| G7 Leaders Since 2003 | 0 | - | 4.47 | 43,173 |
| Famous Dictators Quiz #1 | 0 | - | 4.69 | 194,088 |
| Historical Leaders by Date #1 | 0 | - | 4.49 | 30,356 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 29,240 |
| Historical Rulers #2 | 0 | - | 4.26 | 46,041 |
| Historical Rulers #1 | 0 | - | 4.34 | 116,414 |
| World Leaders Quiz #1 | 0 | - | 4.13 | 106,802 |
| Words for Leaders | 0 | - | 4.75 | 248,158 |
| Famous Dictators Quiz #2 | 0 | - | 4.35 | 84,847 |
| UN Secretaries-General | 0 | - | 4.40 | 7,593 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.05 | 19,176 |
| NATO Countries Quiz | 0 | - | 4.98 | 260,772 |
| EU Countries Quiz | 0 | - | 4.99 | 257,398 |
| Prime Ministers of the UK | 0 | - | 4.96 | 419,008 |
| "Second Best" History Edition | 0 | - | 4.94 | 57,396 |
| World Leaders Quiz #2 | 0 | - | 3.96 | 28,733 |
| World Leaders of the Cold War | 0 | - | 4.28 | 24,080 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.78 | 75,377 |
| Military History Vocabulary | 0 | - | 4.91 | 64,798 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 233,347 |
| Political Figures by Last Name #1 | 0 | - | 4.55 | 65,229 |
| World Leaders by Picture | 0 | - | 4.37 | 256,350 |
| Canadian Prime Ministers Quiz | 0 | - | 4.63 | 54,929 |
| World Leaders of the World Wars | 0 | - | 4.36 | 36,569 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.20 | 42,752 |
| OPEC Countries Quiz | 0 | - | 4.74 | 83,659 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 71,126 |
| Former Countries by Territory Map | 0 | - | 4.96 | 96,764 |
| Empires by Maps | 0 | - | 4.98 | 111,032 |
| Ultimate 20th Century History Quiz | 0 | - | 4.84 | 51,374 |
| WWII Geography | 0 | - | 4.82 | 116,197 |
| WWII Figures by Picture | 0 | - | 4.83 | 47,486 |
| The 7 Wonders of the Ancient World | 0 | - | 4.81 | 67,606 |
| English Monarchs Quiz | 0 | - | 4.91 | 481,306 |
| Dictators by Picture | 0 | - | 4.23 | 47,733 |
| Prime Ministers of Australia | 0 | - | 4.49 | 30,659 |
| Political Quotes Quiz | 0 | - | 4.13 | 19,559 |
| Influential Women in History | 0 | - | 4.41 | 33,153 |
| Metals of Antiquity | 0 | - | 4.93 | 90,677 |
| Cradles of Civilization | 0 | - | 4.44 | 37,216 |
| Materials From History #1 | 0 | - | 4.56 | 49,104 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 44,257 |
| Historical Countries by Ruler | 0 | - | 4.48 | 45,778 |
| History: What Came First? #1 | 0 | - | 4.86 | 100,484 |
| Spouses of World Leaders | 0 | - | 4.16 | 12,023 |
| First Names of Recent World Leaders | 0 | - | 4.25 | 24,295 |
| The Dictator Files: Saddam Hussein | 0 | - | 4.48 | 15,389 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 692,217 |
| Biggest Nations and Empires Ever | 0 | - | 4.45 | 142,518 |
| Famous Explorers | 0 | - | 4.58 | 35,149 |
| Famous Empires in History | 0 | - | 4.78 | 115,178 |
| Answers by Time Period | 0 | - | 4.56 | 54,232 |
| Years in History #1 - Multiple Choice | 0 | - | 4.83 | 67,851 |
| European Secessionist Movements on a Map | 0 | - | 4.52 | 33,809 |
| Top 10 Oldest African Countries | 0 | - | 4.87 | 26,059 |
| Popular Royal Names | 0 | - | 4.28 | 122,246 |
| Paramount Leaders of China | 0 | - | 4.35 | 10,677 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.96 | 39,450 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 53,001 |
| All Modern-Day Countries Ever Controlled by the British | 0 | - | 4.83 | 47,642 |
| Countries with the Most Military Troops | 0 | - | 4.96 | 271,698 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 252,177 |
| Countries with NO Military | 0 | - | 4.97 | 57,582 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 140,512 |
| Countries by Number of Books Published | 0 | - | 4.95 | 69,562 |
