| Cold War Decoder | 0 | - | 4.83 | 51,944 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,554 |
| "Second Best" History Edition | 0 | - | 4.93 | 61,875 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,443 |
| European History for Dummies | 0 | - | 4.82 | 89,336 |
| History Analogies #1 | 0 | - | 4.53 | 89,789 |
| History Analogies #2 | 0 | - | 4.49 | 77,010 |
| History Analogies #3 | 0 | - | 4.61 | 80,444 |
| Random History by Country | 0 | - | 4.53 | 34,665 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,560 |
| People - Real or Fictional? | 0 | - | 4.56 | 58,477 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,367 |
| Geography Decoder | 0 | - | 4.53 | 75,348 |
| Continental Geography Decoder | 0 | - | 4.46 | 52,394 |
| History General Knowledge #13 | 0 | - | 4.69 | 48,450 |
| Groups of Things - History #1 | 0 | - | 4.40 | 93,713 |
| Groups of Things - History #2 | 0 | - | 4.39 | 79,082 |
| History Analogies #4 | 0 | - | 4.26 | 72,602 |
| History Groups of Two | 0 | - | 4.34 | 40,542 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,614 |
| 4-Letter History Chain #1 | 0 | - | 4.41 | 84,735 |
| 5-Letter History Chain #3 | 0 | - | 4.47 | 66,113 |
| 6-Letter History Chain #2 | 0 | - | 4.53 | 57,261 |
| Empires by Maps | 0 | - | 4.98 | 118,575 |
| 5-Letter History Chain #1 | 0 | - | 4.54 | 101,827 |
| Valid Answer - World History #2 | 0 | - | 4.38 | 46,676 |
| Wolfcam's Random History General Knowledge | 0 | - | 4.43 | 20,992 |
| World History Quiz for Dummies | 0 | - | 4.50 | 97,223 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,247 |
| Historical Middle Names | 0 | - | 4.16 | 35,395 |
| People Who Were "The" Something | 0 | - | 4.25 | 155,143 |
| Quotes from Historical Figures #1 | 0 | - | 4.50 | 87,123 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,245 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 228,628 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,101 |
| History General Knowledge #1 | 0 | - | 4.55 | 127,362 |
| History General Knowledge #3 | 0 | - | 4.50 | 95,785 |
| History General Knowledge #6 | 0 | - | 4.49 | 88,514 |
| History General Knowledge #10 | 0 | - | 4.43 | 77,413 |
| History General Knowledge #11 | 0 | - | 4.45 | 72,134 |
| Christmas Decoder | 0 | - | 4.42 | 49,371 |
| Science Decoder | 0 | - | 4.52 | 28,655 |
| Influential Women in History | 0 | - | 4.42 | 35,048 |
| Cradles of Civilization | 0 | - | 4.46 | 39,116 |
| Materials From History #1 | 0 | - | 4.56 | 50,637 |
| Historical Countries by Ruler | 0 | - | 4.48 | 48,138 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,230 |
| Famous Explorers | 0 | - | 4.58 | 35,967 |
| Famous Empires by Description | 0 | - | 4.70 | 117,816 |
| Answers by Time Period | 0 | - | 4.63 | 55,283 |
| Metals of Antiquity | 0 | - | 4.94 | 92,934 |
| 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 | 58,043 |
| 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 | 46,194 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,223 |
| Mythical Lands | 0 | - | 4.26 | 85,167 |
| Historical Middle Names - U.S. | 0 | - | 3.83 | 60,820 |
| Famous Mottos | 0 | - | 3.46 | 48,501 |
| Saint in the Answers | 0 | - | 4.10 | 44,165 |
| First Name + Initial Quiz | 0 | - | 4.03 | 52,733 |
| Historical Figures Known by a Single Name #1 | 0 | - | 4.31 | 84,525 |
| Quotes from Historical Figures #2 | 0 | - | 4.36 | 42,520 |
| Ben Franklin Quotes | 0 | - | 4.45 | 25,745 |
| Famous Speeches from History | 0 | - | 4.16 | 33,527 |
| History General Knowledge #5 | 0 | - | 4.39 | 106,044 |
| History General Knowledge #7 | 0 | - | 4.35 | 88,118 |
| History General Knowledge #8 | 0 | - | 4.32 | 83,590 |
| History General Knowledge #9 | 0 | - | 4.40 | 79,507 |
| History General Knowledge #12 | 0 | - | 4.32 | 66,865 |
| History General Knowledge #2 | 0 | - | 4.32 | 112,276 |
| History General Knowledge #4 | 0 | - | 4.33 | 110,151 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,675 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,171 |
| Best-Selling Video Game Consoles | 0 | - | 4.81 | 269,931 |
| Halloween Decoder | 0 | - | 4.21 | 45,527 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,538 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,468 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,466 |
| Popular Royal Names | 0 | - | 4.27 | 124,491 |
| Materials From History #2 | 0 | - | 4.59 | 30,923 |
| Infamous Criminals - Mostly U.S. | 0 | - | 4.21 | 48,823 |
| Assassinations in History | 0 | - | 4.21 | 65,970 |
| Famous Seconds | 0 | - | 4.22 | 46,400 |
| Ages and Eras | 0 | - | 4.38 | 67,472 |
| Celebrity Knights of the United Kingdom | 0 | - | 4.23 | 39,404 |
| Titled People Quiz #1 | 0 | - | 4.10 | 45,619 |
| Titled People Quiz #3 | 0 | - | 4.34 | 43,041 |
| Job Titles Quiz #1 | 0 | - | 4.22 | 75,828 |
| Female Historical Figures | 0 | - | 4.31 | 33,106 |
| Historical Blunders | 0 | - | 4.33 | 91,699 |
| Territorial Accessions | 0 | - | 4.38 | 34,643 |
| People Known as "The Great" | 0 | - | 4.46 | 24,530 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,589,013 |
| Years in History by Picture | 0 | - | 4.44 | 35,126 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,206 |
| First Names of Painters | 0 | - | 4.43 | 59,605 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,323 |
