| Prime Ministers of the UK | 0 | - | 4.95 | 438,311 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,692,216 |
| Name the Popes Quiz | 0 | - | 4.47 | 138,009 |
| Countries of the Popes | 0 | - | 4.79 | 127,988 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 191,530 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,900 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,462 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,144 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,152 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,244 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 493,110 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,599 |
| U.S. Presidents by Event | 0 | - | 4.58 | 34,349 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,684 |
| Presidential Middle Names | 0 | - | 4.41 | 60,165 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 381,279 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,244 |
| Assassinated U.S. Presidents | 0 | - | 4.62 | 94,514 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,387 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,206 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,917 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,821 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,928 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,570 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,650 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,056 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,203 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 37,769 |
| Pope Facts | 0 | - | 4.39 | 31,221 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,290 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 304,768 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,958 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,925 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,028 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 79,953 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,457 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,827 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,731 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 94,899 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,428 |
| The Dictator Files: Saddam Hussein | 0 | - | 4.48 | 15,845 |
| Country by Photo of its Leader | 0 | - | 4.72 | 123,957 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,714 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,835 |
| U.S. Vice Presidents | 0 | - | 4.39 | 136,149 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,247 |
| First Ladies of the United States | 0 | - | 4.28 | 85,585 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,212 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 77,001 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,174 |
| Add a Letter - Make a U.S. President | 0 | - | 4.57 | 23,944 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,642 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,812 |
| Byzantine History | 0 | - | 4.91 | 28,782 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,009 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,703 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,175 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,391 |
| Name the English Monarchs | 0 | - | 4.91 | 501,986 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,059 |
| National Founders | 0 | - | 4.40 | 83,811 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,939 |
| U.S. President Scramble | 0 | - | 4.40 | 116,705 |
| U.S. Presidents by Picture - Multiple Choice | 0 | - | 4.50 | 28,808 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,860 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,441 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,780 |
| The Trojan War | 0 | - | 4.83 | 39,675 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,653 |
| Name that Greek Letter | 0 | - | 4.93 | 323,254 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,668 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,729 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,466 |
| Roman Emperors | 0 | - | 4.95 | 119,793 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 378,623 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,270 |
| 2025–2026 English Premier League Teams | 0 | - | 4.85 | 858,397 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,666 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,387 |
| The Dictator Files: Fidel Castro | 0 | - | 4.19 | 12,315 |
| U.S. Presidential Running Mates | 0 | - | 4.40 | 28,616 |
| The George Washington Presidency | 0 | - | 4.03 | 14,539 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,719 |
| Random U.S. Vice President to President | 0 | - | 4.39 | 30,634 |
| The John Adams Presidency | 0 | - | 4.12 | 8,740 |
| Franklin... or Theodore Roosevelt | 0 | - | 4.35 | 16,925 |
| The Theodore Roosevelt Presidency | 0 | - | 4.39 | 7,735 |
| U.S. Presidents to Win the Nobel Peace Prize | 0 | - | 4.34 | 18,312 |
| U.S. Presidential Knowledge - Multiple Choice | 0 | - | 4.36 | 21,667 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,845 |
| History of Russia Quiz | 0 | - | 4.47 | 31,899 |
| Flags of Countries That Border France | 0 | - | 4.88 | 122,787 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,926 |
| Countries of the German Empire | 0 | - | 4.51 | 37,896 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 73,853 |
| Ancient Greek Words | 0 | - | 4.93 | 111,455 |
