| Quiz | Points | Best | Rating | Takes |
|---|
| U.S. Presidents Quiz | 0 | - | 4.99 | 2,673,003 |
| Elements of the Periodic Table Quiz | 0 | - | 5.00 | 1,644,803 |
| Planets of the Solar System Quiz | 0 | - | 4.88 | 927,208 |
| World Leaders by Picture | 0 | - | 4.26 | 184,734 |
| U.S. Presidents by Picture | 0 | - | 4.80 | 347,061 |
| Shakespeare's Plays Quiz | 0 | - | 4.36 | 304,121 |
| Letters of the Greek Alphabet | 0 | - | 4.92 | 499,029 |
| Olympian Gods Quiz | 0 | - | 4.95 | 402,850 |
| English Monarchs Quiz | 0 | - | 4.85 | 378,818 |
| Name the War Quiz | 0 | - | 4.28 | 177,628 |
| Art Works Picture Quiz #1 | 0 | - | 4.43 | 88,990 |
| Art Works Picture Quiz #2 | 0 | - | 4.44 | 79,681 |
| Words for Leaders | 0 | - | 4.65 | 185,446 |
| Communist Countries in History | 0 | - | 4.47 | 382,636 |
| Famous Dictators Quiz #1 | 0 | - | 4.52 | 168,162 |
| Medical Specialties | 0 | - | 4.21 | 77,571 |
| People Who Were "The" Something | 0 | - | 4.16 | 122,711 |
| Body Part Words Quiz | 0 | - | 4.36 | 129,765 |
| Mythical Creatures Quiz #1 | 0 | - | 4.89 | 594,579 |
| First Names of Historical Figures #1 | 0 | - | 4.35 | 203,726 |
| Figures from Greek Mythology | 0 | - | 4.85 | 150,010 |
| Roman Numeral Decoding Quiz | 0 | - | 4.84 | 340,918 |
| Name that Historical Figure #1 | 0 | - | 4.67 | 262,022 |
| Name that Historical Figure #2 | 0 | - | 4.40 | 218,699 |
| Name that Historical Figure #3 | 0 | - | 4.28 | 188,180 |
| Events in History #1 | 0 | - | 4.28 | 139,137 |
| Ancient City to Country | 0 | - | 4.78 | 83,388 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 204,999 |
| Famous Ancient Romans | 0 | - | 4.68 | 68,461 |
| U.S. Presidential Trivia #1 | 0 | - | 4.54 | 82,893 |
| Popular Royal Names | 0 | - | 4.17 | 107,392 |
| Prime Ministers of the UK | 0 | - | 4.93 | 320,372 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,699 |
| Quotes from Historical Figures #1 | 0 | - | 4.49 | 76,130 |
| International Scientific Units | 0 | - | 4.94 | 111,451 |
| Elements by Symbol Quiz | 0 | - | 4.90 | 154,083 |
| Ye Olde Professions | 0 | - | 4.52 | 120,228 |
| Name that Greek Letter | 0 | - | 4.91 | 256,161 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 131,015 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.06 | 841,563 |
| Countries in World War II | 0 | - | 4.47 | 678,982 |
| Deadliest U.S. Wars | 0 | - | 4.81 | 141,553 |
| Countries in World War I | 0 | - | 4.92 | 182,555 |
| Biggest Nations and Empires Ever | 0 | - | 4.63 | 120,918 |
| Most Common Elements in the Human Body | 0 | - | 4.67 | 113,828 |
| Vietnam War Countries | 0 | - | 4.78 | 76,563 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,034 |
| Countries "Ruled" by King Charles III | 0 | - | 4.74 | 64,974 |
| Countries of the Soviet Union | 0 | - | 4.99 | 145,939 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 91,892 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.56 | 390,578 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.33 | 565,413 |
| The 7 Wonders of the Ancient World | 0 | - | 4.78 | 60,532 |
| Medical Conditions Quiz | 0 | - | 4.71 | 106,396 |
| Independence from Whom | 0 | - | 4.99 | 152,737 |
| Political Movements by Country | 0 | - | 4.49 | 61,872 |
| Famous Empires in History | 0 | - | 4.79 | 92,276 |
| Time Magazine Person of the Year | 0 | - | 4.56 | 59,697 |
| Losing U.S. Presidential Candidates | 0 | - | 4.48 | 63,937 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,497 |
| WWII Trivia #1 | 0 | - | 4.34 | 130,601 |
| Notable People of WWII | 0 | - | 4.48 | 73,906 |
| Who Controlled These Colonies? | 0 | - | 4.73 | 100,475 |
| Medical Acronyms | 0 | - | 4.35 | 80,559 |
| Speed Symbol by Element | 0 | - | 4.85 | 79,330 |
| Roman to Greek God | 0 | - | 4.46 | 93,301 |
| Invasions | 0 | - | 4.74 | 71,748 |
| WWII Trivia #2 | 0 | - | 4.47 | 76,148 |
| World War I Quiz | 0 | - | 4.52 | 82,866 |
| First Names of U.S. Presidents | 0 | - | 4.87 | 296,023 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,861 |
| Biggest Cities in History | 0 | - | 4.49 | 70,409 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,498 |
| Electromagnetic Spectrum | 0 | - | 4.92 | 42,742 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,257 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 65,883 |
| History Analogies #2 | 0 | - | 4.44 | 59,761 |
| Ancient Greek Trivia | 0 | - | 4.45 | 58,886 |
| Countries with the Most Forest | 0 | - | 4.89 | 125,633 |
| Elemental Words | 0 | - | 4.96 | 41,970 |
| Current Events by Year, 1990–2009 | 0 | - | 4.74 | 133,668 |
| Ancient Greek Words | 0 | - | 4.83 | 71,876 |
| Name that Historical Figure #4 | 0 | - | 4.27 | 121,000 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,271 |
| Name the Popes Quiz | 0 | - | 4.44 | 89,555 |
| Important Cities in European History | 0 | - | 4.49 | 88,287 |
| Countries of the Spanish Empire | 0 | - | 4.65 | 61,345 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 88,886 |
| Confederate States of the U.S. Civil War | 0 | - | 4.92 | 103,221 |
| Roman Emperors | 0 | - | 4.95 | 78,379 |
| History by Letter - A | 0 | - | 4.47 | 115,316 |
| History by Letter - B | 0 | - | 4.52 | 131,674 |
| History by Letter - C | 0 | - | 4.64 | 127,237 |
| History by Letter - D | 0 | - | 4.29 | 105,370 |
| History by Letter - E | 0 | - | 4.43 | 99,643 |
| WWII A-Z #1 | 0 | - | 4.74 | 81,135 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,338 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,171 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,142 |
| History by Letter - J | 0 | - | 4.45 | 111,158 |
| Historical City to Country | 0 | - | 4.81 | 66,311 |
