| Cold War Decoder | 0 | - | 4.83 | 51,940 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,547 |
| "Second Best" History Edition | 0 | - | 4.93 | 61,852 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,427 |
| European History for Dummies | 0 | - | 4.82 | 89,330 |
| History Analogies #1 | 0 | - | 4.53 | 89,785 |
| History Analogies #2 | 0 | - | 4.49 | 77,006 |
| History Analogies #3 | 0 | - | 4.61 | 80,438 |
| Random History by Country | 0 | - | 4.53 | 34,665 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,551 |
| People - Real or Fictional? | 0 | - | 4.56 | 58,473 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,363 |
| Geography Decoder | 0 | - | 4.53 | 75,343 |
| Continental Geography Decoder | 0 | - | 4.46 | 52,391 |
| History General Knowledge #13 | 0 | - | 4.69 | 48,438 |
| Groups of Things - History #1 | 0 | - | 4.40 | 93,705 |
| Groups of Things - History #2 | 0 | - | 4.39 | 79,075 |
| History Analogies #4 | 0 | - | 4.26 | 72,594 |
| History Groups of Two | 0 | - | 4.34 | 40,540 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,594 |
| 4-Letter History Chain #1 | 0 | - | 4.41 | 84,731 |
| 5-Letter History Chain #3 | 0 | - | 4.47 | 66,111 |
| 6-Letter History Chain #2 | 0 | - | 4.53 | 57,259 |
| Empires by Maps | 0 | - | 4.98 | 118,563 |
| 5-Letter History Chain #1 | 0 | - | 4.54 | 101,822 |
| Valid Answer - World History #2 | 0 | - | 4.38 | 46,667 |
| Wolfcam's Random History General Knowledge | 0 | - | 4.43 | 20,991 |
| World History Quiz for Dummies | 0 | - | 4.50 | 97,210 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,242 |
| Historical Middle Names | 0 | - | 4.16 | 35,394 |
| People Who Were "The" Something | 0 | - | 4.25 | 155,131 |
| Quotes from Historical Figures #1 | 0 | - | 4.50 | 87,119 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,243 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 228,614 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,096 |
| History General Knowledge #1 | 0 | - | 4.55 | 127,348 |
| History General Knowledge #3 | 0 | - | 4.50 | 95,777 |
| History General Knowledge #6 | 0 | - | 4.49 | 88,509 |
| History General Knowledge #10 | 0 | - | 4.43 | 77,407 |
| History General Knowledge #11 | 0 | - | 4.45 | 72,119 |
| Christmas Decoder | 0 | - | 4.42 | 49,370 |
| Science Decoder | 0 | - | 4.52 | 28,653 |
| Influential Women in History | 0 | - | 4.42 | 35,032 |
| Cradles of Civilization | 0 | - | 4.46 | 39,099 |
| Materials From History #1 | 0 | - | 4.56 | 50,623 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,123 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,212 |
| Famous Explorers | 0 | - | 4.58 | 35,962 |
| Famous Empires by Description | 0 | - | 4.70 | 117,715 |
| Answers by Time Period | 0 | - | 4.63 | 55,276 |
| Metals of Antiquity | 0 | - | 4.94 | 92,926 |
| 5-Letter History Chain #2 | 0 | - | 4.25 | 68,772 |
| 6-Letter History Chain #1 | 0 | - | 4.28 | 69,800 |
| 4-Letter History Chain #2 | 0 | - | 4.35 | 58,041 |
| 4-Letter History Chain #3 | 0 | - | 4.38 | 60,047 |
| First Names of Explorers Quiz | 0 | - | 4.43 | 18,261 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,182 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,213 |
| Mythical Lands | 0 | - | 4.26 | 85,164 |
| Historical Middle Names - U.S. | 0 | - | 3.83 | 60,817 |
| Famous Mottos | 0 | - | 3.46 | 48,499 |
| Saint in the Answers | 0 | - | 4.10 | 44,165 |
| First Name + Initial Quiz | 0 | - | 4.03 | 52,732 |
| Historical Figures Known by a Single Name #1 | 0 | - | 4.31 | 84,519 |
| Quotes from Historical Figures #2 | 0 | - | 4.36 | 42,517 |
| Ben Franklin Quotes | 0 | - | 4.45 | 25,745 |
| Famous Speeches from History | 0 | - | 4.16 | 33,527 |
| History General Knowledge #5 | 0 | - | 4.39 | 106,037 |
| History General Knowledge #7 | 0 | - | 4.35 | 88,113 |
| History General Knowledge #8 | 0 | - | 4.32 | 83,586 |
| History General Knowledge #9 | 0 | - | 4.40 | 79,500 |
| History General Knowledge #12 | 0 | - | 4.32 | 66,856 |
| History General Knowledge #2 | 0 | - | 4.32 | 112,267 |
| History General Knowledge #4 | 0 | - | 4.33 | 110,145 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,671 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,167 |
| Best-Selling Video Game Consoles | 0 | - | 4.81 | 269,857 |
| Halloween Decoder | 0 | - | 4.21 | 45,526 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,531 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,428 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,460 |
| Popular Royal Names | 0 | - | 4.27 | 124,488 |
| Materials From History #2 | 0 | - | 4.59 | 30,920 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,822 |
| Assassinations in History | 0 | - | 4.21 | 65,965 |
| Famous Seconds | 0 | - | 4.22 | 46,397 |
| Ages and Eras | 0 | - | 4.38 | 67,466 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,402 |
| Titled People Quiz #1 | 0 | - | 4.10 | 45,617 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,040 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,825 |
| Female Historical Figures | 0 | - | 4.31 | 33,103 |
| Historical Blunders | 0 | - | 4.33 | 91,692 |
| Territorial Accessions | 0 | - | 4.38 | 34,641 |
| People Known as "The Great" | 0 | - | 4.46 | 24,526 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,588,730 |
| Years in History by Picture | 0 | - | 4.44 | 35,122 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,202 |
| First Names of Painters | 0 | - | 4.43 | 59,603 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,322 |