| History of Italy | 0 | - | 4.55 | 31,957 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,637 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,197 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,185 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,825 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,734 |
| Harry Potter: Voldemort's Horcruxes | 0 | - | 4.44 | 112,699 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,903 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,557 |
| Countries "Ruled" by King Charles III | 0 | - | 4.77 | 82,720 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 53,797 |
| George Washington... or George W. Bush? | 0 | - | 4.16 | 12,261 |
| History of India | 0 | - | 4.62 | 21,409 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,014 |
| History of South Africa | 0 | - | 4.60 | 17,674 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,067 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,776 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,165 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,191 |
| Europe Map Quiz | 0 | - | 5.00 | 4,758,602 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,142 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,943 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,670 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,393 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 93,964 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,461 |
| History of Austria | 0 | - | 4.70 | 17,850 |
| Geography of the French Empire | 0 | - | 4.45 | 27,040 |
| The French Revolution | 0 | - | 4.46 | 23,920 |
| History of France | 0 | - | 4.59 | 56,914 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,260 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 144,431 |
| Mythology A-Z | 0 | - | 4.31 | 37,193 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,767 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,646 |
| Least Irish U.S. States | 0 | - | 4.49 | 18,303 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,684 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 102,698 |
| The Vikings! | 0 | - | 4.46 | 28,333 |
| The Portuguese Empire | 0 | - | 4.58 | 12,056 |
| Biggest British Empire Countries | 0 | - | 4.74 | 99,854 |
| Name the Harry Potter Books | 0 | - | 4.31 | 278,856 |
| Harry Potter Spells | 0 | - | 4.33 | 139,592 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 281,527 |
| Harry Potter Places | 0 | - | 4.34 | 108,199 |
| Harry Potter - Order of the Phoenix Members | 0 | - | 4.06 | 43,028 |
| Harry Potter Creatures | 0 | - | 4.29 | 64,019 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,318 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,381 |
| Geography of the British Empire | 0 | - | 4.48 | 39,644 |
| People Buried at Westminster Abbey | 0 | - | 4.67 | 14,244 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.41 | 51,718 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,604 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,853 |
| History of Iran | 0 | - | 4.66 | 16,348 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,932 |
| Vietnam War Countries | 0 | - | 4.82 | 94,137 |
| History of China | 0 | - | 4.37 | 57,119 |
| Communist Countries in History | 0 | - | 4.63 | 495,231 |
| Political Movements by Country | 0 | - | 4.46 | 72,493 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,419 |
| Countries of Africa | 0 | - | 5.00 | 2,532,963 |
| Africa Map Quiz | 0 | - | 5.00 | 2,116,032 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,725 |
| African East Coast | 0 | - | 4.96 | 95,935 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,746 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,326 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,571 |
| Australian Capitals | 0 | - | 4.92 | 62,709 |
| Australia Map Quiz | 0 | - | 4.95 | 344,130 |
| History of Mexico | 0 | - | 4.58 | 15,299 |
| United States Map Quiz | 0 | - | 4.98 | 4,155,439 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,950 |
| U.S. States by Governor | 0 | - | 4.43 | 18,054 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,515 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,680 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,658 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 55,303 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 626,345 |
| U.S. Presidential Quotes | 0 | - | 4.37 | 44,484 |
| The George W. Bush Presidency | 0 | - | 4.06 | 32,181 |
| US Presidents Breakdown Puzzle #1 | 0 | - | 3.69 | 20,042 |
| People in Pictures with Ronald Reagan | 0 | - | 4.35 | 40,650 |
| U.S. Presidents True or False | 0 | - | 3.96 | 15,591 |
| U.S. Presidential Last Names as Baby Names | 0 | - | 4.19 | 33,547 |
| Random U.S. Presidents by Picture | 0 | - | 4.40 | 66,190 |
| The Kennedy Family | 0 | - | 3.90 | 14,065 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,099 |
| U.S. History for Dummies | 0 | - | 4.47 | 82,989 |
| The American Civil War | 0 | - | 4.62 | 52,393 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,970 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,616 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,195 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,743 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,055 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,189 |
| Official European Union Languages | 0 | - | 4.97 | 238,294 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,723 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,931 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,005 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,829 |
| The Only European Country ... | 0 | - | 4.91 | 216,269 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,934 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 29,794 |