| Dumb it Down Doc | 0 | - | 4.04 | 57,852 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,665 |
| Countries in the Ottoman Empire | 0 | - | 4.92 | 50,626 |
| History by Letter - M | 0 | - | 4.50 | 83,292 |
| Countries Settled by Vikings | 0 | - | 4.92 | 91,690 |
| History Analogies #3 | 0 | - | 4.44 | 61,764 |
| Name the Virus | 0 | - | 4.79 | 57,370 |
| WWII Geography | 0 | - | 4.73 | 88,479 |
| History General Knowledge #3 | 0 | - | 4.50 | 66,313 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 128,811 |
| People in History A-Z #1 | 0 | - | 4.66 | 80,188 |
| Biggest European Cities by Century | 0 | - | 4.96 | 104,962 |
| Countries with the Most HIV | 0 | - | 4.42 | 39,369 |
| Former Countries | 0 | - | 4.52 | 100,288 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,096 |
| US Presidents - 1 Minute Sprint | 0 | - | 4.34 | 238,329 |
| Military History Vocabulary | 0 | - | 4.84 | 51,918 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,564 |
| Noble Gases | 0 | - | 4.81 | 54,275 |
| Countries with Glaciers | 0 | - | 4.97 | 72,568 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 110,540 |
| Assassinated U.S. Presidents | 0 | - | 4.56 | 71,459 |
| Science General Knowledge #1 | 0 | - | 4.52 | 121,440 |
| Name the Constellations - With a Map | 0 | - | 4.91 | 26,132 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 65,769 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.46 | 131,930 |
| Countries of the Popes | 0 | - | 4.74 | 70,116 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,600 |
| Most Populous Countries by Year | 0 | - | 4.77 | 78,889 |
| Countries the UK Declared War On | 0 | - | 4.72 | 99,591 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,137 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 112,008 |
| Periodic Table Symbols Quiz | 0 | - | 4.98 | 35,005 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 44,763 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.86 | 44,227 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 73,746 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,378 |
| Metals of Antiquity | 0 | - | 4.95 | 63,626 |
| Biggest Spanish Empire Countries | 0 | - | 4.79 | 80,794 |
| Soviet Union Country Quiz | 0 | - | 4.78 | 56,348 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 142,224 |
| Albert Einstein Quiz | 0 | - | 4.56 | 11,224 |
| The Trojan War | 0 | - | 4.83 | 25,930 |
| Countries with the Most Malaria Deaths | 0 | - | 4.36 | 29,426 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,435 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,219 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,316 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,856 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 98,849 |
| Medical Vocabulary | 0 | - | 4.47 | 46,738 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 116,054 |
| Former Flags | 0 | - | 4.96 | 70,512 |
| Country by Photo of its Leader #1 | 0 | - | 4.73 | 80,544 |
| Former Countries by Territory Map | 0 | - | 4.96 | 74,931 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.09 | 19,916 |
| Countries of the World in 1900 | 0 | - | 4.87 | 52,223 |
| Empires by Maps | 0 | - | 4.99 | 75,193 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.73 | 68,207 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.40 | 12,321 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 40,497 |
| Two Letter Roman Numerals | 0 | - | 4.94 | 27,997 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 146,543 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.82 | 16,960 |
| Louisiana Purchase with a Map | 0 | - | 4.94 | 30,364 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,175 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 72,652 |
| Name a Valid U.S. President #1 | 0 | - | 4.93 | 125,965 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.55 | 30,159 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 92,719 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 105,263 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 80,194 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 74,136 |
| Battle to Country | 0 | - | 4.89 | 30,526 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 84,420 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 66,902 |
| Cities by Former Name | 0 | - | 4.82 | 62,594 |
| Countries by Former Name | 0 | - | 4.99 | 82,477 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 58,610 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.51 | 36,874 |
| Name a Valid Year in History | 0 | - | 4.97 | 37,916 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 32,995 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.89 | 36,754 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 20,909 |
| The 21st Century | 0 | - | 4.44 | 58,506 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 58,434 |
| Countries by Founding Story | 0 | - | 4.91 | 48,758 |
| WWI... or WWII? | 0 | - | 4.78 | 82,520 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 49,940 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.98 | 97,878 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.84 | 41,025 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 65,586 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.82 | 32,642 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 52,151 |
| Countries of the World in 1444 | 0 | - | 4.95 | 41,203 |
| World History Quiz for Dummies | 0 | - | 4.51 | 60,048 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.96 | 46,413 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.94 | 18,099 |
| Former Country Flag-Shape Picture Quiz | 0 | - | 4.98 | 52,790 |
| "Second Best" History Edition | 0 | - | 4.91 | 26,235 |
