| Quiz | Points | Best | Rating | Takes |
|---|
| U.S. Presidents Quiz | 0 | - | 4.99 | 2,683,705 |
| Elements of the Periodic Table Quiz | 0 | - | 5.00 | 1,651,240 |
| Planets of the Solar System Quiz | 0 | - | 4.88 | 929,210 |
| World Leaders by Picture | 0 | - | 4.26 | 185,299 |
| U.S. Presidents by Picture | 0 | - | 4.82 | 348,236 |
| Shakespeare's Plays Quiz | 0 | - | 4.38 | 305,420 |
| Letters of the Greek Alphabet | 0 | - | 4.92 | 500,905 |
| Olympian Gods Quiz | 0 | - | 4.95 | 404,014 |
| English Monarchs Quiz | 0 | - | 4.85 | 380,140 |
| Name the War Quiz | 0 | - | 4.28 | 177,904 |
| Art Works Picture Quiz #1 | 0 | - | 4.43 | 89,174 |
| Art Works Picture Quiz #2 | 0 | - | 4.44 | 79,825 |
| Words for Leaders | 0 | - | 4.67 | 186,247 |
| Communist Countries in History | 0 | - | 4.48 | 384,045 |
| Famous Dictators Quiz #1 | 0 | - | 4.53 | 168,492 |
| Medical Specialties | 0 | - | 4.21 | 77,732 |
| People Who Were "The" Something | 0 | - | 4.17 | 122,818 |
| Body Part Words Quiz | 0 | - | 4.34 | 129,961 |
| Mythical Creatures Quiz #1 | 0 | - | 4.89 | 596,298 |
| First Names of Historical Figures #1 | 0 | - | 4.35 | 204,004 |
| Figures from Greek Mythology | 0 | - | 4.85 | 150,531 |
| Roman Numeral Decoding Quiz | 0 | - | 4.85 | 342,129 |
| Name that Historical Figure #1 | 0 | - | 4.68 | 263,870 |
| Name that Historical Figure #2 | 0 | - | 4.40 | 220,566 |
| Name that Historical Figure #3 | 0 | - | 4.28 | 189,818 |
| Events in History #1 | 0 | - | 4.28 | 139,417 |
| Ancient City to Country | 0 | - | 4.74 | 83,908 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 205,461 |
| Famous Ancient Romans | 0 | - | 4.68 | 68,625 |
| U.S. Presidential Trivia #1 | 0 | - | 4.54 | 83,049 |
| Popular Royal Names | 0 | - | 4.17 | 107,545 |
| Prime Ministers of the UK | 0 | - | 4.93 | 321,391 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 133,049 |
| Quotes from Historical Figures #1 | 0 | - | 4.49 | 76,325 |
| International Scientific Units | 0 | - | 4.94 | 111,924 |
| Elements by Symbol Quiz | 0 | - | 4.90 | 154,471 |
| Ye Olde Professions | 0 | - | 4.53 | 120,606 |
| Name that Greek Letter | 0 | - | 4.90 | 256,924 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 131,578 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.06 | 844,125 |
| Countries in World War II | 0 | - | 4.48 | 681,970 |
| Deadliest U.S. Wars | 0 | - | 4.81 | 141,973 |
| Countries in World War I | 0 | - | 4.91 | 183,171 |
| Biggest Nations and Empires Ever | 0 | - | 4.64 | 121,205 |
| Most Common Elements in the Human Body | 0 | - | 4.67 | 114,057 |
| Vietnam War Countries | 0 | - | 4.78 | 76,831 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,334 |
| Countries "Ruled" by King Charles III | 0 | - | 4.74 | 65,173 |
| Countries of the Soviet Union | 0 | - | 4.99 | 146,506 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 92,215 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.57 | 391,889 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.33 | 567,382 |
| The 7 Wonders of the Ancient World | 0 | - | 4.79 | 60,747 |
| Medical Conditions Quiz | 0 | - | 4.72 | 106,579 |
| Independence from Whom | 0 | - | 4.99 | 153,129 |
| Political Movements by Country | 0 | - | 4.50 | 62,038 |
| Famous Empires in History | 0 | - | 4.79 | 92,557 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 59,863 |
| Losing U.S. Presidential Candidates | 0 | - | 4.49 | 64,074 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,881 |
| WWII Trivia #1 | 0 | - | 4.33 | 131,015 |
| Notable People of WWII | 0 | - | 4.48 | 74,059 |
| Who Controlled These Colonies? | 0 | - | 4.73 | 100,744 |
| Medical Acronyms | 0 | - | 4.35 | 80,719 |
| Former Countries by Capital | 0 | - | 4.41 | 97,474 |
| Speed Symbol by Element | 0 | - | 4.86 | 79,525 |
| Roman to Greek God | 0 | - | 4.48 | 93,666 |
| Invasions | 0 | - | 4.77 | 72,314 |
| WWII Trivia #2 | 0 | - | 4.47 | 76,354 |
| World War I Quiz | 0 | - | 4.54 | 83,061 |
| First Names of U.S. Presidents | 0 | - | 4.87 | 296,903 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 147,243 |
| Biggest Cities in History | 0 | - | 4.47 | 70,730 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,710 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 42,901 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,451 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 66,079 |
| History Analogies #2 | 0 | - | 4.44 | 59,867 |
| Ancient Greek Trivia | 0 | - | 4.45 | 59,040 |
| Countries with the Most Forest | 0 | - | 4.89 | 125,866 |
| Elemental Words | 0 | - | 4.96 | 42,117 |
| Current Events by Year, 1990–2009 | 0 | - | 4.76 | 134,359 |
| Ancient Greek Words | 0 | - | 4.84 | 72,460 |
| Name that Historical Figure #4 | 0 | - | 4.27 | 122,410 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,473 |
| Name the Popes Quiz | 0 | - | 4.44 | 89,769 |
| Important Cities in European History | 0 | - | 4.50 | 88,458 |
| Countries of the Spanish Empire | 0 | - | 4.65 | 61,470 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 89,103 |
| Confederate States of the U.S. Civil War | 0 | - | 4.93 | 103,565 |
| Roman Emperors | 0 | - | 4.95 | 78,921 |
| History by Letter - A | 0 | - | 4.47 | 115,862 |
| History by Letter - B | 0 | - | 4.53 | 132,280 |
| History by Letter - C | 0 | - | 4.65 | 127,879 |
| History by Letter - D | 0 | - | 4.28 | 106,752 |
| History by Letter - E | 0 | - | 4.43 | 103,414 |
| WWII A-Z #1 | 0 | - | 4.74 | 81,407 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,937 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,272 |
| History by Letter - I | 0 | - | 4.41 | 73,920 |
| History by Letter - J | 0 | - | 4.45 | 111,698 |
| Historical City to Country | 0 | - | 4.81 | 66,474 |
