| Countries With One Word And Two O's | 0 | - | 4.94 | 55,048 |
| Ultimate "Land" Geography Quiz | 0 | - | 4.52 | 38,883 |
| Countries With One Word and Two U's | 0 | - | 4.47 | 50,371 |
| Ultimate "Burg" Geography Quiz | 0 | - | 4.62 | 18,732 |
| "Second Best" History Edition | 0 | - | 4.94 | 61,660 |
| Heart in the Answers | 0 | - | 4.02 | 43,065 |
| Mother in the Answers | 0 | - | 4.05 | 34,674 |
| Nicknames in World History | 0 | - | 4.73 | 37,310 |
| Quotes from Historical Figures #1 | 0 | - | 4.50 | 87,094 |
| Bear in the Answers | 0 | - | 4.29 | 61,582 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,813 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,371 |
| Empires by Maps | 0 | - | 4.98 | 118,251 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,165 |
| Historical Middle Names | 0 | - | 4.16 | 35,353 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,210 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 228,536 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,051 |
| Parties (Mostly Political) | 0 | - | 4.14 | 20,296 |
| First Names of Explorers Quiz | 0 | - | 4.43 | 18,243 |
| Mythical Lands | 0 | - | 4.26 | 85,143 |
| First Name + Initial Quiz | 0 | - | 4.03 | 52,716 |
| Historical Figures Known by a Single Name #1 | 0 | - | 4.31 | 84,446 |
| Quotes from Historical Figures #2 | 0 | - | 4.36 | 42,499 |
| Ben Franklin Quotes | 0 | - | 4.45 | 25,743 |
| Famous Speeches from History | 0 | - | 4.16 | 33,516 |
| Answers are Elements #1 | 0 | - | 4.30 | 52,687 |
| Influential Women in History | 0 | - | 4.42 | 34,912 |
| Metals of Antiquity | 0 | - | 4.94 | 92,838 |
| Cradles of Civilization | 0 | - | 4.46 | 38,973 |
| Materials From History #1 | 0 | - | 4.56 | 50,532 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,109 |
| Historical Countries by Ruler | 0 | - | 4.48 | 47,999 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,097 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,077 |
| Historical Middle Names - U.S. | 0 | - | 3.83 | 60,769 |
| Famous Mottos | 0 | - | 3.46 | 48,490 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,085 |
| Famous Explorers | 0 | - | 4.58 | 35,921 |
| Famous Empires by Description | 0 | - | 4.70 | 117,481 |
| Answers by Time Period | 0 | - | 4.63 | 55,235 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,621 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,407 |
| Popular Royal Names | 0 | - | 4.27 | 124,444 |
| First Names of Painters | 0 | - | 4.43 | 59,582 |
| Nicknames in U.S. History | 0 | - | 4.25 | 31,572 |
| Historical Misquotes | 0 | - | 4.39 | 26,619 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,584,912 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 162,933 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 115,935 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,126 |
| Random Symbol to Element | 0 | - | 4.88 | 92,143 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,496 |
| Name a Valid World City | 0 | - | 4.83 | 70,033 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,692 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,079 |
| Years in History by Picture | 0 | - | 4.44 | 35,064 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,158 |
| Materials From History #2 | 0 | - | 4.59 | 30,896 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,302 |
| Events in History #2 | 0 | - | 4.49 | 71,392 |
| Events in History #4 | 0 | - | 4.44 | 44,079 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,790 |
| Assassinations in History | 0 | - | 4.20 | 65,927 |
| Famous Seconds | 0 | - | 4.22 | 46,370 |
| Ages and Eras Quiz | 0 | - | 4.38 | 67,423 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,378 |
| Titled People Quiz #1 | 0 | - | 4.10 | 45,591 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,013 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,808 |
| Female Historical Figures | 0 | - | 4.31 | 33,080 |
| Historical Blunders | 0 | - | 4.33 | 91,639 |
| Territorial Accessions | 0 | - | 4.38 | 34,614 |
| People Known as "The Great" | 0 | - | 4.46 | 24,495 |
| This Day in History - July | 0 | - | 4.49 | 36,361 |
| This Day in History - August | 0 | - | 4.42 | 43,234 |
| This Day in History - September | 0 | - | 4.55 | 57,242 |
| This Day in History - October | 0 | - | 4.49 | 37,545 |
| This Day in History - January | 0 | - | 4.53 | 46,557 |
| This Day in History - March | 0 | - | 4.45 | 43,529 |
| Ancient Civilizations | 0 | - | 4.63 | 37,731 |
| The Places They Went #1 | 0 | - | 4.74 | 33,437 |
| Famous Inventors | 0 | - | 4.43 | 43,443 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,010,183 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,086,829 |
| 7 Deadly Sins | 0 | - | 4.88 | 394,459 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,552 |
| Countries with Four Letters | 0 | - | 4.99 | 418,218 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,889 |
| Random Country to Capital | 0 | - | 4.98 | 910,852 |
| Former Flags | 0 | - | 4.97 | 106,564 |
| Cold War Decoder | 0 | - | 4.83 | 51,896 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,300 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,430 |
| European History for Dummies | 0 | - | 4.82 | 89,252 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 710,861 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,090,084 |
| Islands by Country #1 | 0 | - | 4.87 | 174,421 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,865 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,232 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,301 |