| Events in History #2 | 0 | - | 4.49 | 71,446 |
| Events in History #4 | 0 | - | 4.44 | 44,113 |
| Historical Misquotes | 0 | - | 4.39 | 26,624 |
| 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 | 57,267 |
| This Day in History - October | 0 | - | 4.49 | 37,554 |
| This Day in History - January | 0 | - | 4.53 | 46,577 |
| This Day in History - March | 0 | - | 4.45 | 43,547 |
| Ancient Civilizations | 0 | - | 4.63 | 37,768 |
| The Places They Went #1 | 0 | - | 4.74 | 33,448 |
| Famous Inventors | 0 | - | 4.43 | 43,462 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.95 | 40,703 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 54,881 |
| All Modern-Day Countries Ever Controlled by the British | 0 | - | 4.81 | 49,389 |
| 40 Historical People that Everyone Should Know | 0 | - | 4.09 | 1,011,038 |
| Italian Name Translation | 0 | - | 4.81 | 45,099 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 109,976 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,088,368 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,262 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,185 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,278 |
| 7 Deadly Sins | 0 | - | 4.88 | 395,152 |
| Geography Quiz for Dummies | 0 | - | 4.87 | 107,843 |
| Disney Animated Characters | 0 | - | 4.88 | 599,241 |
| Conspiracy Theories – Mostly U.S. | 0 | - | 4.44 | 56,255 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 235,877 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,869 |
| Countries with Four Letters | 0 | - | 4.99 | 418,642 |
| 4-Letter Geography Chain #1 | 0 | - | 4.82 | 169,224 |
| Random Symbol to Element | 0 | - | 4.88 | 92,243 |
| Animal Decoder | 0 | - | 4.06 | 15,464 |
| Eight Most Popular Berries | 0 | - | 4.43 | 98,641 |
| Top 20 Fruits Sold in the U.S. | 0 | - | 4.44 | 67,024 |
| Name a Valid World City | 0 | - | 4.83 | 70,168 |
| Short Term Memory Test - Countries | 0 | - | 4.83 | 45,278 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,894 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,249 |
| Former Flags | 0 | - | 4.97 | 106,739 |
| Christopher Columbus Quiz | 0 | - | 4.21 | 8,263 |
| Historic Orient Express Routes Map | 0 | - | 5.00 | 52,975 |
| 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 | 15,168 |
| Name the Alliance | 0 | - | 4.29 | 29,177 |
| Coups | 0 | - | 4.40 | 27,583 |
| Famous Documents | 0 | - | 4.05 | 21,764 |
| Legendary Deeds | 0 | - | 4.16 | 28,856 |
| Disasters in History | 0 | - | 4.40 | 25,607 |
| Executions in History | 0 | - | 4.29 | 16,922 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,493 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 28,286 |
| Fruits: No Vowels | 0 | - | 4.81 | 98,598 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 302,778 |
| Islands by Country #1 | 0 | - | 4.87 | 174,517 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,942 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,300 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,350 |
| Random Geographic Groups of Five | 0 | - | 4.93 | 113,673 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,368 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,476 |
| Country Chain | 0 | - | 4.96 | 215,783 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,897 |
| Random Countries Mouse Hunt! | 0 | - | 4.81 | 182,199 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 49,615 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,882 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,680 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,487 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,670 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,858 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,465 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,548 |
| Name a Valid Country #8 | 0 | - | 4.85 | 96,075 |
| Random Name a Valid Bordering Country | 0 | - | 4.99 | 74,263 |
| Name a Valid Country #10 | 0 | - | 4.93 | 41,467 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,246 |
| Random Geographic Groups of Seven | 0 | - | 4.91 | 45,238 |
| The 2nd Millennium BC | 0 | - | 4.64 | 20,705 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,118 |
| Current Events by Year, 1990–2009 | 0 | - | 4.77 | 152,152 |
| Current Events by Year, 1970–1989 | 0 | - | 4.56 | 64,965 |
| Current Events by Year, 1930–1949 | 0 | - | 4.48 | 51,933 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,162 |
| Which Came First? | 0 | - | 4.37 | 74,411 |
| Animals in World History | 0 | - | 4.74 | 44,227 |
| History True or False #3 | 0 | - | 4.43 | 55,940 |
| A to Z: Legendary Creatures | 0 | - | 4.26 | 52,762 |
| WWII Decoder | 0 | - | 4.41 | 53,054 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 54,772 |
| Cold War Trivia #1 | 0 | - | 4.41 | 56,967 |
| Events in History #3 | 0 | - | 4.40 | 71,463 |
| Events in History #1 | 0 | - | 4.34 | 157,296 |
| Events in Ancient History | 0 | - | 4.50 | 35,726 |
| People Who Died Young #1 | 0 | - | 4.24 | 63,542 |
| Deaths by Date and Cause #1 | 0 | - | 4.37 | 94,904 |
| Deaths by Date and Cause #2 | 0 | - | 4.15 | 67,492 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,575 |
| Countries That Were Invaded | 0 | - | 4.54 | 96,925 |