| Events in History #2 | 0 | - | 4.49 | 71,443 |
| Events in History #4 | 0 | - | 4.44 | 44,109 |
| Historical Misquotes | 0 | - | 4.39 | 26,623 |
| This Day in History - July | 0 | - | 4.49 | 36,372 |
| This Day in History - August | 0 | - | 4.42 | 43,255 |
| This Day in History - September | 0 | - | 4.55 | 57,265 |
| This Day in History - October | 0 | - | 4.49 | 37,554 |
| This Day in History - January | 0 | - | 4.53 | 46,576 |
| This Day in History - March | 0 | - | 4.45 | 43,546 |
| Ancient Civilizations | 0 | - | 4.63 | 37,767 |
| The Places They Went #1 | 0 | - | 4.74 | 33,447 |
| Famous Inventors | 0 | - | 4.43 | 43,461 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.95 | 40,699 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 54,874 |
| All Modern-Day Countries Ever Controlled by the British | 0 | - | 4.81 | 49,374 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,011,007 |
| Italian Name Translation | 0 | - | 4.81 | 45,081 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 109,965 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,088,256 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,222 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,162 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,266 |
| 7 Deadly Sins | 0 | - | 4.88 | 395,078 |
| Geography Quiz for Dummies | 0 | - | 4.87 | 107,835 |
| Disney Animated Characters | 0 | - | 4.88 | 599,191 |
| Conspiracy Theories – Mostly U.S. | 0 | - | 4.44 | 56,248 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 235,859 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,836 |
| Countries with Four Letters | 0 | - | 4.99 | 418,613 |
| 4-Letter Geography Chain #1 | 0 | - | 4.82 | 169,207 |
| Random Symbol to Element | 0 | - | 4.88 | 92,232 |
| Animal Decoder | 0 | - | 4.06 | 15,464 |
| Eight Most Popular Berries | 0 | - | 4.43 | 98,623 |
| Top 20 Fruits Sold in the U.S. | 0 | - | 4.44 | 67,018 |
| Name a Valid World City | 0 | - | 4.83 | 70,155 |
| Short Term Memory Test - Countries | 0 | - | 4.83 | 45,274 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,877 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,228 |
| Former Flags | 0 | - | 4.97 | 106,728 |
| Christopher Columbus Quiz | 0 | - | 4.21 | 8,263 |
| Historic Orient Express Routes Map | 0 | - | 5.00 | 52,971 |
| Born Here on This Date #1 | 0 | - | 3.92 | 35,290 |
| Titled People Quiz #2 | 0 | - | 4.38 | 26,648 |
| Job Titles Quiz #2 | 0 | - | 3.62 | 37,246 |
| Famous Ships Quiz | 0 | - | 4.25 | 29,166 |
| Famous Short People | 0 | - | 4.26 | 14,735 |
| Name the Alliance | 0 | - | 4.29 | 29,171 |
| Coups | 0 | - | 4.40 | 27,582 |
| Famous Documents | 0 | - | 4.05 | 21,763 |
| Legendary Deeds | 0 | - | 4.16 | 28,855 |
| Disasters in History | 0 | - | 4.40 | 25,607 |
| Executions in History | 0 | - | 4.29 | 16,921 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,486 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 28,283 |
| Fruits: No Vowels | 0 | - | 4.81 | 98,576 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 302,760 |
| Islands by Country #1 | 0 | - | 4.87 | 174,507 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,934 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,297 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,346 |
| Random Geographic Groups of Five | 0 | - | 4.93 | 113,661 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,353 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,465 |
| Country Chain | 0 | - | 4.96 | 215,763 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,865 |
| Random Countries Mouse Hunt! | 0 | - | 4.81 | 182,172 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 49,611 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,863 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,620 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,460 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,636 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,838 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,448 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,532 |
| Name a Valid Country #8 | 0 | - | 4.85 | 96,057 |
| Random Name a Valid Bordering Country | 0 | - | 4.99 | 74,248 |
| Name a Valid Country #10 | 0 | - | 4.93 | 41,463 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,244 |
| Random Geographic Groups of Seven | 0 | - | 4.91 | 45,229 |
| The 2nd Millennium BC | 0 | - | 4.64 | 20,704 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,114 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,144 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 64,962 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 51,931 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,157 |
| Which Came First? | 0 | - | 4.37 | 74,408 |
| Animals in World History | 0 | - | 4.74 | 44,222 |
| History True or False #3 | 0 | - | 4.43 | 55,936 |
| A to Z: Legendary Creatures | 0 | - | 4.26 | 52,757 |
| WWII Decoder | 0 | - | 4.41 | 53,052 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 54,765 |
| Cold War Trivia #1 | 0 | - | 4.41 | 56,964 |
| Events in History #3 | 0 | - | 4.40 | 71,460 |
| Events in History #1 | 0 | - | 4.34 | 157,292 |
| Events in Ancient History | 0 | - | 4.50 | 35,722 |
| People Who Died Young #1 | 0 | - | 4.24 | 63,541 |
| Deaths by Date and Cause #1 | 0 | - | 4.37 | 94,899 |
| Deaths by Date and Cause #2 | 0 | - | 4.15 | 67,490 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,569 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,921 |