| Top Five Countries by Religion | 0 | - | 4.91 | 160,717 |
| Books of the Protestant Bible | 0 | - | 4.87 | 198,252 |
| Years in History by Picture | 0 | - | 4.43 | 33,403 |
| History of The Netherlands | 0 | - | 4.46 | 16,782 |
| Historical Events - AD or BC? | 0 | - | 4.74 | 55,784 |
| Materials From History #2 | 0 | - | 4.59 | 30,396 |
| The Dictator Files: Chairman Mao | 0 | - | 4.33 | 20,190 |
| Name the Popes Quiz | 0 | - | 4.47 | 133,503 |
| Countries of the Popes | 0 | - | 4.80 | 123,969 |
| 20th Century Dates Quiz | 0 | - | 4.55 | 38,875 |
| Events in History #2 | 0 | - | 4.48 | 69,965 |
| Events in History #4 | 0 | - | 4.43 | 43,130 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.20 | 48,189 |
| Assassinations in History Quiz | 0 | - | 4.18 | 65,101 |
| Famous Seconds Quiz | 0 | - | 4.21 | 45,967 |
| Ages and Eras Quiz | 0 | - | 4.38 | 66,583 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,094 |
| Titled People Quiz #1 | 0 | - | 4.10 | 45,092 |
| Titled People Quiz #3 | 0 | - | 4.33 | 42,538 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,205 |
| Female Historical Figures | 0 | - | 4.31 | 32,551 |
| Historical Blunders | 0 | - | 4.33 | 90,654 |
| Disasters in History | 0 | - | 4.42 | 25,117 |
| Territorial Accessions | 0 | - | 4.38 | 34,060 |
| People Known as "The Great" | 0 | - | 4.44 | 24,020 |
| This Day in History - July | 0 | - | 4.48 | 36,032 |
| This Day in History - August | 0 | - | 4.41 | 42,845 |
| This Day in History - September | 0 | - | 4.55 | 56,618 |
| This Day in History - October | 0 | - | 4.48 | 37,216 |
| This Day in History - January | 0 | - | 4.53 | 46,015 |
| This Day in History - March | 0 | - | 4.45 | 43,083 |
| Ancient Civilizations | 0 | - | 4.63 | 36,497 |
| The Places They Went #1 | 0 | - | 4.75 | 33,144 |
| Famous Inventors | 0 | - | 4.43 | 43,150 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.11 | 994,993 |
| 7 Deadly Sins Quiz | 0 | - | 4.86 | 379,809 |
| Majority Muslim Countries | 0 | - | 4.98 | 353,642 |
| Former Flags | 0 | - | 4.98 | 103,004 |
| Historic Orient Express Routes Map | 0 | - | 4.99 | 51,202 |
| Political Figures by Last Name #2 | 0 | - | 3.88 | 16,057 |
| Prime Ministers of Israel | 0 | - | 4.02 | 17,356 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.43 | 26,036 |
| First Names of Painters | 0 | - | 4.40 | 58,432 |
| WWII Decoder | 0 | - | 4.41 | 51,824 |
| Name a Valid Answer - World War II | 0 | - | 4.52 | 53,012 |
| Cold War Decoder | 0 | - | 4.82 | 50,300 |
| Countries Invaded by the USSR | 0 | - | 4.30 | 91,809 |
| Name a Valid Year in History | 0 | - | 4.92 | 62,792 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.91 | 27,370 |
| European History for Dummies | 0 | - | 4.82 | 86,763 |
| Houses of British Monarchs | 0 | - | 4.52 | 63,972 |
| U.S. States by Governor Quiz | 0 | - | 4.42 | 17,641 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,153 |
| U.S. Government Agencies | 0 | - | 4.44 | 18,996 |
| Red State or Blue State Trait? | 0 | - | 4.45 | 53,117 |
| Countries with the Most Tanks | 0 | - | 4.88 | 86,908 |
| Coldest World Capitals | 0 | - | 4.96 | 131,607 |
| World Currency Quiz | 0 | - | 4.90 | 272,998 |
| Countries with the Most Billionaires | 0 | - | 4.92 | 324,395 |
| Countries with the Most Millionaires | 0 | - | 4.87 | 114,819 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 47,328 |
| Top Oil Reserve Countries | 0 | - | 4.92 | 71,615 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 126,252 |
| Countries with the Most Christians | 0 | - | 4.92 | 135,677 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 82,749 |