| Dumb it Down Doc | 0 | - | 4.04 | 57,927 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 75,027 |
| Countries in the Ottoman Empire | 0 | - | 4.93 | 50,797 |
| History by Letter - M | 0 | - | 4.50 | 83,925 |
| Countries Settled by Vikings | 0 | - | 4.92 | 91,911 |
| History Analogies #3 | 0 | - | 4.44 | 61,863 |
| Name the Virus | 0 | - | 4.78 | 57,489 |
| WWII Geography | 0 | - | 4.74 | 89,049 |
| History General Knowledge #3 | 0 | - | 4.51 | 66,505 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 129,114 |
| People in History A-Z #1 | 0 | - | 4.67 | 80,468 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,299 |
| Countries with the Most HIV | 0 | - | 4.42 | 39,469 |
| Former Countries | 0 | - | 4.53 | 100,512 |
| Top 10 Solar Power Countries | 0 | - | 4.81 | 51,497 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,328 |
| US Presidents - 1 Minute Sprint | 0 | - | 4.35 | 239,266 |
| Military History Vocabulary | 0 | - | 4.84 | 52,105 |
| Noble Gases | 0 | - | 4.81 | 54,423 |
| Countries with Glaciers | 0 | - | 4.97 | 72,745 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 111,027 |
| Assassinated U.S. Presidents | 0 | - | 4.57 | 71,695 |
| Science General Knowledge #1 | 0 | - | 4.54 | 121,886 |
| Name the Constellations - With a Map | 0 | - | 4.91 | 26,219 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 66,137 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.47 | 132,487 |
| Countries of the Popes | 0 | - | 4.74 | 70,338 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,741 |
| Most Populous Countries by Year | 0 | - | 4.78 | 79,397 |
| Countries the UK Declared War On | 0 | - | 4.73 | 99,919 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,705 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 112,654 |
| Periodic Table Symbols Quiz | 0 | - | 4.98 | 35,511 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 44,889 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.86 | 44,349 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 73,989 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,556 |
| Metals of Antiquity | 0 | - | 4.95 | 63,792 |
| Biggest Spanish Empire Countries | 0 | - | 4.79 | 81,082 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 142,743 |
| Albert Einstein Quiz | 0 | - | 4.56 | 11,279 |
| The Trojan War | 0 | - | 4.84 | 26,040 |
| Countries with the Most Malaria Deaths | 0 | - | 4.36 | 29,488 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,607 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,395 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,464 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 48,013 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 99,220 |
| Medical Vocabulary | 0 | - | 4.47 | 46,891 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 116,636 |
| Former Flags | 0 | - | 4.96 | 70,799 |
| Country by Photo of its Leader #1 | 0 | - | 4.74 | 80,815 |
| Former Countries by Territory Map | 0 | - | 4.96 | 75,189 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.09 | 19,955 |
| Countries of the World in 1900 | 0 | - | 4.87 | 52,638 |
| Empires by Maps | 0 | - | 4.99 | 75,703 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.73 | 68,616 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.40 | 12,375 |
| Ultimate 20th Century History Quiz | 0 | - | 4.87 | 40,638 |
| Two Letter Roman Numerals | 0 | - | 4.94 | 28,322 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 147,262 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.82 | 17,037 |
| Louisiana Purchase with a Map | 0 | - | 4.94 | 30,495 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,382 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 73,068 |
| Name a Valid U.S. President #1 | 0 | - | 4.93 | 126,460 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.55 | 30,273 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 93,269 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 105,941 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 80,568 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 74,547 |
| Battle to Country | 0 | - | 4.89 | 30,642 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 84,848 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 67,115 |
| Cities by Former Name | 0 | - | 4.82 | 62,781 |
| Countries by Former Name | 0 | - | 4.98 | 82,774 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 58,907 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.51 | 37,000 |
| Name a Valid Year in History | 0 | - | 4.97 | 38,297 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 33,174 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.89 | 37,049 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 21,069 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 58,858 |
| Countries by Founding Story | 0 | - | 4.91 | 48,890 |
| WWI... or WWII? | 0 | - | 4.74 | 83,043 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 50,300 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.98 | 98,553 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.84 | 41,274 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.99 | 66,001 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.82 | 32,852 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 52,437 |
| Countries of the World in 1444 | 0 | - | 4.95 | 41,508 |
| World History Quiz for Dummies | 0 | - | 4.53 | 60,242 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.95 | 46,765 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.95 | 18,231 |
| Former Country Flag-Shape Picture Quiz | 0 | - | 4.98 | 53,080 |
| "Second Best" History Edition | 0 | - | 4.93 | 26,414 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 50,213 |