| Crayola Crayon Colors 64 Pack | 0 | - | 4.99 | 61,993 |
| Countries by Emojis | 0 | - | 4.99 | 235,934 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,206 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,327 |
| Country Chain | 0 | - | 4.96 | 215,612 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,586 |
| Capital Cities Chain | 0 | - | 4.84 | 81,848 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,912 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,702 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,641 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,058 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,182 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,340 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,633 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,250 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,342 |
| Name a Valid Country #8 | 0 | - | 4.85 | 95,860 |
| Random Name a Valid Bordering Country | 0 | - | 4.99 | 74,133 |
| Name a Valid Country #10 | 0 | - | 4.93 | 41,322 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,228 |
| The 2nd Millennium BC | 0 | - | 4.64 | 20,682 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.75 | 38,132 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,009 |
| History Analogies #1 | 0 | - | 4.53 | 89,755 |
| History Analogies #2 | 0 | - | 4.49 | 76,974 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,078 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 64,933 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 51,914 |
| History Analogies #3 | 0 | - | 4.61 | 80,410 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,108 |
| Which Came First? | 0 | - | 4.37 | 74,372 |
| Christopher Columbus Quiz | 0 | - | 4.21 | 8,249 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,493 |
| Random History by Country | 0 | - | 4.53 | 34,638 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,512 |
| Animals in World History | 0 | - | 4.74 | 44,199 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,336 |
| History True or False #3 | 0 | - | 4.43 | 55,883 |
| A to Z: Legendary Creatures | 0 | - | 4.26 | 52,713 |
| WWII First Names | 0 | - | 4.44 | 41,540 |
| Cold War Trivia #1 | 0 | - | 4.41 | 56,910 |
| Events in History #3 | 0 | - | 4.40 | 71,420 |
| Events in History #1 | 0 | - | 4.34 | 157,211 |
| Events in Ancient History | 0 | - | 4.50 | 35,679 |
| Born Here on This Date #1 | 0 | - | 3.92 | 35,273 |
| People Who Died Young #1 | 0 | - | 4.24 | 63,519 |
| Titled People Quiz #2 | 0 | - | 4.38 | 26,634 |
| Deaths by Date and Cause #1 | 0 | - | 4.37 | 94,862 |
| Deaths by Date and Cause #2 | 0 | - | 4.15 | 67,452 |
| Job Titles Quiz #2 | 0 | - | 3.62 | 37,220 |
| Famous Ships Quiz | 0 | - | 4.25 | 29,145 |
| Short Historical Figures | 0 | - | 4.29 | 8,335 |
| Name the Alliance | 0 | - | 4.29 | 29,108 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,500 |
| Coups | 0 | - | 4.40 | 27,571 |
| Famous Documents | 0 | - | 4.05 | 21,758 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,877 |
| Legendary Deeds | 0 | - | 4.16 | 28,849 |
| Disasters in History | 0 | - | 4.40 | 25,598 |
| Executions in History | 0 | - | 4.29 | 16,913 |
| Political Quotes | 0 | - | 4.17 | 19,799 |
| This Day in History - April | 0 | - | 4.40 | 44,382 |
| This Day in History - May | 0 | - | 4.33 | 48,238 |
| This Day in History - June | 0 | - | 4.36 | 33,425 |
| This Day in History - November | 0 | - | 4.24 | 33,527 |
| This Day in History - December | 0 | - | 4.32 | 40,442 |
| This Day in History - February | 0 | - | 4.38 | 39,692 |
| The 19th Century | 0 | - | 4.53 | 67,861 |
| The 18th Century | 0 | - | 4.52 | 53,105 |
| The 16th Century | 0 | - | 4.77 | 58,722 |
| The 9th and 10th Century | 0 | - | 4.54 | 37,526 |
| The 21st Century | 0 | - | 4.48 | 105,244 |
| Military History Vocabulary | 0 | - | 4.91 | 66,605 |
| History Multiple Choice #1 | 0 | - | 4.46 | 81,485 |
| Years in History #2 - Multiple Choice | 0 | - | 4.43 | 41,389 |
| History Multiple Choice #2 | 0 | - | 4.43 | 49,781 |
| History Multiple Choice #3 | 0 | - | 4.45 | 48,520 |
| History Multiple Choice #5 | 0 | - | 4.49 | 32,252 |
| Three Real and One Fake - World History | 0 | - | 4.44 | 38,173 |
| Dark Ages History | 0 | - | 4.42 | 32,671 |
| 30 Historical People You Probably Don't Know | 0 | - | 4.36 | 60,761 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,305 |
| Dog in the Answers | 0 | - | 4.16 | 68,329 |
| Sea in the Answers | 0 | - | 4.10 | 48,516 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,062 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,446 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,568 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,584 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,231 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,555 |
| The Eleven Colors | 0 | - | 4.73 | 233,205 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 332,208 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,983 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,347 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,397 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,027 |
| The Only Country ... | 0 | - | 4.91 | 79,763 |
| World Capitals in the Answer | 0 | - | 4.94 | 76,237 |
| The Sun Quiz | 0 | - | 4.93 | 34,055 |
