potter A-Z | 0 | - | 4.43 | 227,093 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 493,506 |
| Animals in British History | 0 | - | 4.43 | 26,022 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,845 |
| 2025–2026 English Premier League Teams | 0 | - | 4.85 | 860,241 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 53,834 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,486 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,082 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,816 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,201 |
| Europe Map Quiz | 0 | - | 5.00 | 4,765,596 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,858 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,010 |
| Most Forested European Countries | 0 | - | 4.80 | 75,377 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,639 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 217,322 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,516 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,674 |
| History of Russia Quiz | 0 | - | 4.47 | 31,933 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,554 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,666 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 94,066 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,783 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,190 |
| History of France | 0 | - | 4.59 | 57,091 |
| History of Italy | 0 | - | 4.55 | 32,002 |
| Byzantine History | 0 | - | 4.91 | 28,882 |
| Byzantine Emperors | 0 | - | 4.92 | 14,240 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,680 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,255 |
| Real Madrid 2010s Starting XI | 0 | - | 4.90 | 67,564 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,899 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,062 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,365 |
| Name the James Bond Movies | 0 | - | 4.56 | 158,588 |
| James Bond Trivia | 0 | - | 4.46 | 39,288 |
| Word Scramble - Harry Potter Characters | 0 | - | 4.20 | 60,902 |
| Harry Potter Characters by Screen Time | 0 | - | 4.27 | 148,275 |
| 100 Most Common Words in Beatles Songs | 0 | - | 4.52 | 25,583 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,366 |
| Countries the UK Declared War On | 0 | - | 4.55 | 122,555 |
| Geography of the British Empire | 0 | - | 4.48 | 39,702 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 62,138 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,956 |
| Communist Countries in History | 0 | - | 4.63 | 495,996 |
| Political Movements by Country | 0 | - | 4.46 | 72,558 |
| History of India | 0 | - | 4.62 | 21,438 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,472 |
| Countries of Africa | 0 | - | 5.00 | 2,539,729 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,911 |
| Africa Map Quiz | 0 | - | 5.00 | 2,119,083 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,910 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,348 |
| African East Coast | 0 | - | 4.96 | 96,125 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,981 |
| History of South Africa | 0 | - | 4.60 | 17,698 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,880 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,788 |
| Australian Capitals | 0 | - | 4.92 | 62,734 |
| Australia Map Quiz | 0 | - | 4.95 | 344,782 |
| Flags of North and South America | 0 | - | 4.99 | 373,521 |
| History of Mexico | 0 | - | 4.58 | 15,317 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,414 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,115 |
| United States Map Quiz | 0 | - | 4.98 | 4,160,456 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,001 |
| U.S. States by Governor | 0 | - | 4.43 | 18,067 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,542 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,704 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,541 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,378 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,690 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 55,400 |