| Buddhist Countries | 0 | - | 4.96 | 138,851 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,067,084 |
| The 2nd Millennium BC | 0 | - | 4.54 | 14,818 |
| Body Parts in History and Culture | 0 | - | 4.42 | 34,413 |
| Musicians Who Died Young | 0 | - | 4.41 | 104,048 |
| History Analogies #1 | 0 | - | 4.52 | 88,305 |
| History Analogies #2 | 0 | - | 4.49 | 75,637 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 149,892 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 64,045 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 51,256 |
| History Analogies #3 | 0 | - | 4.62 | 79,082 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.70 | 56,865 |
| Which Came First? | 0 | - | 4.36 | 73,071 |
| Christopher Columbus Quiz | 0 | - | 4.20 | 8,102 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,358 |
| States of the German Confederation in 1848 | 0 | - | 4.86 | 29,917 |
| Random History by Country | 0 | - | 4.52 | 33,801 |
| Valid Answer - World History #1 | 0 | - | 4.70 | 60,106 |
| Animals in World History | 0 | - | 4.70 | 43,115 |
| People - Real or Fictional? | 0 | - | 4.56 | 56,847 |
| Places - Real or Fictional? | 0 | - | 4.58 | 48,321 |
| History True or False #3 | 0 | - | 4.43 | 53,780 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.64 | 22,824 |
| A to Z: Legendary Creatures | 0 | - | 4.29 | 51,221 |
| WWII First Names | 0 | - | 4.45 | 40,712 |
| WWII for Dummies | 0 | - | 4.78 | 100,149 |
| Cold War Trivia #1 | 0 | - | 4.41 | 55,971 |
| Events in History #3 | 0 | - | 4.38 | 70,293 |
| Events in History #1 | 0 | - | 4.34 | 154,844 |
| Events in Ancient History | 0 | - | 4.49 | 34,361 |
| Born Here on This Date #1 | 0 | - | 3.90 | 35,039 |
| People Who Died Young #1 | 0 | - | 4.24 | 63,084 |
| Titled People Quiz #2 | 0 | - | 4.38 | 26,317 |
| Deaths by Date and Cause #1 | 0 | - | 4.38 | 93,356 |
| Deaths by Date and Cause #2 | 0 | - | 4.15 | 66,312 |
| Job Titles Quiz #2 | 0 | - | 3.60 | 36,931 |
| Famous Ships Quiz | 0 | - | 4.24 | 28,922 |
| Short Historical Figures | 0 | - | 4.33 | 8,196 |
| Name the Alliance | 0 | - | 4.35 | 26,199 |
| Time Magazine Person of the Year | 0 | - | 4.55 | 71,335 |
| Coups | 0 | - | 4.40 | 27,298 |
| Famous Documents | 0 | - | 4.03 | 21,577 |
| Invasions | 0 | - | 4.63 | 94,771 |
| Legendary Deeds | 0 | - | 4.16 | 28,654 |
| Names for Warriors | 0 | - | 4.41 | 36,203 |
| Executions in History | 0 | - | 4.28 | 16,718 |
| This Day in History - April | 0 | - | 4.38 | 44,068 |
| This Day in History - May | 0 | - | 4.32 | 47,889 |
| This Day in History - June | 0 | - | 4.34 | 33,196 |
| This Day in History - November | 0 | - | 4.23 | 33,269 |
| This Day in History - December | 0 | - | 4.31 | 40,089 |
| This Day in History - February | 0 | - | 4.38 | 39,318 |
| The 19th Century | 0 | - | 4.52 | 66,812 |
| The 18th Century | 0 | - | 4.51 | 52,310 |
| The 16th Century | 0 | - | 4.74 | 58,079 |
| The 9th and 10th Century | 0 | - | 4.52 | 36,888 |
| The 21st Century | 0 | - | 4.49 | 102,553 |
| Battle to Country | 0 | - | 4.91 | 49,781 |
| The Life of King David | 0 | - | 4.37 | 13,871 |
| History by Picture - G | 0 | - | 4.41 | 40,506 |
| History Multiple Choice #1 | 0 | - | 4.46 | 80,046 |
| Years in History #2 - Multiple Choice | 0 | - | 4.42 | 40,587 |
| History Multiple Choice #2 | 0 | - | 4.43 | 48,992 |
| History Multiple Choice #3 | 0 | - | 4.45 | 47,776 |
| History Multiple Choice #5 | 0 | - | 4.51 | 31,633 |
| Three Real and One Fake - World History | 0 | - | 4.44 | 37,492 |
| British History A-Z | 0 | - | 4.42 | 42,561 |
| Dark Ages History | 0 | - | 4.42 | 32,382 |
| 30 Historical People You Probably Don't Know | 0 | - | 4.38 | 59,671 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 41,528 |
