| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,019 |
| Nicknames in World History | 0 | - | 4.73 | 37,369 |
| "Second Best" History Edition | 0 | - | 4.93 | 61,937 |
| Quotes from Historical Figures #1 | 0 | - | 4.50 | 87,139 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,784 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.75 | 38,136 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,674 |
| Empires by Maps | 0 | - | 4.98 | 118,646 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,272 |
| Historical Middle Names | 0 | - | 4.16 | 35,405 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,256 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 228,648 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,110 |
| First Names of Explorers Quiz | 0 | - | 4.43 | 18,263 |
| Mythical Lands | 0 | - | 4.26 | 85,176 |
| Saint in the Answers | 0 | - | 4.10 | 44,171 |
| First Name + Initial Quiz | 0 | - | 4.03 | 52,735 |
| Historical Figures Known by a Single Name #1 | 0 | - | 4.31 | 84,550 |
| Quotes from Historical Figures #2 | 0 | - | 4.36 | 42,531 |
| Ben Franklin Quotes | 0 | - | 4.45 | 25,746 |
| Famous Speeches from History | 0 | - | 4.16 | 33,529 |
| Word Scramble - National Capitals | 0 | - | 4.20 | 484,611 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,013 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,645 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,967 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,008 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,334 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,346 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,164 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,813 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,890 |
| Metals of Antiquity | 0 | - | 4.94 | 92,951 |
| Popular Royal Names | 0 | - | 4.27 | 124,511 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,214 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,251 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,571 |
| First Names of Painters | 0 | - | 4.43 | 59,611 |
| 1950s Decade Quiz | 0 | - | 4.41 | 48,934 |
| 1960s Decade Quiz #2 | 0 | - | 4.45 | 44,512 |
| Historical Middle Names - U.S. | 0 | - | 3.83 | 60,833 |
| Famous Mottos | 0 | - | 3.46 | 48,505 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,687 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,590,075 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,378 |
| Random Cities by Clue | 0 | - | 4.53 | 42,605 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,480 |
| Influential Women in History | 0 | - | 4.42 | 35,105 |
| Cradles of Civilization | 0 | - | 4.46 | 39,160 |
| Materials From History #1 | 0 | - | 4.56 | 50,812 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,180 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,265 |
| Famous Explorers | 0 | - | 4.58 | 35,980 |
| Famous Empires by Description | 0 | - | 4.73 | 117,963 |
| Answers by Time Period | 0 | - | 4.63 | 55,298 |
| Nicknames in U.S. History | 0 | - | 4.25 | 31,581 |
| Historical Misquotes | 0 | - | 4.39 | 26,625 |
| NBA Basketball by Year, 1970–1999 | 0 | - | 4.28 | 44,788 |
| NBA Basketball by Year, 2000–Present | 0 | - | 4.33 | 60,283 |
| 17th Century A-Z | 0 | - | 4.78 | 34,178 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.95 | 40,719 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 54,890 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,088,783 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,352 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,263 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,329 |
| 7 Deadly Sins | 0 | - | 4.88 | 395,371 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,420 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,986 |
| South American Geography Quiz #2 | 0 | - | 4.62 | 39,205 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,478 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,981 |
| Countries with Four Letters | 0 | - | 4.99 | 418,786 |
| Random Symbol to Element | 0 | - | 4.88 | 92,281 |
| Random Capital to Country | 0 | - | 4.99 | 2,578,945 |
| Random Country to Capital | 0 | - | 4.98 | 912,197 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,567 |
| Name a Valid World City | 0 | - | 4.83 | 70,208 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,960 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,294 |
| Former Flags | 0 | - | 4.97 | 106,780 |
| Years in History by Picture | 0 | - | 4.44 | 35,135 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,220 |
| Materials From History #2 | 0 | - | 4.59 | 31,045 |
| WWII First Names | 0 | - | 4.44 | 41,577 |
| 1960s Decade Quiz #1 | 0 | - | 4.40 | 49,735 |
| Cold War Decoder | 0 | - | 4.83 | 51,963 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,327 |
| Events in History #2 | 0 | - | 4.49 | 71,452 |
| Events in History #4 | 0 | - | 4.44 | 44,123 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,468 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,835 |
| Assassinations in History | 0 | - | 4.21 | 65,984 |
| Famous Seconds | 0 | - | 4.22 | 46,402 |
| Ages and Eras | 0 | - | 4.38 | 67,481 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,412 |
| Titled People Quiz #1 | 0 | - | 4.10 | 45,632 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,050 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,837 |
| Female Historical Figures | 0 | - | 4.27 | 33,116 |
| Historical Blunders | 0 | - | 4.33 | 91,715 |
| Territorial Accessions | 0 | - | 4.38 | 34,650 |
| People Known as "The Great" | 0 | - | 4.46 | 24,537 |
| This Day in History - July | 0 | - | 4.49 | 36,374 |
| This Day in History - August | 0 | - | 4.42 | 43,259 |
| This Day in History - September | 0 | - | 4.55 | 57,275 |
| This Day in History - October | 0 | - | 4.49 | 37,555 |
| This Day in History - January | 0 | - | 4.53 | 46,582 |
| This Day in History - March | 0 | - | 4.45 | 43,548 |
| Ancient Civilizations | 0 | - | 4.63 | 37,775 |
| The Places They Went #1 | 0 | - | 4.74 | 33,450 |
| Famous Inventors | 0 | - | 4.43 | 43,464 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,506 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 28,298 |
| European History for Dummies | 0 | - | 4.83 | 89,362 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,011,145 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 712,119 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,091,242 |
| Islands by Country #1 | 0 | - | 4.87 | 174,548 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,967 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,319 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,364 |
| Crayola Crayon Colors 64 Pack | 0 | - | 4.99 | 62,083 |
| Countries by Emojis | 0 | - | 4.99 | 236,578 |
| Countries with Shortest Maximum Distances to the Ocean | 0 | - | 4.13 | 30,874 |
| MLS Soccer Teams | 0 | - | 4.23 | 84,032 |
| UK General Knowledge Multiple Choice #3 | 0 | - | 4.53 | 18,040 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,414 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,536 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,165 |
| Country Chain | 0 | - | 4.96 | 215,831 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,984 |
| Capital Cities Chain | 0 | - | 4.84 | 81,966 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,038 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,252 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,968 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,863 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,578 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,761 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,942 |
| Name a Valid Country #6 | 0 | - | 4.95 | 126,522 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,601 |
| Name a Valid Country #8 | 0 | - | 4.85 | 96,138 |
| Random Name a Valid Bordering Country | 0 | - | 4.99 | 74,313 |
| Name a Valid Country #10 | 0 | - | 4.93 | 41,523 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,250 |
| The 2nd Millennium BC | 0 | - | 4.64 | 20,707 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,133 |
| History Analogies #1 | 0 | - | 4.53 | 89,792 |
| History Analogies #2 | 0 | - | 4.49 | 77,014 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,170 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 64,974 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 51,939 |
| History Analogies #3 | 0 | - | 4.61 | 80,449 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,180 |
| Which Came First? | 0 | - | 4.37 | 74,425 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,565 |
| Random History by Country | 0 | - | 4.53 | 34,674 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,578 |
| Animals in World History | 0 | - | 4.74 | 44,237 |
| People - Real or Fictional? | 0 | - | 4.56 | 58,496 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,380 |
| History True or False #3 | 0 | - | 4.43 | 55,953 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.18 | 47,792 |
| A to Z: Legendary Creatures | 0 | - | 4.26 | 52,778 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,128 |
| Territory Changes in World War I | 0 | - | 4.86 | 46,255 |
| Cold War Trivia #1 | 0 | - | 4.41 | 56,985 |
| Events in History #3 | 0 | - | 4.40 | 71,469 |
| Events in History #1 | 0 | - | 4.34 | 157,306 |
| Events in Ancient History | 0 | - | 4.50 | 35,740 |
| People Who Died Young #1 | 0 | - | 4.24 | 63,547 |
| Deaths by Date and Cause #1 | 0 | - | 4.37 | 94,917 |
| Deaths by Date and Cause #2 | 0 | - | 4.15 | 67,505 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,590 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,948 |
| Political Quotes | 0 | - | 4.17 | 19,811 |
| This Day in History - April | 0 | - | 4.40 | 44,395 |
| This Day in History - May | 0 | - | 4.33 | 48,259 |
| This Day in History - June | 0 | - | 4.36 | 33,436 |
| This Day in History - November | 0 | - | 4.24 | 33,535 |
| This Day in History - December | 0 | - | 4.32 | 40,454 |
| This Day in History - February | 0 | - | 4.38 | 39,705 |
| The 19th Century | 0 | - | 4.53 | 67,891 |
| The 18th Century | 0 | - | 4.52 | 53,129 |
| The 16th Century | 0 | - | 4.77 | 58,744 |
| The 9th and 10th Century | 0 | - | 4.54 | 37,544 |
| The 21st Century | 0 | - | 4.48 | 105,335 |
| Military History Vocabulary | 0 | - | 4.91 | 66,686 |
| History Multiple Choice #1 | 0 | - | 4.46 | 81,545 |
| Years in History #2 - Multiple Choice | 0 | - | 4.43 | 41,426 |
| History Multiple Choice #2 | 0 | - | 4.43 | 49,821 |
| History Multiple Choice #3 | 0 | - | 4.45 | 48,556 |
| History Multiple Choice #5 | 0 | - | 4.49 | 32,272 |
| Three Real and One Fake - World History | 0 | - | 4.44 | 38,202 |
| Dark Ages History | 0 | - | 4.42 | 32,681 |
| 30 Historical People You Probably Don't Know | 0 | - | 4.36 | 60,833 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,651 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,131 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,492 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,260 |
